CN105942431A - Sea salt and folium isatidis extract containing plant salt and method for preparing plant salt by using heavy metal ion removal process through nanofiber membrane - Google Patents
Sea salt and folium isatidis extract containing plant salt and method for preparing plant salt by using heavy metal ion removal process through nanofiber membrane Download PDFInfo
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- CN105942431A CN105942431A CN201610282891.3A CN201610282891A CN105942431A CN 105942431 A CN105942431 A CN 105942431A CN 201610282891 A CN201610282891 A CN 201610282891A CN 105942431 A CN105942431 A CN 105942431A
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- 235000002639 sodium chloride Nutrition 0.000 title claims abstract description 180
- 150000003839 salts Chemical class 0.000 title claims abstract description 127
- 239000012528 membrane Substances 0.000 title claims abstract description 71
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title claims abstract description 68
- 239000011780 sodium chloride Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 50
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 title claims abstract description 23
- 239000002121 nanofiber Substances 0.000 title claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 66
- 238000009987 spinning Methods 0.000 claims abstract description 29
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000021314 Palmitic acid Nutrition 0.000 claims abstract description 7
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims abstract description 7
- AHWQTWBZNABQTO-UHFFFAOYSA-N 3,5-dihydroxy-2-(hydroxymethyl)-6-(1h-indol-3-yloxy)oxan-4-one Chemical compound OC1C(=O)C(O)C(CO)OC1OC1=CNC2=CC=CC=C12 AHWQTWBZNABQTO-UHFFFAOYSA-N 0.000 claims abstract description 6
- KGXOHVOUKNLUNP-ZJQBRPOHSA-N Isatan B Natural products O=C(Oc1c2c([nH]c1)cccc2)[C@@H]1[C@H](O)[C@H](O)[C@@](O)(CO)O1 KGXOHVOUKNLUNP-ZJQBRPOHSA-N 0.000 claims abstract description 6
- KZJWDPNRJALLNS-VJSFXXLFSA-N sitosterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CC[C@@H](CC)C(C)C)[C@@]1(C)CC2 KZJWDPNRJALLNS-VJSFXXLFSA-N 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 54
- 238000002360 preparation method Methods 0.000 claims description 30
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 29
- 229910021529 ammonia Inorganic materials 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 24
- -1 molybdenum ion Chemical class 0.000 claims description 21
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 claims description 10
- 229910001429 cobalt ion Inorganic materials 0.000 claims description 10
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000012670 alkaline solution Substances 0.000 claims description 5
- 238000010348 incorporation Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 19
- 239000012267 brine Substances 0.000 abstract description 10
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 10
- 230000029663 wound healing Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 229940076810 beta sitosterol Drugs 0.000 abstract description 2
- LGJMUZUPVCAVPU-UHFFFAOYSA-N beta-Sitostanol Natural products C1CC2CC(O)CCC2(C)C2C1C1CCC(C(C)CCC(CC)C(C)C)C1(C)CC2 LGJMUZUPVCAVPU-UHFFFAOYSA-N 0.000 abstract description 2
- NJKOMDUNNDKEAI-UHFFFAOYSA-N beta-sitosterol Natural products CCC(CCC(C)C1CCC2(C)C3CC=C4CC(O)CCC4C3CCC12C)C(C)C NJKOMDUNNDKEAI-UHFFFAOYSA-N 0.000 abstract description 2
- 229950005143 sitosterol Drugs 0.000 abstract description 2
- 229920002239 polyacrylonitrile Polymers 0.000 abstract 2
- 241000196324 Embryophyta Species 0.000 description 44
- 238000012360 testing method Methods 0.000 description 24
- 241001131796 Botaurus stellaris Species 0.000 description 18
- 239000007921 spray Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000013535 sea water Substances 0.000 description 13
- 239000004744 fabric Substances 0.000 description 12
- 239000000706 filtrate Substances 0.000 description 12
- 238000003860 storage Methods 0.000 description 12
- 241000283973 Oryctolagus cuniculus Species 0.000 description 11
- 239000003638 chemical reducing agent Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000002070 nanowire Substances 0.000 description 11
- 238000001728 nano-filtration Methods 0.000 description 10
- 241000282898 Sus scrofa Species 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 238000000605 extraction Methods 0.000 description 9
- 238000001471 micro-filtration Methods 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 9
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 9
- 238000002604 ultrasonography Methods 0.000 description 9
- 241000699670 Mus sp. Species 0.000 description 8
- 108090000790 Enzymes Proteins 0.000 description 7
- 102000004190 Enzymes Human genes 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 229940088598 enzyme Drugs 0.000 description 7
- 235000013305 food Nutrition 0.000 description 7
- 239000004365 Protease Substances 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 206010052428 Wound Diseases 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 230000004913 activation Effects 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical compound COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 description 6
- 229960004419 dimethyl fumarate Drugs 0.000 description 6
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 239000000276 potassium ferrocyanide Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 6
- 229910052925 anhydrite Inorganic materials 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 108010004032 Bromelains Proteins 0.000 description 3
- JRSHMRFEWSBYLO-UHFFFAOYSA-N C[C-]1NC=CC1=O Chemical compound C[C-]1NC=CC1=O JRSHMRFEWSBYLO-UHFFFAOYSA-N 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- 108090000526 Papain Proteins 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 235000019835 bromelain Nutrition 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010041 electrostatic spinning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229940055729 papain Drugs 0.000 description 3
- 235000019834 papain Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 241000699666 Mus <mouse, genus> Species 0.000 description 2
- 108090000787 Subtilisin Proteins 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- 244000063299 Bacillus subtilis Species 0.000 description 1
- 235000014469 Bacillus subtilis Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 241001248531 Euchloe <genus> Species 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- JXDYKVIHCLTXOP-UHFFFAOYSA-N Pseudoisatin Natural products C1=CC=C2C(=O)C(=O)NC2=C1 JXDYKVIHCLTXOP-UHFFFAOYSA-N 0.000 description 1
- 241000201920 Salicornia bigelovii Species 0.000 description 1
- UKTDQTGMXUHPIF-UHFFFAOYSA-N [Na].S(O)(O)=O Chemical compound [Na].S(O)(O)=O UKTDQTGMXUHPIF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 210000002318 cardia Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000589 cicatrix Anatomy 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000556 factor analysis Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007407 health benefit Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention provides sea salt and folium isatidis extract containing plant salt. In the plant salt, the content of NaCl is 75%-85%, the content of isatan B is 0.5%-1.5%, the content of beta-sitosterol is 0.1%-0.5% and the content of palmitic acid is 0.6%-0.8%. The invention also provides a method for preparing the plant salt by using a heavy metal ion removal process through a nanofiber membrane. The method comprises the step of preparing refined brine; the step of preparing the refined brine includes the sub-step of removing heavy metal ions with the nanofiber membrane; the sub-step of removing heavy metal ions with the nanofiber membrane includes the step of preparing a PAN (Polyacrylonitrile) spinning solution, wherein the nanofiber membrane has 3-5 layers and the filtration pressure is controlled at 0.1-0.5 MPa. The sea salt and folium isatidis extract containing plant salt prepared by the invention does not cake after being placed for three years and has the obvious effect on promotion of wound healing.
Description
Technical field
The present invention relates to the evaluation and exploration technology of plant salt in plant, specifically one carries containing sea salt and Folium Isatidis
The plant salt taking thing and the method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt.
Background technology
The mankind rely on sea water to evaporate brine and the method such as well salt, rock salt mining manufactures Sal for a long time, meet self-demand.But
The salt that the mankind are eaten for a long time is substantially inorganic matter, can only meet the human body self demand to inorganic salt, it is difficult to adapt to due to
Living standard promotes the mankind the caused demand to several functions food, and Sal is essentially sodium chloride the most in the market,
Too high Na+ takes in the blood pressure to human body, blood fat etc. all significantly negative effect.This problem be there has been relatively by people at present
Deep understanding, produces the products such as Cardia Salt, but these products is still in the production of inorganic stage, it is impossible to meet the mankind further
Absorption to aminoacid, protein and multivitamin and trace element requires and to fat-reducing, blood fat reducing, anti-ageing hope of waiting for a long time
Demand.
Based on case above, current India takes the lead in utilizing Salicornia Bigelovii Torr. to produce plant salt in the world, it was reported that this plantation
Thing salt, rich in trace element such as potassium, calcium, magnesium, ferrum, without adding any chemical substance in the course of processing, therefore can be rated as " natural battalion
Support salt ".The sample of this edible salt has been sent to more overseas companies and has carried out business potential assessment, and the preliminary feedback obtained makes us bulging
Dance.
But in the prior art, produce during plant salt, be primarily present following deficiency:
1, in the Sal produced, NaCl content is high, and long-term a large amount of edible serious harm people's is healthy;
2, utilizing the Sal that coastal making from brine is standby in prior art, content of beary metal is higher;
3, in the test produced, Folium Isatidis composition is not contained;
4, in prior art, the edible salt of preparation, do not contain specific Chinese medicinal ingredients, do not have functional;
5, edible salt prepared by prior art, easily lumps.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, it is provided that one is extracted containing sea salt and Folium Isatidis
The method that the plant salt of thing and employing nano fibrous membrane removing heavy metals ion processes prepare plant salt, to reach following invention mesh
:
1, in the plant salt containing sea salt and Folium Isatidis extract prepared by the present invention, NaCl content is low, possibly together with more multi-functional one-tenth
Part, body health benefits can be eaten for a long time;
2, the plant salt content of beary metal containing sea salt and Folium Isatidis extract that prepared by the present invention is relatively low;
3, the plant salt containing sea salt and Folium Isatidis extract prepared by the present invention contains Folium Isatidis composition;
4, the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, prevented from caking;
5, the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, there is the effect promoting wound healing.
To achieve the above object of the invention, the technical solution used in the present invention is as follows:
It is a kind of containing sea salt with the plant salt of Folium Isatidis extract, it is characterised in that: containing sea salt in described plant salt, described plant salt
It it is light brown.
NaCl content: 72-80% in described plant salt, moisture: 1-3%, MgCl2Content: 0.01-0.05%, CaSO4
Content: 0.05-0.1%, isatan B content: 0.5-1.5%, cupreol content: 0.1-0.5%, palmitic acid content: 0.6-
0.8%, molybdenum ion content≤0.03mg/kg, silver ion content≤0.04mg/kg, cobalt ion content≤0.05mg/kg.
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt, it is characterised in that: include essence
Causing salt preparation process, described exquisite salt preparation process includes nano fibrous membrane removing heavy metals step, described nano fibrous membrane
Removing heavy metals step includes PAN spinning liquid preparation process, and the number of plies of described nano fibrous membrane is 3-5 layer, and filter pressure controls
0.1-0.5MPa。
Described PAN spinning liquid preparation process, spinning liquid preparation need to add ammonia.
The concentration of the ammonia of described addition is 15-25%.
After adding ammonia, incorporation time is: 2-4h, and temperature controls: 10-15 DEG C.
Described nano fibrous membrane removing heavy metals step also includes spinning process, and spinning nozzle is flat type hole, and spinneret orifice is transversal
Face length-width ratio is 4:1.
Described nano fibrous membrane removing heavy metals step also includes amidoxim step;Described amidoxim step is by PAN
Nano fibrous membrane is immersed in the alkaline solution containing oxammonium hydrochloride. process.
The pH value of described hydroxylamine hydrochloride solution is 8-11.
Use ammonia regulation hydroxylamine hydrochloride solution pH value.
The reaction temperature of described amidoxim is 110-145 DEG C.
Owing to have employed technique scheme, what the present invention reached has the beneficial effect that:
1, the Herba suadeae glaucae salt sodium chloride content containing sea salt that prepared by the present invention is relatively low, and NaCl content is 72-80%;
2, use the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, its heavy metal ion content is low, molybdenum ion
Content≤0.03mg/kg, silver ion content≤0.04mg/kg, cobalt ion content≤0.05mg/kg;
3, in the plant salt containing sea salt and Folium Isatidis extract prepared by the present invention, isatan B content: 0.5-1.5%, β-paddy steroid
Alcohol content: 0.1-0.5%, palmitic acid content: 0.6-0.8%;
4, the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, place to reach 3 years and do not lump;
5, plant salt prepared by the present invention, have an effect being obviously promoted wound healing, respectively to white mouse, white rabbit, Mini-musk swine
In test, in wound depth 5mm, three days wound healing rate >=75%.
Detailed description of the invention
Embodiment 1: containing sea salt and the preparation of the plant salt of Folium Isatidis extract
Step 1, exquisite making from brine are standby
(1) brine collection
Potassium ferrocyanide is added pH value be 7 refined after saturated bittern in, the potassium ferrocyanide being prepared as 0.2 mg/L is molten
Liquid, adds sodium carbonate and calcium chloride, stirs, stands, precipitates, remove in salt most Ca2+, Mg2+, Fe2+ etc. from
Son, obtains the purest salt.In salt, molybdenum ion content is at 10mg/L, silver ion content 10mg/L, cobalt ion after testing
Content 15mg/L.
(2) filter
Mechanical filter: the salt gathered is removed bulky grain solid impurity therein and mechanicalness impurity through mechanical filter;The
One layer is that activated alumina is as filtrate, the specification of filter material of described first time filtrate as filtrate, second layer selection quartz sand
2mm, specification 4mm of second layer filtrate, filter type is for filter up and down, and after double medium filtration, the turbidity of salt is less than 5NTU.
Filter-cloth filtering: again by microfiltration cloth filter plate water outlet after mechanical filter, microfiltration cloth filter plate surface covers microfiltration cloth, its material
Matter is filter felt or filter cotton, filtering accuracy 25 μm;It filters filtering velocity and controls at 6m/h, and filter pressure is 0.6MPa.
Nanofiltration: the salt after filtering carries out nanofiltration process, and nanofiltration temperature to control at 25 DEG C, adds reducing agent Jiao's sulfurous
Acid sodium.The addition of reducing agent is the 20-35% of NF membrane quality.Reducing agent is configured to the solution of 3%, and NF membrane precision controlling exists
7 μm, the material of NF membrane is aromatic polyamides composite.
(3) nano fibrous membrane removing heavy metals
After filtering, clean salt, is filtered by sea water bittern nano fibrous membrane, removes heavy metal ion.Nano fibrous membrane
The number of plies be 3 layers, filter pressure control 0.2MPa.The manufacture method of described nano fibrous membrane is:
Prepared by PAN spinning liquid: dimethyl fumarate and 2-methyl-2 pyrrolidone solution are mixed, dissolved by PAN, solution temperature
50 DEG C, adding ammonia after cooling, the concentration of ammonia is 15%, and the addition of ammonia and 2-methyl-2 ketopyrrolidine volume ratio are 2:
1, mix 2h, temperature controls 11 DEG C, is made into spinning solution;Dimethyl fumarate concentration is 20wt.%, 2-methyl-2 ketopyrrolidine
Concentration is 23wt.%.
Spinning: by electrostatic spinning process, PAN nano wire is deposited on polyethylene terephthalate non-woven fabrics, obtain
It is able to the nano fibrous membrane that polyethylene terephthalate non-woven fabrics is substrate;Spinning voltage is 15kV, relative humidity 35%-
50%;Spinning nozzle is flat type hole, and spinneret orifice cross-sectional aspect ratio is 4:1;The thickness of non-woven fabrics is 1000 μm;PAN nano wire
Thickness be 300 μm, PAN nano wire mass content in nano fibrous membrane is 10%.
Amidoxim: PAN nanofiber membrane be immersed in the alkaline solution containing oxammonium hydrochloride., controls oxammonium hydrochloride. molten
Liquid pH is 8, carries out the amidoxim of nano fibrous membrane.The reaction temperature of amidoxim is 110 DEG C;During amidoximation
Concentration 35wt.% of oxammonium hydrochloride.;The amidoxim time is 50min;Described oxammonium hydrochloride. input amount and PAN nanofiber membrane
The mol ratio of middle itrile group (-CN) is 1:0.1.Hydroxylamine hydrochloride solution regulates by adding ammonia, and the quality of described ammonia is divided
Number is 10%.
Activation: oximate immerses in acid solution after terminating can obtain sea water bittern nano fibrous membrane after activation processing;Sea
Water salt nano fibrous membrane is 240min in the time that acid solution processes.
Filter: with the sea water bittern nano fibrous membrane obtained, salt is filtered, obtain exquisite saturated bittern.
Prepared by step 2, Herba suadeae glaucae salt extracting solution
(1) extraction:
A, by fresh Herba suadeae glaucae, naturally dry, dry rear moisture content 2%, pulverized by pulverizer, be ground into 20 mesh, by pulverize after
Herba suadeae glaucae is put in hanging basket.
B, hanging basket is put into ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, and throw in the most exhausted
Dry Herba suadeae glaucae and ethanol water solid-to-liquid ratio are 1:2, and the percent by volume wherein containing ethanol in ethanol water is 20%.
In C, ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, material is 120MHz in frequency, the microwave of power 3KW
Being 30kHz with frequency, power is the ultrasonic synergistic strengthening outer circulating extracting of 2KW, and Extracting temperature is 30 DEG C, and extraction time is 50
Minute, it is thus achieved that extracting solution inject high-order extracting solution storage tank, then strengthen outer circulating extracting tank to ultrasound wave and microwave cooperating and lead to
Enter compressed air, the extracting solution remained is blown to low level extracting solution storage tank, then high position extracting solution storage tank and low level are carried in Herba suadeae glaucae
Taking the extracting solution in liquid storage tank to inject in microwave decompression outer circulation concentration tank, described compressed air pressure is 0.6MPa, when being passed through
Between be 20 minutes, obtain Herba suadeae glaucae salt liquid.
(2) enzymolysis
Herba suadeae glaucae salt liquid step C obtained adds water, in Herba suadeae glaucae powder oven dry weight: water volume ratio is the ratio of 1:2,
Being positioned in container, stir at 40 DEG C, by 0.3% addition compound enzyme of Herba suadeae glaucae weight, compound enzyme contains bacillus subtilis egg
White enzyme, bromelain and papain, weight proportion is 3:4:1, enzymolysis 30 minutes, and described extraction hydrolysis temperature is 30
DEG C, centrifugation after completing, collect supernatant, obtain Herba suadeae glaucae salt extracting solution.
Step 3, evaporative crystallization
By the refined saturated bittern of preparation, it is heated to 80 DEG C, makes salt be cooled to 30 DEG C with 2 DEG C/min, add the Herba suadeae glaucae of preparation
Plant salt extracting solution and commercially available Folium Isatidis extract, Herba suadeae glaucae salt extracting solution addition is the 1 of saturated nacl aqueous solution volume
Times, the addition of described Folium Isatidis extract is in salt the 24% of sodium chloride quality, then stirs mixing;Mixed solution is made to drop
Temperature is to 10 DEG C;Introducing in the water tank with spray equipment, mixed solution is sprayed from top to bottom by spray equipment, and spray rate is
2m/h, while spray, starts blower fan, makes the wind waved spray streamline of 75 DEG C, and wind speed is 5.8m/s, and spray falls in tank
Solution, squeezed in water tank by circulating pump, the most repeatedly, until air-dry crystallization.
Step 4, be dried
Salt slurry after crystallization being sent into vibrations drying bed be dried, controlling baking temperature is 70 DEG C, and dried purified salt enters
Packet assembler.
By above method prepare containing sea salt and the plant salt of Folium Isatidis extract, composition includes: this product colour is light
Brown, particle diameter 3mm, NaCl content: 72%, moisture: 12%, MgCl2Content: 0.01%, CaSO4Content: 0.02%, isatin
Alkane B content: 12%, cupreol content: 0.3%, palmitic acid content: 0.6%,
After testing, in the plant salt containing sea salt and Folium Isatidis extract of preparation, molybdenum ion content is at 0.02mg/kg, silver ion
Content 0.03mg/kg, cobalt ion content 0.03mg/kg.
Screening healthy mice 8, is divided into A, B two groups, and after two groups of white mice cuttings, leg fur wound 3mm is deep, and A group is little
White mouse food adds the plant salt that the present invention produces, as A group white mice salinity main source.B group white mice food adds
Adding the common table salt main source as B group white mice salinity, each salinity addition of A, B two groups keeps consistent, every day feeding 3
Secondary, continuous feeding white mice three days, in A group white mice, three wound healings, a slightly swelling, wound healing rate is 75%, B
Group white mice, with congestion, heals two days later.
Use the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, place 2 years, have no caking.
Embodiment 2: containing sea salt and the preparation of the plant salt of Folium Isatidis extract
Step 1, exquisite making from brine are standby
(1) brine collection
Potassium ferrocyanide is added in the saturated bittern that pH value is 8, is prepared as the potassium ferrocyanide solution that concentration is 0.5mg/L,
Add sodium carbonate and calcium chloride, stand, precipitate, filter, remove most Ca2+, Mg2+, Fe2+ plasma in salt,
To the purest salt.In salt, molybdenum ion content is at 15mg/L, silver ion content 15mg/L, cobalt ion content after testing
20mg/L。
(2) filter
Mechanical filter: the salt gathered is removed bulky grain solid impurity therein and mechanicalness impurity through mechanical filter;The
One layer is that activated alumina is as filtrate, the specification of filter material of described first time filtrate as filtrate, second layer selection quartz sand
4mm, specification 5mm of second layer filtrate, filter type is for filter up and down, and after double medium filtration, the turbidity of salt is less than 5NTU;
Filter-cloth filtering: again by microfiltration cloth filter plate water outlet after mechanical filter, microfiltration cloth filter plate surface covers microfiltration cloth, and its material is
Filter felt or filter cotton, filtering accuracy 35 μm;It filters filtering velocity and controls at 8m/h, and filter pressure is 0.7mpa.
Nanofiltration: the salt after filtering carries out nanofiltration process, and nanofiltration temperature to control at 35 DEG C, adds reducing agent, uses
Reducing agent be sodium sulfite.The addition of reducing agent is the 25% of NF membrane quality.Reducing agent is configured to the solution of 3%, nanofiltration
Film precision controlling is in 7 μm, and the material of NF membrane is SPSF composite.
(3) nano fibrous membrane removing heavy metals
After filtering, clean salt, is filtered by sea water bittern nano fibrous membrane, removes heavy metal ion.Nano fibrous membrane
The number of plies be 4 layers, filter pressure control 0.3MPa.The manufacture method of described nano fibrous membrane is:
Prepared by PAN spinning liquid: dimethyl fumarate and 2-methyl-2 pyrrolidone solution are mixed, dissolved by PAN, solution temperature
60 DEG C, adding ammonia after cooling, the concentration of ammonia is 20%, and the addition of ammonia and 2-methyl-2 ketopyrrolidine volume ratio are 3:
1, mix 3h, temperature controls 13 DEG C, is made into spinning solution;Dimethyl fumarate concentration is 22wt.%, 2-methyl-2 ketopyrrolidine
Concentration is 25wt.%.
Spinning: by electrostatic spinning process, PAN nano wire is deposited on polyethylene terephthalate non-woven fabrics, obtain
It is able to the nano fibrous membrane that polyethylene terephthalate non-woven fabrics is substrate;Spinning voltage is 17kV, relative humidity 40%;
Spinning nozzle is flat type hole, and spinneret orifice cross-sectional aspect ratio is 5:1;The thickness of non-woven fabrics is 1100 μm;The thickness of PAN nano wire
Being 500 μm, PAN nano wire mass content in nano fibrous membrane is 15%.
Amidoxim: PAN nanofiber membrane be immersed in the alkaline solution containing oxammonium hydrochloride., controls hydroxylamine hydrochloride solution pH
It is 10, carries out the amidoxim of nano fibrous membrane.The reaction temperature of amidoxim is 125 DEG C;During amidoximation
The concentration range of oxammonium hydrochloride. is at 40wt.%;The amidoxim time is 80min;Described oxammonium hydrochloride. input amount and PAN Nanowire
In dimension film, the mol ratio of itrile group (-CN) is 1:0.3.Hydroxylamine hydrochloride solution regulates by adding ammonia, the matter of described ammonia
Amount mark is 12%.
Activation: oximate immerses in acid solution after terminating can obtain sea water bittern nano fibrous membrane after activation processing;Sea
Water salt nano fibrous membrane is 320min in the time that acid solution processes;
Filter: the sea water bittern nano fibrous membrane that will obtain, filter to obtain exquisite saturated bittern;
Prepared by step 2, Herba suadeae glaucae salt extracting solution
(1) extraction:
A, by fresh Herba suadeae glaucae, naturally dry, dry rear moisture content 4%, pulverized by pulverizer, be ground into 130 mesh, after pulverizing
Herba suadeae glaucae put in hanging basket;
B, hanging basket is put into ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, and throw in over dry alkali by weight percentage
Fluffy is 1:3 with ethanol water solid-to-liquid ratio, and the percent by volume wherein containing ethanol in ethanol water is 40%.
In C, ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, material is 160MHz in frequency, the microwave of power 6KW
Being 40kHz with frequency, power is the ultrasonic synergistic strengthening outer circulating extracting of 13KW, and Extracting temperature is 40 DEG C, and extraction time is
70 minutes, it is thus achieved that extracting solution inject high-order extracting solution storage tank, then strengthen outer circulating extracting tank to ultrasound wave and microwave cooperating
It is passed through compressed air, the extracting solution remained in Herba suadeae glaucae is blown to low level extracting solution storage tank, then by high position extracting solution storage tank and low level
Extracting solution in extracting solution storage tank injects in microwave decompression outer circulation concentration tank, and described compressed air pressure is 0.8MPa, is passed through
Time is 30 minutes, obtains Herba suadeae glaucae salt liquid.
(2) enzymolysis
Herba suadeae glaucae salt liquid step C obtained adds water, in Herba suadeae glaucae powder oven dry weight: water volume ratio is the ratio of 1:6,
Being positioned in container, stir at 50 DEG C, by 6% addition compound enzyme of Herba suadeae glaucae weight, compound enzyme contains subtilisin
Enzyme, bromelain and papain, weight proportion is 3:1:1, enzymolysis 120 minutes, and described extraction hydrolysis temperature is 40 DEG C
, centrifugation after completing, collect supernatant, obtain Herba suadeae glaucae salt extracting solution.
Step 3, evaporative crystallization
By the refined saturated bittern of preparation, it is heated to 100 DEG C, makes salt be cooled to 40 DEG C with 3 DEG C/min, add the Herba suadeae glaucae of preparation
Plant salt extracting solution and Folium Isatidis extract, Herba suadeae glaucae salt extracting solution addition is 2 times of saturated nacl aqueous solution volume, institute
Stating the addition of Folium Isatidis extract is in salt the 27% of sodium chloride quality, stirring mixing;Mixed solution is made to be cooled to 15 DEG C;
Introducing in the water tank of spray equipment, mixed solution is sprayed from top to bottom by spray equipment, and spray rate is 3m/h, spray
Meanwhile, starting blower fan, make the wind waved spray streamline of 7 DEG C, wind speed is 6.2 m/s, and spray falls into the solution in tank, is circulated
Pump is squeezed in water tank, the most repeatedly, until air-drying crystallization.
Step 4, be dried
Salt slurry after crystallization being sent into vibrations drying bed be dried, controlling baking temperature is 85 DEG C, and dried purified salt enters
Packet assembler.
By above method prepare containing sea salt and the plant salt of Folium Isatidis extract, composition includes: this product colour is light
Brown, particle diameter 4mm, NaCl content: 82%, moisture: 2%, MgCl2Content: 0.03%, CaSO4 Content: 0.08%, isatan
B content: 1.3%, cupreol content: 0.3%, palmitic acid content: 0.7%, after testing, after testing, preparation containing sea salt and Folium Isatidis
In the plant salt of leaf extract, molybdenum ion content is at 0.01mg/kg, silver ion content 0.02mg/kg, cobalt ion content
0.03mg/kg。
The healthy small test white rabbit 8 of screening, is divided into A, B two groups, leg fur wound 5mm after two groups of test white rabbit cuttings
Deeply, 2cm length, A group small test white rabbit food adds the plant salt that the present invention produces, mainly comes as A group test white rabbit salinity
Source.B group test white rabbit food adds the common table salt main source as B group test white rabbit salinity, two groups of each salinities of A, B
Addition keeps consistent, every day feeding 3 times, continuous feeding test white rabbit three days, in A group test white rabbit, four test white rabbits hinder
Completely, wound healing rate reaches 100%, and B group test white rabbit wound, with congestion, heals after three days in mouth healing.
Use the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, place 2.5 years, have no caking.
Embodiment 3: containing sea salt and the preparation of the plant salt of Folium Isatidis extract
Step 1, exquisite making from brine are standby
(1) brine collection
Potassium ferrocyanide is added in the smart saturated bittern that pH value is 9, be prepared as the potassium ferrocyanide that concentration is 0.8 mg/litre
Solution, adds sodium carbonate and calcium chloride, stands, precipitates, filters, remove in salt most Ca2+, Mg2+, Fe2+ etc. from
Son, obtains the purest salt.In salt, molybdenum ion content is at 20mg/L, silver ion content 20mg/L, cobalt ion after testing
Content 25mg/L.
(2) filter
Mechanical filter: the salt gathered is removed bulky grain solid impurity therein and mechanicalness impurity through mechanical filter;Machine
Tool filters, be for the first time activated alumina as filtrate, second layer selection quartz sand is as filtrate, the filter of described first time filtrate
Gauge lattice are 5mm, specification 5mm of second layer filtrate, and filter type is for filter up and down, and after double medium filtration, the turbidity of salt is little
In 5NTU;
Filter-cloth filtering: again by microfiltration cloth filter plate water outlet after mechanical filter, microfiltration cloth filter plate surface covers microfiltration cloth, and its material is
Filter cotton, filtering accuracy 45 μm;It filters filtering velocity and controls at 9m/h, and filter pressure is 0.9MPa.
Nanofiltration: the salt after filtering carries out nanofiltration process, and nanofiltration temperature to control at 40 DEG C, adds reducing agent, uses
Reducing agent be pyrosulfite.The addition of reducing agent is the 35% of NF membrane quality.Reducing agent is configured to the solution of 4%, receives
Filter membrane precision controlling is in 68 μm, and the material of NF membrane is acetic acid-Triafol T.
(3) removing heavy metals
Clean salt after filtering, is filtered by sea water bittern nano fibrous membrane, removes heavy metal ion.Nanofiber
The number of plies of film is 5 layers, and filter pressure controls 0.5mpa.The manufacture method of described nano fibrous membrane is:
Prepared by PAN spinning liquid: dimethyl fumarate and 2-methyl-2 pyrrolidone solution are mixed, dissolved by PAN, solution temperature
70 DEG C, adding ammonia after cooling, the concentration of ammonia is 25%, the addition of ammonia and 2-methyl-2 ketopyrrolidine molal weight ratio
For 5:1, mixing 4h, temperature controls 15 DEG C, is made into spinning solution;Dimethyl fumarate concentration is 25wt.%, 2-methyl-2 pyrroles
Alkanone concentration is 28wt.%.
Spinning: by electrostatic spinning process, PAN nano wire is deposited on polyethylene terephthalate non-woven fabrics, obtain
It is able to the nano fibrous membrane that polyethylene terephthalate non-woven fabrics is substrate;Spinning voltage is 20kV, relative humidity 40%;
Spinning nozzle is flat type hole, and spinneret orifice cross-sectional aspect ratio is 4:1;The thickness of non-woven fabrics is 1200 μm;The thickness of PAN nano wire
Being 500 μm, PAN nano wire mass content in nano fibrous membrane is 20%.
Amidoxim: PAN nanofiber membrane be immersed in the alkaline solution containing oxammonium hydrochloride., controls hydroxylamine hydrochloride solution pH
It is 9, carries out the amidoxim of nano fibrous membrane.The reaction temperature of amidoxim is 135 DEG C;Salt during amidoximation
The concentration range of acid azanol is at 40wt.%;The amidoxim time is 100min;Described oxammonium hydrochloride. input amount and PAN Nanowire
In dimension film, the mol ratio of itrile group (-CN) is 1:0.4.Hydroxylamine hydrochloride solution regulates by adding ammonia, the matter of described ammonia
Amount mark is 12%.
Activation: oximate immerses in acid solution after terminating can obtain sea water bittern nano fibrous membrane after activation processing;Sea
Water salt nano fibrous membrane is 360min in the time that acid solution processes;
Filter: the sea water bittern nano fibrous membrane that will obtain, filter to obtain exquisite saturated bittern;
Prepared by step 2, Herba suadeae glaucae salt extracting solution
(1) extraction:
A, by fresh Herba suadeae glaucae, naturally dry, dry rear moisture content 5%, pulverized by pulverizer, be ground into 50 mesh, by pulverize after
Herba suadeae glaucae is put in hanging basket;
B, hanging basket is put into ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, and throw in over dry alkali by weight percentage
Fluffy is 1:5 with ethanol water solid-to-liquid ratio, and the percent by volume wherein containing ethanol in ethanol water is 60%.
In C, ultrasound wave and microwave cooperating strengthening outer circulating extracting tank, material is 180MHz in frequency, the microwave of power 10KW
Being 50kHz with frequency, power is the ultrasonic synergistic strengthening outer circulating extracting of 5KW, and Extracting temperature is 50 DEG C, and extraction time is
100 minutes, it is thus achieved that extracting solution inject high-order extracting solution storage tank, then strengthen outer circulating extracting tank to ultrasound wave and microwave cooperating
It is passed through compressed air, the extracting solution remained in Herba suadeae glaucae is blown to low level extracting solution storage tank, then by high position extracting solution storage tank and low level
Extracting solution in extracting solution storage tank injects in microwave decompression outer circulation concentration tank, and described compressed air pressure is 1MPa, when being passed through
Between be 50 minutes, obtain Herba suadeae glaucae salt liquid
(2) enzymolysis
Herba suadeae glaucae salt liquid step C obtained adds water, in Herba suadeae glaucae powder oven dry weight: water volume ratio is the ratio of 1:8,
Being positioned in container, stir at 65 DEG C, by 1% addition compound enzyme of Herba suadeae glaucae weight, compound enzyme contains subtilisin
Enzyme, bromelain and papain, weight proportion is 4:3:1, enzymolysis 160 minutes, and described extraction hydrolysis temperature is 50 DEG C
, centrifugation after completing, collect supernatant, obtain Herba suadeae glaucae salt extracting solution.
Step 3, evaporative crystallization
By the refined saturated bittern of preparation, it is heated to 120 DEG C, makes salt be cooled to 360 DEG C with 4.5 DEG C/min, add preparation
Herba suadeae glaucae salt extracting solution and Folium Isatidis extract, Herba suadeae glaucae salt extracting solution addition is saturated nacl aqueous solution volume
2.5 times, the addition of described Folium Isatidis extract is in salt the 25% of sodium chloride quality, makes mixed solution be cooled to 20 DEG C;Draw
Entering in the water tank of spray equipment, mixed solution is sprayed from top to bottom by spray equipment, and spray rate is 4m/h, spray same
Time, starting blower fan, make the wind waved spray streamline of 80 DEG C, wind speed is 6.8 m/s, and spray falls into the solution in tank, is circulated
Pump is squeezed in water tank, the most repeatedly, until air-drying crystallization.
Step 4, be dried
Salt slurry after crystallization being sent into vibrations drying bed be dried, control baking temperature and be 70-90 DEG C, dried purified salt enters
Enter packet assembler.
By above method prepare containing sea salt and the plant salt of Folium Isatidis extract, color light brown, particle diameter 2mm,
NaCl content: 80%, moisture: 1%, MgCl2Content: 0.02%, CaSO4 Content: 0.06%, isatan B content: 0.5%, β-
Sitosterol content: 0.2%, palmitic acid content: 0.6% after testing, after testing, preparation containing sea salt and the plant of Folium Isatidis extract
In salt, molybdenum ion content is at 0.01mg/kg, silver ion content 0.01mg/kg, cobalt ion content 0.02mg/kg.
Screening health test Mini-musk swine 8, is divided into A, B two groups, leg fur wound 6mm after two groups of Mini-musk swine cuttings
Deeply, 3cm length, A group Mini-musk swine food adds the plant salt that the present invention produces, as A group Mini-musk swine salinity main source.B group
Adding the common table salt main source as B group Mini-musk swine salinity in Mini-musk swine food, each salinity addition of A, B two groups keeps
Unanimously, every day feeding 3 times, continuous feeding three days, in A group Mini-musk swine, three wound healings are complete, one with a little cicatrix,
Wound healing rate 75%, B group Mini-musk swine wound is with congestion.
Use the present invention prepare containing sea salt and the plant salt of Folium Isatidis extract, place 3 years, have no caking.
Embodiment 4: single factor analysis is tested
Through substantial amounts of test, it has been found that in nano fibrous membrane preparation process, in PAN spinning liquid preparation process, add one
Fixed ammonia removes heavy metal ion to nano fibrous membrane and has a certain impact, and the method using embodiment 3 below is spun at PAN
Silk liquid preparation process in, only change ammonia concn, response time, reaction temperature, to preparation containing sea salt and Folium Isatidis extract
Plant salt in the impact of content of beary metal, such as table 1:
Table 1: in PAN spinning liquid preparation process, changes ammonia concn, response time, reaction temperature, to preparation containing sea salt and
The impact of content of beary metal in the plant salt of Folium Isatidis extract
Above-mentioned test can significantly be found out, is 20% at ammonia concn, and hybrid reaction temperature is 14 DEG C, and the response time is 3.5h
Time, in the plant salt containing sea salt and Folium Isatidis extract of preparation, molybdenum ion, silver ion, cobalt ion content minimum, therefore,
Embodiment 7 is the optimum embodiment of this test.
Except as otherwise noted with art technology conventional unit, the percent employed in the present invention is weight percent
Number, ratio of the present invention, it is mass ratio.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (10)
1. one kind contains sea salt and the plant salt of Folium Isatidis extract, it is characterised in that: NaCl content: 75-in described plant salt
85%。
It is the most according to claim 1 a kind of containing sea salt with the plant salt of Folium Isatidis extract, it is characterised in that: described plant
Isatan B content in salt: 0.5-1.5%, cupreol content: 0.1-0.5%, palmitic acid content: 0.6-0.8%, molybdenum ion content
≤ 0.03mg/kg, silver ion content≤0.04mg/kg, cobalt ion content≤0.05mg/kg.
3. one kind uses the method that nano fibrous membrane removing heavy metals ion processes prepares plant salt, it is characterised in that: include exquisiteness
Salt preparation process, described exquisite salt preparation process includes nano fibrous membrane removing heavy metals step, and described nano fibrous membrane removes
Heavy metal step includes PAN spinning liquid preparation process, and the number of plies of described nano fibrous membrane is 3-5 layer, and filter pressure controls 0.1-
0.5MPa。
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 3,
It is characterized in that: described PAN spinning liquid preparation process, spinning liquid preparation process needs add ammonia.
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 4,
It is characterized in that: the concentration of the ammonia of described addition is 15-25%.
A kind of side using nano fibrous membrane removing heavy metal ion technique to prepare plant salt the most according to claim 4
Method, it is characterised in that: after described addition ammonia, incorporation time is: 2-4h, and temperature controls: 10-15 DEG C.
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 3,
It is characterized in that: described nano fibrous membrane removing heavy metals step also includes that spinning process, described spinning process spinning nozzle are flat
Type hole, spinneret orifice cross-sectional aspect ratio is 4:1.
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 3,
It is characterized in that: described nano fibrous membrane removing heavy metals step also includes amidoxim step;Described amidoxim step be by
PAN nanofiber membrane is immersed in the alkaline solution containing oxammonium hydrochloride. process, and the reaction temperature of described amidoxim is 110-
145℃。
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 8,
It is characterized in that: the pH value of described hydroxylamine hydrochloride solution is 8-11.
A kind of method using nano fibrous membrane removing heavy metals ion processes to prepare plant salt the most according to claim 9,
It is characterized in that: use ammonia regulation hydroxylamine hydrochloride solution pH value.
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CN113413776A (en) * | 2021-06-21 | 2021-09-21 | 东华理工大学 | Preparation method of nanofiltration membrane based on polyamidoxime as boundary layer |
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