CN104353430B - A kind of plant absorptive material reducing lead content in tree moss extract and application thereof - Google Patents
A kind of plant absorptive material reducing lead content in tree moss extract and application thereof Download PDFInfo
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- CN104353430B CN104353430B CN201410636811.0A CN201410636811A CN104353430B CN 104353430 B CN104353430 B CN 104353430B CN 201410636811 A CN201410636811 A CN 201410636811A CN 104353430 B CN104353430 B CN 104353430B
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- tree moss
- moss extract
- absorptive material
- plant
- lead content
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/02—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor with moving adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicines Containing Plant Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A kind of reduce the plant absorptive material of lead content in tree moss extract, it is characterised in that: with the blade of Herba pteridis vittatae as raw material, size-reduced, diluted acid soaks, filter after the process such as ionized water cleanings, drying, obtain plant absorptive material.Plant absorptive material is joined in tree moss extract and adsorb, filtered removal afterwards, the lead content in tree moss extract can be reduced.Advantages of the present invention is: Herba pteridis vittatae is a kind of heavy metal hyperaccumulative plant, and it has stronger adsorption to arsenic, lead, modified through diluted acid, can be discharged by the adsorption site of heavy metal in material；Vegetable material after processing joins in tree moss extract, can adsorb lead ion therein, and stop to add the probability of non-plant derived components in tree moss extract.Material therefor of the present invention is cheap, it is easily operated to process means, and it is obvious to remove lead effect.
Description
Technical field
The invention belongs to the heavy metal treatment technology of cigarette natural perfume material, be specifically related to a kind of plant absorptive material reducing lead content in tree moss extract and application thereof.
Background technology
Tree moss, another name Ramalina fastigiata, tree Herba Astragali Sinici, epiphytic lichen class plant, it is more common on pine, fir, oak, PiceameyeriRehd. Et Wils. or fir tree, there is the natural QINGXIANG of the liverwort material of a kind of uniqueness and strong resin breath.At present, tree moss extract is widely used in daily use chemicals, food, flavouring essence for tobacco, and increasing tobacco company uses tree moss to give the aromatic style that cigarette product is unique.
In the aspiration procedure of Medicated cigarette, the heavy metal in flavouring essence for tobacco can migrate along with flue gas, if content is higher, can jeopardize the health of smoker.Due to Epiphytic bryophyte simple in construction such as tree moss, absorption affinity is strong, easily reacts pollution factor, and in recent years, along with atmospheric pollution aggravates, the heavy metals exceeding standard problem in tree moss extract is the most serious.
At present, some have been had to remove the technology of the heavy metal in natural perfume material or Chinese medicine extract.Patent (CN 101703527 B) provides and a kind of utilizes functional polymer film to remove the method for heavy metal in Chinese medicine, multiple effect, the heavy metal in removal Chinese medicine such as exchange, retain by the absorption of functional polymer film, chelating, ion.Patent (CN 1839880 B) provides one and is processed with antibacterial by mineral drug, makes water-fast mineral drug dissolve in aqueous under the effect of antibacterial, then the method by the heavy metal ion in chemically or physically method removing solution.Patent (application number: 201110148709.2) provides a kind of material for separating heavy metal in Chinese medicine extraction liquid, food and method, and the material of employing is modified mesoporous silicon dioxide nano particle.But mostly there is cost height, complex process in above several method, maybe may affect spice or the problem of Effective Component of Chinese Medicine content.
Summary of the invention
It is an object of the invention to the shortcoming for above-mentioned prior art, plant absorptive material and the application thereof of lead content in a kind of cheap, easily prepared reduced tree moss extract are provided, this plant absorptive material has heavy metal hyperaccumulative absorption property, and arsenic, lead are all had stronger adsorption.
The purpose of the present invention is achieved by the following technical programs:
A kind of reduce the plant absorptive material of lead content in tree moss extract, be with Herba pteridis vittatae blade as raw material, size-reduced mistake 100 mesh sieve, diluted acid immersion treatment, after 400 mesh filter-cloth filterings, then it is washed with deionized, dries and prepare.
During diluted acid immersion treatment, mechanical agitator auxiliary stirring, raw material is 1: 10 ~ 1: 150 with mass volume ratio g: mL of diluted acid, and the process time is 1 ~ 12 h；Described diluted acid is the one in dilute hydrochloric acid, dilute sulfuric acid, spirit of vinegar, dust technology, and concentration is 0.01 mol/L ~ 2 mol/L.
The plant absorptive material of the present invention is joined in tree moss extract and adsorbs, afterwards plant absorptive material is filtered and remove, can reduce the lead content in tree moss extract, plant absorptive material is 1: 5 ~ 1: 100 with mass volume ratio g: mL of tree moss extract.Being placed in during absorption on shaking table, rotating speed is 70 ~ 150 revs/min, and adsorption time is 20 ~ 200 minutes.After absorption, with 400 mesh or above filter cloth, adsorbing material is filtered off, the tree moss extract after being processed.
Compared with prior art, the invention have the advantages that
1, plant absorptive material used in the present invention is Herba pteridis vittatae pinniform blade, this plant growth scope and extensively, and Biomass is big, and adsorbing material can be reused after being regenerated by weak acid scrubbing, and cost is relatively low.
2, Herba pteridis vittatae all has stronger absorbability to arsenic, lead, and the tree moss extract after process does not introduce other non-plant composition, and does not the most lose flavor component, will not affect greatly its quality.
3, this invention is simple to operate, can be applicable in the production process of tree moss extract.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further, but is not limiting as the present invention.
Embodiment
1
The preparation method of tree moss extract: crossing 100 mesh sieves after being pulverized by tree moss, take the water being added 8 times of weight by screen portion, conventional method heating extraction 2 hours (Extracting temperature 90 ± 2 DEG C), with 400 mesh filter-cloth filterings after cooling.Filtrate is tree moss extract.
The preparation of Herba pteridis vittatae adsorbing material: Herba pteridis vittatae blade was pulverized 100 mesh sieves, takes by screen portion 3g, adds 60 mL 2 mol/L dilute sulfuric acid (or dust technology), mechanical agitation 12 h, with 400 mesh filter-cloth filterings, solids is washed with deionized 3 times, dries and obtains adsorbing material.
Take tree moss extract 20 mL, add 0.3 g adsorbing material, with 150 revs/min of concussion 1 h on shaking table, after absorption, with 400 mesh filter clothes, adsorbing material is filtered off, obtain removing the tree moss extract of lead.Detecting through ICP-MS, the lead content before and after the absorption of tree moss extract is respectively 200 μ g/Kg and 70 μ g/Kg, and clearance is 65%.
Embodiment
2
The preparation method of tree moss extract: cross 100 mesh sieves after being pulverized by tree moss, take the water being added 8 times of weight by screen portion, conventional method heating extraction 2 hours (Extracting temperature 90 ± 2 DEG C), use 400 mesh screen after cooling.Filtrate is tree moss extract.
The preparation of Herba pteridis vittatae adsorbing material: Herba pteridis vittatae blade was pulverized 100 mesh sieves, takes by screen portion 2g, adds 90 mL 2 mol/L dilute hydrochloric acid (or spirit of vinegar), mechanical agitation 4 h, with 400 mesh filter-cloth filterings, solids is washed with deionized 3 times, dries and obtains adsorbing material.
Take tree moss extract 20 mL, add 0.5g adsorbing material, with 150 revs/min of concussion 1 h on shaking table, after absorption, with 400 mesh filter clothes, adsorbing material is filtered off, obtain removing the tree moss extract of lead.Detecting through ICP-MS, the lead content before and after the absorption of tree moss extract is respectively 200 μ g/Kg and 48 μ g/Kg, and clearance is 76%.
Embodiment
3
As a example by commercially available tree moss absolute.
The preparation of Herba pteridis vittatae adsorbing material: Herba pteridis vittatae blade was pulverized 100 mesh sieves, takes by screen portion 3g, adds 60 mL 2 mol/L dust technology, mechanical agitation 12 h, and with 400 mesh filter-cloth filterings, solids is washed with deionized 3 times, dries and obtains adsorbing material.
Take commercially available tree moss absolute 30 mL, add 1 g adsorbing material, with 150 revs/min of concussion 2 h on shaking table, after absorption, with 400 mesh filter clothes, adsorbing material is filtered off, obtain removing the tree moss absolute of lead.Detecting through ICP-MS, the lead content before and after tree moss absolute absorption is respectively 830 μ g/Kg and 190 μ g/Kg, and clearance is 77%.
The above is present invention embodiment in laboratory conditions, and under production conditions, detailed description of the invention is different with laboratory condition.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. plant absorptive material application of lead content in removing tree moss extract, it is characterised in that:
This plant absorptive material is with Herba pteridis vittatae blade as raw material, size-reduced mistake 100 mesh sieve, diluted acid immersion treatment, after 400 mesh filter-cloth filterings, then is washed with deionized, dries and prepare；Prepared plant absorptive material is joined in tree moss extract and adsorbs, afterwards plant absorptive material is filtered and remove, can reduce the lead content in tree moss extract, plant absorptive material is 1: 5 ~ 1: 100 with mass volume ratio g: mL of tree moss extract.
Plant absorptive material the most according to claim 1 is the application of lead content in removing tree moss extract, it is characterised in that: during diluted acid immersion treatment, raw material is 1: 10 ~ 1: 150 with mass volume ratio g: mL of diluted acid, and the process time is 1 ~ 12 h.
Plant absorptive material the most according to claim 1 is the application of lead content in removing tree moss extract, it is characterised in that: described diluted acid is the one in dilute hydrochloric acid, dilute sulfuric acid, spirit of vinegar, dust technology, and concentration is 0.01 mol/L ~ 2 mol/L.
Plant absorptive material the most according to claim 1 is the application of lead content in removing tree moss extract, it is characterised in that: being placed in during absorption on shaking table, rotating speed is 70
~ 150 revs/min, adsorption time is 20 ~ 200 minutes.
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| CN103386293B (en) * | 2013-07-25 | 2015-04-29 | 中国烟草总公司郑州烟草研究院 | Plant material adsorbent for reducing cadmium content of tobacco extracting liquid and application of plant material adsorbent |
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