CN116621188A - Attapulgite-based mineralized water agent - Google Patents
Attapulgite-based mineralized water agent Download PDFInfo
- Publication number
- CN116621188A CN116621188A CN202310426010.0A CN202310426010A CN116621188A CN 116621188 A CN116621188 A CN 116621188A CN 202310426010 A CN202310426010 A CN 202310426010A CN 116621188 A CN116621188 A CN 116621188A
- Authority
- CN
- China
- Prior art keywords
- attapulgite
- mineralized water
- water
- water agent
- core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229960000892 attapulgite Drugs 0.000 title claims abstract description 87
- 229910052625 palygorskite Inorganic materials 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 26
- 239000004575 stone Substances 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 12
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 claims abstract description 11
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 claims abstract description 11
- 229930182817 methionine Natural products 0.000 claims abstract description 11
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims abstract description 9
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims abstract description 9
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000020188 drinking water Nutrition 0.000 claims abstract description 8
- 239000003651 drinking water Substances 0.000 claims abstract description 8
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 6
- 239000011258 core-shell material Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 6
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 6
- 239000011736 potassium bicarbonate Substances 0.000 claims description 6
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 6
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 229910052613 tourmaline Inorganic materials 0.000 claims description 5
- 229940070527 tourmaline Drugs 0.000 claims description 5
- 239000011032 tourmaline Substances 0.000 claims description 5
- 229940010698 activated attapulgite Drugs 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052712 strontium Inorganic materials 0.000 abstract description 5
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011737 fluorine Substances 0.000 abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 abstract description 4
- 239000011669 selenium Substances 0.000 abstract description 4
- 229910052711 selenium Inorganic materials 0.000 abstract description 4
- 239000011701 zinc Substances 0.000 abstract description 4
- 229910052725 zinc Inorganic materials 0.000 abstract description 4
- 230000001089 mineralizing effect Effects 0.000 abstract description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 description 26
- 238000002474 experimental method Methods 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 229910052500 inorganic mineral Inorganic materials 0.000 description 13
- 239000011707 mineral Substances 0.000 description 13
- 235000010755 mineral Nutrition 0.000 description 13
- 238000000746 purification Methods 0.000 description 11
- 239000008396 flotation agent Substances 0.000 description 10
- 239000000843 powder Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 7
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 6
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 5
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 5
- 235000020682 bottled natural mineral water Nutrition 0.000 description 5
- 239000001768 carboxy methyl cellulose Substances 0.000 description 5
- 239000002734 clay mineral Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229920000858 Cyclodextrin Polymers 0.000 description 4
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- 239000001902 eugenia caryophyllata l. bud oil Substances 0.000 description 4
- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 description 4
- 229940080345 gamma-cyclodextrin Drugs 0.000 description 4
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 4
- 239000008108 microcrystalline cellulose Substances 0.000 description 4
- 229940016286 microcrystalline cellulose Drugs 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000008213 purified water Substances 0.000 description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 101150072179 ATP1 gene Proteins 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000003722 gum benzoin Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229920002558 Curdlan Polymers 0.000 description 2
- 239000001879 Curdlan Substances 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229920000161 Locust bean gum Polymers 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 206010040844 Skin exfoliation Diseases 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000037208 balanced nutrition Effects 0.000 description 2
- 235000019046 balanced nutrition Nutrition 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000019316 curdlan Nutrition 0.000 description 2
- 229940078035 curdlan Drugs 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000035618 desquamation Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 235000004426 flaxseed Nutrition 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 239000000711 locust bean gum Substances 0.000 description 2
- 235000010420 locust bean gum Nutrition 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000009768 microwave sintering Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000001254 oxidized starch Substances 0.000 description 2
- 235000013808 oxidized starch Nutrition 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 description 1
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- DSCFFEYYQKSRSV-UHFFFAOYSA-N 1L-O1-methyl-muco-inositol Natural products COC1C(O)C(O)C(O)C(O)C1O DSCFFEYYQKSRSV-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000003826 Artemisia Nutrition 0.000 description 1
- 235000003261 Artemisia vulgaris Nutrition 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- VJXUJFAZXQOXMJ-UHFFFAOYSA-N D-1-O-Methyl-muco-inositol Natural products CC12C(OC)(C)OC(C)(C)C2CC(=O)C(C23OC2C(=O)O2)(C)C1CCC3(C)C2C=1C=COC=1 VJXUJFAZXQOXMJ-UHFFFAOYSA-N 0.000 description 1
- DSCFFEYYQKSRSV-KLJZZCKASA-N D-pinitol Chemical compound CO[C@@H]1[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@H]1O DSCFFEYYQKSRSV-KLJZZCKASA-N 0.000 description 1
- 241000628997 Flos Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 244000275012 Sesbania cannabina Species 0.000 description 1
- 238000000944 Soxhlet extraction Methods 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- 240000004584 Tamarindus indica Species 0.000 description 1
- 235000004298 Tamarindus indica Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 244000030166 artemisia Species 0.000 description 1
- 235000009052 artemisia Nutrition 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 235000015177 dried meat Nutrition 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- -1 hydroxypropyl Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- WTJKGGKOPKCXLL-RRHRGVEJSA-N phosphatidylcholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCCC=CCCCCCCCC WTJKGGKOPKCXLL-RRHRGVEJSA-N 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000002351 wastewater Substances 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/018—Mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/10—Removing adhering liquid from separated materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/40—Clays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
The application is a divisional application of 2022109403727. The application discloses an attapulgite-based mineralized water agent, which has a core-shell structure, wherein the content of the core is 75-90 wt%, and the core is particles consisting of the following components: attapulgite, schorlite, medical stone, serpentine, muyu stone, hexacyclic stone and montmorillonite; the shell is composed of components including: hydroxyapatite, tyrosine, and methionine. Compared with the prior art, the mineralizing agent provided by the application can not only increase beneficial substances such as strontium, selenium, zinc, lithium and the like in drinking water, but also reduce fluorine, iron and manganese.
Description
The application relates to a purification method of attapulgite clay and a division application of Chinese application of an attapulgite-based mineralized water agent, wherein the application number is 2022109403727, the application date is 2022, 8 and 5.
Technical Field
The application relates to an attapulgite-based mineralized water agent.
Background
The attapulgite clay is a nonmetallic clay mineral and is a non-renewable resource. The reserves of the attapulgite clay in China are more than 70% of the world, but the low-grade attapulgite clay is most often purified and dissociated before use, so that the special advantages of the attapulgite clay can be exerted. The purification of attapulgite clay is currently reported to be dry winnowing purification and wet purification, wherein the wet purification mainly uses agents such as flotation agents and the like, and uses the difference of surface charges and densities of all substances to screen the attapulgite clay through a proper flotation agent. For example, chinese patent CN 106904623A (background document 1 for short) discloses a purification modification method of attapulgite by the following steps: crushing attapulgite raw ore, adding the crushed attapulgite raw ore into deionized water of an organic active agent consisting of a silane coupling agent 550, a silane coupling agent 570, an aluminate coupling agent SG-A1821, anti-settling aluminate ASA and the like, magnetically stirring, soaking and standing, decanting the solution to obtain an upper attapulgite suspension, adding the upper attapulgite suspension into an activated dispersant consisting of sodium hexametaphosphate and carboxymethyl cellulose, processing by an ultrasonic hydrothermal method, centrifuging, filtering and drying to obtain a coarse attapulgite powder, conveying the coarse attapulgite powder into a rotary kiln filled with inert gas argon for roasting, cooling and standing to normal temperature after roasting, and taking out the purified and modified attapulgite powder. The application has no conventional acid washing wastewater discharge, is energy-saving and environment-friendly, takes argon as a roasting medium, improves the purity of the attapulgite powder, further increases the specific surface area, improves the adsorption capacity and widens the application field. But do soThe purity of the purified attapulgite clay is not mentioned in the text. Chinese patent CN 109809422A (background document 2 for short) discloses a method for purifying attapulgite, the process of purifying attapulgite comprises the following steps: adding ball-milled and sieved attapulgite clay raw soil into a dispersing agent solution, then centrifugally washing, adding hydrochloric acid solution, fully mixing in a colloid mill for 1 hour, centrifugally separating, adding ammonia water solution, stirring in a magnetic stirrer, centrifugally separating, adding deionized water, uniformly mixing, centrifugally separating, taking supernatant, and spray-drying to obtain the product with the specific surface area up to 151.6m 2 Purification of/g. The process method has the advantages of simple operation, high safety, low raw material price, abundant reserves, and great application value, and is very easy to be applied to industrial expansion production. The dispersants used in this document are sodium hexametaphosphate and sodium pyrophosphate, and the purity of the finally purified attapulgite is close to 100%, but the content of attapulgite in the raw ore is not given. Chinese patent CN 110092386A (background document 3 for short) discloses a method for purifying attapulgite clay, comprising: crushing attapulgite clay into clay particles with the particle size of 10-20 mm; adding water to prepare slurry with the concentration of 35wt%, carrying out ultrasonic and mechanical stirring, and then sieving with a 200-mesh sieve; then the concentration of the slurry is regulated to 15wt percent, and the slurry is stirred by ultrasound and machinery and then passes through a 2000-mesh screen; and (3) regulating the concentration of the slurry to 10wt%, adding sodium carboxymethyl starch, centrifuging at 5500 r/min after uniform stirring, centrifuging the upper emulsion at 12000 r/min, washing, adding water to prepare slurry with the concentration of 15%, adding phosphatidylcholine and pinitol oil for floatation, press-filtering, performing Soxhlet extraction on a filter cake with ethanol, and drying to obtain purified attapulgite. Although the application mentions that the final attapulgite clay purity is greater than 99.9%, the application also does not mention the attapulgite content of the raw ore.
Although natural mineral water has many advantages, mineral water in different producing areas has nonuniform nutrient elements or has excessive trace elements, and the mineral water needs to be prepared by further blending. The artificial mineral water has great flexibility, and may be produced directly in consumer area and various kinds of artificial mineral water. However, the current consumer does not recognize the way of adding trace elements by manually adding food additives, and through market research, the way of treating drinking water by using natural minerals is found to be acceptable to the vast consumers, and the drinking water prepared by the process is safer and more nutritional compared with single natural mineral water.
Attapulgite is a natural clay mineral, zhang Guosheng published paper "research on purifying mineralized drinking water by attapulgite", water treatment technology, 1997, 23, 1 st (background document 4) is a manual mineralizer prepared by adding various minerals to attapulgite clay as a main raw material, and water quality detection results show that the attapulgite clay is very suitable for being used as a mineralizer, especially has good bactericidal effect, so that the total bacterial count is reduced from 5500 to 10 per mL, the total coliform group number is reduced from more than 230 to less than 3 per mL, but the mineralization change of water is not great.
Disclosure of Invention
The application aims to provide a method for obtaining high-purity attapulgite by directly taking low-grade attapulgite clay raw ore as a raw material.
The application adopts the following technical scheme for realizing the purposes:
a method for purifying attapulgite clay, wherein the attapulgite clay is purified by a floatation method, and the method comprises the following steps: adding a flotation agent and a foam stabilizer into the attapulgite clay slurry, collecting the suspension, and demulsifying, separating and washing the suspension to obtain the attapulgite clay, wherein the flotation agent at least comprises 10-20wt% of white de-esterification, 5-15wt% of benzoin resin, 40-60wt% of sodium hexametaphosphate and 5-35wt% of clove bud oil.
Preferably, the amount of the flotation agent is 3 to 10wt% of the attapulgite clay.
Preferably, the flotation agent further comprises not more than 30% by weight of one or more selected from oxidized starch, locust bean gum, flaxseed gum, sesbania gum, curdlan gum, soluble soybean polysaccharide, phosphorylated di-starch phosphate, tamarind gum, hydroxypropyl di-starch phosphate, artemisia glue, sorbitan monooleate.
Most preferably, the flotation agent consists of 20wt% of white de-esterification, 10wt% of benzoin resin, 50wt% of sodium hexametaphosphate and 20wt% of clove bud oil.
Preferably, the foam stabilizer is composed of components including 30 to 50wt% of sodium carboxymethyl cellulose, 10 to 20wt% of microcrystalline cellulose, and 30 to 60wt% of gamma-cyclodextrin.
Preferably, the foam stabilizer is used in an amount of 1 to 3wt% of the attapulgite clay.
Most preferably, the foam stabilizer consists of 50wt% sodium carboxymethylcellulose, 10wt% microcrystalline cellulose and 40wt% gamma-cyclodextrin.
Preferably, after demulsification of the suspension, it is centrifuged at a speed of 2000 to 4000 rpm.
The application also aims at providing an improved attapulgite-based mineralized water agent by taking the purified attapulgite as a raw material.
The application adopts the following technical scheme for realizing the purposes:
an attapulgite-based mineralized water agent, which has a core-shell structure, the core content being 75-90 wt%,
the core is a particle comprising the following components: attapulgite, schorlite, medical stone, serpentine, hexacyclic stone and montmorillonite;
the shell is composed of components including: hydroxyapatite, tyrosine, and methionine.
Preferably, the composition of the core is: 30-70wt% of attapulgite, 5-10wt% of lithium tourmaline, 10-20wt% of medical stone, 5-10wt% of serpentine, 5-20wt% of hexacyclic stone and 5-10wt% of montmorillonite.
Preferably, the content of the hydroxyapatite in the attapulgite-based mineralized water agent is 9-20wt%, and the total content of the tyrosine and the methionine is 1-5wt%.
More preferably, the mass ratio of tyrosine to methionine is 1:1 to 1:4.
The preparation method of the attapulgite-based mineralized water agent comprises the following steps:
(1) Mixing attapulgite and potassium bicarbonate uniformly, and heating for activation to obtain activated attapulgite;
(2) Mixing activated attapulgite, lithium tourmaline, medical stone, serpentine, hexacyclic stone and montmorillonite, and granulating;
(3) Spraying hydroxyapatite emulsion, mixed water solution of tyrosine and methionine to the particles obtained in the step (2) in sequence, and drying to obtain the attapulgite-based mineralized water agent.
Preferably, the dosage of the potassium bicarbonate is 10-20% of the mass of the attapulgite, and the activation temperature is 250-300 ℃.
The application of the attapulgite-based mineralized water agent in the production of drinking water.
The beneficial effects are that:
compared with the prior art, the method has wider applicability, and can directly purify the low-grade attapulgite clay raw ore with the content of less than 40 percent to obtain high-purity attapulgite, thereby fully utilizing the abundant low-grade attapulgite ore.
The attapulgite-based mineralized water agent is based on high-purity attapulgite obtained by purification, is compounded with various minerals, multi-base apatite, tyrosine and methionine, can improve the contents of beneficial substances such as zinc element, lithium element and the like in drinking water, obtains selenium-rich strontium-rich water with balanced nutrition, and reduces out-of-standard fluorine element, iron element and manganese element in the water.
Detailed Description
The technical scheme of the application is further described in detail below by combining examples.
Example 1
Selecting attapulgite clay raw ore, detecting heavy metal ions which are not harmful to human bodies, airing and drying the raw ore, crushing the raw ore into 100-120 mesh small particles, and adding purified water to prepare 10% -30% slurry.
Selecting a composite flotation agent (see table 1), adding purified water, carrying out ultrasonic stirring uniformly, adding the mixture into the attapulgite slurry, continuing ultrasonic stirring for 10-50 minutes, adding a mixed foam stabilizer consisting of 50wt% of sodium carboxymethyl cellulose, 10wt% of microcrystalline cellulose and 40wt% of gamma-cyclodextrin according to 2wt% of attapulgite clay raw ore, and uniformly stirring. Standing for 24-48 hours, separating the upper suspension from the bottom precipitate, adding a dilute solution of citric acid into the upper suspension to demulsify, centrifuging at a speed of 2000-4000 rpm, washing the paste obtained by centrifuging with purified water for 3-5 times, washing with edible alcohol for 2-3 times again, preparing into 10-20% slurry again, and spray-drying to obtain superfine attapulgite powder (ATP-0 hereinafter), wherein the particle size is not less than 2500 meshes. The obtained superfine attapulgite powder was subjected to all-rock clay mineral analysis, the attapulgite content was more than 99.9%, the attapulgite content in the raw ore was 35.4%, and the purification effect of the method described in the background documents 1 to 3 on the raw ore of this example was compared, and the specific results are shown in table 2.
Table 1 ratio of Compound flotation agent (in parts by weight)
| Raw ore | White desquamation ester | Benzoin resin | Sodium hexametaphosphate | Clove bud oil | |
| Comparative experiment 1 | 100 | 10 | \ | \ | \ |
| Comparative experiment 2 | 100 | \ | 10 | \ | \ |
| Comparative experiment 3 | 100 | \ | \ | 10 | \ |
| Comparative experiment 4 | 100 | \ | \ | \ | 10 |
| Comparative experiment 5 | 100 | 2 | 3 | 5 | \ |
| Comparative experiment 6 | 100 | \ | 3 | 5 | 2 |
| Comparative experiment 7 | 100 | 3 | \ | 5 | 2 |
| Comparative experiment 8 | 100 | 3 | 5 | \ | 2 |
| Comparative experiment 9 | 100 | 5 | 5 | \ | \ |
| Comparative experiment 10 | 100 | 5 | \ | 5 | \ |
| Comparative experiment 11 | 100 | 5 | \ | \ | 5 |
| Comparative experiment 12 | 100 | \ | 5 | 5 | \ |
| Comparative experiment 13 | 100 | \ | 5 | \ | 5 |
| Comparative experiment 14 | 100 | \ | \ | 5 | 5 |
| Example 1 | 100 | 2 | 1 | 5 | 2 |
In the table "\" indicates that no addition was made.
TABLE 2 purification effect of different flotation agents and methods
Examples 2 to 7
The purification process of the attapulgite clay raw ore is the same as in example 1, and the material proportion is shown in Table 3:
table 3 raw material ratios (in parts by weight) of examples 2 to 7
| Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | |
| Raw ore | 100 | 100 | 100 | 100 | 100 | 100 |
| White desquamation ester | 0.6 | 0.6 | 0.5 | 0.6 | 0.9 | 1.6 |
| Benzoin (Benzonum)Resin composition | 0.15 | 0.45 | 0.25 | 0.4 | 0.3 | 0.8 |
| Sodium hexametaphosphate | 1.8 | 1.8 | 2.5 | 2.2 | 3.6 | 4.4 |
| Clove bud oil | 0.45 | 0.15 | 1.75 | 0.8 | 1.2 | 1.2 |
| Oxidized starch | 0.5 | / | / | / | 0.1 | 0.3 |
| Locust bean gum | / | 1 | 0.1 | / | 0.1 | 0.1 |
| Linseed gum | / | / | 0.2 | / | 0.1 | 0.2 |
| Curdlan gum | / | / | 0.2 | / | 0.1 | 0.1 |
| Soluble soybean polysaccharide | 0.5 | / | 0.5 | / | 0.1 | 0.2 |
| Phosphorylated di-starch phosphate | / | / | / | 0.2 | 0.1 | 0.1 |
| Sha Haojiao | / | / | / | 0.8 | 0.1 | / |
| Sodium carboxymethyl cellulose | 0.9 | 0.5 | 0.8 | 1.5 | 0.6 | 0.4 |
| Microcrystalline cellulose | 0.3 | 0.2 | 0.3 | 0.6 | 0.4 | 0.15 |
| Gamma-cyclodextrin | 1.8 | 0.3 | 0.9 | 0.9 | 1.0 | 0.45 |
The results of the analysis of all-rock clay minerals of the purified products of the examples are shown in Table 4:
TABLE 4 all-rock clay mineral analysis of Attapulgite obtained in examples 2 to 7
Example 8
1. ATP-0 of example 1 was mixed with food grade potassium bicarbonate, ball milled and stirred at high speed at 25-35℃and the potassium bicarbonate was supported on the surface of attapulgite crystals, the amount of added potassium carbonate being 10% -20% of that of the attapulgite powder. Then placing the compound in a microwave sintering furnace, quickly heating to 250-300 ℃, and then preserving heat and activating for 10 minutes. Designated ATP-1.
After microwave sintering activation, the specific surface area of ATP-1 is 3.5 times that of ATP-0, the bulk density is reduced by 34.2%, and the powder is in a dried meat floss shape.
2. Mixing lithium tourmaline, maifanitum, serpentine, hexacyclic stone and montmorillonite at a certain ratio, pulverizing into superfine powder with D100 smaller than 5 μm, mixing with ATP-0 in a high-speed ball mill, and marking as ATP-MO.
3. Granulating by an ATP-MO disk granulator to prepare small particles with the particle size of 2-4 mm, and then spraying hydroxyapatite emulsion (the content of the hydroxyapatite is 20% -30%) on the surfaces of the small ATP-MO particles to be marked as ATP-MO-1.
4. Tyrosine and methionine are mixed according to a certain proportion and dissolved in purified water to be marked as AA aqueous solution.
5. Spraying an AA (dry basis) aqueous solution with the mass fraction of 2-5% of the ATP-MO-1 onto the surface of the ATP-MO-1, and drying at a low temperature in vacuum to obtain an attapulgite-based mineralized water agent, which is denoted as ATP-MO-AA (the specific raw material proportion is shown in Table 5).
Mineralized water experiments
The natural mineral water is taken as a basic water source, all indexes of the mineral water are detected according to GB 5749-2022 and GB 8537-2018, and the mineral water is found to be rich in strontium element (the content is not less than 0.765 mg/L), but other beneficial substances such as selenium element, zinc element, lithium element and the like are hardly detected. More disadvantageous is that fluoride is detected in mineral water to exceed 1.8 times (2.7 mg/L), manganese element exceeds 1.3 times (0.514 mg/L), and iron element exceeds 1.25 times (1.375 mg/L).
The mineral water is rich in strontium element required by human body, but needs to be further processed to reduce the content of fluorine element, manganese element and iron element and increase other beneficial nutrient elements when entering the drinking stage. The specific process is as follows:
1. adding 5-20% of ATP-MO-AA into 1 ton of mineral water raw water, slowly stirring for 1-2 hours, and filtering by using a 0.2-0.25 microporous filter membrane, wherein the obtained water is named NMW-1.
2. NMW-1 is subjected to ultrasonic treatment by high-energy direct insertion type ultrasonic wave, the ultrasonic frequency is 20KHz, after the ultrasonic time is 8-12 minutes, the water body is treated by microwaves, the microwave frequency is 2.45GHz, the microwave treatment time is 3-5 minutes, and the obtained water is recorded as NMW-2.
3. NMW-2 was filtered through an ultra micro filtration membrane, and the water quality detection data of the obtained drinking water are shown in Table 6. All water quality tests were carried out according to the national standards, and only the data of the change and the data of important attention are listed in table 6, and the data not listed meet the national drinking water standards.
TABLE 5 raw material ratios (in parts by weight) of different mineralized aqueous agents and mineralized water treatment
In the table "\" indicates no addition or no processing.
In addition, the comparative experiment was performed by using the same amount of attapulgite clay raw ore, ATP-1 and mineralizer of background document 4 according to the above-mentioned mineralized water experimental procedure.
TABLE 6 Water quality index test of Natural mineral Water treated with different mineralizers
Continuous table 6
Method for characterizing cluster number of small molecular group water: characterization and measurement of water molecular cluster structure by using high-resolution superconducting nuclear magnetic resonance spectrometer 17 The lower the half-width value of the O nuclear magnetic resonance, the smaller the cluster number.
Examples 9 to 16
Examples 9 to 16 preparation of attapulgite-based mineralized water agent the same as in example 8, and specific raw materials were prepared according to the following ratio:
table 7 raw material ratios (in parts by weight) of examples 9 to 16
After the mineralizing agent provided by the application mineralizes raw water, selenium-rich strontium-rich mineral water with balanced nutrition can be obtained, and the absorption treatment of fluorine element, iron element and manganese element exceeding the standard in raw water can be carried out, and beneficial substances such as zinc element, lithium element and the like can be added. And finally, the degree of clustering of the water body is greatly reduced after ultrasonic and microwave treatment, and the water body is close to the best natural mineral water sold in the market at present.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and the present application is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present application has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (6)
1. An attapulgite-based mineralized water agent, which is characterized in that: the attapulgite-based mineralized water agent has a core-shell structure, the core content is 75-90 wt%,
the core is a particle comprising the following components: attapulgite, schorlite, medical stone, serpentine, hexacyclic stone and montmorillonite;
the shell is composed of components including: hydroxyapatite, tyrosine, and methionine.
2. The attapulgite-based mineralized water agent according to claim 1, wherein: the composition of the core is: 30-70wt% of attapulgite, 5-10wt% of lithium tourmaline, 10-20wt% of medical stone, 5-10wt% of serpentine, 5-20wt% of hexacyclic stone and 5-10wt% of montmorillonite.
3. The attapulgite-based mineralized water agent according to claim 1, wherein: the content of hydroxyapatite in the attapulgite-based mineralized water agent is 9-20wt%, the total content of tyrosine and methionine is 1-5wt%, and preferably, the mass ratio of tyrosine to methionine is 1:1-1:4.
4. The method for preparing the attapulgite-based mineralized water agent according to claim 1, comprising the following steps:
(1) Mixing attapulgite and potassium bicarbonate uniformly, and heating for activation to obtain activated attapulgite;
(2) Mixing activated attapulgite, lithium tourmaline, medical stone, serpentine, hexacyclic stone and montmorillonite, and granulating;
(3) Spraying hydroxyapatite emulsion, mixed water solution of tyrosine and methionine to the particles obtained in the step (2) in sequence, and drying to obtain the attapulgite-based mineralized water agent.
5. The method of manufacturing according to claim 4, wherein: the dosage of the potassium bicarbonate is 10% -20% of the mass of the attapulgite, and the activation temperature is 250-300 ℃.
6. The use of the attapulgite-based mineralized water agent according to claim 1 for producing drinking water.
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