CN102872809A - Organic hydrotalcite and preparation method thereof - Google Patents
Organic hydrotalcite and preparation method thereof Download PDFInfo
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- CN102872809A CN102872809A CN2012103533418A CN201210353341A CN102872809A CN 102872809 A CN102872809 A CN 102872809A CN 2012103533418 A CN2012103533418 A CN 2012103533418A CN 201210353341 A CN201210353341 A CN 201210353341A CN 102872809 A CN102872809 A CN 102872809A
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- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 title claims abstract description 93
- 229960001545 hydrotalcite Drugs 0.000 title claims abstract description 86
- 229910001701 hydrotalcite Inorganic materials 0.000 title claims abstract description 86
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000004094 surface-active agent Substances 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 3
- 239000003945 anionic surfactant Substances 0.000 claims description 39
- 230000004048 modification Effects 0.000 claims description 20
- 238000012986 modification Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000004913 activation Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- -1 alkyl carbon Chemical compound 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 4
- 239000000344 soap Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 150000001450 anions Chemical class 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000003933 environmental pollution control Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 18
- 239000011229 interlayer Substances 0.000 description 8
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 8
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- YFSUTJLHUFNCNZ-UHFFFAOYSA-M 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctane-1-sulfonate Chemical compound [O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YFSUTJLHUFNCNZ-UHFFFAOYSA-M 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 3
- 238000005349 anion exchange Methods 0.000 description 2
- 150000001449 anionic compounds Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229910001412 inorganic anion Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- MFBOGIVSZKQAPD-UHFFFAOYSA-M sodium butyrate Chemical compound [Na+].CCCC([O-])=O MFBOGIVSZKQAPD-UHFFFAOYSA-M 0.000 description 2
- UDWXLZLRRVQONG-UHFFFAOYSA-M sodium hexanoate Chemical compound [Na+].CCCCCC([O-])=O UDWXLZLRRVQONG-UHFFFAOYSA-M 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002891 organic anions Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to development of a novel environmental pollution control material, and provides an organic hydrotalcite modified through dianion surface active agents and a preparation method of the organic hydrotalcite. Some methods are provided to modify a hydrotalcite to obtain the organic hydrotalcite, but the conventional organic hydrotalcite has a better effect on absorbing some organic matters which have high hydrophobicity and has a worse effect on absorbing the organic matters which have better water solubility, therefore, application of the organic hydrotalcite is limited. According to the organic hydrotalcite and the preparation method provided by the invention, the anion surface active agents with long and short carbon chains are adopted to modify the hydrotalcite, the long and short carbon chains are staggered to each other, therefore, a higher specific surface area can be provided to the hydrotalcite, and absorbing performances to hydrophilic organic matters are improved.
Description
Technical field:
The present invention relates to the exploitation of environmental pollution control new material, relate in particular to a kind of surfactant-modified organic hydrotalcite and preparation method thereof that utilizes.
Background technology:
Layered di-hydroxyl composite metal oxidate (Layered Double Hydroxides is called for short LDH) claims again hydrotalcite, is the important inorganic functional material of a class.The adjustable sex change of the layer structure that it is unique and laminate element and interlayer anion gets more and more people's extensive concerning, introduce new object anion through ion-exchange to interlayer and can make layer structure and composition produce corresponding the variation, thereby can prepare the functional material that a large class has special nature.Hydrotalcite material belongs to anion type laminated compound.The compounds that lamellar compound refers to have layer structure, interlayer ion has interchangeability, utilize intercalation that the lamellar compound main body has and the interchangeability of interlayer ion under strong polar molecule effect, form layer-pillared compound thereby some functional guest species are introduced bedding voids and the laminate distance strutted.
The hydrotalcite chemical structure of general formula is: [M
2+ 1-xM
3+X (OH)
2]
X+[(A
N-)
X/nMH
2O], M wherein
2+Be Mg
2+, Ni
2+, Mn
2+, Zn
2+, Ca
2+, Fe
2+, Cu
2+Deng the divalent metal anion; M
3+Be Al
3+, Cr
3+, Fe
3+, Co
3+Deng the trivalent metal anion; A
N-Be anion, such as CO
3 2-, NO
3 -, Cl
-, OH
-, SO
4 2-, PO
4 3-, C
6H4 (COO)
2 2-Etc. inorganic and organic ion and complex ion, when the interlayer inorganic anion not simultaneously, the interlamellar spacing of hydrotalcite is different, after hydrotalcite adsorption fouling thing, interlamellar spacing also can increase, to hold more pollutant simultaneously.
Because it has interlayer anion interchangeability, the structure characteristics such as memory effect, the self assembly of main stor(e)y plate of caving in, the fields such as polymer composite, catalysis material, environmental improvement have been widely used in.After the interlayer inorganic anion was replaced by organic anion, interlayer became hydrophobicity by hydrophily, and organic absorption is become take distributional effects as main by absorption, and the efficient of Adsorption organic pollutants arrives hundred times than original soil high tens.Can effectively remove trichloro-ethylene, tetrachloro-ethylene etc. in the water body (Zhao H, Nagy K.J.Colloid Interface Sci., 2004,274 (2): 613-624) such as the MgAl-LDH after the SDS modification.
Hydrotalcite behind the process organic modification is owing to have preferably adsorption effect to the strong organic matter of partially hydrophobic, but for water-soluble preferably organic matter, such as phenol, effect is relatively poor, because the distributional effects Pyrogentisinic Acid is also not obvious, so limited in this respect the application of organic hydrotalcite.
Summary of the invention:
Problem to be solved by this invention is: hydrotalcite is less to the Adsorption of Organic amount in the prior art, and is especially little to the hydrophilic organics hydrophilicity adsorbance.
For solving this technical problem, technical scheme provided by the invention is:
The invention provides a kind of organic hydrotalcite, this organic hydrotalcite carries out modification by dianionic surfactant to hydrotalcite and obtains.
The dianionic surfactant here is respectively long carbochain anion surfactant and short carbon chain anion surfactant,
Wherein, as preferably: the alkyl carbon number that long carbochain anion surfactant is middle long chain type is at the alkylsulfonate more than 12;
As preferably: the short carbon chain anion surfactant is that the alkyl carbon number of middle long chain type is at the alkylsulfonate below 8 or soap.
The present invention also provides a kind of preparation method of above-mentioned organic hydrotalcite, and this preparation method is for utilizing dianionic surfactant that hydrotalcite is carried out modification, and concrete operations are:
(1) hydrotalcite is joined in the long carbochain anionic surfactant solution, heating is also stirred;
As preferably: the hydrotalcite granularity is 40 ~ 200 orders;
As preferably: the hydrotalcite dosage is that every gram hydrotalcite is added in the long carbochain anionic surfactant solution that 2mL concentration is 0.25 ~ 0.5mol/L;
As preferably: heating is also stirred and is, heating and stir 2 ~ 8h under 50～80 ℃ water-bath.
(2) in the solution that obtains to step (1), add the short carbon chain anion surfactant, heating is also stirred, with the product that obtains filter, washing, oven dry, by activation, grind, obtain the organic hydrotalcite of dianionic surfactant modification preparation.
As preferably: add 0.2 ~ 1mmol short carbon chain anion surfactant in every gram hydrotalcite;
As preferably: heating is also stirred and is, heating and stir 2 ~ 4h under 50～80 ℃ water-bath;
As preferably: activation act is, at 105 ~ 110 ℃ of lower activation 30min～5h;
As preferably: with the organic hydrotalcite product that obtains, after grinding, cross 50 ~ 100 mesh sieves.
The major influence factors of adsorb organic compound mainly contains two aspects: concerning the stronger organic pollution of hydrophobicity, major influence factors is the organic carbon content of adsorbent; For the stronger organic pollution of hydrophily, major influence factors is the specific area of absorption.The phosphorus content that increases adsorbent surface can improve adsorbent greatly to the adsorbance of hydrophobic organic compound, increases specific area and then can greatly improve adsorbent to the adsorbance of hydrophilic organics hydrophilicity.
Therefore, the invention has the beneficial effects as follows: press certain proportioning modified hydrotalcite with the anion surfactant of length carbochain respectively, long carbochain anion surfactant at first is fixed on the part inner surface of hydrotalcite by anion exchange, the anionic part exchange capacity is still left on remaining surface, the anion surfactant of this part anion exchange capacity and short carbon chain exchanges mutually, make the organic hydrotalcite of the dianionic surfactant modification with length carbochain, the length carbochain is interlaced, can obtain relatively large specific area, improve the absorption property to hydrophilic organics hydrophilicity.
The specific embodiment:
Embodiment 1
Hydrotalcite is crossed 200 mesh sieves, this hydrotalcite is joined in the long carbochain anionic surfactant sodium dodecylbenzene sulfonate solution that concentration is 0.25mol/L, and the neopelex liquor capacity that every gram hydrotalcite is corresponding is that 2mL is at 80 ℃ of stirred in water bath 8h; Add again short carbon chain anion surfactant perfluorooctane sulfonate, add 0.2mmol short carbon chain anion surfactant in every gram hydrotalcite, again at 80 ℃ of stirred in water bath reaction 4h, product washs with distilled water, after being filtered dry after filtration, 90 ℃ of lower oven dry, again 110 ℃ of lower activation 5 hours; Grind, cross 100 mesh sieves, make the organic hydrotalcite of dianionic surfactant modification preparation.
The hydrotalcite of the dianionic surfactant modification that makes is joined in the 25mg/L p-nitrophenol, and solid-liquid (quality) stirs 2h than being 1:2000, leave standstill 3h, precipitate and separate, ultraviolet-uisible spectrophotometer is measured supernatant liquor concentration, and clearance is 92.4%.
Total amount with the surfactant among the embodiment 1, all use the long carbochain anionic surfactant sodium dodecylbenzene sulfonate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 1, only is 62.5% to the clearance that contains the p-nitrophenol wastewater treatment under the same conditions.
Total amount with the surfactant among the embodiment 1, all use the short carbon chain anion surfactant perfluorooctane sulfonate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 2, only is 26.5% to the clearance that contains the p-nitrophenol wastewater treatment under the same conditions.
Under the same conditions, even successively with modified hydrotalcite product 1 and modified hydrotalcite product 2, the same p-nitrophenol waste water that contains is carried out twice processing, final clearance is 77.6%, also far below the clearance 92.4% in the embodiment of the invention 1, this shows, with dianion hydrotalcite is carried out modification simultaneously, can play significant effect.
Embodiment 2:
Hydrotalcite is crossed 40 mesh sieves, this hydrotalcite is joined in the long carbochain anion surfactant sodium dodecyl sulfate solution that concentration is 0.5mol/L, the sodium dodecyl sulfate solution volume that every gram hydrotalcite is corresponding is 2mL, at 50 ℃ of stirred in water bath 2h; Add short carbon chain anion surfactant sodium butyrate, every gram hydrotalcite adds 0.2mmol short carbon chain anion surfactant, again at 50 ℃ of stirred in water bath 2h again, product washs with distilled water, after being filtered dry after filtration, 90 ℃ of lower oven dry, again at 105 ℃ of lower activation 30min; Grind, cross 50 mesh sieves, make the organic hydrotalcite of dianionic surfactant modification preparation.
The hydrotalcite of the dianionic surfactant modification that makes is joined in the nitrobenzene of 25mg/L, and solid-liquid (quality) stirs 2h than being 1:2000, leaves standstill 3h, precipitate and separate, and ultraviolet-uisible spectrophotometer is measured supernatant liquor concentration, and clearance is 98.7%.
Total amount with the surfactant among the embodiment 2, all use the long carbochain anion surfactant dodecyl sodium sulfate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 1, only is 73.7% to the clearance of nitrobenzene-containing wastewater treatment under the same conditions.
Total amount with the surfactant among the embodiment 2, all use the short carbon chain anion surfactant sodium butyrate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 2, only is 22.7% to the clearance of nitrobenzene-containing wastewater treatment under the same conditions.
Under the same conditions, even successively with modified hydrotalcite product 1 and modified hydrotalcite product 2, same nitrobenzene-containing waste water is carried out twice processing, final clearance is 87.6%, is lower than the clearance 98.7% in the embodiment of the invention 2.
This shows, with dianion hydrotalcite is carried out modification simultaneously, can play significant effect.
Embodiment 3:
Hydrotalcite is crossed 100 mesh sieves, this hydrotalcite is joined in the long carbochain anion surfactant sodium cetanesulfonate solution that concentration is 0.25mol/L, the sodium cetanesulfonate liquor capacity that every gram hydrotalcite is corresponding is 2mL, at 60 ℃ of stirred in water bath 6h; Add short carbon chain anion surfactant sodium n-caproate, every gram hydrotalcite adds 1mmol short carbon chain anion surfactant, again at 80 ℃ of stirred in water bath 4h again, product washs with distilled water, after being filtered dry after filtration, 90 ℃ of lower oven dry, again 110 ℃ of lower activation 4 hours; Grind, cross 60 mesh sieves, make the organic hydrotalcite of dianionic surfactant modification preparation.
The hydrotalcite of the dianionic surfactant modification that makes is joined in the phenol of 25mg/L, and solid-liquid (quality) stirs 2h than being 1:2000, leaves standstill 3h, precipitate and separate, and ultraviolet-uisible spectrophotometer is measured supernatant liquor concentration, and clearance is 90.8%.
Total amount with the surfactant among the embodiment 3, all use the long carbochain anion surfactant sodium cetanesulfonate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 1, and the clearance of under the same conditions wastewater containing phenol being processed only is 46.2%.
Total amount with the surfactant among the embodiment 3, all use the short carbon chain anion surfactant sodium n-caproate of same amount to replace, under identical condition, the hydrotalcite that organises that makes is product 2, and the clearance of under the same conditions wastewater containing phenol being processed only is 40.7%.
Under the same conditions, even successively with modified hydrotalcite product 1 and modified hydrotalcite product 2, same wastewater containing phenol is carried out twice processing, final clearance is 80.6%, is lower than the clearance 90.8% in the embodiment of the invention 3.
This shows, with dianion hydrotalcite is carried out modification simultaneously, can play significant effect.
Comparative Examples:
Hydrotalcite is crossed 200 mesh sieves, this hydrotalcite is joined the long carbochain anionic surfactant sodium dodecylbenzene sulfonate solution that concentration is 0.1mol/L, the neopelex liquor capacity that every gram hydrotalcite is corresponding is 2mL, at 80 ℃ of stirred in water bath 8h; Add short carbon chain anion surfactant perfluorooctane sulfonate, every gram hydrotalcite adds 0.1mmol short carbon chain anion surfactant, again at 80 ℃ of stirred in water bath 4h again, product washs with distilled water, after being filtered dry after filtration, 90 ℃ of lower oven dry, again 110 ℃ of lower activation 5 hours; Grind, cross 100 mesh sieves, make the organic hydrotalcite of dianionic surfactant modification preparation.
The hydrotalcite of the dianionic surfactant modification that makes is joined in the 25mg/L p-nitrophenol, and solid-liquid (quality) stirs 2h than being 1:2000, leave standstill 3h, precipitate and separate, ultraviolet-uisible spectrophotometer is measured supernatant liquor concentration, and clearance only is 73.4%.
Compare with embodiment 1, in the present embodiment, because anionic surfactant concentration changes, cause clearance that significant decline is arranged, this shows in the claim, to the parameter limited range, to have obvious superiority.
Claims (10)
1. organic hydrotalcite, it is characterized in that: described organic hydrotalcite carries out modification by dianionic surfactant to hydrotalcite and obtains.
2. organic hydrotalcite as claimed in claim 1, it is characterized in that: described dianionic surfactant is respectively long carbochain anion surfactant and short carbon chain anion surfactant, wherein, growing the carbochain anion surfactant is that the alkyl carbon number of middle long chain type is at the alkylsulfonate more than 12; The short carbon chain anion surfactant is that the alkyl carbon number of middle long chain type is at the alkylsulfonate below 8 or soap.
3. such as the preparation method of each described organic hydrotalcite of claim 1 to 2, it is characterized in that: described preparation method is for utilizing dianionic surfactant that hydrotalcite is carried out modification.
4. the preparation method of organic hydrotalcite as claimed in claim 3, it is characterized in that the concrete operation step of described method is: (1) joins hydrotalcite in the long carbochain anionic surfactant solution, and heating is also stirred;
(2) in the solution that obtains to step (1), add the short carbon chain anion surfactant, heating is also stirred, with the product that obtains filter, washing, oven dry, by activation, grind, obtain the organic hydrotalcite of dianionic surfactant modification preparation.
5. the preparation method of organic hydrotalcite as claimed in claim 4, it is characterized in that: the hydrotalcite granularity described in the step (1) is 40 ~ 200 orders.
6. the preparation method of organic hydrotalcite as claimed in claim 4, it is characterized in that: the dosage of the hydrotalcite described in the step (1) is that every gram hydrotalcite is added in the long carbochain anionic surfactant solution that 2mL concentration is 0.25 ~ 0.5mol/L.
7. the preparation method of organic hydrotalcite as claimed in claim 4 is characterized in that: the heating described in the step (1) and stirring be, heating and stir 2 ~ 8h under 50～80 ℃ water-bath.
8. the preparation method of organic hydrotalcite as claimed in claim 4, it is characterized in that: the dosage of the short carbon chain anion surfactant described in the step (2) is to add 0.2 ~ 1mmol short carbon chain anion surfactant in every gram hydrotalcite.
9. the preparation method of organic hydrotalcite as claimed in claim 4 is characterized in that: the heating described in the step (2) and stirring be, heating and stir 2 ~ 4h under 50～80 ℃ water-bath.
10. the preparation method of organic hydrotalcite as claimed in claim 4 is characterized in that: the activation act described in the step (2) is, at 105 ~ 110 ℃ of lower activation 30min～5h.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817063A (en) * | 2015-05-07 | 2015-08-05 | 常州大学 | Preparation method of two-dimension nitrogen- and phosphorus-doped graphene |
| CN112426897A (en) * | 2020-10-31 | 2021-03-02 | 大连理工大学 | Body type condensation polymerization imidazole polymer mixed matrix membrane for gas separation and preparation method thereof |
| CN114275839A (en) * | 2021-12-27 | 2022-04-05 | 华夏碧水环保科技有限公司 | Method for removing sulfate radicals in water by adsorption of hydrotalcite-like material |
| CN114956306A (en) * | 2022-04-28 | 2022-08-30 | 南京大学 | Modified coupling denitrification biological filler and preparation method and application thereof |
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| CN101007285A (en) * | 2006-01-24 | 2007-08-01 | 中国科学院大连化学物理研究所 | Organic-inorganic hybrid hydrotalcite-like heteropoly acid-supported catalyst |
| CN102151544A (en) * | 2011-02-15 | 2011-08-17 | 湖南化工研究院 | Organic wastewater modified bentonite adsorbent and preparation method thereof |
| CN102167371A (en) * | 2011-01-11 | 2011-08-31 | 长治学院 | Preparation method of modified magnalium binary hydrotalcites and application of modified magnalium binary hydrotalcites in absorbing bisphenol A in water body |
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Patent Citations (3)
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| CN101007285A (en) * | 2006-01-24 | 2007-08-01 | 中国科学院大连化学物理研究所 | Organic-inorganic hybrid hydrotalcite-like heteropoly acid-supported catalyst |
| CN102167371A (en) * | 2011-01-11 | 2011-08-31 | 长治学院 | Preparation method of modified magnalium binary hydrotalcites and application of modified magnalium binary hydrotalcites in absorbing bisphenol A in water body |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817063A (en) * | 2015-05-07 | 2015-08-05 | 常州大学 | Preparation method of two-dimension nitrogen- and phosphorus-doped graphene |
| CN112426897A (en) * | 2020-10-31 | 2021-03-02 | 大连理工大学 | Body type condensation polymerization imidazole polymer mixed matrix membrane for gas separation and preparation method thereof |
| CN112426897B (en) * | 2020-10-31 | 2021-09-21 | 大连理工大学 | Body type condensation polymerization imidazole polymer mixed matrix membrane for gas separation and preparation method thereof |
| CN114275839A (en) * | 2021-12-27 | 2022-04-05 | 华夏碧水环保科技有限公司 | Method for removing sulfate radicals in water by adsorption of hydrotalcite-like material |
| CN114275839B (en) * | 2021-12-27 | 2022-10-25 | 华夏碧水环保科技股份有限公司 | Method for removing sulfate radicals in water by adsorption of hydrotalcite-like material |
| CN114956306A (en) * | 2022-04-28 | 2022-08-30 | 南京大学 | Modified coupling denitrification biological filler and preparation method and application thereof |
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| CN102872809B (en) | 2014-04-30 |
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