CN112791750A - Preparation method of ion exchange resin for sewage treatment - Google Patents
Preparation method of ion exchange resin for sewage treatment Download PDFInfo
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- CN112791750A CN112791750A CN202011574896.6A CN202011574896A CN112791750A CN 112791750 A CN112791750 A CN 112791750A CN 202011574896 A CN202011574896 A CN 202011574896A CN 112791750 A CN112791750 A CN 112791750A
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- ion exchange
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- exchange resin
- gelatin
- reaction
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- 239000003456 ion exchange resin Substances 0.000 title claims abstract description 28
- 229920003303 ion-exchange polymer Polymers 0.000 title claims abstract description 28
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 239000010865 sewage Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 82
- 108010010803 Gelatin Proteins 0.000 claims abstract description 33
- 229920000159 gelatin Polymers 0.000 claims abstract description 33
- 239000008273 gelatin Substances 0.000 claims abstract description 33
- 235000019322 gelatine Nutrition 0.000 claims abstract description 33
- 235000011852 gelatine desserts Nutrition 0.000 claims abstract description 33
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 31
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000035484 reaction time Effects 0.000 claims abstract description 29
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 22
- ZJQIXGGEADDPQB-UHFFFAOYSA-N 1,2-bis(ethenyl)-3,4-dimethylbenzene Chemical group CC1=CC=C(C=C)C(C=C)=C1C ZJQIXGGEADDPQB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 238000005670 sulfation reaction Methods 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 22
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 14
- 239000002954 polymerization reaction product Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 230000000379 polymerizing effect Effects 0.000 claims description 7
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 7
- 229920002261 Corn starch Polymers 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000008120 corn starch Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 239000000126 substance Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 24
- 229920005989 resin Polymers 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004321 preservation Methods 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/17—Organic material containing also inorganic materials, e.g. inert material coated with an ion-exchange resin
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a preparation method of ion exchange resin for sewage treatment, which relates to the field of resin, and comprises the following steps: s1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride; s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 60-100 ℃ and the reaction time at 1 hour to obtain the acetylated styrene polymer solution. The ion exchange resin for sewage treatment of the invention has better economic effect on sewage through sulfation reaction, compared with the common similar products sold in the market, the ion exchange resin has similar mass/volume exchange capacity, but lower price, excellent economic effect and better preservation degree of the regenerated mass/volume exchange capacity.
Description
Technical Field
The invention relates to the field of resin, in particular to a preparation method of ion exchange resin for sewage treatment.
Background
Ion exchange resins can be further classified into styrene resins and acrylic resins according to the types of the matrixes, the types of chemically active groups in the resins determine the main properties and types of the resins, and in practical use, the resins are often converted into other ion types for operation so as to meet various requirements.
The quality/volume exchange capacity performance of various resins sold in the market is obviously reduced after regeneration, so that the sewage treatment cost is increased, and the purchase cost of various resins sold in the market is extremely high due to high price.
Disclosure of Invention
The invention aims to: in order to solve the problems of high cost and large performance damage after regeneration of the existing sewage treatment, a preparation method of the ion exchange resin for sewage treatment is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of an ion exchange resin for sewage treatment comprises the following steps:
s1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature to be 60-100 ℃, and controlling the reaction time to be 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 30-90% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Preferably, the acetylated styrene is of formula (1).
Preferably, the gelatin may be replaced by corn starch mixed with water or the like.
Preferably, the refluxing solvent is a mixed solvent of isopropanol and acetonitrile.
Preferably, the aqueous solution of gelatin has a mass percent concentration of 2%.
Preferably, the particle size of the ferroferric oxide and the gamma ferric oxide is controlled within 20 nanometers and the plus-minus error is within 10 nanometers.
Compared with the prior art, the invention has the beneficial effects that:
the ion exchange resin for sewage treatment of the invention has better economic effect on sewage through sulfation reaction, compared with the common similar products sold in the market, the ion exchange resin has similar mass/volume exchange capacity, but lower price, excellent economic effect and better preservation degree of the regenerated mass/volume exchange capacity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
S1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 60 ℃ and the reaction time at 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 30% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Example 2
S1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 100 ℃ and the reaction time at 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 30% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Example 3
S1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 60 ℃ and the reaction time at 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 90% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Example 4
S1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 100 ℃ and the reaction time at 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 90% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Example 5
S1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature at 80 ℃ and the reaction time at 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 60% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
Example 6
Weak acid heavy metal wastewater discharged from a certain electroplating enterprise is extracted, fully mixed and averagely divided into 7 parts, the resins prepared in the embodiments 1, 2, 3, 4 and 5 of the invention are respectively used for treating sewage, and the mass/volume exchange capacity of the resins is measured by comparing with commercially available resins, namely, domestic 1 and domestic 2, and the results are shown in table 1.
Table 1: results of comparison of the resins obtained in examples 1, 2, 3, 4 and 5 with commercially available resins (Table values in mmol/ml)
As can be seen from Table 1, the mass/volume exchange capacity performance of the resins prepared in examples 3, 4 and 5 of the present invention for the weak acid heavy metal wastewater is similar to that of the commercially available resins, namely, domestic 1 and domestic 2, and both the mass/volume exchange capacity performance of the resins prepared in examples 3 and 4 of the present invention is above 4.2, the mass/volume exchange capacity performance of the resins prepared in examples 3 and 4 of the present invention for the weak acid heavy metal wastewater after primary regeneration is still above 4.0, the mass/volume exchange capacity performance of the resins prepared in example 3 and 4 of the resins prepared in example 3 after secondary regeneration is still 4.0, and the mass/volume exchange capacity performance of the resins prepared in domestic 2 for the weak acid heavy metal wastewater in the primary use is the highest, but the mass/volume exchange capacity performance of the resins prepared in example 3 after primary regeneration for the weak acid heavy metal wastewater is the same as that in example 3, and the mass/volume exchange capacity performance of the resins prepared in example 3 of the resins prepared in Can be similar to the commercial resin, but has good reproducibility, long service life, better economic effect and cost saving.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A preparation method of ion exchange resin for sewage treatment is characterized in that: the preparation method of the ion exchange resin for sewage treatment comprises the following steps:
s1, preparing 20 parts of acetylated styrene, 2 parts of azodiisobutyronitrile, 8 parts of divinylxylene, 220 parts of ferroferric oxide, 80 parts of gamma ferric oxide, 5 parts of gelatin and 0.5 part of dimethyl diallyl ammonium chloride;
s2, mixing the acetylated styrene with azodiisobutyronitrile and divinyl xylene, controlling the reaction temperature to be 60-100 ℃, and controlling the reaction time to be 1 hour to obtain an acetylated styrene polymer solution;
s3, adding ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride into the acetylated styrene polymer solution to enable the ratio of ferroferric oxide, gamma ferric oxide, gelatin and dimethyl diallyl ammonium chloride to reach 30-90% of the acetylated styrene polymer solution, carrying out polymerization reaction, controlling the reaction time to be 12 hours, and heating in a step heating mode;
s4, washing the polymerization reaction product, and polymerizing the polymerization reaction product with azodiisobutyronitrile, gelatin and isopropanol again, wherein the reaction time is controlled to be 1 hour;
s5, and mixing the reacted product according to a ratio of 1: adding ferroferric oxide and gamma ferric oxide according to the proportion of 0.5, carrying out polymerization reaction, controlling the reaction temperature at 75 ℃ and the reaction time at 12 hours, and washing after the reaction is finished;
s6, introducing sulfonic acid groups into the washed product to carry out sulfation reaction, thereby obtaining the ion exchange resin.
2. The method for preparing the ion exchange resin for sewage treatment according to claim 1, wherein the ion exchange resin comprises: the chemical formula of the acetylated styrene is shown as a formula (1).
3. The method for preparing the ion exchange resin for sewage treatment according to claim 1, wherein the ion exchange resin comprises: the gelatin can be replaced by corn starch mixed with water or other similar products.
4. The method for preparing the ion exchange resin for sewage treatment according to claim 1, wherein the ion exchange resin comprises: the mass percentage concentration of the aqueous solution of the gelatin is 2%.
5. The method for preparing the ion exchange resin for sewage treatment according to claim 1, wherein the ion exchange resin comprises: the particle size of the ferroferric oxide and the gamma ferric oxide is controlled within 20 nanometers, and the plus-minus error is within 10 nanometers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011574896.6A CN112791750A (en) | 2020-12-28 | 2020-12-28 | Preparation method of ion exchange resin for sewage treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011574896.6A CN112791750A (en) | 2020-12-28 | 2020-12-28 | Preparation method of ion exchange resin for sewage treatment |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053622A (en) * | 1991-01-29 | 1991-08-07 | 华南理工大学 | Preparation of magnetic macroporous ion-exchange resin for adsorption |
| KR20040026904A (en) * | 2002-09-26 | 2004-04-01 | 한국과학기술연구원 | Magnetic cation exchange resin and preparation method thereof |
| CN101440166A (en) * | 2007-11-22 | 2009-05-27 | 中国石油化工股份有限公司 | Composite magnetic cationic ion-exchange resin, and preparation and use thereof |
| CN107486254A (en) * | 2017-08-24 | 2017-12-19 | 江苏亚峰科技集团有限公司 | A kind of sewage disposal spent ion exchange resin |
| CN107973872A (en) * | 2017-12-11 | 2018-05-01 | 西南科技大学 | Nano ferriferrous oxide adulterates the preparation method of styrene diethylene benzene copoly mer hydrophobic catalyst carrier |
| CN108219087A (en) * | 2018-01-12 | 2018-06-29 | 南京大学 | A kind of acidproof high mechanical properties weak acid cation exchange microballoon resin of magnetic acrylic acid series and preparation method thereof |
-
2020
- 2020-12-28 CN CN202011574896.6A patent/CN112791750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053622A (en) * | 1991-01-29 | 1991-08-07 | 华南理工大学 | Preparation of magnetic macroporous ion-exchange resin for adsorption |
| KR20040026904A (en) * | 2002-09-26 | 2004-04-01 | 한국과학기술연구원 | Magnetic cation exchange resin and preparation method thereof |
| CN101440166A (en) * | 2007-11-22 | 2009-05-27 | 中国石油化工股份有限公司 | Composite magnetic cationic ion-exchange resin, and preparation and use thereof |
| CN107486254A (en) * | 2017-08-24 | 2017-12-19 | 江苏亚峰科技集团有限公司 | A kind of sewage disposal spent ion exchange resin |
| CN107973872A (en) * | 2017-12-11 | 2018-05-01 | 西南科技大学 | Nano ferriferrous oxide adulterates the preparation method of styrene diethylene benzene copoly mer hydrophobic catalyst carrier |
| CN108219087A (en) * | 2018-01-12 | 2018-06-29 | 南京大学 | A kind of acidproof high mechanical properties weak acid cation exchange microballoon resin of magnetic acrylic acid series and preparation method thereof |
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