CN107321394A - A kind of sewage disposal anion exchange resin preparation method - Google Patents
A kind of sewage disposal anion exchange resin preparation method Download PDFInfo
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- CN107321394A CN107321394A CN201710322260.4A CN201710322260A CN107321394A CN 107321394 A CN107321394 A CN 107321394A CN 201710322260 A CN201710322260 A CN 201710322260A CN 107321394 A CN107321394 A CN 107321394A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/08—Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/12—Macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/014—Ion-exchange processes in general; Apparatus therefor in which the adsorbent properties of the ion-exchanger are involved, e.g. recovery of proteins or other high-molecular compounds
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses a kind of sewage disposal anion exchange resin preparation method, by formaldehyde, waterglass is added dropwise thereto under stirring, regulation system pH value, heating stirring, adds urea, heating stirring, adds melamine, lauroylamidopropyl betaine and continues to stir, add water and mix, copper-bath is added dropwise, follow-up continuous stirring completely is added dropwise, using sodium hydroxide regulation system pH value, plus ascorbic acid solution stirring, centrifuge, washing, dry, obtain the first prefabricated material；Macropore chloromethylated polystyrene resin is sent into DMF and is swelled, alcohol amine compound, the first prefabricated material is added, heating stirring cools, and washing obtains the second prefabricated material；In ice-water bath, thionyl chloride is added dropwise into the second prefabricated material, heats up, is incubated, cools, washs, filtering obtains the 3rd prefabricated material；It will be swelled in 3rd prefabricated material feeding isobutanol, add three pungent decyl reactive tertiary amines and obtain sewage disposal anion exchange resin.
Description
Technical field
The present invention relates to ion-exchange resin technique field, more particularly to a kind of sewage disposal anion exchange resin system
Preparation Method.
Background technology
It is cloudy with alkalescent that anion exchange resin can be divided into strong-base anion-exchange resin according to the property of cation exchange groups
Ion exchange resin, it is anion exchange resin intensity height, superior performance, widely used, available for sewage treatment area.But at present
The polystyrene exchanger resin exchange capacity of production is small, can not meet sewage disposal process to the demand of exchange capacity, it is necessary to frequency
It is numerous to change, waste time and energy, cost is high.
The content of the invention
The present invention proposes a kind of sewage disposal anion exchange resin preparation method, gained sewage disposal anion
Exchanger resin exchange capacity is big, can meet demand of the sewage disposal process to exchange capacity, is not required to frequently replacing, and cost is low.
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by formaldehyde, be added dropwise waterglass under stirring thereto, regulation system pH value is 8-8.8, heating stirring, plus
Enter urea, heating stirring adds melamine, lauroylamidopropyl betaine and continues to stir, adds water and mix, sulphur is added dropwise
Sour copper solution, is added dropwise follow-up continuous stirring completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus ascorbic acid solution is stirred
Mix, centrifuge, wash, dry, obtain the first prefabricated material；
S2, will macropore chloromethylated polystyrene resin send into DMF in be swelled, add alcohol amine compounds
Thing, the first prefabricated material, heating stirring, cool, and washing obtains the second prefabricated material；In ice-water bath, it is added dropwise into the second prefabricated material
Thionyl chloride, heats up, and is incubated, and cools, and washs, and filtering obtains the 3rd prefabricated material；
It S3, will be swelled in the 3rd prefabricated material feeding isobutanol, and add three pungent decyl reactive tertiary amines and obtain sewage disposal use
Anion exchange resin.
Preferably, in S1, by weight by 30-50 parts of formaldehyde, 10-20 parts of waterglass are added dropwise thereto under stirring,
Regulation system pH value is 8-8.8, heating stirring, adds 4-8 part urea, heating stirring, 2-4 parts of melamines of addition, 2-4 parts months
Osmanthus amido propyl betaine continues to stir, and adds 30-50 parts of water and mixes, and it is 1.8-2.5wt% sulfuric acid that 4-8 parts of concentration, which are added dropwise,
Copper solution, is added dropwise follow-up continuous stirring completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 4-8 parts of concentration are 2-4%
Ascorbic acid solution is stirred, and is centrifuged, and is washed, and is dried, is obtained the first prefabricated material.
Preferably, in S1, by weight by 30-50 parts of formaldehyde, 10-20 parts of waterglass are added dropwise thereto under stirring,
Regulation system pH value is 8-8.8, in 60-70 DEG C of stirring 40-50min of temperature, 4-8 parts of urea is added, in 85-88 DEG C of stirring of temperature
15-25min, adds 2-4 parts of melamines, 2-4 parts of lauroylamidopropyl betaines and continues to stir 6-12min, add 30-50 parts
Water mixes 4-8h, and it is 1.8-2.5wt% copper-baths that 4-8 parts of concentration, which are added dropwise, and follow-up continuous stirring 10- completely is added dropwise
15min, uses sodium hydroxide regulation system pH value for 8-8.4, plus 4-8 parts of concentration are that 2-4% ascorbic acid solutions stir 10-
20min, is centrifuged, and is washed, and is dried, is obtained the first prefabricated material.
Preferably, in S2,30-50 parts of macropore chloromethylated polystyrene resins are sent into 120-160 parts of N, N by weight
It is swelled in dimethylformamide, adds 1-2 parts of alcohol amine compounds, the prefabricated material of 4-8 parts first, heating stirring cools, and washing is obtained
To the second prefabricated material；In ice-water bath, 15-25 parts of thionyl chlorides are added dropwise into the second prefabricated material, heat up, are incubated, cooling is washed
Wash, filter, obtain the 3rd prefabricated material.
Preferably, in S2,30-50 parts of macropore chloromethylated polystyrene resins are sent into 120-160 parts of N, N by weight
4-8h is swelled in dimethylformamide, 1-2 parts of alcohol amine compounds, the prefabricated material of 4-8 parts first are added, in 60-70 DEG C of stirring of temperature
14-18h, cools, and washing obtains the second prefabricated material；In ice-water bath, 15-25 parts of thionyl chlorides are added dropwise into the second prefabricated material,
60-70 DEG C of insulation 4-8h is warming up to, cools, washs, filtering obtains the 3rd prefabricated material.
Preferably, in S2, alcohol amine compound is the one or more of monoethanolamine, normal propyl alcohol amine and diethanol amine.
Preferably, in S3, the prefabricated material of 50-60 parts the 3rd is sent into 100-140 parts of isobutanols be swelled by weight, added
The pungent decyl reactive tertiary amine of 16-24 parts three, obtains sewage disposal anion exchange resin.
Preferably, in S3, the prefabricated material of 50-60 parts the 3rd is sent into 100-140 parts of isobutanols be swelled 10- by weight
16h, adds the pungent decyl reactive tertiary amine 25-45h of 16-24 parts three, obtains sewage disposal anion exchange resin.
The present invention has bigger serface and high porosity, enough adsorption sites can be provided for sorbing material, in dirt
In water treatment procedure, there is specific Selective adsorption for heavy metal ion, the Sewage Environment of complexity can be dealt with, operation is used
Simply, advantages of good adsorption effect.
In first prefabricated material, formaldehyde and waterglass, urea form large-scale netted containing silicon oxygen bond by addition, condensation
Structure, and lauroylamidopropyl betaine therein reacts with copper sulphate, sodium hydroxide and ascorbic acid, can be formed with duct
Structure nano microballoon, not only bactericidal effect is good for product, and specific surface area is big, and adsorption activity is high, can not only promote in preparation process
Each storeroom is uniformly dispersed strong, and has been provided with higher adsorption activity in itself, the resin specific surface area of preparation is high, and
Uniform pore diameter is suitable, not only significantly improves the exchange capacity of resin, the especially adsorption activity to heavy metal ion in drinking water
Height, and resin property is stable, synthesis yield is high, bactericidal effect is good and environment-friendly.Adsorption operations of the present invention are simple, absorption speed
Rate is fast, and selectivity is high, is firmly combined between carrier, can be eluted after absorption completely, and easily desorption, easily regeneration, and can realize anti-
Multiple, recycling.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by formaldehyde, be added dropwise waterglass under stirring thereto, regulation system pH value is 8-8.8, heating stirring, plus
Enter urea, heating stirring adds melamine, lauroylamidopropyl betaine and continues to stir, adds water and mix, sulphur is added dropwise
Sour copper solution, is added dropwise follow-up continuous stirring completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus ascorbic acid solution is stirred
Mix, centrifuge, wash, dry, obtain the first prefabricated material；
S2, will macropore chloromethylated polystyrene resin send into DMF in be swelled, add alcohol amine compounds
Thing, the first prefabricated material, heating stirring, cool, and washing obtains the second prefabricated material；In ice-water bath, it is added dropwise into the second prefabricated material
Thionyl chloride, heats up, and is incubated, and cools, and washs, and filtering obtains the 3rd prefabricated material；
It S3, will be swelled in the 3rd prefabricated material feeding isobutanol, and add three pungent decyl reactive tertiary amines and obtain sewage disposal use
Anion exchange resin.
Embodiment 2
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by weight by 30 parts of formaldehyde, 20 parts of waterglass are added dropwise under stirring thereto, regulation system pH value is 8-
8.8, stir 50min in temperature 60 C, add 4 parts of urea, in 88 DEG C of temperature stirring 15min, add 4 parts of melamines, 2 parts months
Osmanthus amido propyl betaine continues to stir 12min, adds 30 parts of water and mixes 8h, and it is 2.5wt% copper sulphate that 4 parts of concentration, which are added dropwise,
Solution, is added dropwise follow-up continuous stirring 10min completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 8 parts of concentration are 2% anti-
Bad hematic acid solution stirs 20min, centrifuges, and washs, and dries, obtains the first prefabricated material；
S2, by weight will 30 parts of macropore chloromethylated polystyrene resins send into it is molten in 160 parts of DMFs
Swollen 4h, adds 2 parts of alcohol amine compounds, 4 part of first prefabricated material, and 14h is stirred in temperature 70 C, cools, and washing obtains second prefabricated
Material；In ice-water bath, 25 parts of thionyl chlorides are added dropwise into the second prefabricated material, is warming up to 60 DEG C of insulation 8h, cools, wash, filtering,
Obtain the 3rd prefabricated material；
S3,50 part of the 3rd prefabricated material is sent into 10h will be swelled in 140 parts of isobutanols by weight, add 24 part of three pungent decane
Base reactive tertiary amine 25h, obtains sewage disposal anion exchange resin.
Embodiment 3
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by weight by 50 parts of formaldehyde, 10 parts of waterglass are added dropwise under stirring thereto, regulation system pH value is 8-
8.8, stir 40min in temperature 70 C, add 8 parts of urea, in 85 DEG C of temperature stirring 25min, add 2 parts of melamines, 4 parts months
Osmanthus amido propyl betaine continues to stir 6min, adds 50 parts of water and mixes 4h, and it is 1.8wt% copper sulphate that 8 parts of concentration, which are added dropwise,
Solution, is added dropwise follow-up continuous stirring 15min completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 4 parts of concentration are 4% anti-
Bad hematic acid solution stirs 10min, centrifuges, and washs, and dries, obtains the first prefabricated material；
S2, by weight will 50 parts of macropore chloromethylated polystyrene resins send into it is molten in 120 parts of DMFs
Swollen 8h, adds 1 part of alcohol amine compound, 8 part of first prefabricated material, and 18h is stirred in temperature 60 C, cools, and washing obtains second prefabricated
Material；In ice-water bath, 15 parts of thionyl chlorides are added dropwise into the second prefabricated material, is warming up to 70 DEG C of insulation 4h, cools, wash, filtering,
Obtain the 3rd prefabricated material；
S3,60 part of the 3rd prefabricated material is sent into 16h will be swelled in 100 parts of isobutanols by weight, add 16 part of three pungent decane
Base reactive tertiary amine 45h, obtains sewage disposal anion exchange resin.
Embodiment 4
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by weight by 35 parts of formaldehyde, 18 parts of waterglass are added dropwise under stirring thereto, regulation system pH value is 8-
8.8, in 62 DEG C of stirring 47min of temperature, 5 parts of urea are added, in 87 DEG C of stirring 18min of temperature, 3.5 parts of melamines, 2.5 are added
Part lauroylamidopropyl betaine continues to stir 10min, adds 35 parts of water and mixes 7h, 5 parts of concentration of dropwise addition are 2.2wt% sulphur
Sour copper solution, is added dropwise follow-up continuous stirring 12min completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 7 parts of concentration are
2.5% ascorbic acid solution stirs 17min, centrifuges, and washs, and dries, obtains the first prefabricated material；
S2, by weight will 35 parts of macropore chloromethylated polystyrene resins send into it is molten in 150 parts of DMFs
Swollen 5h, adds 1.8 parts of alcohol amine compounds, 5 part of first prefabricated material, in 68 DEG C of stirring 15h of temperature, cools, washing obtains second pre-
System material；In ice-water bath, 22 parts of thionyl chlorides are added dropwise into the second prefabricated material, is warming up to 62 DEG C of insulation 7h, cools, washing, mistake
Filter, obtains the 3rd prefabricated material；
S3,52 part of the 3rd prefabricated material is sent into 12h will be swelled in 130 parts of isobutanols by weight, add 22 part of three pungent decane
Base reactive tertiary amine 30h, obtains sewage disposal anion exchange resin.
Embodiment 5
A kind of sewage disposal anion exchange resin preparation method proposed by the present invention, comprises the following steps：
S1, by weight by 45 parts of formaldehyde, 12 parts of waterglass are added dropwise under stirring thereto, regulation system pH value is 8-
8.8, in 68 DEG C of stirring 45min of temperature, 7 parts of urea are added, in 86 DEG C of stirring 22min of temperature, 2.5 parts of melamines, 3.5 are added
Part lauroylamidopropyl betaine continues to stir 8min, adds 45 parts of water and mixes 5h, 7 parts of concentration of dropwise addition are 2wt% sulfuric acid
Copper solution, is added dropwise follow-up continuous stirring 14min completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus 5 parts of concentration are
3.5% ascorbic acid solution stirs 15min, centrifuges, and washs, and dries, obtains the first prefabricated material；
S2, by weight will 45 parts of macropore chloromethylated polystyrene resins send into it is molten in 130 parts of DMFs
Swollen 7h, adds 1.2 parts of alcohol amine compounds, 7 part of first prefabricated material, in 62 DEG C of stirring 17h of temperature, cools, washing obtains second pre-
System material；In ice-water bath, 18 parts of thionyl chlorides are added dropwise into the second prefabricated material, is warming up to 66 DEG C of insulation 5h, cools, washing, mistake
Filter, obtains the 3rd prefabricated material；
S3,58 part of the 3rd prefabricated material is sent into 14h will be swelled in 110 parts of isobutanols by weight, add 18 part of three pungent decane
Base reactive tertiary amine 40h, obtains sewage disposal anion exchange resin.
Performance test is carried out with anion exchange resin to the gained sewage disposal of embodiment 5, test result is as shown in the table：
| Lab work | Character |
| Outward appearance | It is faint yellow |
| Water content % | 51.8 |
| Highly basic exchange capacity mmol/g | 4.9meq/g does agent |
| Weak base exchange capacity mmol/g | 3.0meq/g does agent |
| Rate of small round spheres % after mill | 98.4 |
| Ooze mill rate of small round spheres % | 96.9 |
| Granularity (0.63-1.10) mm% | 98.3 |
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of sewage disposal anion exchange resin preparation method, it is characterised in that comprise the following steps：
S1, by formaldehyde, waterglass is added dropwise under stirring thereto, regulation system pH value is 8-8.8, and heating stirring adds urine
Element, heating stirring adds melamine, lauroylamidopropyl betaine and continues to stir, adds water and mix, copper sulphate is added dropwise
Solution, is added dropwise follow-up continuous stirring completely, uses sodium hydroxide regulation system pH value for 8-8.4, plus ascorbic acid solution stirring, from
The heart is separated, and is washed, and is dried, is obtained the first prefabricated material；
S2, macropore chloromethylated polystyrene resin sent into DMF and be swelled, add alcohol amine compound, the
One prefabricated material, heating stirring, cools, and washing obtains the second prefabricated material；In ice-water bath, chlorination is added dropwise into the second prefabricated material
Sulfoxide, heats up, and is incubated, and cools, and washs, and filtering obtains the 3rd prefabricated material；
S3, will be swelled in the 3rd prefabricated material feeding isobutanol, add three pungent decyl reactive tertiary amines obtain sewage disposal the moon from
Sub-exchange resin.
2. sewage disposal anion exchange resin preparation method according to claim 1, it is characterised in that in S1, by weight
Part is measured by 30-50 part formaldehyde, 10-20 part waterglass are added dropwise under stirring thereto, regulation system pH value is 8-8.8, is heated up
Stirring, adds 4-8 parts of urea, and heating stirring adds 2-4 parts of melamines, 2-4 parts of lauroylamidopropyl betaines and continues to stir
Mix, add 30-50 parts of water and mix, it is 1.8-2.5wt% copper-baths that 4-8 parts of concentration, which are added dropwise, be added dropwise completely follow-up continuous
Stirring, uses sodium hydroxide regulation system pH value for 8-8.4, plus 4-8 parts of concentration stir for 2-4% ascorbic acid solutions, centrifugation
Separation, is washed, and is dried, is obtained the first prefabricated material.
3. sewage disposal according to claim 1 or claim 2 anion exchange resin preparation method, it is characterised in that in S1, press
10-20 parts of waterglass are added dropwise in 30-50 parts of formaldehyde by parts by weight thereto under stirring, regulation system pH value is 8-8.8,
60-70 DEG C of stirring 40-50min of temperature, adds 4-8 parts of urea, in 85-88 DEG C of stirring 15-25min of temperature, adds 2-4 parts of trimerizations
Cyanamide, 2-4 parts of lauroylamidopropyl betaines continue to stir 6-12min, add 30-50 parts of water and mix 4-8h, 4-8 is added dropwise
Part concentration is 1.8-2.5wt% copper-baths, follow-up continuous stirring 10-15min completely is added dropwise, using sodium hydroxide regulation system
PH value is 8-8.4, plus 4-8 parts of concentration are that 2-4% ascorbic acid solutions stir 10-20min, centrifuge, wash, dry, obtain
To the first prefabricated material.
4. according to any one of claim 1-3 sewage disposal anion exchange resin preparation methods, it is characterised in that S2
In, 30-50 parts of macropore chloromethylated polystyrene resins are sent into by weight molten in 120-160 parts of DMFs
It is swollen, 1-2 parts of alcohol amine compounds, the prefabricated material of 4-8 parts first are added, heating stirring cools, and washing obtains the second prefabricated material；In ice
In water-bath, 15-25 parts of thionyl chlorides are added dropwise into the second prefabricated material, heat up, are incubated, cool, wash, filtering obtains the 3rd pre-
System material.
5. according to any one of claim 1-4 sewage disposal anion exchange resin preparation methods, it is characterised in that S2
In, 30-50 parts of macropore chloromethylated polystyrene resins are sent into by weight molten in 120-160 parts of DMFs
Swollen 4-8h, adds 1-2 parts of alcohol amine compounds, the prefabricated material of 4-8 parts first, in 60-70 DEG C of stirring 14-18h of temperature, cools, washing,
Obtain the second prefabricated material；In ice-water bath, 15-25 parts of thionyl chlorides are added dropwise into the second prefabricated material, 60-70 DEG C of insulation is warming up to
4-8h, cools, and washs, and filtering obtains the 3rd prefabricated material.
6. according to any one of claim 1-5 sewage disposal anion exchange resin preparation methods, it is characterised in that S2
In, alcohol amine compound is the one or more of monoethanolamine, normal propyl alcohol amine and diethanol amine.
7. according to any one of claim 1-6 sewage disposal anion exchange resin preparation methods, it is characterised in that S3
In, the prefabricated material of 50-60 parts the 3rd is sent into 100-140 parts of isobutanols be swelled by weight, add the pungent decyl of 16-24 parts three
Reactive tertiary amine, obtains sewage disposal anion exchange resin.
8. according to any one of claim 1-7 sewage disposal anion exchange resin preparation methods, it is characterised in that S3
In, the prefabricated material of 50-60 parts the 3rd is sent into 10-16h is swelled in 100-140 parts of isobutanols by weight, add 16-24 parts three pungent
Decyl reactive tertiary amine 25-45h, obtains sewage disposal anion exchange resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710322260.4A CN107321394A (en) | 2017-05-09 | 2017-05-09 | A kind of sewage disposal anion exchange resin preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322260.4A CN107321394A (en) | 2017-05-09 | 2017-05-09 | A kind of sewage disposal anion exchange resin preparation method |
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| CN107321394A true CN107321394A (en) | 2017-11-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167416A (en) * | 2010-02-26 | 2011-08-31 | 上海图和环保材料科技有限公司 | Novel printing and dyeing wastewater treatment agent and preparation method thereof |
| CN102189008A (en) * | 2011-04-11 | 2011-09-21 | 常州大学 | Novel strongly and weakly alkaline anion exchange resin and preparation method thereof |
| CN103965425A (en) * | 2013-02-02 | 2014-08-06 | 王笑康 | Preparation method for water-glass modified amino resin |
| CN105417573A (en) * | 2015-12-10 | 2016-03-23 | 齐齐哈尔大学 | Method for preparing Cu2O nano-microsphere by utilizing lauramidopropyl betaine |
-
2017
- 2017-05-09 CN CN201710322260.4A patent/CN107321394A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167416A (en) * | 2010-02-26 | 2011-08-31 | 上海图和环保材料科技有限公司 | Novel printing and dyeing wastewater treatment agent and preparation method thereof |
| CN102189008A (en) * | 2011-04-11 | 2011-09-21 | 常州大学 | Novel strongly and weakly alkaline anion exchange resin and preparation method thereof |
| CN103965425A (en) * | 2013-02-02 | 2014-08-06 | 王笑康 | Preparation method for water-glass modified amino resin |
| CN105417573A (en) * | 2015-12-10 | 2016-03-23 | 齐齐哈尔大学 | Method for preparing Cu2O nano-microsphere by utilizing lauramidopropyl betaine |
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