CN109575185A - The preparation of fluorided-modified hydrophobicity amphoteric organic polymer coargulator and product and application - Google Patents
The preparation of fluorided-modified hydrophobicity amphoteric organic polymer coargulator and product and application Download PDFInfo
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- CN109575185A CN109575185A CN201811591465.3A CN201811591465A CN109575185A CN 109575185 A CN109575185 A CN 109575185A CN 201811591465 A CN201811591465 A CN 201811591465A CN 109575185 A CN109575185 A CN 109575185A
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- 229920000620 organic polymer Polymers 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 21
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000010148 water-pollination Effects 0.000 claims abstract description 8
- 238000010528 free radical solution polymerization reaction Methods 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 16
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 12
- 239000001530 fumaric acid Substances 0.000 claims description 11
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 9
- 230000000977 initiatory effect Effects 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 5
- 229910002567 K2S2O8 Inorganic materials 0.000 claims description 4
- 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 description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims 1
- 238000005189 flocculation Methods 0.000 abstract description 18
- 239000010802 sludge Substances 0.000 abstract description 15
- 230000016615 flocculation Effects 0.000 abstract description 14
- 239000010801 sewage sludge Substances 0.000 abstract description 9
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009428 plumbing Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 230000003311 flocculating effect Effects 0.000 abstract description 4
- 125000000129 anionic group Chemical group 0.000 abstract description 3
- 150000001768 cations Chemical class 0.000 abstract description 3
- 239000010842 industrial wastewater Substances 0.000 abstract description 3
- 239000000701 coagulant Substances 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 10
- 238000004043 dyeing Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- -1 propylene Amide Chemical class 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002846 particulate organic matter Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/02—Acids; Metal salts or ammonium salts thereof, e.g. maleic acid or itaconic acid
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to a kind of fluorided-modified preparation method of hydrophobicity amphoteric organic polymer coargulator and products thereof and applications, by introducing hydrophobic grouping, hydrophobicity amphoteric polyacrylamide flocculant is prepared using water solution polymerization process, reduce the hydrophily of organic polymer coargulator, it improves to reducing moisture percentage in sewage sludge while the adsorption-flocculation ability of suspended particulate in sewage, and meets the needs of sludge dewatering.The hydrophobicity amphoteric not only contains hydrophobic grouping, the characteristics of also having both cation and anionic group, the scope of application is wider, it is acted on by charge neutrality and adsorption bridging, effectively shorten the flocculating setting time, coagulant precipitation effect is prominent, can reduce flocculation sludge water content to the maximum extent, reduce subsequent treatment process load, there is very useful application value to the pretreatment of industrial wastewater and plumbing.
Description
Technical field
The present invention relates to a kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator and its
The hydrophily of flocculant can be effectively reduced in product and application, improves flocculating effect, reduces moisture percentage in sewage sludge, is used for water pollution
Preprocessing technical field.
Background technique
Coagulant sedimentation be widely used in water process, a kind of lower physical chemistry side of easy to operate and processing cost
Method.In plumbing or wastewater treatment, flocculence is all important one of operation, there is important influence to whole process.With
The physico-chemical process such as flocculation sedimentation pre-process trade effluent, can effectively remove the suspended particulate in waste water, reduce in sewage
COD, NH3- N, heavy metal ion and coloration etc. improve the biodegradability of waste water.But flocculant method handles waste water meeting at present
A large amount of high-moisture sludge is generated, therefore this cost that will increase later period transport and the processing of sludge researches and develops novel wadding
Solidifying agent is very necessary to substitute traditional flocculant.
Hydrophobically modified is carried out to flocculant, not only can particulate matter to suspended state in water and organic matter there is preferable inhale
Attached ability, reduces the hydrophily of wadding body, accelerates floc settling velocity, and can reduce the aqueous of by-product sludge after flocculation
Amount, makes sludge reduction, effectively lowers the processing cost of subsequent sludge, this has huge hair to the industrial applications of flocculant
Exhibition prospect.This patent carries out hydrophobically modified to both sexes organic flocculant polyacrylamide using fluoride, can not only effectively improve
Flocculant reduces flocculation sludge moisture content, and easy to operate, to Industry Waste to the treatment effect of suspended matter in water and organic matter
The pretreatment of water and plumbing has very useful value.
Summary of the invention
For the problem that moisture percentage in sewage sludge is high after conventional flocculant process, post processing cost, the object of the invention are increased
It is to provide a kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator.
Another object of the present invention is: the fluorided-modified hydrophobicity amphoteric for providing a kind of above method preparation has
Machine polymeric flocculant products.
Another object of the present invention is to: a kind of application of the said goods is provided.
The object of the invention is realized by following proposal: a kind of fluorided-modified hydrophobicity amphoteric organic polymer flocculation
The preparation method of agent, by introducing hydrophobic grouping, using water solution polymerization process preparation hydrophobicity amphoteric polyacrylamide flocculation
Agent, reduces the hydrophily of organic polymer coargulator, improves to reducing while the adsorption-flocculation ability of suspended particulate in sewage
Moisture percentage in sewage sludge, the specific steps are as follows:
(1) under certain temperature and magnetic agitation, by the monomer diallyldimethylammonChloride Chloride of certain total mass fraction, propylene
Amide, fumaric acid and fluoride are placed in four-neck flask flask, make the dimethyl diallyl ammonium chloride, acryloyl
Amine, fumaric total mass fraction are 15%~25%, dimethyl diallyl ammonium chloride, acrylamide, fumaric acid
Molar ratio be 1:(2~4): 24, the dosage of fluoride is 0.7%, and adjusting pH is neutrality, after vacuumizing, and is passed through nitrogen；
(2) after being stirred letting nitrogen in and deoxidizing 30min, hydrophobic grouping butyl acrylate and initiator K is added2S2O8Or K2S2O8-
Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and it is organic high that fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
Molecular polypropylene amide product.
The reaction temperature of the step (1) is 30 ~ 60 DEG C, and pH is 5~7.
The mass fraction of step (2) the hydrophobic grouping butyl acrylate is 0.3%, and the fluoride is NaF or HF.
The initiator amount is 0.3%~0.8%.
The dosage of the butyl acrylate is 0.3%.
The present invention provides a kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, special
Sign is that specific step is as follows:
(1) firstly, under 30 DEG C and magnetic agitation, by total mass fraction be 20% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
5, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.5% initiation is added
Agent K2S2O8, cooling purifies after polymerization keeps the temperature 12h, and it is organic that fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
High polymer polyacrylamide product.
The present invention provides a kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, special
Sign is that specific step is as follows:
(1) firstly, under 60 DEG C and magnetic agitation, by total mass fraction be 25% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
7, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.3% initiation is added
Agent K2S2O8-Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and fluorided-modified hydrophobicity both sexes can be obtained after drying and grinding
Type organic polymer polyacrylamide product.
The present invention provides a kind of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, according to any of the above-described institute
The method of stating is prepared.
The present invention provides the fluorided-modified hydrophobicity amphoteric organic polymer coargulator of one kind in removal dyeing waste water
SS in application.
The preparation method of the fluorided-modified hydrophobicity amphoteric organic polymer coargulator of one kind of the present invention, can
With for solving the problems, such as that the moisture content of flocculation sludge in flocculation process is high, and improve flocculation treatment effect.It is hydrophobic by introducing
Group prepares hydrophobicity amphoteric polyacrylamide flocculant using water solution polymerization process, reduces organic polymer coargulator
Hydrophily is improved to reducing moisture percentage in sewage sludge while the adsorption-flocculation ability of suspended particulate in sewage.
By carrying out hydrophobically modified to flocculant, the water content of by-product sludge after flocculation can be not only reduced, sludge is made
Minimizing, and particulate matter to suspended state in water and organic matter have preferable adsorption capacity, have biggish development potentiality
And application prospect.
The preparation method of the fluorided-modified hydrophobicity amphoteric organic polymer coargulator of one kind proposed by the present invention, is adopted
Acrylamide, cationic monomer and anionic monomer are merely able to be copolymerized in aqueous solution with initiator, it is organic high to obtain amphoteric
Molecular flocculant polyacrylamide, and hydrophobically modified is carried out to it, effectively improve the particulate matter and organic matter of suspended state in water
Adsorption capacity reduces the hydrophily of wadding body, makes sludge reduction, effectively lowers the processing cost of subsequent sludge, to industrial wastewater
And the pretreatment of plumbing has very useful value.
The preparation method of the fluorided-modified hydrophobicity amphoteric organic polymer coargulator of one kind proposed by the present invention, makes
Obtain has cation and anionic group simultaneously on the strand of both sexes organic polymer coargulator, can handle and with both positive and negative
The effluent sewage of charge is acted on by " charge neutrality " and " adsorption bridging ", generates indissoluble object, not only dosage is few, but also flocculating setting
Speed is fast.It is proposed by the present invention that hydrophobicity amphoteric organic polymer coargulator is handled using fluoride, it can be effective
The conversion ratio and molecular weight for preparing flocculant are improved, to obtain excellent flocculation treatment effect.
Hydrophobicity amphoteric polyacrylamide flocculant is prepared using water solution polymerization process, by introducing hydrophobic grouping, drop
The hydrophily of low organic polymer coargulator, enhancing flocculation net catch bridging action, improve the absorption to suspended particulate in sewage and wad a quilt with cotton
Solidifying ability, and meet the needs of sludge dewatering.The hydrophobicity amphoteric not only contains hydrophobic grouping, also have both cation and yin from
The characteristics of subbase group, the scope of application is wider, is acted on by charge neutrality and adsorption bridging, effectively shortens the flocculating setting time, coagulation
Effect of settling is prominent, can reduce flocculation sludge water content to the maximum extent, reduces subsequent treatment process load, to industrial wastewater with
And the pretreatment of plumbing has very useful application value.
Specific embodiment
By embodiment, the present invention is described further.
Embodiment 1:
A kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, by introducing hydrophobic grouping,
Hydrophobicity amphoteric polyacrylamide flocculant is prepared using water solution polymerization process, reduces the hydrophilic of organic polymer coargulator
Property, as follows:
(1) firstly, under 60 DEG C and magnetic agitation, by total mass fraction be 15% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
7, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.5% initiation is added
Agent K2S2O8, cooling purifies after polymerization keeps the temperature 12h, and it is organic that fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
High polymer polyacrylamide product.Prepared fluorided-modified hydrophobicity amphoteric organic polymer polyacrylamide flocculation
Agent is 63.1 %, moisture percentage in sewage sludge 56% to the removal rate of the SS of dyeing waste water.
Embodiment 2:
A kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, it is approximate with embodiment 1, by such as
Lower step:
(1) firstly, under 30 DEG C and magnetic agitation, by total mass fraction be 20% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
5, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.5% initiation is added
Agent K2S2O8, cooling purifies after polymerization keeps the temperature 12h, and it is organic that fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
High polymer polyacrylamide product.Prepared fluorided-modified hydrophobicity amphoteric organic polymer polyacrylamide flocculation
Agent is 79.6 %, moisture percentage in sewage sludge 49% to the removal rate of the SS of dyeing waste water.
Embodiment 3:
A kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, it is approximate with embodiment 1, by such as
Lower step:
(1) firstly, under 60 DEG C and magnetic agitation, by total mass fraction be 25% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
7, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.3% initiation is added
Agent K2S2O8-Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and fluorided-modified hydrophobicity both sexes can be obtained after drying and grinding
Type organic polymer polyacrylamide product.Prepared fluorided-modified hydrophobicity amphoteric organic polymer polyacrylamide
Amine flocculant is 74.1% to the removal rate of the SS of dyeing waste water, moisture percentage in sewage sludge 43%.
Embodiment 4:
A kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, it is approximate with embodiment 1, by such as
Lower step:
(1) firstly, under 30 DEG C and magnetic agitation, by total mass fraction be 15% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:2:24 and 0.7%, are adjusted pH and are
7, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.8% initiation is added
Agent K2S2O8-Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and fluorided-modified hydrophobicity both sexes can be obtained after drying and grinding
Type organic polymer polyacrylamide product.Prepared fluorided-modified hydrophobicity amphoteric organic polymer polyacrylamide
Amine flocculant is 59.8% to the removal rate of the SS of dyeing waste water, moisture percentage in sewage sludge 57%.
Claims (9)
1. a kind of preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, it is characterised in that by drawing
Enter hydrophobic grouping, hydrophobicity amphoteric polyacrylamide flocculant is prepared using water solution polymerization process, reduces organic polymer wadding
The hydrophily of solidifying agent, includes the following steps:
(1) under certain temperature and magnetic agitation, by monomer diallyldimethylammonChloride Chloride, acrylamide, fumaric acid
It is placed in four-neck flask flask with fluoride, makes the dimethyl diallyl ammonium chloride, acrylamide, fumaric
Total mass fraction be 15%~25%, dimethyl diallyl ammonium chloride, acrylamide, fumaric molar ratio be 1:(2~
4): 24, the dosage of fluoride is 0.7%, adjusts pH neutrality, after vacuumizing, and is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, hydrophobic grouping butyl acrylate and initiator K is added2S2O8Or
K2S2O8-Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
Organic polymer polyacrylamide product.
2. the preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator according to claim 1,
It is characterized in that the reaction temperature is 30 ~ 60 DEG C, pH is 5~7.
3. the preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator according to claim 1,
It is characterized in that, the mass fraction of the hydrophobic grouping butyl acrylate is 0.3%, and the fluoride is NaF or HF.
4. the preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator according to claim 1,
It is characterized in that, the initiator amount is 0.3%~0.8%.
5. the preparation method of fluorided-modified hydrophobicity amphoteric organic polymer coargulator according to claim 1,
The dosage for being characterized in that the butyl acrylate is 0.3%.
6. the preparation side of -5 any fluorided-modified hydrophobicity amphoteric organic polymer coargulators according to claim 1
Method, it is characterised in that specific step is as follows:
(1) monomer diallyldimethylammonChloride Chloride, acryloyl under 30 DEG C and magnetic agitation, by total mass fraction for 20%
Amine, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, and adjusting pH is 5, are taken out
After vacuum, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.5% initiation is added
Agent K2S2O8, cooling purifies after polymerization keeps the temperature 12h, and it is organic that fluorided-modified hydrophobicity amphoteric can be obtained after drying and grinding
High polymer polyacrylamide product.
7. the preparation side of -5 any fluorided-modified hydrophobicity amphoteric organic polymer coargulators according to claim 1
Method, it is characterised in that specific step is as follows:
(1) firstly, under 60 DEG C and magnetic agitation, by total mass fraction be 25% monomer diallyldimethylammonChloride Chloride, third
Acrylamide, fumaric acid are placed in four-neck flask flask according to the fluoride that molar ratio is 1:4:24 and 0.7%, are adjusted pH and are
7, after vacuumizing, and it is passed through nitrogen；
(2) secondly, after being stirred letting nitrogen in and deoxidizing 30min, 0.3% hydrophobic grouping butyl acrylate and 0.3% initiation is added
Agent K2S2O8-Na2S2O3, cooling purifies after polymerization keeps the temperature 12h, and fluorided-modified hydrophobicity both sexes can be obtained after drying and grinding
Type organic polymer polyacrylamide product.
8. a kind of fluorided-modified hydrophobicity amphoteric organic polymer coargulator, it is characterised in that according to claim 1-7
Any the method is prepared.
9. a kind of fluorided-modified hydrophobicity amphoteric organic polymer coargulator according to claim 8 is printed and dyed in removal
Application in the SS of waste water.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439818A (en) * | 2020-03-24 | 2020-07-24 | 武汉益恒晟华环保科技有限公司 | MSC-based hydrophobization dehydrating agent and decontamination process |
| CN116675318A (en) * | 2023-07-17 | 2023-09-01 | 重庆工商大学 | Preparation method of flocculant for oily wastewater treatment |
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