CN113817096B - Preparation method of cationic polyacrylamide polymeric flocculant - Google Patents
Preparation method of cationic polyacrylamide polymeric flocculant Download PDFInfo
- Publication number
- CN113817096B CN113817096B CN202111256322.9A CN202111256322A CN113817096B CN 113817096 B CN113817096 B CN 113817096B CN 202111256322 A CN202111256322 A CN 202111256322A CN 113817096 B CN113817096 B CN 113817096B
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- CN
- China
- Prior art keywords
- cationic polyacrylamide
- phase
- polymeric flocculant
- emulsion
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
-
- 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
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- 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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
group of | Height/mm of upper oil phase after centrifugation | Bottom sediment condition after centrifugation |
Example 1 | 0.6 | Is free of |
Example 2 | 1.6 | Hardly any |
Example 3 | 1.3 | Hardly any |
Comparative example 1 | 4 | Is provided with |
Comparative example 2 | 2 | Hardly any |
Comparative example 3 | 6 | Is provided with |
Comparative example 4 | 10 | Is provided with |
Comparative example 5 | 5 | Is provided with |
Comparative example 6 | 3.1 | Is provided with |
Comparative example 7 | 2.3 | Hardly any |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111256322.9A CN113817096B (en) | 2021-10-27 | 2021-10-27 | Preparation method of cationic polyacrylamide polymeric flocculant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111256322.9A CN113817096B (en) | 2021-10-27 | 2021-10-27 | Preparation method of cationic polyacrylamide polymeric flocculant |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113817096A CN113817096A (en) | 2021-12-21 |
CN113817096B true CN113817096B (en) | 2022-07-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202111256322.9A Active CN113817096B (en) | 2021-10-27 | 2021-10-27 | Preparation method of cationic polyacrylamide polymeric flocculant |
Country Status (1)
Country | Link |
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CN (1) | CN113817096B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115322300B (en) * | 2022-07-27 | 2024-03-01 | 江苏美亚科泽过滤技术有限公司 | Preparation method and application of insoluble flocculant |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034087A2 (en) * | 1980-01-30 | 1981-08-19 | Calgon Corporation | Polymerization method utilizing a three-phase emulsion system |
US5674561A (en) * | 1994-01-28 | 1997-10-07 | Minnesota Mining And Manufacturing Company | Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same |
CN101143742A (en) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | Reversed phase emulsion synthesis method for polyacrylamide flocculant |
CN104974308A (en) * | 2014-04-10 | 2015-10-14 | 中国石油化工股份有限公司 | Resistance reducing agent for fracture and preparation method thereof |
-
2021
- 2021-10-27 CN CN202111256322.9A patent/CN113817096B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034087A2 (en) * | 1980-01-30 | 1981-08-19 | Calgon Corporation | Polymerization method utilizing a three-phase emulsion system |
US5674561A (en) * | 1994-01-28 | 1997-10-07 | Minnesota Mining And Manufacturing Company | Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same |
CN101143742A (en) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | Reversed phase emulsion synthesis method for polyacrylamide flocculant |
CN104974308A (en) * | 2014-04-10 | 2015-10-14 | 中国石油化工股份有限公司 | Resistance reducing agent for fracture and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN113817096A (en) | 2021-12-21 |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Wang Zhu Inventor after: Liu Haisheng Inventor after: Chen Yang Inventor after: Zhang Yuxiang Inventor after: Li Xinghua Inventor after: Liang Jianwen Inventor after: Xu Guihong Inventor after: Liu Chengyang Inventor before: Wang Zhu Inventor before: Liu Haisheng Inventor before: Chen Yang Inventor before: Zhang Yuxiang Inventor before: Li Xinghua Inventor before: Liang Jianwen Inventor before: Xu Guihong Inventor before: Liu Chengyang |