CN102050513B - 一种阳离子高分子絮凝剂 - Google Patents
一种阳离子高分子絮凝剂 Download PDFInfo
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- CN102050513B CN102050513B CN2009102295957A CN200910229595A CN102050513B CN 102050513 B CN102050513 B CN 102050513B CN 2009102295957 A CN2009102295957 A CN 2009102295957A CN 200910229595 A CN200910229595 A CN 200910229595A CN 102050513 B CN102050513 B CN 102050513B
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- dmdaac
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- ammonium chloride
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- 229920006317 cationic polymer Polymers 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 17
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 12
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims description 9
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims 4
- 150000001768 cations Chemical class 0.000 claims 3
- 239000004159 Potassium persulphate Substances 0.000 claims 2
- 235000019394 potassium persulphate Nutrition 0.000 claims 2
- 235000010265 sodium sulphite Nutrition 0.000 claims 2
- 125000002091 cationic group Chemical group 0.000 abstract description 10
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract description 9
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000005189 flocculation Methods 0.000 abstract description 5
- 230000016615 flocculation Effects 0.000 abstract description 5
- 230000000977 initiatory effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006116 polymerization reaction Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 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 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000012660 binary copolymerization Methods 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- FZGFBJMPSHGTRQ-UHFFFAOYSA-M trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCOC(=O)C=C FZGFBJMPSHGTRQ-UHFFFAOYSA-M 0.000 description 1
- RRHXZLALVWBDKH-UHFFFAOYSA-M trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)OCC[N+](C)(C)C RRHXZLALVWBDKH-UHFFFAOYSA-M 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
本发明公开了一种阳离子高分子絮凝剂，该种絮凝剂通过以下步骤制得：(1)将AM、DM、DMDAAC和去离子水按比例m(AM)∶m(DM)∶m(DMDAAC)∶m(H2O)＝60∶20∶20∶300加到反应器中搅拌20-30min；(2)向反应容器中加入氯化铵，搅拌混合均匀，通入氮气驱氧，加热至50-60℃；(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，200-250rpm下搅拌2-3h得聚合产物。本发明所得的絮凝剂处理污水，当絮凝剂加为20mg/L时，透光率达到98.7％，CODcr去除率达到88.7％，与P(AM-DAC)和P(AM-DMDAAC)及P(AM-DAC-DMDAAC)进行比较，证明本发明方法制备的絮凝剂具有更好的絮凝效果。
Description
技术领域
本发明涉及一种絮凝剂，特别涉及一种阳离子高分子絮凝剂。
背景技术
有机高分子絮凝剂出现于20世纪50年代，它们应用前途广阔，发展非常迅速。已用于给水净化，水/油体系破乳，含油废水处理，废水再资源化及污泥脱水等方面；还可用作油田开发过程的泥浆处理剂，选择性堵水剂，注水增稠剂，纺织印染过程的柔软剂，静电防止剂及通用的杀菌、消毒剂等。根据含有不同的官能团离解后粒子的带电情况可以分为阳离子型、阴离子型、非离子型3大类。有机高分子絮凝剂大分子中可以带-COO-、-NH-、-SO3、-OH等亲水基团，具有链状、环状等多种结构。因其活性基团多，分子量高，具有用量少，浮渣产量少，絮凝能力强，絮体容易分离，除油及除悬浮物效果好等特点，在处理炼油废水，其它工业废水，高悬浮物废水及固液分离中阳离子型絮凝剂有着广泛的用途。特别是丙烯酰胺系列有机高分子絮凝剂以其分子量高，絮凝架桥能力强而显示出在水处理中的优越性。
通常阳离子型有机高分子絮凝剂，选用丙烯酰胺单体与阳离子单体共聚的方法，常用的阳离子单体有二甲基二烯丙基氯化铵(DMDAAC)、甲基丙烯酰氧乙基三甲基氯化铵(DMC)、丙烯酰氧乙基三甲基氯化铵(DAC)等。目前国内外研究的阳离子聚合物多为AM与DAC或DMDAAC的二元共聚，但三者共聚的研究有P(AM-DAC-DMDAAC)，还没有P(AM-DM-DMDAAC)。
发明内容
本发明的目的是提供一种阳离子高分子絮凝剂，该种方法条件简单，操作容易，制备的P(AM-DM-DMDAAC)絮凝性能好。
本发明采取的技术方案为：
一种阳离子高分子絮凝剂，通过以下步骤制得：
(1)将AM、DM、DMDAAC和去离子水按比例m(AM)∶m(DM)∶m(DMDAAC)∶m(H2O)＝60∶20∶20∶300加到反应器中搅拌20-30min；
(2)向反应容器中加入氯化铵，搅拌混合均匀，通入氮气驱氧，加热至50-60℃；
(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，200-250rpm下搅拌2-3h得聚合产物。
所述的氯化铵的用量为单体总质量的0.3％。所述的过硫酸钾和亚硫酸氢钠的摩尔比为1∶1，两者总质量为单体总质量的0.02％-0.03％。
本发明所得的絮凝剂处理污水，当絮凝剂加量为20mg/L时，透光率达到98.7％，CODcr去除率达到88.7％，与P(AM-DAC)和P(AM-DMDAAC)及P(AM-DAC-DMDAAC)进行比较，证明本发明制备的絮凝剂具有更好的絮凝效果。
具体实施方式
实施例1
一种阳离子高分子絮凝剂，通过以下步骤制得：
(1)将30gAM、10gDM、10gDMDAAC和150g去离子水加到反应器中搅拌20min；
(2)向反应容器中加入0.15g氯化铵，搅拌混合均匀，通入氮气驱氧，加热至50℃；
(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，200rpm下搅拌3h得聚合产物。
步骤(3)中所述的过硫酸钾和亚硫酸氢钠的摩尔比为1∶1，两者总质量为单体总质量的0.02％。
实施例2
一种阳离子高分子絮凝剂，通过以下步骤制得：
(1)将60gAM、20gDM、20gDMDAAC和300g去离子水加到反应器中搅拌20min；
(3)向反应容器中加入0.3g氯化铵，搅拌混合均匀，通入氮气驱氧，加热至60℃；
(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，200rpm下搅拌2h得聚合产物。
步骤(3)中所述的过硫酸钾和亚硫酸氢钠的摩尔比为1∶1，两者总质量为单体总质量的0.03％。
实施例3
一种阳离子高分子絮凝剂，通过以下步骤制得：
(1)将60gAM、20gDM、20gDMDAAC和300g去离子水加到反应器中搅拌30min；
(4)向反应容器中加入0.3g氯化铵，搅拌混合均匀，通入氮气驱氧，加热至55℃；
(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，250rpm下搅拌3h得聚合产物。
步骤(3)中所述的过硫酸钾和亚硫酸氢钠的摩尔比为1∶1，两者总质量为单体总质量的0.03％。
Claims (3)
1.一种阳离子高分子絮凝剂，其特征是通过以下步骤制得：
(1)将AM、DM、DMDAAC和去离子水按比例m(AM)∶m(DM)∶m(DMDAAC)∶m(H2O)＝60∶20∶20∶300加到反应器中搅拌20-30min；
(2)向反应容器中加入氯化铵，搅拌混合均匀，通入氮气驱氧，加热至50-60℃；
(3)加入过硫酸钾和亚硫酸氢钠引发，继续通氮，200-250rpm下搅拌2-3h得聚合产物。
2.按照权利要求1所述的一种阳离子高分子絮凝剂，其特征是所述的氯化铵的用量为单体总质量的0.3％。
3.按照权利要求1所述的一种阳离子高分子絮凝剂，其特征是，所述的过硫酸钾和亚硫酸氢钠的摩尔比为1∶1，两者总质量为单体总质量的0.02％-0.03％。
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4588508A (en) * | 1984-11-13 | 1986-05-13 | Nalco Cehmical Company | Bimodal cationics for water clarification |
| CN1051366A (zh) * | 1990-10-09 | 1991-05-15 | 齐鲁石油化工公司研究院 | 二甲基二丙烯基氯化铵-丙烯酰胺共聚物 |
| CN101143743A (zh) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | 一种阳离子型高分子絮凝剂的制备方法 |
| CN101260174A (zh) * | 2008-04-14 | 2008-09-10 | 山东大学 | 一种阳离子型疏水缔合聚合物及其制备方法与应用 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4588508A (en) * | 1984-11-13 | 1986-05-13 | Nalco Cehmical Company | Bimodal cationics for water clarification |
| CN1051366A (zh) * | 1990-10-09 | 1991-05-15 | 齐鲁石油化工公司研究院 | 二甲基二丙烯基氯化铵-丙烯酰胺共聚物 |
| CN101143743A (zh) * | 2006-09-15 | 2008-03-19 | 中国石油化工股份有限公司 | 一种阳离子型高分子絮凝剂的制备方法 |
| CN101260174A (zh) * | 2008-04-14 | 2008-09-10 | 山东大学 | 一种阳离子型疏水缔合聚合物及其制备方法与应用 |
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