CN113121002A - 一种絮凝剂及其制备方法和应用 - Google Patents
一种絮凝剂及其制备方法和应用 Download PDFInfo
- Publication number
- CN113121002A CN113121002A CN201911417939.7A CN201911417939A CN113121002A CN 113121002 A CN113121002 A CN 113121002A CN 201911417939 A CN201911417939 A CN 201911417939A CN 113121002 A CN113121002 A CN 113121002A
- Authority
- CN
- China
- Prior art keywords
- starch
- flocculant
- salt
- inorganic
- producing
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000008394 flocculating agent Substances 0.000 title claims abstract description 17
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- 239000004368 Modified starch Substances 0.000 claims abstract description 61
- 229920000881 Modified starch Polymers 0.000 claims abstract description 61
- 235000019426 modified starch Nutrition 0.000 claims abstract description 61
- 235000019698 starch Nutrition 0.000 claims abstract description 59
- 239000008107 starch Substances 0.000 claims abstract description 59
- 239000000178 monomer Substances 0.000 claims abstract description 45
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 22
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- 229920000570 polyether Polymers 0.000 claims abstract description 18
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000004132 cross linking Methods 0.000 claims abstract description 8
- 239000012266 salt solution Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 39
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- 239000007864 aqueous solution Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 25
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- 229920001592 potato starch Polymers 0.000 claims description 15
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 claims description 15
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Images
Classifications
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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
- C02F1/52—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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- C—CHEMISTRY; METALLURGY
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CN115477442A (zh) * | 2022-08-16 | 2022-12-16 | 杭州鲲宸环境科技有限公司 | 一种航材园废水处理方法 |
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