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Sewage treatment precipitator

A sewage treatment and precipitant technology, applied in the direction of flocculation/sedimentation water/sewage treatment, sustainable biological treatment, etc., can solve problems such as poor flocculation effect, poor removal performance of dissolved pollutants and bacteria, and slow sedimentation speed , to achieve fast flocculation and sedimentation, good adsorption and bridging performance, and good effect

Pending Publication Date: 2022-08-02
北京博泰至淳生物科技有限公司 +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In the prior art, 201210545556.X discloses an iron salt-polyepichlorohydrin-dimethylamine composite flocculant and its preparation method and application. The composite flocculant is composed of ferric chloride solution or polyferric chloride solution and Composed of polyepichlorohydrin-dimethylamine, however, it still has the disadvantages of poor flocculation effect and slow settling speed
200710024361.X discloses polyferric sulfate-polydimethyldiallyl ammonium chloride composite coagulant and its preparation and application method, and its composite coagulant is composed of polyferric sulfate and polydimethyldiallyl chloride Ammonium chloride composition, which performs poorly in the removal of dissolved pollutants and bacteria

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Embodiment 1

[0031] The present embodiment provides a sewage treatment precipitant, which specifically includes the following components in parts by weight:

[0032] 40% mass fraction 30% Al 2 O 3 Polymer solution, 20% by mass FeCl 23% 2 Solution, 15% by mass of 60% epichlorohydrin-dimethylamine copolymer solution, 5% by mass of 40% of MgCl 2 solution, 10% mass fraction of 80% ethanol solution, 0.5% saturated ascorbic acid solution.

Embodiment 2

[0034] The present embodiment provides a sewage treatment precipitant, which specifically includes the following components in parts by weight:

[0035] 60% mass fraction 20% Al 2 O 3 Polymer solution, 30% by mass FeCl 23% 2 Solution, 20% by mass fraction of 50% epichlorohydrin-dimethylamine copolymer solution, 10% by mass fraction of 30% MgCl 2 solution, 20% mass fraction of 70% ethanol solution, 0.8% saturated ascorbic acid solution.

Embodiment 3

[0037] The present embodiment provides a sewage treatment precipitant, which specifically includes the following components in parts by weight:

[0038] 80% mass fraction 15% Al 2 O 3 Polymer solution, 50% mass fraction of 23% FeCl 2 Solution, 30% mass fraction of 40% epichlorohydrin-dimethylamine copolymer solution, 15% mass fraction of 20% MgCl 2 solution, 30% mass fraction of 60% ethanol solution, 1% saturated ascorbic acid solution.

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Abstract

The invention relates to the field of environmental protection, in particular to a sewage treatment precipitator. The sewage treatment precipitant comprises a phosphate precipitant, an organic polymer, monohydric alcohol, alkaline earth metal ions and a stabilizer, the phosphate precipitant comprises at least one of Fe (II)-X, Al-X or a polymer of the Fe (II)-X and the Al-X; wherein X is independently selected from oxygen, halogen, sulfate radical or nitrate radical; the content of the monohydric alcohol is 3-24% by taking the total weight of the sewage treatment precipitator as 100%. The sewage treatment precipitant is high in flocculent precipitation speed, good in adsorption bridging performance on suspended solids and dissolved matters in a water body, good in comprehensive flocculent precipitation effect, capable of treating more sewage under the condition of small dosage, beneficial to saving economic cost and wide in application range.

Description

technical field [0001] The invention relates to the field of environmental protection, in particular to a sewage treatment precipitant. Background technique [0002] Sewage produced in the process of human life is one of the main sources of water pollution. Domestic sewage contains a large amount of organic matter, such as cellulose, starch, carbohydrates and fatty proteins; it also often contains pathogenic bacteria, viruses and parasite eggs and inorganic salts. Industrial wastewater includes production wastewater, production sewage and cooling water, and refers to the wastewater and waste liquid generated in the industrial production process, which contain industrial production materials, intermediate products, by-products and pollutants generated in the production process lost with the water. There are many kinds of industrial wastewater with complex composition. [0003] At present, coagulants are usually used for sewage treatment. Coagulants generally include inorga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52C02F1/54C02F1/56
CPCC02F1/5236C02F1/56C02F1/54Y02W10/10
Inventor 汪翠萍陈凯华潘建通迟金宝郑淑文张雷杨平黄文涛
Owner 北京博泰至淳生物科技有限公司
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