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Sewage flocculating agent and preparation method thereof

A flocculant and sewage technology, used in water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problems of high price, not easy to degrade, pollute the environment, etc., and achieve low cost and removal effect. Good results

Inactive Publication Date: 2018-04-27
侯英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sewage treatment effect of the existing composite flocculants is not ideal, and the use process is complicated
In addition, there are some flocculants, because the raw materials used have defects such as high price, not easy to degrade, and pollute the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A sewage flocculant, comprising the following components by weight: the acrylamide is 60 parts by weight, the diatom is 40 parts by weight, the titanium tetrachloride is 20 parts by weight, the thiomalic acid modified The starch is 20 parts by weight, the sodium hydroxide is 15 parts by weight, the chitosan is 15 parts by weight, the polymerized iron oxide is 10 parts by weight, the walnut shell powder is 10 parts by weight, the benzyl Trimethyl ammonium chloride is 1 part by weight.

Embodiment 2

[0016] A sewage flocculant, comprising the following components by weight: 65 parts by weight of the acrylamide, 45 parts by weight of the diatom, 25 parts by weight of the titanium tetrachloride, and 25 parts by weight of the modified thiomalic acid The starch is 25 parts by weight, the sodium hydroxide is 20 parts by weight, the chitosan is 18 parts by weight, the polymerized iron oxide is 13 parts by weight, the walnut shell powder is 13 parts by weight, the benzyl Trimethylammonium chloride is 2 parts by weight.

Embodiment 3

[0018] A sewage flocculant, comprising the following components by weight: 70 parts by weight of the acrylamide, 50 parts by weight of the diatom, 30 parts by weight of the titanium tetrachloride, and 30 parts by weight of the modified thiomalic acid The starch is 30 parts by weight, the sodium hydroxide is 25 parts by weight, the chitosan is 21 parts by weight, the polymerized iron oxide is 16 parts by weight, the walnut shell powder is 16 parts by weight, the benzyl Trimethylammonium chloride is 3 parts by weight.

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PUM

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Abstract

The invention relates to a sewage flocculating agent and a preparation method thereof. The flocculating agent comprises the following components: acrylamide, diatom, titanium tetrachloride, mercaptosuccinic acid-modified starch, sodium hydroxide, chitosan, polymerized iron oxide, walnut shell powder, and benzyltrimethylammonium chloride. The decontamination capability of the flocculating agent isobviously better than the flocculating agents in the prior art, compared with the prior art, the flocculating agent provided by the invention has the advantages of good COD and BOD removal effect as well as low cost, and the product is environmentally friendly and degradable.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a sewage flocculant. Background technique [0002] Flocculant precipitation is currently a relatively common method of treating industrial wastewater. By adding flocculants to wastewater, suspended solids and soluble chemical oxygen consumption (COD) and biological oxygen consumption (BOD) can be effectively removed to achieve purification. purpose of sewage. At present, polymer flocculants are mainly divided into inorganic polymer flocculants, such as polyiron, polyaluminum, etc.; natural polymer flocculants, such as chitin, modified starch, etc.; synthetic polymer flocculants, such as polyacrylamide, etc. Due to the high price of polyacrylamide, many improvements over the years have been aimed at how to modify polyacrylamide, or use a variety of flocculants to prepare composite flocculants. However, the sewage treatment effect of the existing composite flo...

Claims

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Application Information

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IPC IPC(8): C02F1/52C02F1/54C02F1/56
CPCC02F1/56C02F1/5236C02F1/5263C02F1/54
Inventor 侯英
Owner 侯英
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