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Environment-friendly flocculant with natural high polymer as major component

A technology of natural polymer and flocculant, applied in flocculation/sedimentation water/sewage treatment, adsorption water/sewage treatment, water/sewage treatment, etc. The effect of secondary pollution and high removal rate

Active Publication Date: 2015-06-24
攀枝花秉扬科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The amount of organic synthetic polymer flocculant is small, the flocculation effect is good, and it is suitable for the treatment of various wastewater, but it is mainly derived from the petroleum industry, which is costly and has great harm to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Example 1: 75 parts of chitosan-lignin graft copolymer, 15 parts of carboxymethyl starch, 5 parts of 200-mesh montmorillonite, and 5 parts of 200-mesh activated carbon.

Embodiment 2

[0009] Example 2: 60 parts of chitosan-fulvic acid graft copolymer, 30 parts of carboxymethyl starch, 5 parts of 300-mesh montmorillonite, and 5 parts of 300-mesh activated carbon.

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PUM

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Abstract

The invention relates to an environment-friendly flocculant with a natural high polymer as a major component and belongs to the technical field of water treatment flocculants. The flocculant is prepared from the following components in parts by weight: 60-75 parts of chitosan-lignin or chitosan-fulvic acid grafted copolymer, 15-30 parts of carboxymethyl starch, 5 parts of montmorillonite and 5 parts of activated carbon. The flocculant is mainly prepared from natural high polymers and has the characteristics of environmental protection and no secondary pollution; and besides, the flocculant is low in price, high in removal rates of heavy metal ions and organic pollutants, and high in flocculating and settling speeds.

Description

technical field [0001] The invention relates to an environment-friendly flocculant mainly composed of natural polymers, belonging to the technical field of flocculants for water treatment. Background technique [0002] Under the highly developed modern civilization, industrial wastewater and urban sewage are increasingly harmful to the environment. Prevention and control of industrial waste water and urban sewage pollution has become a common concern of the people. Years of research and practice have shown that adding flocculants to coagulate pollutants in sewage is one of the generally effective methods, and it has the characteristics of simple process and low cost. At present, the flocculants commonly used in the industry mainly include inorganic and organic flocculants, and there are many varieties. The price of inorganic flocculant is low, but the dosage is high. Organic synthetic polymer flocculants are used in small amounts and have good flocculation effects, and ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/56C02F1/28
CPCC02F1/281C02F1/283C02F1/285C02F1/286C02F1/5236C02F1/5263C02F1/56
Inventor 楼涛汪学军
Owner 攀枝花秉扬科技股份有限公司
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