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Printing and dyeing sewage treatment agent

A technology for printing and dyeing sewage and treatment agent, which is applied in water/sewage treatment, adsorbed water/sewage treatment, water/sludge/sewage treatment, etc. The effect of chroma removal rate, low cost and simple process

Inactive Publication Date: 2018-08-21
安庆市龙珠包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there have been a large number of researches on printing and dyeing wastewater treatment agents in the prior art, but there are still some defects, such as the treatment efficiency of printing and dyeing wastewater is still low, and the effect is not ideal

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Party:

[0024] 10 parts of sodium polyacrylate, 5 parts of starch, 30 parts of bentonite, 5 parts of iron sulfate, 5 parts of alum, 0.5 parts of aluminum sulfate, 1 part of activated carbon, 1 part of basic alumina, 0.5 parts of ferrous sulfate, 0.2 parts of nickel nitrate, Chitosan 10 parts, polysorbate 0.02 parts.

[0025] The viscosity-average molecular weight of the sodium polyacrylate is 4000, and the molecular weight of the chitosan is 8000.

[0026] Preparation:

[0027] (1) get bentonite, ferric sulfate, alum, aluminum sulfate, gac, basic alumina, ferrous sulfate and nickel nitrate, mix, be ground into fine powder;

[0028] (2) Take chitosan, add a certain amount of pure water, heat and dissolve at 50°C, then add sodium polyacrylate and starch, stir, keep warm, and obtain an intermediate material;

[0029] (3) Mix the above-mentioned fine powder and the intermediate material, add polysorbate, stir at 40°C and 3000r / min for 10h, and obtain the product.

Embodiment 2

[0031] Party:

[0032] 10 parts of sodium polyacrylate, 25 parts of starch, 50 parts of bentonite, 15 parts of ferric sulfate, 15 parts of alum, 1.5 parts of aluminum sulfate, 9 parts of activated carbon, 7 parts of basic alumina, 1.5 parts of ferrous sulfate, 0.8 parts of nickel nitrate, 20 parts of chitosan, 0.08 part of polysorbate.

[0033] The viscosity-average molecular weight of the sodium polyacrylate is 6000, and the molecular weight of the chitosan is 12000.

[0034] Preparation:

[0035] (1) get bentonite, ferric sulfate, alum, aluminum sulfate, gac, basic alumina, ferrous sulfate and nickel nitrate, mix, be ground into fine powder;

[0036] (2) Take chitosan, add a certain amount of pure water, heat and dissolve at 70°C, then add sodium polyacrylate and starch, stir, and keep warm to obtain the intermediate material;

[0037] (3) Mix the above-mentioned fine powder and the intermediate material, add polysorbate, stir at 60°C and 5000r / min for 20h, and obtain the...

Embodiment 3

[0039] Party:

[0040] 10 parts of sodium polyacrylate, 15 parts of starch, 40 parts of bentonite, 10 parts of iron sulfate, 10 parts of alum, 1 part of aluminum sulfate, 5 parts of activated carbon, 4 parts of basic alumina, 1 part of ferrous sulfate, 0.5 parts of nickel nitrate, 15 parts of chitosan, 0.05 part of polysorbate.

[0041] The viscosity-average molecular weight of the sodium polyacrylate is 5000, and the molecular weight of the chitosan is 10000.

[0042] Preparation:

[0043] (1) get bentonite, ferric sulfate, alum, aluminum sulfate, gac, basic alumina, ferrous sulfate and nickel nitrate, mix, be ground into fine powder;

[0044] (2) Take chitosan, add a certain amount of pure water, heat and dissolve at 60°C, then add sodium polyacrylate and starch, stir, keep warm, and obtain an intermediate material;

[0045] (3) Mix the above-mentioned fine powder and the intermediate material, add polysorbate, stir at 50°C and 4000r / min for 15h, and obtain the product. ...

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Abstract

The invention discloses a printing and dyeing sewage treatment agent. The printing and dyeing sewage treatment agent is mainly prepared from components in parts by weight as follows: 10 parts of sodium polyacrylate, 5-25 parts of starch, 30-50 parts of bentonite, 5-15 parts of iron sulfate, 5-15 parts of iron sulfate, 0.5-1.5 parts of aluminum sulfate, 1-9 parts of activated carbon, 1-7 parts of basic aluminum chloride, 0.5-1.5 parts of ferrous sulfate, 0.2-0.8 parts of nickel nitrate, 10-20 parts of chitosan and 0.02-0.08 parts of polysorbate. Compared with the prior art, the obtained printing and dyeing sewage treatment agent has advantages that process is simple, cost is low, chroma removal rate, turbidity removal rate and COCcr removal rate of printing and dyeing sewage can be remarkably increased, and performance is excellent.

Description

technical field [0001] The invention relates to a printing and dyeing sewage treatment agent, which belongs to the technical field of printing and dyeing sewage treatment. Background technique [0002] According to statistics, in 2003, among the various industrial industries in the country, the top five industries with the largest amount of wastewater discharge were papermaking, chemical manufacturing, electric power, ferrous metal smelting, and textile printing and dyeing. Among various industrial industries, the textile printing and dyeing industry The discharge of COD ranks fourth. It can be seen that the sewage discharge of the printing and dyeing industry needs to be treated urgently. The sewage discharged by the printing and dyeing factory mainly includes bleaching wastewater, printing, dyeing wastewater and desizing water, which is different from the wastewater discharged by other industries. of. At present, the treatment of printing and dyeing wastewater mainly incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F1/28C02F103/30
CPCC02F1/00C02F1/28C02F1/283C02F2103/30C02F2209/08C02F2209/11
Inventor 曹结渝
Owner 安庆市龙珠包装有限公司
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