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Printing and dyeing wastewater treatment agent and preparation method thereof

A printing and dyeing wastewater and treatment agent technology, which is applied in textile industry wastewater treatment, water/sewage treatment, adsorption water/sewage treatment, etc., can solve the problems of poor adaptability to dye wastewater composition changes and high treatment costs, and avoid overuse of treatment agents. Multiple, high-efficiency purification effect, avoiding the effect of numerous processes

Inactive Publication Date: 2021-03-02
汕头市麦氧环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although the commonly used wastewater treatment methods can reduce the content of dyes in printing and dyeing wastewater to a certain extent, there are still problems such as high treatment costs and poor adaptability to changes in the composition of dye wastewater.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0016] A printing and dyeing wastewater treatment agent, characterized in that it consists of the following components in parts by weight: 30 parts of polyacrylamide, 25 parts of polyaluminum chloride, 10 parts of activated bentonite, 10 parts of diatomite, and 15 parts of wheat bran , 20 parts of activated carbon, 1 part of polyferric sulfate, 3 parts of calcium sulfate, 10 parts of flocculant, 80 parts of deionized water.

[0017] Preferably, the diatomite is freshwater diatomite, seawater diatomite or a mixture of freshwater diatomite and seawater diatomite in any proportion.

[0018] A preparation method for printing and dyeing wastewater treatment agent, is characterized in that, comprises the following steps:

[0019] Step 1: Weighing wheat bran, drying and grinding to obtain wheat bran powder, and set aside;

[0020] Step 2: Add polyacrylamide, polyaluminum chloride, and half of deionized water, mix and stir, and heat treatment at the same time to obtain a compound sol...

no. 2 example

[0024] A treatment agent for printing and dyeing wastewater, characterized in that it consists of the following components in parts by weight: 25 parts of polyacrylamide, 15 parts of polyaluminum chloride, 15 parts of activated bentonite, 15 parts of diatomaceous earth, and 20 parts of wheat bran , 25 parts of activated carbon, 1 part of polyferric sulfate, 3 parts of calcium sulfate, 5 parts of flocculant, 100 parts of deionized water.

[0025] Preferably, the diatomite is freshwater diatomite, seawater diatomite or a mixture of freshwater diatomite and seawater diatomite in any proportion.

[0026] A preparation method for printing and dyeing wastewater treatment agent, is characterized in that, comprises the following steps:

[0027] Step 1: Weigh wheat bran, heat to 80°C, dry and grind to obtain wheat bran powder, and set aside;

[0028] Step 2: Add polyacrylamide, polyaluminum chloride, and one-third of deionized water, heat to 70°C and mix and stir to obtain a compound ...

no. 3 example

[0032] A printing and dyeing wastewater treatment agent, characterized in that it consists of the following components in parts by weight: 35 parts of polyacrylamide, 30 parts of polyaluminum chloride, 10 parts of activated bentonite, 10 parts of diatomaceous earth, and 10 parts of wheat bran , 15 parts of activated carbon, 3 parts of polyferric sulfate, 5 parts of calcium sulfate, 10 parts of flocculant, 80 parts of deionized water.

[0033] Preferably, the diatomite is freshwater diatomite, seawater diatomite or a mixture of freshwater diatomite and seawater diatomite in any proportion.

[0034] A preparation method for printing and dyeing wastewater treatment agent, is characterized in that, comprises the following steps:

[0035] Step 1: Weigh wheat bran, heat to 80°C, dry and grind to obtain wheat bran powder, and set aside;

[0036] Step 2: Add polyacrylamide, polyaluminum chloride, and half of deionized water, heat to 75°C and mix and stir to obtain a compound solution...

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PUM

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Abstract

The invention relates to the technical field of wastewater treatment, in particular to a printing and dyeing wastewater treatment agent and a preparation method thereof. The treatment agent is prepared from the following raw materials in parts by weight: 25-35 parts of polyacrylamide, 15-30 parts of polyaluminum chloride, 10-15 parts of activated bentonite, 10-15 parts of diatomite, 10-20 parts ofwheat bran, 15-25 parts of activated carbon, 1-3 parts of polyferric sulfate, 3-5 parts of calcium sulfate, 5-10 parts of flocculant and 80-100 parts of deionized water. The treatment agent is simpleand efficient in preparation process and low in treatment cost, the product is easy to recycle, the cost is greatly saved, and the post-treatment process is simplified. During printing and dyeing wastewater treatment, the printing and dyeing wastewater can be effectively and efficiently purified by adding the printing and dyeing wastewater treatment agent, so that the environment and the health of workers are protected.

Description

technical field [0001] The invention relates to the technical field of wastewater treatment, more specifically, to a printing and dyeing wastewater treatment agent and a preparation method thereof. Background technique [0002] A large amount of printing and dyeing wastewater will be generated during printing and dyeing in textile factories. If it is discharged directly, it will cause great damage to the environment. However, there are many textile factories in my country, which produce a lot of printing and dyeing wastewater every day. Every ton of textiles consumed by printing and dyeing consumes 100-200 tons of water, of which 80-90% become wastewater. Textile printing and dyeing wastewater contains dyes, sizing agents, auxiliaries, inorganic salts and various organic substances, and has the characteristics of large water volume, high content of organic pollutants, high alkalinity, and large changes in water quality. It is one of the most difficult industrial wastewater t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/00C02F1/52C02F1/56C02F1/28C02F103/30
CPCC02F1/00C02F1/52C02F1/56C02F1/283C02F2103/30
Inventor 林祥先
Owner 汕头市麦氧环保科技有限公司
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