Technology News - Jiangsu Haipu Functional Materials Co.,Ltd.

09

May

May 09, 2017

Acid pickling is a widely used process in the steel industry, but it generates a large amount of waste acid and poses a great threat. If discharged directly without treatment, it will not only cause...

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08

May

Treatment Methods for Ammonia Nitrogen Wastewater

May 08, 2017

The general form of nitrogen in nature is NO3-. After water pollution, ammonia nitrogen is formed, with some existing in the form of free ammonia and others in the form of ions, mainly depending...

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30

Apr

Analysis of Common Problems Related to Biochemical Treatment of Ammonia Nitrogen in Sewage Treatment

Apr 30, 2017

In the process of sewage treatment, various sewage problems will be encountered. For example, indicators such as COD, ammonia nitrogen, and SS do not meet the standards, and sludge expansion, floating...

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29

Apr

Printing and Dyeing Wastewater Treatment Process

Apr 29, 2017

During the dye production process, a large amount of pollutants are generated in processes such as sulfonation, nitration, diazotization, reduction, oxidation, and acid (salt) precipitation.

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28

Apr

VOCs Waste Gas Recycling Treatment Process

Apr 28, 2017

VOCs mainly come from petrochemicals, electronic manufacturing, and automobile exhaust. Some VOCs have strong toxicity or carcinogenicity, posing a serious threat to human life and health. At present,...

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27

Apr

Pharmaceutical Waste Gas Treatment Process

Apr 27, 2017

China is a major producer of chemical raw materials, especially in the production capacity and output of fermented drugs, which are ranked first in the world; The production process of active pharmace...

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26

Apr

COD Degradation in the Biochemical Stage After Wastewater Treatment

Apr 26, 2017

A certain enterprise has high concentration coal gas water, low-temperature methanol washing wastewater, methanol distillation wastewater, biochemical wastewater, etc. that have undergone pretreatment...

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25

Apr

Advanced Treatment of Printing and Dyeing Wastewater

Apr 25, 2017

The water quality of printing and dyeing wastewater is complex, containing dyes, pulp, additives, oils, acids and bases, fiber impurities, sand substances, inorganic salts, etc. Pollutants can be divi...

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