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News
Breakthrough pollution control
2011/6/13 12:11:26

Yifei Co., Ltd. Changzhou cooperation with foreign companies, the recent development of high concentrations of toxic and harmful waste water treatment of new technology, has a number of dyes in the coastal sampling site for small chemical companies and pilot test achieved a breakthrough.


    
In recent years, dyes, pigment intermediates in the international market with a clear competitive advantage. However, due to the production process using a lot of aromatics, phenols, amines, acids and other raw materials, production processes and more, resulting in the "three wastes" large and complex components, especially high concentrations of toxic and harmful waste water treatment particularly difficult, costly .

 
   
Its wastewater treatment technology the company has research device. According to the company's engineering and technical personnel, the company has introduced 10 kinds of catalysts, and composite catalyst fixed in the special series of composite materials, the use of liquid phase catalytic membrane catalyst and oxidant synergy, making the structure of complex open-loop toxic and hazardous chemicals broken chains, cleavage of small molecules and reduce their toxicity, biological treatment to create the conditions for follow-up.


    
The technology for extremely low pH values, high concentrations of toxic and hazardous sewage treatment, not only the equipment investment, and operating costs will be reduced by 2 / 3. According to preliminary calculations, the daily processing capacity of 1,000 tons, the device of about 18 million yuan of total investment, operating costs for the 7 to 8 yuan per ton, chemical oxygen demand of sewage can be reduced to 100 to 300 mg / liter.

Copyright@Changzhou Yifei Chemical Co., Ltd. (C)2009
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