Acrylic waste water treatment has always been recognized as an environmental problem at home and abroad. It is difficult to completely remove high polymer polymers and it has always been the biggest obstacle in the treatment of acrylic fibers. In order to effectively solve this technical problem, over the years, domestic and foreign experts have put forward a number of treatment options, but it is difficult to meet the emission standards, and some even meet the emission standards, but due to the high cost, it is difficult to promote.
Anqing Petrochemical Acrylic Fiber Factory, which was put into operation earlier in the country, adopted a new process of “air floatation + sludge dewatering system and A/O biochemistry + secondary sedimentation tank treatment + aeration biological filterâ€. With increasingly stringent environmental protection requirements, Anqing Petrochemical invested more than 700 million yuan to build an acrylic fiber wastewater pretreatment plant, to a certain extent, improve the technical level of wastewater treatment of acrylic fibers and sewage treatment capacity.
According to reports, the results of this research mainly deal with the advanced treatment of acrylic fiber wastewater mainly using bio-pure oxygen aeration, A/O and other biological treatment technologies to achieve the mineralization, effective, chain breaking and opening of refractory organic components in acrylic fiber waste water. Ring effect, so as to achieve effective degradation of organic components of acrylic wastewater.
Experts believe that if this research achievement is market-oriented, its economic and social benefits are very significant. Firstly, it will enable enterprises to break away from the pressure of environmental protection and achieve substantial cleaner production. Second, it can save a lot of water resources. The output of tons of acrylic fiber products can reach 20 tons, and the annual total discharge volume can reach over 1 million tons. All can realize the recycling of water resources; once again, significant economic benefits can save a lot of sewage charges.
It is reported that Daqing Petrochemical has already begun to demonstrate the industrial production process of this sewage treatment technology.
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