Treatment method for wastewater of polyvinyl chloride (PVC) anticentripetal mother solution
A polyvinyl chloride, centrifugal mother liquor technology, applied in ion exchange water/sewage treatment, biological water/sewage treatment, oxidized water/sewage treatment, etc., can solve the problems of high cost of ozone unit, difficult degradation of organic matter, difficult production and application, etc. , to achieve the effect of improving treatment effect, reducing pollution and increasing efficiency
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[0037] Refer to attached picture. The recovery process of PVC centrifugal mother liquor waste water provided by the present invention, it comprises the following processing steps successively to the processing of PVC centrifugal mother liquor waste water:
[0038] 1) Use the self-cleaning filter to treat PVC centrifuge mother liquor wastewater, and effectively recover the PVC pellets from the backwash liquid of the self-cleaning filter, and return the recycled PVC pellets to the centrifuge of the original production line. The equipment can be equipped with an enhanced cleaning device, and if necessary, a super strong backwash can be performed on the system to ensure that the filter can fully recover its performance. Regardless of the turbidity of the incoming water, the turbidity of the self-cleaning filter outlet water should be kept below 20NTU, which will have a good guarantee for the subsequent system.
[0039] The backwash liquid is combined with the mother liquor wastew...
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