Purification treatment process for waste plastic washing wastewater
A technology for purifying and treating waste plastics, applied in water/sewage treatment, water/sludge/sewage treatment, flocculation/sedimentation water/sewage treatment, etc. Effect
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[0029] Examples such as figure 1 As shown, a purification treatment process of waste plastic washing sewage includes the following steps:
[0030] 1. In the mixing step, the washing wastewater is discharged into the purification tank. Taking the length * width * depth = 4 meters * 4 meters * 2 meters as an example, the depth of injecting sewage is 1.6 meters. When the sewage is injected into 1.6 meters, stop the injection of sewage and start The mixing pump is used for mixing. The mixing pump is a submersible slurry pump mixer. The submersible slurry pump mixer is used, which has low investment, easy production, and uniform flow rate of the mixing water.
[0031] 2. Flocculation and sedimentation steps:
[0032] A. First flocculation and sedimentation steps
[0033] Add 1# flocculation purification agent, 1# flocculation purification agent is polyacrylamide according to the proportion, the adding amount is eight hundred thousandths of the sewage weight, and stir to obtain the prelimi...
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