Sewage treatment method of a delayed coking device
A sewage treatment method and delayed coking technology, applied in water/sewage treatment, flotation water/sewage treatment, water/sewage multi-stage treatment, etc., can solve problems such as coking sewage treatment difficulties, and achieve strong pertinence and easy settlement Layered, low-volume effects
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[0065] as attached figure 1 As shown, the delayed coking plant sewage treatment method of the present invention, the method is specifically as follows:
[0066] (1) Pretreatment: Inject the demulsifier with active conversion agent, high-efficiency dispersant and flocculant into the pretreatment module S1, wherein the active conversion agent adopts polyoxyethylene polyoxypropylene polyether with multi-branch structure, The addition amount is 50-100mg / L; the high-efficiency dispersant uses polyacrylamide cationic polymer copolymer, and the addition amount is 0-5mg / L; the flocculant uses polyaluminosilicate, and the addition amount is 0-50mg / L; The temperature in the treatment module is 40-90°C. After the sewage is mixed with a demulsifier, it is buffered, settled and stratified in the pretreatment module S1, and then discharged to the downstream for treatment; as attached figure 2As shown, the pretreatment module S1 includes a raw water tank S1-1 and a waste oil tank S1-2, the...
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