Treatment method of waste water discharged by silicon carbide micro powder production device
A technology for silicon carbide micropowder and production equipment, which is applied in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. The effect of concentrated collection, easy collection and reduction of equipment investment
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[0052] The method for treating wastewater discharged from a silicon carbide micropowder production device of the present invention is characterized in that:
[0053] ①. The wastewater discharged from the pickling section and the wastewater discharged from the alkali washing section are collected separately for pH adjustment of wastewater treatment;
[0054] ②. Composite flocculant formulated with inorganic flocculant A and organic flocculant B;
[0055] Including the following steps:
[0056] a. Neutralization
[0057] Appropriate amount of wastewater from pickling wastewater pool 1 and alkali washing wastewater pool 2 is controlled through valves 9 and 10, and added to the neutralization pool 3 of wastewater discharged from the silicon carbide micropowder production plant, and the pH is adjusted to 6-9;
[0058] b. Flocculation
[0059] Pump the wastewater from the neutralization tank 3 with a pH of 6 to 9 into the flocculation tank 4, then add the inorganic flocculant A i...
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