Technology for treating waste liquid of dacromet
A waste liquid treatment, dacromet technology, applied in filtration treatment, water/sewage treatment, reductive water/sewage treatment, etc., can solve the problem of low pollution, achieve high recycling rate, obvious energy saving and emission reduction, treatment low cost effect
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[0052] A dacromet coating waste liquid treatment process includes the following steps:
[0053] Step 1, concentration adjustment: pass the dacromet waste liquid through the concentration adjustment step to adjust the concentration of the dacromet waste liquid to a concentration range that is convenient for the oxidation-reduction reaction.
[0054] The concentration of the dacromet waste liquid adjusted in step one is 10-15%.
[0055] Step two, oxidation and reduction: the dacromet waste liquid adjusted in step one is subjected to oxidation, electrochemistry and reduction reactions in sequence, and the dacromet waste liquid is layered.
[0056] The oxidation-reduction process in step two specifically includes the following steps:
[0057] ⑴Oxidation: Use ORP redox potentiometer in the treatment of wastewater to transfer heavy metal Z n 2+ , C r 6+ , Metal Al 3+ Add oxidant to Dacromet wastewater of various fiber materials to cause oxidation reaction;
[0058] ⑵Electrochemical treatment: ...
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