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 process for treating waste liquid of Dacromet paint, comprising the following steps:
[0053] Step 1, concentration adjustment: the dacromet waste liquid is passed through the concentration adjustment step, and the concentration of the dacromet waste liquid is adjusted to a concentration range convenient for redox reaction.
[0054] The concentration of the dacromet waste liquid adjusted in the first step is 10-15%.
[0055] Step 2, oxidation-reduction: the adjusted dacromet waste liquid in step 1 undergoes oxidation, electrochemical and reduction reactions in sequence, and the dacromet waste liquid is separated into layers.
[0056] The redox process described in step 2 specifically includes the following steps:
[0057] ⑴ Oxidation: ORP oxidation-reduction potentiometer is used in the treatment of wastewater to transfer heavy metals to Z under automatic control. n 2+ 、C r 6+ , Metal Al 3+ Add oxidant to Dacromet wastewater such as various fiber materials to ma...
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