A kind of electroplating sewage synergistic treatment process
A technology for co-processing and sewage treatment, applied in water/sewage treatment, multi-stage water/sewage treatment, neutralized water/sewage treatment, etc. It can solve the problems of easily exceeding the standard, high treatment cost, and difficult to remove, and achieve cost savings. , reduce the effect of substandard ingredients
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[0016] The embodiments of the present invention will be described in detail below, however, the embodiments of the present invention are not limited thereto. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] In the embodiment of the present invention: a kind of electroplating sewage cooperative treatment process comprises the following steps:
[0018] Step 1: Discharge the wax removal wastewater, nickel-containing wastewater, and chromium-containing wastewater into the mixing tank for mixing, adjust the pH to 3 with sulfuric acid, and blow air for 3 hours until the color of the water in the mixing tank is yellow; among them, the chromium-containing wastewater The dosage is more than twice the sum of the amount of wax removal wastewater and nickel-containing wastewater. Since the national standard for the deter...
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