Coating wastewater treatment process
A technology of coating wastewater and process flow, applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of complex wastewater components, environmental pollution, hazards, etc., and achieve improvement Environmental quality, simple process, and the effect of improving utilization rate
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[0022] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0023] Described painting wastewater treatment technological process comprises the following steps:
[0024] Step 1: Filter the rust, copper rust blocks, and other massive objects generated during the pre-painting process of the workpiece through the coarse fence and the fine fence to remove the massive particles and scum.
[0025] Step 2: Pre-treat the grease wastewater generated during the workpiece coating process. The grease-containing wastewater is treated using physical methods, using an emulsifiable oil absorption machine to absorb grease.
[0026] The third step: after the second step of the oil-containing wastewater treatment, the oil-containing wastewater is concentrated in the grease-...
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