Treatment process for heavy metal wastewater
A technology for wastewater treatment and heavy metals, which is used in neutralizing water/sewage treatment, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc. Membrane can not achieve 100% filtration and other problems, to achieve the effect of saving land area, saving chemicals, and improving work efficiency
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[0019] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the examples.
[0020] The heavy metal waste water enters the collection pool 1 to collect the waste water. The waste water in the collection pool 1 is introduced into the grease trap 2. The waste water enters the grease trap 2 and stays for 30 minutes. 8h, the effluent enters the pH adjustment tank I4 and adds liquid caustic soda 15 to adjust the pH value between 8.0-10.0. The effluent from the pH adjustment tank I4 enters the tubular ultrafiltration membrane system 6 for filtration through the concentration tank 5; the concentration tank 5 receives the previous process At the same time, it receives concentrated water that continuously flows back from the tubular ultrafiltration membrane system 6 containing suspended solids; the tubular ultrafiltration membrane system 6 is composed of a circulation pump 7, a tubular ultrafiltration mem...
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