Treatment method of high-concentration fluorine-contained industrial wastewater
An industrial wastewater, high-concentration technology, used in chemical instruments and methods, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. simple craftsmanship
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[0015] The following is a detailed description of a treatment method for high-concentration fluorine-containing industrial wastewater according to the attached drawings: the wastewater generated by the fluoride salt in the water-washed polyetherketone, the temperature is 90℃, the weight is about 4.0 tons / kettle, and the concentration is 6000~10000mg / L .
[0016] Step one a. First send the fluorine-containing wastewater into the 4.0-ton reactor 4, such as figure 1 As shown, b. Then pour 91kg of CaO with a mass percentage of 85%, 0.21kg of chitosan, and 0.29kg of lignin into the beating tank 1, c. Open the bottom valve of the kettle and put the fluorine-containing wastewater into the beating tank 1. , D. Start the beating motor 3 to stir for three minutes, e. Then immediately start the slurry pump 2 to send all the slurry in the beating tank 1 into the reactor 4, stop the slurry pump 2, f. Start the reactor stirring motor to stir 30 minutes;
[0017] Step two a. Continue stirring i...
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