Treatment system and method of coking wastewater
A technology for coking wastewater and treatment system, applied in water/sewage treatment, chemical instruments and methods, water/sewage multi-stage treatment, etc. Improved biodegradability and low treatment costs
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Embodiment 1
[0023] This embodiment provides a treatment system for coking wastewater, which is mainly used for treating coking wastewater. Under the premise of improving the biodegradability of wastewater without adding domestic sewage, the treated coking wastewater can reach the corresponding standard. Such as figure 1 As shown, the treatment system includes: regulating tank 1, electroflocculation reactor 2, biochemical treatment equipment, secondary sedimentation tank 6, coagulation reaction tank 7 and coagulation sedimentation tank 8;
[0024] Among them, the adjustment tank 1 is provided with a water inlet A for introducing the treated coking wastewater, and the water outlet of the adjustment tank 1 is connected with the electroflocculation reactor 2, the biochemical treatment tank, the secondary sedimentation tank 6, the coagulation reaction tank 7 and the coagulation sedimentation tank in sequence. The pool 8 is connected; the coagulation sedimentation tank 8 is provided with an out...
Embodiment 2
[0034] This embodiment provides a treatment system for coking wastewater, which is mainly used for treating coking wastewater. Under the premise of improving the biodegradability of wastewater without adding domestic sewage, the treated coking wastewater can reach the corresponding standard. Such as image 3 As shown, the structure of the treatment system is basically the same as the treatment system provided in Example 1, the difference is that the biochemical treatment equipment of the treatment system consists of the first aerobic tank 3, the second aerobic tank 16, the first aerobic tank pool 4, the second aerobic pool 5, blower fan 9, return pipe and return pump 19; wherein, the first and second aerobic pool 3 and the second aerobic pool 16, the first aerobic pool 4 and the second aerobic pool 5 Connect sequentially, wherein, the first xeroxic pool 3 and the second xeroxic pool 16 are of an integrated structure, specifically adopt an integral reaction pool as the xeroxic ...
Embodiment 3
[0038] This embodiment provides a treatment method for coking wastewater. The treatment system given in the above-mentioned Example 1 or Example 2 can be used to make the treated biochemical wastewater reach the corresponding standard. The method includes:
[0039] Regulating treatment: make the treated coking wastewater enter the regulating pool of the treatment system, and adjust the water volume of coking wastewater through the regulating pool;
[0040] Electrocoagulation treatment: the effluent from the regulating pool enters the electrocoagulation reactor for electrocoagulation reaction, and the electrocoagulation reaction time for the effluent of the regulating pool is 10 to 15 minutes in the electrocoagulation reactor, and the difficult organisms in the coking wastewater are destroyed by the electrocoagulation reaction Degraded organic matter structure and remove part of organic matter, greatly weaken the inhibition of wastewater on microorganisms, improve the biodegrada...
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Abstract
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