Method for reducing COD content in discharged wastewater of cyclohexanone device
A cyclohexanone, a technology outside the device, applied in the field of cyclohexanone production, can solve the problems of incomplete separation of condensate, large amount of waste water discharged, and high COD content, so as to reduce the discharge of gas phase, save consumption, and reduce organic matter. The effect of content
Active Publication Date: 2020-04-17
CHINA PETROLEUM & CHEM CORP +1
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Abstract
The invention discloses a method for reducing COD content in discharged wastewater of a cyclohexanone device, wherein on the premise of ensuring a water seal function of a condensate recovery tank, the condensate in the condensate recovery tank is continuously or discontinuously pumped into a decomposition reaction kettle by arranging a booster pump. According to the invention, a condensate recovery tank and decomposition reaction kettle series production process is designed, the condensate in a condensate recovery tank is continuously or discontinuously pumped into a decomposition reaction kettle by arranging a booster pump, the condensate as the supplemented water of the decomposition reaction kettle can replace process water to supplement the decomposition reaction kettle while the condensate is extracted and separated through a large amount of cyclohexane in the decomposition liquid, so that the content of the organic matter in the condensate is reduced.
Application Domain
Water treatment parameter controlMultistage water/sewage treatment +2
Technology Topic
CyclohexanesDecomposition +5
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