According to the latest coking pollutant emission standards,a company modified the original biochemical treatment system for coking wastewater treatment of A2/O method(anaerobic-anoxic-oxic biological nitrogen and phosphorus removal process),and at the same time increased the depth treatment system for the effluent,so that the treated coking wastewater meets the standard for recycled water replenishment.After more than 4 months of trial operation,the system is running stably and has reached the expected transformation goals
关键词
焦化废水/生物流化床/深度处理/A2/O工艺
Key words
coking wastewater/biofluidized bed/deep treatment/A2/O process
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