In view of the characteristics of liquor wastewater such as high organic matters content,good biodegradability,high chroma,high suspend substance concentration,and so on,a combined process of IC anaer-obic-two stage AO-advanced treatment was adopted by an enterprise for the said kind of wastewater treatment.The project operation results showed that,when mass concentrations of COD,BOD5,NH3-N were not above 11 750,5 875,60 mg/L respectively,the corresponding indexes of the effluent water were not above 30,6 and 1.5 mg/L respectively,which met the requirement of class Ⅳ in GB 3838-2002 Environmental quality standards for sur-face water,other indexes met the water quality standard for urban greening and road cleaning as outlined in GB/T 18920-2020 The reuse of urban recycling water-water quality standard for urban miscellaneous use.
维普
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