煤气化废水深度处理技术研究  

Study on the advanced treatment technology of gasification wastewater

作　　者：吴翠荣[1] 

机构地区：[1]淄博职业学院化工系,山东淄博255000

出　　处：《工业水处理》2012年第5期73-75,共3页Industrial Water Treatment

摘　　要：首次采用预处理+二级生物处理+深度处理组合工艺处理煤化工废水。其中预处理(隔油-气浮-脱酚-蒸氨)以脱油、去除悬浮物、回收酚类和氨为目的,二级生物处理(二级内循环UASB-ABFB)是降解以非挥发酚为主的COD和生物脱除高浓度氨氮,最后采用臭氧活性炭工艺深度处理残余的COD。该工艺出水能达到《污水综合排放标准》(GB 8978—1996)一级标准要求,具有耐冲击负荷和出水水质稳定的特点。The combined process （pre-treatment combining＋secondary biological treatment＋advanced treatment） has been used for treating gasification wastewater for the first time. The pretreatment process （oil separating-air flotation -dephenolization-ammonia distillation） is aimed at de-oiling, suspended solids removing, recovery of phenols and ammonia. The secondary biological treatment process （secondary internal circulation UASB-ABFB） is mainly for dealing with the degradation of COD,which contains non-volatile phenol,and the biological removal of highly concentrated ammonia-nitrogen. At the end,ozone-activated carboon process is used for the advanced treatment of residual COD. The effluent water can meet the first class of the Integrated Wastewater Discharge Standard （GB 8978-1996）, having the characteristics of impact resistance load and stability of effluent water quality.

关 键 词：煤气化废水 内循环上流式厌氧污泥床 曝气生物流化床 深度处理 

分 类 号：X703[环境科学与工程—环境工程]