水解酸化-SBR工艺处理豆腐加工废水  

Hydrolysis Acidification-SBR Process for Treatment of Tofu Processing Wastewater

作　　者：田葳[1] 张伦秋[1] 

机构地区：[1]辽宁石油化工大学石油与天然气工程学院,辽宁抚顺113001

出　　处：《中国给水排水》2017年第10期116-119,共4页China Water & Wastewater

摘　　要：采用气浮-混凝沉淀作为预处理、水解酸化-SBR作为主工艺处理沈阳某豆腐坊高浓度有机废水,处理水量为40~45 m^3/d。以自行研制的混凝-斜板沉淀一体化净水装置、有深度处理功效的石英砂及GAC压力滤罐的组合工艺为特色。当进水COD、BOD5、SS、NH3-N浓度分别为38 250~40 530、21 890~24 230、528~1 258、47~54 mg/L时,经该工艺处理后,实际出水水质优于《污水综合排放标准》(GB 8978—1996)的一级标准。介绍了工艺流程,并给出了主要处理构筑物及设施的设计参数。The combination process, in which the flotation-coagulation and sedimentation were used as pretreatment stage, hydrolysis acidification -SBR was adopted as main process, was applied to treat high concentration organic wastewater from a tofu mill in Shenyang City, with the design capacity as 40 ～ 45 m^3/d. Both the independently developed integrated purification reactor, e.g. coagulation-in- clined plate sedimentation reactor, and the advanced treatment process combined by quartz sand and GAC pressure filters were the characteristics of the wastewater treatment project. When the concentrations of the influent COD, BOD5, SS, NH3 -N were 38 250 -40 530 mg/L, 21 890 -24 230 mg/L, 528 - 1 258 mg/L and 47 -54 mg/L respectively, after this process treatment, the final effluent quality was superior to the requirements of the first level criteria specified in the Integrated Wastewater Discharge Standards （GB 8978 -1996）. In this paper, the treatment process flow was introduced, and the design pa- rameters of the main treatment structures and facilities were summarized as well.

关 键 词：豆腐加工废水 气浮 混凝沉淀 水解酸化 SBR 石英砂滤罐 GAC滤罐 

分 类 号：X792[环境科学与工程—环境工程]