气浮-微电解-两级AO-MBR-混凝处理果仁类食品废水的工程实例  

Case study of the air flotation-micro-electrolysis-two stage aerobic-MBR-coagulation process on nut wastewater treatment

作　　者：李俊华 吕健 LI Junhua;LYU Jian(Technique Department,Foshan Gaoming Harvest Fair Water Treatment Co.,Ltd.,FoShan 528500,China;Foshan Gaoming Ninghui Meat Processing and Foods Co.,Ltd.,Foshan 528500,China)

机构地区：[1]佛山市高明区浩辉水处理有限公司,佛山528500 [2]佛山市高明区宁汇肉联食品有限公司,佛山528500

出　　处：《给水排水》2024年第1期78-80,85,共4页Water & Wastewater Engineering

摘　　要：针对某果仁食品废水果胶含量大、色度高、有机物浓度高等特点,设计采用曝气调节-气浮-铁碳微电解-混凝-两级AO-MBR-混凝沉淀组合工艺进行处理,介绍了该组合工艺的流程、主要设计参数及处理效果。进水COD、TN、TP的浓度分别为3468、59.13、13.23mg/L。废水经过该组合工艺处理后,COD、TN、TP的去除率可达到99.45%、93.40%、99.70%,出水水质优于《广东省水污染排放限值》(DB44/26-2001)第二时段一级排放标准。In response to the characteristics of high pectin content,elevated coloration,and high organic matter concentration in wastewater from nut-based food processing,a certain engineering project was designed to utilize a combination of aeration regulation,dissolved air flotation,iron-carbon electrocoagulation,coagulation,two-stage aeration/oxidation,membrane bioreactor,and coagulation sedimentation processes.This study presents the process flow,key design parameters,and treatment outcomes of this combined technology.The influent wastewater had concentrations of COD,TN,and TP at 3468,59.13,and 13.23 mg/L,respectively.After treatment with the combined process,removal rates of COD,TN,and TP reached 99.45%,93.40%,and 99.70%,respectively,surpassing the discharge standards for the second period of the first-grade e-missions as specified in the Guangdong provincial zwater pollution emission standards(DB 44/26-2001).

关 键 词：果仁食品废水 气浮 AO生化 MBR 

分 类 号：X703[环境科学与工程—环境工程]