好氧颗粒污泥技术处理味精废水  

Treatment of Monosodium Glutamate Production Wastewater by Aerobic Granular Sludge Process

作　　者：赵晴[1] 何青[2] 于鲁冀[2] 王震[2] 杨强[2] 

机构地区：[1]河南工业大学土木建筑学院,河南郑州450052 [2]郑州大学水利与环境学院,河南郑州450002

出　　处：《化工环保》2012年第4期325-328,共4页Environmental Protection of Chemical Industry

基　　金：国家水体污染控制与治理科技重大专项(2009zx07201-002-002.1)

摘　　要：采用好氧颗粒污泥技术处理味精废水。实验结果表明:前置缺氧段对反应器脱氮效果影响较小,脱氮过程主要是在好氧段实现;曝气段的最佳工艺条件为曝气量0.38 m3/h,曝气时间5.5 h;在进水COD、ρ(NH3-N)和TN分别为1 000.00～1 300.00,70.00～130.00,100.00～200.00 mg/L的条件下,COD、NH3-N和TN的去除率可分别维持在90%、99%和85%以上,实现了味精废水的高效脱氮处理。有机物主要在曝气初期的1.5 h内被去除,其在微生物体内以聚β-羟基丁酸形式储存,以提供反硝化过程中所需要的碳源。与普通SBR相比,接种好氧颗粒污泥后的反应器对味精废水具有更好的处理效果。Monosodium glutamate production wastewater was treated by aerobic granular sludge process. The experimental results show that： The effect of the pre-setting anoxic section on denitrification is little, and the denitrification process is mainly realized in the aerobic section; The optimum operation conditions in aerobic section are aeration rate 0.38 m^3/h and aeration time 5.5 h; When COD, ρ（NH3-N） and TN of the influent are 1 000.00-1 300.00, 70.00-130.00, 100.00-200.00 mg/L, the removal rates of COD, ρ（NH3-N） and TN can reach more than 90%, 99% and 85% respectively; The organic compounds are mainly removed during the first 1.5 h of aeration, and they are stored in microorganism cells in the form of poly-β-hydroxybutyrate, which is the carbon source for denitrification. Comparing with the conventional SBR, the aerobic granular sludge process has a higher effect on the treatment of monosodium glutamate production wastewater.

关 键 词：好氧颗粒污泥 味精 同步硝化反硝化 脱氮 聚Β-羟基丁酸 废水处理 

分 类 号：X703[环境科学与工程—环境工程]