活性污泥法中泡沫问题的产生与控制技术 丁峰 彭永臻 董文艺 王淑莹 高春娣 周利 摘 要:对国内外活性污泥法中产生泡沫的危害、机理及影响因素的研 究结果表明:诺卡氏菌群(Nocardia amarae,Nocardia pinensis),微丝 菌(Microthrix parvicella),放线菌(Actinomycetes)的过量增殖是泡 沫产生的主要原因。它与温度、pH 值、F/M 值及底物种类,工艺运行条 件密切相关;结合活性污泥动力学、污泥膨胀理论和工程实践,综合控 制泡沫的技术措施有:控制 MCRT 与选择器技术、SFW 技术、分类选择器 技术和喷洒各种药剂等。 关键词:活性污泥法 泡沫控制 细胞平均停留时间(MCRT) 选择器 Formation and Control of Foam in Activated Sludge Process Ding Feng et al Abstract:The researches on the formation mechanism,influence factor and hazards of foam problem in activated sludge process have shown,that it is mainly caused by excess growth of Nocardia amarae,Nocardia pinensis,Microthrix parvicella and Actinomycetes and intently related to the circumstance factors such as the temperature,pH value,F/M ratio,the kinds of benthonic substances and the operating conditions of the activated sludge system.The foam control measures like the MCRT control and bio-selection,SFW technology,classified selector and chemical dosage have been developed on the basis of kinetic of activated sludge and the theory and practice of sludge bulking.