摘要
研究了厌氧折流板反应器(ABR)完全酸化期间各参数的变化情况.在酸化期间各隔室pH值均低于6.0,且均在5.0-6.0之间变化;出水与进水的COD质量浓度接近,COD去除率平均在10%;各隔室的挥发性脂肪酸(VFA)均大于1 g/L,该状况持续15 d后,通过降低COD负荷来恢复ABR,经过109 d的运行,COD去除率稳定在90%以上,ABR恢复正常.
The characteristics of hydrolysis-acidification and recover process in an anaerobic baffled reactor were investigated. During the hydrolysis-acidification period, pH of every compartment were lower than 6.0, all changed between 5.0-6.0 ;COD removal rate was 10 % only,and VFA of every compartment was higher than 1 g/L. This situation lasted for 15 d, after that,only by decreasing organic loading the system could be returned to the normal conditions after 109 d operation, and the COD removal rate reached 90 %.
出处
《河北师范大学学报（自然科学版）》
CAS
北大核心
2007年第2期225-227,232,共4页
Journal of Hebei Normal University：Natural Science
基金
河北省科技攻关项目(02276703B)
关键词
酸化
降低负荷
恢复
VFA
hydrolysis-acidification
decrease organic loading
recover
VFA
