哈尔滨商业大学学报（自然科学版）2017，Vol.33Issue(4)：411-414,431,5.
有机负荷冲击对缺氧-好氧活性污泥系统的影响
Effect of impulse organic loading rate on anoxic-oxic operated activated sludge system
摘要
Abstract
In order to investigate the effects of impulse organic loading rate on activated sludge system, sequencing batch reactors (SBR) operated as anoxic-oxic pattern were used to carry out parallel experiments.Through changing influent organic substrate concentration, COD, nitrogen, phosphorus removal and sludge characteristics were investigated under different organic loading rate impulse condition.The results showed that sharp decrease organic loading rate (from 0.15 to 0.07 kgBOD5/ (kgMLSS ·d)) can only influence TN and TP removal performances.When organic loading rate increased sharply (from 0.15 to 0.30~0.45 kgBOD5/ (kgMLSS ·d)), the adsorption effect during anoxic phase could buffer influent impulse in a short time, but the COD, nitrogen, phosphorus removal and sludge settle ability would deteriorate dramaticlly in a long time.The bigger impulse degree, the earlier deterioration happened.Compared with low impulse load, the activated sludge flocs become more porous and bigger size under high impulse load condition.The factors such as filamentous bacteria proliferation, sludge viscosity increase and density decrease lead to sludge disintegration, settle ability deterioration, and the effluent after sedimentation become more turbidity.关键词
有机负荷/SBR/脱氮除磷/污泥沉降性Key words
organic loading rate/SBR/nitrogen and phosphorus removal/sludge settle ability分类
资源环境引用本文复制引用
彭赵旭,彭志远,田林青,张亚方,陈干..有机负荷冲击对缺氧-好氧活性污泥系统的影响[J].哈尔滨商业大学学报（自然科学版）,2017,33(4):411-414,431,5.基金项目
高等学校重点科研项目(17A560029) （17A560029）
