CAJ | 학술논문

文章采用曝气生物滤池（BAF）预处理微污染水源水，对反冲洗参数、最佳反冲洗工况下出水SS和不同挂膜方法下系统反冲洗前后生物量变化进行了试验研究。试验结果表明：气冲洗强度、水漂洗时间、气预冲洗时间分别是反冲洗前后滤池生物活性变化率、反冲洗结束时出水浊度及反冲洗能耗的最大影响因素；BA F预处理微污染水源水最佳反冲洗工艺条件如下：气冲洗强度为7.5L／（s·m2），气预冲洗时间为6min，水冲洗强度为1.5 L／（s · m2），气水联合冲洗时间为4.5 min ，水漂洗时间为4 min。在最佳反冲洗工况下，反冲洗出水SS变化基本与反冲洗出水浊度变化相吻合；反冲洗前后，接种挂膜、自然挂膜下系统生物量分别减少27.43％、21.44％。
문장채용폭기생물려지（BAF）예처리미오염수원수，대반충세삼수、최가반충세공황하출수SS화불동괘막방법하계통반충세전후생물량변화진행료시험연구。시험결과표명：기충세강도、수표세시간、기예충세시간분별시반충세전후려지생물활성변화솔、반충세결속시출수탁도급반충세능모적최대영향인소；BA F예처리미오염수원수최가반충세공예조건여하：기충세강도위7.5L／（s·m2），기예충세시간위6min，수충세강도위1.5 L／（s · m2），기수연합충세시간위4.5 min ，수표세시간위4 min。재최가반충세공황하，반충세출수SS변화기본여반충세출수탁도변화상문합；반충세전후，접충괘막、자연괘막하계통생물량분별감소27.43％、21.44％。
The technology of biological aerated filter (BAF) was used for the pretreatment of micro‐polluted wa‐ter .The backwashing parameters ,the SS of effluent under the optimal condition of backwashing and the bio‐mass changes of BAF with different formation methods after backwashing were discussed .The experimental result shows that air‐backwashing intensity ,water‐backwashing time and single air‐backwashing time are the most important impact factor of the change rate of bioactivity ,the turbidity of backwashing water and the en‐ergy consumption of backwashing respectively .The optimal backwashing parameters of BAF used for the pre‐treatment of micro‐polluted water are as follows :air‐backwashing intensity is 7.5 L/(s · m2 ) ,single air‐backwashing time is 6 min ,water‐backwashing intensity is 1.5 L/(s · m2 ) ,air‐water‐backwashing time is 4.5 min and single water‐backwashing time is 4 min .The change of SS in backwashing water is coincident with the turbidity of backwashing water under the optimal condition of backwashing ,and the amount of bio‐mass formatted by inoculated formation or natural formation in BAF decreases by 27.43% and 21.44% re‐spectively after backwashing .