低pH下饮用水生物除铁试验研究  

Experimental research of biological removal of iron in drinking water under low pH condition

作　　者：任文辉[1] 余健[1] 郭照光[1] 禹丽娥[1] 

机构地区：[1]湖南大学土木工程学院,湖南长沙410082

出　　处：《工业水处理》2007年第1期55-57,86,共4页Industrial Water Treatment

基　　金：国家自然科学基金资助项目(50179011);湖南省建设厅资助项目(20000201)

摘　　要：通过试验,探讨了低pH条件下饮用水生物滤池除铁的效果及其证据。结果表明,当pH为5.7～5.9,水温为25～28℃,DO为0.7～1.5 mg/L,EBCT为7.5 min时,生物滤池具有良好的除铁效果;在生物除铁滤池内,滤层除铁机理主要为生物氧化作用。Through some experiments, iron removal by the biological tilter has been stuaiea, ana me mecnanism of iron removal has been investigated under low pH condition. When pH is 5.7- 5.9, water temperature is 25- 28℃ ,DO is 0.7- 1.5 mg/L, and EBCT is 7.5 min, the biological filter has good effect on iron removal. In the biological filter the mechanism of iron removal of filter layer mainly is biological oxidation action.

关 键 词：饮用水 生物滤池 除铁 生物氧化 

分 类 号：TU991.2[建筑科学—市政工程]