Physical-chemical mechanisms in slow sand filters

被引:66
|
作者
WeberShirk, ML
Dick, RI
机构
[1] Sch. of Civ. and Environ. Eng., Cornell University, 221 Hollister Hall, Ithaca
[2] Goshen College, Goshen, IN
[3] Cornell University, Ithaca, NY
[4] Department of Engineering, Cornell Sch. Civ. and Environ. Eng.
来源
关键词
DEEP BED FILTRATION; RETAINED PARTICLES; REMOVING GIARDIA; WATER; CYSTS;
D O I
10.1002/j.1551-8833.1997.tb08164.x
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Physical-chemical and biological particle removal mechanisms in slow sand filters were investigated at bench scale. Physical-chemical particle removal mechanisms were significant for particles throughout the size range analyzed (0.75-10 mu m). Influent particle concentration and previously removed particles affected physical-chemical particle removal. Particle removal efficiency increased with particle accumulation within the filter bed.
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页码:87 / 100
页数:14
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