%0 Journal Article
%T Comparison on the Performance of Biostyr and Bio-ceramic Filter Used for Biological Pretreatment of Raw Water<br>原水生物预处理的轻质滤料滤池和陶粒滤池运行效果对比
%A SANG Jun-qiang
%A ZHANG Xi-hui
%A ZHANG Sheng
%A WANG Zhan-sheng
%A <br>桑军强
%A 张锡辉
%A 张声
%A 王占生
%J 环境科学
%D 2004
%I 
%X A new biological filter called biostyr using biostyrene as media to purify raw water was compared with the widely studied bio-ceramic filter. The raw water was taken from a reservoir located in Northern China. It was shown this new biological filter could obviously improve the raw water quality. As far as the raw water investigated in this study was concerned, the removal percentage of COD(Mn), NH4+-N in the filter was 5%-20%, 80%-95%, respectively, and turbidity of the raw water decreased correspondingly, which indicated the feasibility that this filter could be applied in the field of biological pretreatment of raw water. It was also shown that under the uniform operating conditions, the performance of this new filter on the removal of contaminants, especially organics and turbidity, was slightly inferior to the bio-ceramic filter and would be more remarkably affected adversely by backwashing than bioceramic filter.
%K biological pretreatment
%K biostyrene
%K bio-ceramic filter
%K raw water
%K drinking water
%K backwashing<br>生物预处理
%K biostyrene轻质滤料
%K 生物陶粒滤池
%K 原水
%K 饮用水
%K 反冲洗
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=80B0336D6DA982A6&yid=D0E58B75BFD8E51C&vid=C5154311167311FE&iid=38B194292C032A66&sid=1371F55DA51B6E64&eid=BE33CC7147FEFCA4&journal_id=0250-3301&journal_name=环境科学&referenced_num=5&reference_num=8