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1)  filter material
滤料性能
1.
Influence of filter material on the effect of removal of Fe2+and Mn2+from groundwater;
滤料性能对地下水去除铁锰效果的影响
2)  functional filter material
功能性过滤材料
1.
One kind of new waterproof and guard against the oil functional filter material was obtained.
采用涂层法对针刺非织造空气过滤材料进行纳米氧化铝—氧化硅功能性整理,得到一种新的拒水拒油功能性过滤材料,其拒水性能达到4级,拒油性能达到130分。
3)  Function filter material
功能滤料
4)  functional air filter material
功能性空气过滤材料
1.
Present research on nano functional air filter materials;
纳米功能性空气过滤材料的研究进展
2.
Progress in research of novel functional air filter material
新型功能性空气过滤材料研究进展
5)  modified filter media
改性滤料
1.
Discussion on fluoride removal technique with modified filter media;
改性滤料除氟技术的探讨
2.
A conception that zero-valence iron nonoparticle,as a kind of modifier,can be used as modified filter media is put forward.
简要叙述了纳米级零价铁的制备方法,并提出了把纳米级零价铁做为改性剂改性滤料的设想。
3.
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
6)  Denatured filtering media
变性滤料
1.
Denatured filtering media are used in the filtration process for iron removal, which can improve water quality during initial filtering.
在过滤除铁工艺中,利用变性滤料可以很好地改善初期水的水质,使滤池一投入使用出水水质即能满足水质要求,同时也大大地缩短了滤料的成熟期。
补充资料:多层滤料滤池
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性质:一种下流式重力深床滤池。一般采用3种滤料,上层为无烟煤(粒径1~2mm),中层为砂(粒径0.4~0.8mm),底层为石榴石(粒径<0.5mm)。过滤速度为10m/h,反冲强度为48~72m/h。在对生物处理后的出水进行过滤时,需采取某种形式的辅助冲洗措施。

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