Use activated carbon filter must grade filter before having, otherwise will reduce active efficiency of charcoal because of other pollutant in the air.
使用活性碳过滤必须有前级过滤，否则，会由于空气中其它污染而降低活性碳的效率。
There are many filtering role of water purification equipment, sand filter, activated charcoal, Chaolu:, to a certain extent, purify water.
有过滤作用的净水器很多，有砂滤、活性炭、超滤等，都能在一定程度上净化水源。
Slow due to oil circulation through the oil filter on a small number of difficult to wear down promptly at the end of metal debris, charcoal tablets, wash the dust away from the friction surface.
由于润滑油循环速度慢，通过润滑油滤清器的次数就少，难以及时将磨损下来的金属末屑、炭粒、尘埃从摩擦表面中清洗出去。
Methods outlined in the monograph include: use of crushed clay pots, bone charcoal, contact precipitation, or use of activated alumina (absorptive filter).
专著中概述的方法包括：使用粗砂壶、骨炭、接触沉淀，或使用活性氧化铝（吸收型过滤器）。
Charcoal is used to filter water.
木炭是用来过滤水的。
Effect of Hydraulic Loading on Charcoal Biological Aerated Filter for Treatment of Sewage
水力负荷对木炭填料生物滤池处理污水的影响
Filter B removes heavy metals and other contaminants through a combination of resin and charcoal filters.
系统通过树脂与炭综合过滤除去重金属成分和其他污染物。
Also some imported Vodkas may have been passed through a bone charcoal filter.
也有一些进口的伏特加酒可能已经渡过了骨炭过滤器。
Through experiment, we select filter equipment and medium which are filter to the mixture of cis-propylene phosphoric acide and alcohol separate palladium and charcoal catalyst completely, reduce losses, prevent producing by-products;
通过试验筛选并确定了（-）-顺-1,2-丙烯磷酸与乙醇的混合物最适宜的过滤装备与过滤介质，完全分离出钯炭催化剂，减少了损失，杜绝了副产物的产生；
Shaking was not sufficient for nicotine extraction in charcoal filter.
②振荡提取对活性炭滤嘴中吸附的烟碱量萃取不完全；
This filter is made from activated clays and charcoal and removes fine insoluble soil and non-volatile residues, along with dyes from the solvent.
此过滤器是由激活的粘土和木炭，并移除罚款不溶性的土壤和非挥发性残留物，随着染料溶剂。