[油气] filter aid
... 缓蚀剂 corrosion inhibitor 助滤剂 filter aid 絮凝剂 flocculant ...
Perlite Filter ; expanded perlite filter aids ; Perlite Filter Aid
Diatomite Filter Aid ; Diatomaceous Earth Filter Aid
涂料 precoat filter
能提高滤液过滤效率的物质。为防止滤渣堆积过于密实,使过滤顺利进行,而使用细碎程度不同的不溶性惰性材料。