extraction agent 萃取剂 ; 提取剂
solvent extraction agent 溶剂萃取剂
assisting extraction agent 助萃剂
FCC raw material oil-decompressed wax oil is used as extraction agent to pretreat FCC phenol-bearing wastewater.
作者选用催化原料油—减压蜡油为萃取剂，对催化裂化含酚废水进行脱酚预处理。
Taking industry benzene as extraction agent, rogor is recovered from rogor synthesis waste water by multipolar counterflow extraction.
用工业苯做萃取剂，采用多塔对流萃取的方法回收废水中的乐果。
The recovery of the extraction agent can reach 85%.
萃取剂回收利用率可达85%。
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