Method By using extractor, water and ethanol were used as medium respectively.
方法用索氏提取器分别以水、乙醇为浸提介质。
Refinery waste water treating was tested with an annular centrifugal extractor for naphthenic acid recovery in Shengli Refinery of Qilu Petrochemical Company.
介绍用三辛胺萃取剂回收石油酸废水中环烷酸的工艺流程、萃取设备和工业试验结果。
Method By using Soxhlet extractor, water and ethanol were used as medium respectively.
方法用索氏提取器分别以水、乙醇为浸提介质。
The utility model has favorable effect on desulfurizing and removing dust, reforming time saving, cost saving, water saving and no secondary pollution, and waste water can be sent to a slag extractor.
本实用新型除硫和除微尘效果好，节省改造时间和资金，废水送到排渣机既节约用水又无二次污染。
The utility model has favorable effect on desulfurizing and removing dust, reforming time saving, cost saving, water saving and no secondary pollution, and waste water can be sent to a slag extractor.
本实用新型除硫和除微尘效果好，节省改造时间和资金，废水送到排渣机既节约用水又无二次污染。
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