由萃余液可沉淀出碳酸镍粗产品。
本论文用溶剂萃取法对四种原煤及其氧化产物和五种萃余煤及其氧化产物进行了族组分分离并用GC/MS 对各族组分进行分析。
Oxidation products of four raw coals and five extracted coals using hydrogen peroxide under mild conditions have been fractionated by solvent extraction and analyzed with GC/MS.
萃取提锗后的萃余液经除油处理后，对锌电解工艺无不良影响。
After deoiling, the remainder solution can be used for zinc electro-winning without negative effects.
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