... back extraction method 反萃取法 ; 逆萃取法 Extraction and back extraction 萃取反萃取 back pre ure extraction turbine 背压式抽汽汽轮机 ...
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Calcium magnesium acetate (CMA) can be prepared by extraction of acetic acid from dilute acetic acid wastewater using trioctylamine and then by back extraction using dolomite lime.
用三辛胺萃取醋酸废水中的醋酸，加入白云石灰乳反萃，可制得环保型除冰剂醋酸钙镁盐(CMA)。
The major factors of affecting extraction and back-extraction were discussed. The better technological conditions were obtained.
分析了影响萃取及反萃取取的因素，获得了较佳工艺条件。
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