Salting-out and diluent effects in extraction process of oxalic acid by trialkyl phophin oxide

被引：0
|
作者：
Zhang, Ping [1 ]
Cai, Shuihong [1 ]
Zhang, Qiuhua [1 ]
机构：
[1] East China Univ of Science and, Technology, Shanghai, China
来源：
Hua Dong Li Gong Da Xue/Journal of East China University of Science and Technology | 1994年 / 20卷 / 03期
关键词：
Leaching;
D O I：
暂无
中图分类号：
O6 [化学]; TQ03 [化学反应过程]; TQ02 [化工过程（物理过程及物理化学过程）];
学科分类号：
0703 ; 081701 ; 081704 ;
摘要：
It is discovered that under the same conditions the distribution coefficient of oxalic acid D decrease with different diluents in the order of aromatic hydrocarbon, alkane, halogenated hydrocarbon. This order is independent of the concentration of extractant in the organic phase. For the salting-out agents used in extraction of oxalic acid, the effect has the following order: MgCl2>NaCl>KCl. D decreases and then increases with increasing concentration of salting-out agents in the aqueous phase, and the minimum D appears at 0.5-1.0 mol/L.
引用
收藏
页码：312 / 316
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