Depollution of Acid Waste Waters Containing Cadmium Ions Using Liquid-Liquid Extraction

被引：0
作者：
Modrogan, Cristina [1 ]
Pincovschi, Irina [2 ]
Budea, Sanda [2 ]
机构：
[1] Univ Politehn Bucuresti, Dept Analyt Chem & Environm Engn, Bucharest 01061, Romania
[2] Univ Politehn Bucuresti, Dept Hydraul Hydraul Machinery & Environm Engn, Bucharest 060042, Romania
来源：
REVISTA DE CHIMIE | 2014年 / 65卷 / 10期
关键词：
cadmium extraction; tributylphosphate; metal recovery from waste waters; SOLVENT-EXTRACTION; SEPARATION; CD(II); ZN(II); ZINC; KEROSENE; CHLORIDE;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In the present work depollution of residual acid waters containing cadmium ions is presented. For depollution the tributylphosphate (TBP) as extractant has been used. The cadmium ions are very toxic and must be extracted from acid waters before their neutralization or recyclation. Different parameters affecting the extraction of cadmium ions as hydrochloric acid concentration and water-extractant rate have been studied. The obtained results put in evidence the big influence of hydrochloric acid concentration on cadmium extraction degree. The increasing of the HCI concentration determines the increasing of distribution coefficient.
引用
收藏
页码：1235 / 1237
页数：3
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