ELECTROCHEMICAL TECHNOLOGY OF FLUORINE REMOVAL FROM UNDERGROUND AND WASTE-WATERS

被引：18
|
作者：
DRONDINA, RV
DRAKO, IV
机构：
[1] Institute of Applied Physics, Academy of Sciences of Moldova, Moldova
来源：
JOURNAL OF HAZARDOUS MATERIALS | 1994年 / 37卷 / 01期
关键词：
D O I：
10.1016/0304-3894(94)85037-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An improved method for removal of fluorine from ground water and of fluorine and chromium simultaneously from industrial waste waters is presented. The process consist of two stages, first iron(II) and calcium hydroxide solutions are added and the sediment is separated. In the second stage, after acidification, electrocoagulation using aluminium anode is applied, then, after further lowering of pH by an acid, the formed aluminium hydroxide with sorbed fluorine is removed by settling and filtration.
引用
收藏
页码：91 / 100
页数：10
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