Stabilization of arsenite wastes with prior oxidation

被引：14
|
作者：
Fuessle, RW [1 ]
Taylor, MA
机构：
[1] Bradley Univ, Dept Civil Engn & Construct, Peoria, IL 61625 USA
[2] Bradley Univ, Dept Chem, Peoria, IL 61625 USA
来源：
JOURNAL OF ENVIRONMENTAL ENGINEERING-ASCE | 2004年 / 130卷 / 09期
关键词：
stabilization; solidification; leaching; arsenic; oxidation; waste treatment;
D O I：
10.1061/(ASCE)0733-9372(2004)130:9(1063)
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The stabilization of arsenite hazardous waste is more difficult than arsenate waste. Oxidation of arsenite was investigated as a pretreatment before stabilization of the resulting arsenate. The effectiveness of air oxidation was limited and depended on the amount of water present. Hydrogen peroxide oxidation was effective but limited by reactions with calcium hydroxide. After oxidation, the resulting arsenate waste was effectively stabilized using ferric sulfate.
引用
收藏
页码：1063 / 1066
页数：4
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