The chemistry of chromated copper arsenate III. Recovery of arsenic content from treatment plant sludges

被引：0
|
作者：
David C. Bull
Peter W. Harland
机构：
[1] Chemical Department,
[2] University of Canterbury,undefined
[3] Private Bag 4800,undefined
[4] Christchurch,undefined
[5] New Zealand e-mail: p.harland@chem.canterbury.ac.nz,undefined
[6] School of Earth and Atmospheric Science,undefined
[7] Georgia Institute of Technology,undefined
[8] Atlanta USA GA 30332 e-mail: dbull@eas.gatech.edu,undefined
来源：
Wood Science and Technology | 2001年 / 35卷
关键词：
Copper; Chromated; Sludge; Arsenate; Treatment Plant;
D O I：
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中图分类号：
学科分类号：
摘要：
Chemical sludges from timber preservation with chromated copper arsenate are environmental hazards currently without any commercial value. A simple, inexpensive and efficient process to separate out the arsenate component of the sludges has been identified. The resulting solution can readily be used as a raw material for manufacturing new preservative. While some organic material does accompany the arsenate, this does not appear to have any detrimental effect on the product. The approach appears applicable to other chromated copper arsenate-contaminated wastes including treated wood wastes.
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页码：137 / 141
页数：4
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