Enhanced Cyanogen Chloride Removal by the Reactive Zirconium Hydroxide Substrate

被引:43
作者
Peterson, Gregory W. [1 ]
Wagner, George W. [1 ]
Keller, Jennifer H. [3 ]
Rossin, Joseph A. [2 ]
机构
[1] USA, RDCB DRP F, Edgewood Chem Biol Ctr, Aberdeen Proving Ground, MD 21010 USA
[2] Guild Associates Inc, Dublin, OH 43016 USA
[3] SAIC Inc, Gunpowder Branch, Aberdeen Proving Ground, MD 21010 USA
关键词
ADSORPTION; CARBON; DECOMPOSITION; WHETLERITE;
D O I
10.1021/ie101204e
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
A novel microporous sorbent consisting of zirconium hydroxide impregnated with triethylenediamine (TEDA) was evaluated for the removal of cyanogen chloride. Breakthrough data were collected on packed beds, illustrating the efficacious nature of TEDA and the enhanced cyanogen chloride removal from the basic zirconium hydroxide structure. NMR and XPS analyses revealed the fate of cyanogen chloride, with inorganic chloride byproducts deposited on the surface of the material and polymerized urea condensates physically adsorbed in the pore structure. The zirconium hydroxide media were found to provide significantly enhanced removal capabilities as compared to traditionally impregnated activated carbons, allowing for the development of respirators with reduced encumbrance.
引用
收藏
页码:11182 / 11187
页数:6
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