DESTRUCTIVE ADSORPTION OF CHLORINATED HYDROCARBONS ON ULTRAFINE (NANOSCALE) PARTICLES OF CALCIUM-OXIDE

被引：80
|
作者：
KOPER, O [1 ]
LI, YX [1 ]
KLABUNDE, KJ [1 ]
机构：
[1] KANSAS STATE UNIV AGR & APPL SCI,DEPT CHEM,MANHATTAN,KS 66506
来源：
CHEMISTRY OF MATERIALS | 1993年 / 5卷 / 04期
关键词：
D O I：
10.1021/cm00028a017
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ultrafine particles of CaO react with CCl4 to yield CaCl2 and CO2. Phosgene is an intermediate product but can be avoided if excess CaO is employed. The reaction with CHCl3 yields CaCl2, CO, and H2O, while C2Cl4 yields CaCl2, carbon, and CaCO3. Thermodynamically these are all favorable reactions, but kinetic parameters demand that high surface area CaO be used. However, under the right conditions multiple layers of the CaO particles can be converted to CaCl2. An aerogel/autoclave method for the preparation of high surface area CaO is described.
引用
收藏
页码：500 / 505
页数：6
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