PHOTOCATALYTIC DEGRADATION OF CHLOROPHENOLS TO CO2 AND HCL WITH POLYOXOTUNGSTATES IN AQUEOUS-SOLUTION

被引:72
|
作者
MYLONAS, A [1 ]
PAPACONSTANTINOU, E [1 ]
机构
[1] DEMOKRITOS NATL CTR SCI RES,INST PHYS CHEM,GR-15310 ATHENS,GREECE
来源
JOURNAL OF MOLECULAR CATALYSIS | 1994年 / 92卷 / 03期
关键词
CHLOROPHENOLS; DEGRADATION; PHOTOCATALYSIS; POLYOXOTUNGSTATES; TUNGSTEN;
D O I
10.1016/0304-5102(94)00083-2
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
Homogeneous oxygenated aqueous solutions of chlorophenols, undergo photodegradation (lambda > 320 nm) to CO2 and Cl- by polyoxometalates W10O324-, PW12O403-, and SiW12O404-. Mineralization takes place, also, in the absence of dioxygen but the process is more than an order of magnitude slower. In presence of dioxygen the effectiveness of these catalysts compares with TiO2 suspension.
引用
收藏
页码:261 / 267
页数:7
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