Physicochemical properties and catalytic activity of M • EDTA complexes in the oxidation of hydrogen sulfide

被引：0
|
作者：
Potapova, LL [1 ]
Volkovinskaya, TV [1 ]
Egiazarov, YG [1 ]
机构：
[1] Byelarussian Acad Sci, Inst Physicoorgan Chem, Minsk 220072, BELARUS
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY | 2000年 / 74卷
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D O I：
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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：
The catalytic activity of M.EDTA complexes (M = Fe, Mn, V) fixed on a fibrous ion exchanger in the oxidation of H2S to elementary sulfur was studied. IR spectra for the complexonate solutions were obtained. The physicochemical properties of the M.EDTA complexes were considered. It was concluded that the high activity of the Fe.EDTA complex is due to optimal thermodynamic properties of the Fe3+.L/Fe2+.L pair and the formation of the active intermediate complex HS-...Fe.EDTA...O-2, which provides a high rate of electron transfer.
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页码：S564 / S567
页数：4
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