Novel non-aqueous Fe(III)/Fe(II) redox couple for the catalytic oxidation of hydrogen sulfide to sulfur by air.
A series of Fe(III) salts and organic solvents have been screened to develop novel non-aqueous catalysts for the conversion of H2S to sulfur. FeCl3/95% N-methylpyrrolidinone/5% H2O was found to be a most efficient non-aqueous system. The process chemistry, the proposed mechanism of catalytic oxidation of H2S, and the electrochemistry are discussed.
School of Chemistry, University St Andrews, St Andrews, Fife, UK.
Guoxiong
G
Hua
Qingzhi
Q
Zhang
Derek
D
McManus
Alexandra M Z
AM
Slawin
J Derek
JD
Woollins