Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1996-09-12
1998-07-21
Langel, Wayne
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
423491, C01B 900, C01G 3000
Patent
active
057831661
ABSTRACT:
A process for the production of antimony trioxide comprising the steps of: (i) reacting antimony trisulfide with iron (III) chloride to produce antimony trichloride; and (ii) hydrolyzing antimony trichloride to produce antimony trioxide. In a preferred embodiment, the process is substantially closed or near-closed loop. Antimony trioxide is a known flame retardant for use in plastics, ceramics and the like.
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Chemical Abstracts Citation 110:78733.
"Inorganic And Theoretical Chemistry," J.W. Mellor, vol. IX.
MacDonald Michael D.
Stevens Donald A.
Thibault J. Dean
Langel Wayne
Roycefield Resources Ltd.
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