Process for the chlorination of methane
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United States of America Patent
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Mar 24, 1992
Issued Date -
N/A
app pub date -
Jan 13, 1989
filing date -
Oct 31, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is provided for the chlorination of methane using hydrogen chloride as a source of chlorine. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perchloroethylene with hydrogen chloride and oxygen in the presence of an oxychlorination catalyst to give hexachloroethane and water, and second comprising the vapor phase reaction of hexachloroethane with methane feedstock to produce chlorinated methane, perchloroethylene and hydrogen chloride.
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