Production of formaldehyde from CH.sub.4 and H.sub.2 S
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United States of America Patent
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Feb 22, 2000
Grant Date -
N/A
app pub date -
Sep 9, 1998
filing date -
Sep 26, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method wherein a sour natural gas stream can be treated to produce formaldehyde from methane and methyl mercaptans, (primarily methanethiol (CH.sub.3 SH) and a small amount of dimethyl sulfide (CH.sub.3 SCH.sub.3)) from hydrogen sulfide, and the methyl mercaptans preferably are passed in contact with a catalyst comprising a supported metal oxide or a bulk metal oxide in the presence of an oxidizing agent and for a time sufficient to convert at least a portion of the methyl mercaptan to formaldehyde (CH.sub.2 O), and sulfur dioxide (SO.sub.2).
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