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Copper sweetening
Copper sweetening
is a
petroleum
refining
process using a
slurry
of
clay
and
cupric chloride
to
oxidize
mercaptans
. The resulting
disulfides
are less odorous and usually very viscous, and are usually removed from the lower-boiling
fractions
and left in the
heavy fuel oil
fraction.
[1]
http://productsearch.machinedesign.com/definition/Chemical_Engineering/Linde_copper_sweetening
]
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