Enhanced carbon monoxide utilization in methanation process
Patent
·
OSTI ID:864943
Carbon monoxide - containing gas streams are passed over a catalyst to deposit a surface layer of active surface carbon thereon essentially without the formation of inactive coke. The active carbon is subsequently reacted with steam or hydrogen to form methane. Surprisingly, hydrogen and water vapor present in the feed gas do not adversely affect CO utilization significantly, and such hydrogen actually results in a significant increase in CO utilization.
- Research Organization:
- Union Carbide Corporation, Danbury, CT (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC03-78CS40177
- Assignee:
- Union Carbide Corporation (Danbury, CT)
- Patent Number(s):
- 4,441,893
- Application Number:
- 06/439,635
- OSTI ID:
- 864943
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/48/585/
active
active carbon
active surface
adversely
adversely affect
affect
carbon
carbon monoxide
carbon thereon
catalyst
coke
containing
containing gas
deposit
enhanced
essentially
feed
feed gas
form
form methane
formation
gas
gas stream
gas streams
hydrogen
inactive
inactive coke
increase
layer
methanation
methanation process
methane
monoxide
passed
process
reacted
results
significant
significant increase
significantly
steam
streams
subsequently
subsequently reacted
surface
surface carbon
surface layer
surprisingly
thereon
thereon essentially
utilization
vapor
water
water vapor
active
active carbon
active surface
adversely
adversely affect
affect
carbon
carbon monoxide
carbon thereon
catalyst
coke
containing
containing gas
deposit
enhanced
essentially
feed
feed gas
form
form methane
formation
gas
gas stream
gas streams
hydrogen
inactive
inactive coke
increase
layer
methanation
methanation process
methane
monoxide
passed
process
reacted
results
significant
significant increase
significantly
steam
streams
subsequently
subsequently reacted
surface
surface carbon
surface layer
surprisingly
thereon
thereon essentially
utilization
vapor
water
water vapor