Decaking of coal or oil shale during pyrolysis in the presence of iron oxides
Patent
·
OSTI ID:867208
- Morgantown, WV
A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere. The method includes the steps of pulverizing feed coal or oil shale, pulverizing iron oxide, mixing the pulverized feed and iron oxide, and heating the mixture in a gas atmosphere which is substantially inert to the mixture so as to form a product fuel, which may be gaseous, liquid and/or solid. The method of the invention reduces the swelling of coals, such as bituminous coal and the like, which are otherwise known to swell during pyrolysis.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
- Assignee:
- U.S. Department of Energy (Washington, DC)
- Patent Number(s):
- US 4886521
- OSTI ID:
- 867208
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
decaking
coal
oil
shale
pyrolysis
presence
iron
oxides
method
producing
fuel
oxide
inert
gas
atmosphere
steps
pulverizing
feed
mixing
pulverized
heating
mixture
substantially
form
product
gaseous
liquid
solid
reduces
swelling
coals
bituminous
otherwise
swell
substantially inert
oil shale
inert gas
iron oxide
gas atmosphere
feed coal
iron oxides
pulverized feed
bituminous coal
/44/201/208/
coal
oil
shale
pyrolysis
presence
iron
oxides
method
producing
fuel
oxide
inert
gas
atmosphere
steps
pulverizing
feed
mixing
pulverized
heating
mixture
substantially
form
product
gaseous
liquid
solid
reduces
swelling
coals
bituminous
otherwise
swell
substantially inert
oil shale
inert gas
iron oxide
gas atmosphere
feed coal
iron oxides
pulverized feed
bituminous coal
/44/201/208/