High liquid yield process for retorting various organic materials including oil shale
- Livermore, CA
This invention is a continuous retorting process for various high molecular weight organic materials, including oil shale, that yields an enhanced output of liquid product. The organic material, mineral matter, and an acidic catalyst, that appreciably adsorbs alkenes on surface sites at prescribed temperatures, are mixed and introduced into a pyrolyzer. A circulating stream of olefin enriched pyrolysis gas is continuously swept through the organic material and catalyst, whereupon, as the result of pyrolysis, the enhanced liquid product output is provided. Mixed spent organic material, mineral matter, and cool catalyst are continuously withdrawn from the pyrolyzer. Combustion of the spent organic material and mineral matter serves to reheat the catalyst. Olefin depleted pyrolysis gas, from the pyrolyzer, is enriched in olefins and recycled into the pyrolyzer. The reheated acidic catalyst is separated from the mineral matter and again mixed with fresh organic material, to maintain the continuously cyclic process.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4948495
- OSTI ID:
- 867488
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
yield
process
retorting
various
organic
materials
including
oil
shale
continuous
molecular
weight
yields
enhanced
output
product
material
mineral
matter
acidic
catalyst
appreciably
adsorbs
alkenes
surface
sites
prescribed
temperatures
mixed
introduced
pyrolyzer
circulating
stream
olefin
enriched
pyrolysis
gas
continuously
swept
whereupon
result
provided
spent
cool
withdrawn
combustion
serves
reheat
depleted
olefins
recycled
reheated
separated
fresh
maintain
cyclic
retorting process
bed temperature
pyrolysis gas
mineral matter
organic materials
oil shale
molecular weight
liquid product
materials including
organic material
cyclic process
weight organic
various organic
continuously withdrawn
liquid yield
including oil
yield process
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