Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent
1988-07-26
1990-08-14
Caldarola, Glenn
Mineral oils: processes and products
By treatment of solid mineral, e.g., coal liquefaction, etc.
Specified agitation or circulation in gas contact zone
208410, 585241, 201 36, C10G 100, C10G 108
Patent
active
049484958
ABSTRACT:
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 Mixed spent organic material, mineral matter, and cool catalyst are continuously withdrawn from the pyrolyzer.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.
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Caldarola Glenn
Carnahan L. E.
Moser William R.
Sartoria Henry P.
The United States of America as represented by the United States
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