The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 20, 1983
Filed:
Feb. 26, 1982
Applicant:
Inventor:
Robert N Hall, Boulder, CO (US);
Assignee:
Tosco Corporation, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10B / ; C10B / ; C10B / ;
U.S. Cl.
CPC ...
201 12 ; 201 31 ; 201 38 ; 208 / ; 208 / ;
Abstract
Pyrolysis process and system for recovering product gases and liquids from solid carbonaceous particles. Dual stage fluidized bed retort is disclosed having frusto-conical stages serially connected to promote uniform pyrolysis. Product gases and oil are removed from final fluid bed stage in series. Process includes various energy efficient aspects involving recycle of dilute phase combusted solids as the heat carrier, heavy oil recycle and use of steam and/or product vapors as the source of fluidizing gas for the staged retort.