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:
Jan. 07, 1986
Filed:
Feb. 17, 1984
Applicant:
Inventors:
Hans J Weiss, Oberursel, DE;
Roland Rammler, Konigstein, DE;
Helmut Hahn, Hanau, DE;
Ingo Dreher, Oberursel, DE;
Assignee:
Metallgesellschaft Aktiengesellschaft, Frankfurt am Main, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ;
U.S. Cl.
CPC ...
208 / ; 201 31 ; 208 / ;
Abstract
The dry distillation of oil shale and like volatilizable materials as carried out by intimately mixing it with a fine-grain hot heat-transfer medium. According to the invention the hot distillation residue is passed in direct heat exchange with a cooling gas and the latter is utilized as one component of a preheating mixed gas which is passed in uniflow with the devolatilizable material through at least one riser. Hot combustion gases can make up other components of these mixed gases.