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:
Mar. 07, 1978
Filed:
Jul. 08, 1976
Applicant:
Inventor:
George J Snell, Fords, NJ (US);
Assignee:
The Lummus Company, Bloomfield, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 83 ; 208-8 ;
Abstract
Insoluble material is separated from a coal liquefaction product by gravity settling in the presence of a promoter liquid having specific characteristics, with a portion of the solid containing underflow being recycled to the gravity settler and introduced at a point above the introduction of the coal liquefaction product, with the respective points of introduction being separated by a distance of at least 0.1 H and no greater than 0.5 H wherein H is the total height of the gravity settler.