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:
Jul. 25, 1989
Filed:
Dec. 29, 1987
Applicant:
Inventor:
Hans-Wolfgang Luke, Hamburg, DE;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10J / ; C10J / ;
U.S. Cl.
CPC ...
48203 ; 48202 ; 48 67 ; 48DI / ; 122-5 ; 122449 ; 252373 ; 374 39 ;
Abstract
A process for monitoring the conditions in the reaction zone of a gasifier in a process for the gasification of coal to produce synthesis gas is disclosed, the process being characterized by continual or periodic calculation of the rate of steam production by the heat exchange system of the gasifier, and comparison of the calculated rate with a pre-selected value.