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:
Jun. 26, 1990
Filed:
Dec. 04, 1987
Applicant:
Inventors:
Sven Eriksson, Falun, SE;
Sven Santen, Hofors, SE;
Assignee:
SKF Steel Engineering AB, Hofors, SE;
Primary Examiner:
Int. Cl.
CPC ...
C10J / ; C10K / ;
U.S. Cl.
CPC ...
48203 ; 48210 ; 252373 ;
Abstract
The present invention relates to a method of manufacturing a gas suitable for the production of energy, out of coal. The coal is gasified in counterflow with air-blast in a gasifier, and the gas generated is then mixed with a gas containing oxygen, in a ratio such that the quotient CO.sub.2 /CO in the resultant gas does not exceed 0.1, in order to crack tar substances occurring in the gas. The gas is thereafter introduced into a dolomite or lime shaft for removal of sulphur compounds, any remaining tar substances and to gasify any accompanying coal particles not yet gasified.