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. 09, 2014
Filed:
May. 14, 2009
Johannes Christoffel Van Dyk, Vanderbiklpark, ZA;
Frans Boudewijn Waanders, Potchefstroom, ZA;
Johannes Christoffel Van Dyk, Vanderbiklpark, ZA;
Frans Boudewijn Waanders, Potchefstroom, ZA;
Sasol Technology (Proprietary) Limited, Johannesburg, ZA;
Abstract
A coal processing operation () includes in a dense media separation stage (), subjecting a coal feedstock () which includes minerals to dense media separation producing a first coal stream () and a second coal stream (). Coal in the first coal stream () is lower in ash and has a lower ash fusion temperature than coal in the second coal stream (). Coal from the first coal stream () is processed in a high temperature coal processing operation (), and coal from the second coal stream () is processed in a medium temperature coal processing operation ().