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. 26, 2006
Filed:
Dec. 16, 2004
Luis Pablo Fidel Dancuart Kohler, Vaalpark, ZA;
Gert Hendrik Du Plessis, Secunda, ZA;
Francois Jacobus Du Toit, Sasolburg, ZA;
Edward Ludovicus Koper, Secunda, ZA;
Trevor David Phillips, Vanderbijlpark, ZA;
Janette Van Der Walt, Vaalpark, ZA;
Luis Pablo Fidel Dancuart Kohler, Vaalpark, ZA;
Gert Hendrik Du Plessis, Secunda, ZA;
Francois Jacobus Du Toit, Sasolburg, ZA;
Edward Ludovicus Koper, Secunda, ZA;
Trevor David Phillips, Vanderbijlpark, ZA;
Janette Van Der Walt, Vaalpark, ZA;
Sasol Technology (Pty) Ltd., Johannesburg, ZA;
Abstract
A process for the production of highly purified waterfrom Fischer-Tropsch reaction water, includes at least the steps of a primary treatment stage comprising an equilibrium staged separation processhaving at least one stage for removing at least a fraction of non-acid oxygenated hydrocarbons from the Fischer-Tropsch reaction waterto produce a primary water-enriched stream, a secondary treatment stage comprising at least one membrane separation processfor removing at least some suspended solids and acidic oxygenated hydrocarbons from at least a portion of the primary water-enriched streamto produce a secondary water-enriched streamand a tertiary treatment stage comprising a dissolved salt and organic removal stagefor removing at least some dissolved salts and organic constituents from at least a portion of the secondary water-enriched stream