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. 12, 2006
Filed:
Dec. 16, 2004
Luis P. F. Dancuart Kohler, Vaalpark, ZA;
Gert H. Du Plessis, Secunda, ZA;
Francois J. Du Toit, Sasolburg, ZA;
Edward L. Koper, Secunda, ZA;
Trevor D. Phillips, Vanderbijlpark, ZA;
Janette Van Der Walt, Vaalpark, ZA;
Luis P. F. Dancuart Kohler, Vaalpark, ZA;
Gert H. du Plessis, Secunda, ZA;
Francois J. du Toit, Sasolburg, ZA;
Edward L. Koper, Secunda, ZA;
Trevor D. Phillips, Vanderbijlpark, ZA;
Janette van der Walt, Vaalpark, ZA;
Sasol Technology (Pty) Ltd, Johannesburg, ZA;
Abstract
A process for the production of highly purified water from Fischer-Tropsch reaction water, which process includes at least the steps of a primary treatment stage comprising biological treatment for removing at least a fraction of dissolved organic carbon from the Fischer-Tropsch reaction water to produce a primary water-enriched stream, a secondary treatment stage comprising solid-liquid separation for removing at least some solids from at least a portion of the primary water-enriched stream to produce a secondary water-enriched stream, and a tertiary treatment stage comprising a dissolved salt and organic removal step for removing at least some dissolved salts and organic constituents from at least a portion of the secondary water-enriched stream.