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:
Sep. 03, 2019
Filed:
Mar. 28, 2019
Syncrude Canada Ltd. IN Trust for the Owners of the Syncrude Project As Such Owners Exist Now and IN the Future, Fort McMurray, CA;
Xin Alex Wu, Edmonton, CA;
Abstract
A process for separating solvent from spent oil sand solids involves drying the solids using superheated steam, and thereby producing a vapor comprising the vaporized solvent and vaporized water. The vapor is conveyed through a hot side of a first heat exchanger to produce a cooled stream comprising condensed solvent and condensed water, while a water stream is conveyed under vacuum through a cold side of the first heat exchanger to produce steam. A vacuum blower that applies the vacuum may also compress the steam to adiabatically heat the steam, before the steam is further heated by a steam superheater. The condensed water is separated from the cooled stream, and used in producing the water stream that is conveyed through the cold side of the heat exchanger, as the process continues. The steam is used in producing the superheated steam for drying the solids, as the process continues.