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Title:
SOLVENT EXTRACTION OF BITUMEN USING HEAT FROM COMBUSTION OF PRODUCT CLEANING STEAMS
Document Type and Number:
WIPO Patent Application WO/2013/095758
Kind Code:
A3
Abstract:
Described herein is a process that employs heat, derived from the combustion of product cleaning streams, such as waste streams, in a solvent-based extraction process. Solvent extraction of bitumen generally involves combining solvent with a bituminous feed to produce a cleaned bitumen product. Solvent is recovered, for example by utilizing heat to cause evaporation, and recovered solvent may be re-used. In an exemplary embodiment, hot flue gas from waste stream combustion may provide the heat to evaporate the solvent. Product cleaning waste streams may be ones produced from the trim cleaning of solvent extracted bitumen or from treatment of bitumen froth produced in a water-based extraction process. The heat generated can contribute to the energy requirements of the overall solvent extraction of bitumen.

Inventors:
SPEIRS BRIAN C (CA)
PIERRE FRITZ JR (US)
ESMAEILI PAYMAN (CA)
RENNARD DAVID (US)
PACE JUSTIN (US)
Application Number:
PCT/US2012/059390
Publication Date:
June 18, 2015
Filing Date:
October 09, 2012
Export Citation:
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Assignee:
EXXONMOBIL UPSTREAM RES CO (US)
SPEIRS BRIAN C (CA)
PIERRE FRITZ JR (US)
ESMAEILI PAYMAN (CA)
RENNARD DAVID (US)
PACE JUSTIN (US)
International Classes:
C10G21/00; C10G1/04
Foreign References:
US4752358A1988-06-21
US20110127197A12011-06-02
US20100236991A12010-09-23
US5681452A1997-10-28
US20100147516A12010-06-17
US4705622A1987-11-10
US4875998A1989-10-24
Attorney, Agent or Firm:
WRIGHT, John, R. et al. (CORP-URC-SW359P.O. Box 218, Houston TX, US)
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