Patent · US Active

Recovery of hydrocarbon diluent from froth treatment tailings

US11261384B2 · kind B2 · utility

0Cited by

1References

6Claims

0Family size

Assignee

SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such owners exist now and in the future · CA

Inventors

SUJIT BHATTACHARYA · Edmonton, CA
Craig A. McKnight · Sherwood Park, CA
Salvador Escobedo Salas · London, CA
Hugo deLasa · London, CA

Key dates

Filing date	Sep 10, 2020
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Sep 10, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10G2300/807
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for recovering hydrocarbon diluent present in froth treatment tailings, comprising introducing the tailings into a vessel; adding a first portion of steam into the vessel to form a vapour-tailings interface; and operating the vessel to increase the exposure of the tailings to the vapour-tailings interface formed in the vessel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.