Patent · US Active

Direct contact process and method for producing hot water using mature fine tailings (MFT)

US12258522B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATUAL RESOURCES · CA

Inventors

Quan Zhuang · Kunshan, CN
Phil Geddis · Ottawa, CA
Bruce Clements · Ottawa, CA
Brianna Hataley · Ottawa, CA
Mohammad Asiri · Ottawa, CA
Ted Herage · Stanley Corners, CA
Steven Chen · Taipei, TW
Lijun Wu · Ningbo City, CN

Key dates

Filing date	Oct 12, 2022
Grant date	Mar 25, 2025
Priority date	—
Expiry date	Apr 9, 2043

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2103/365
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention discloses systems and methods for supplying hot water for primary extraction in the oil sands bitumen extraction process. Direct contact process and method for producing hot water using mature fine tailings are provided by employing a double staged submerge arrangement with a thickener vessel containing a submerged fuel burner and a hot water vessel containing a submerged fuel burner, a flash submerged arrangement with a flash concentrator vessel containing or adjacent to a fuel burner and a hot water vessel containing a submerged fuel burner or a triple cascade arrangement with a flash concentrator vessel, a thickener vessel containing a submerged fuel burner and a hot water vessel containing a submerged fuel burner.

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