Surfactant for bitumen separation

Details Surfactant for bitumen separation Surfactant for bitumen separation

2006-08-15

2006-08-15

Griffin, Walter D. (Department: 1764)

Mineral oils: processes and products

By treatment of solid mineral, e.g., coal liquefaction, etc.

Including contact with extraneous additive other than...

C208S390000, C134S025100, C134S040000

Reexamination Certificate

active

07090768

ABSTRACT:
A surfactant for separating bitumen from sand includes an aqueous solution of hydrogen peroxide contacted with low rank coal. The low rank coal is preferably lignite. The surfactant may be used to clean bitumen, heavy oil and/or tar from sand, shale or clay at low concentrations and with mild agitation.

REFERENCES:
patent: 3644194 (1972-02-01), Keely et al.
patent: 3660268 (1972-05-01), Kelly et al.
patent: 3951778 (1976-04-01), Willard, Sr.
patent: 4229281 (1980-10-01), Alquist et al.
patent: 4462892 (1984-07-01), Schramm et al.
patent: 4704200 (1987-11-01), Keane
patent: 4765885 (1988-08-01), Sadeghi et al.
patent: 4929341 (1990-05-01), Thirumalachar et al.
patent: 5008006 (1991-04-01), Miller et al.
patent: 5120428 (1992-06-01), Ikura et al.
patent: 6193766 (2001-02-01), Jordan
patent: 6251290 (2001-06-01), Conaway
patent: 2002/0003115 (2002-01-01), Conaway et al.
patent: 1094483 (1981-01-01), None
patent: 1100074 (1981-04-01), None
patent: 1108317 (1981-09-01), None
patent: 1236419 (1988-05-01), None
patent: 2009144 (1991-08-01), None
patent: 1293464 (1991-12-01), None
patent: 55031868 (1980-03-01), None
patent: 09020698 (1997-01-01), None
patent: 1068465 (1984-01-01), None

Affiliated with

Also associated with

Rating

Surfactant for bitumen separation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Surfactant for bitumen separation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Surfactant for bitumen separation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3676971