Recovery of petroleum from tar sands

Details Recovery of petroleum from tar sands Recovery of petroleum from tar sands

B - Operations, Transporting

03

B

B03B 9/02 (2006.01) C10G 1/04 (2006.01)

Patent

CA 2077726

ABSTRACT The recovery of bitumen from tar sands by flotation is improved by the use of alkanol amines as flotation promoters. Monoethanolamine and diethanol- amine are particulariy useful for this purpose. 39,325-F

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