Aids for the conditioning step in the hot water extraction...

Details Aids for the conditioning step in the hot water extraction... Aids for the conditioning step in the hot water extraction...

C - Chemistry, Metallurgy

10

G

196/19

C10G 1/04 (2006.01)

Patent

CA 1094483

"IMPROVED AIDS FOR THE CONDITIONING STEP IN THE HOT WATER EXTRACTION PROCESS FOR TAR SAND" ABSTRACT OF THE DISCLOSURE Aqueous solutions of inorganic alkaline substances, such as NaOH, are contacted with bitumen or analogous organic matter to produce solutions, emulsions, or mixtures containing surfactants beneficial in the conditioning step in the hot water process for the extraction of bitumen from bituminous sands. Such solutions, emulsions, or mixtures may be added to the conditioning step of the hot water extraction process in place of some or all of the conditioning aids employed according to the prior art, for the more economical operation of the process.

318821

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