Method for recycling waste water from tar sands hot water...

Details Method for recycling waste water from tar sands hot water... Method for recycling waste water from tar sands hot water...

C - Chemistry, Metallurgy

10

G

196/24

C10G 1/04 (2006.01)

Patent

CA 1157795

F-0813 METHOD FOR RECYCLING WASTE WATER FROM TAR SANDS HOT WATER PROCESS Abstract of the Disclosure In the hot water process for extracting heavy oil from tar sands, wherein there is obtained a tailings stream, the improvement of adding water-soluble calcium salt to the stream and passing to a tailings, removing clarified water from the upper part of the pond and passing it with a soluble carbonate through a calcite precipitator, adjusting the pH to 7.5 - 9.0, and recycling it to the hot water process.

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