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Dilution centrifuging of bitumen froth from the hot water process for tar sand | 1983-05-17 | Patent; Dilution centrifuging; Bitumen froth; Tar sand; Naphtha-diluted bitumen froth | In the known operation wherein naphtha-diluted bitumen froth is pumped from a scroll-type centrifugal separator to a disc-type centrifugal separator, an improved pumping system is provided. The system comprises at least two centrifugal pumps in series, each operating preferably at an impellor tip sp... |
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