In situ primary froth quality measurements using microwave monitor
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United States of America Patent
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Dec 27, 1994
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N/A
app pub date -
Apr 1, 1993
filing date -
Apr 29, 1992
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Abstract
Aerated bitumen froth containing bitumen, water, air and solids is the product of the hot water extraction process for recovering bitumen from oil sand. Measurements related to the water content of the froth can be obtained by measuring its resonant frequency in a calibrated output, open-ended microwave cavity. By also measuring the bulk density of the froth and assuming a constant relationship for the solids content, one can compute from the assembled data the output quality of the froth. The measurements can be taken repetitively at the vessel as the froth is produced and used to almost instantly provide froth quality information.
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