Non-aqueous extraction and separation of bitumen from oil sands ore with rotating elements
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United States of America Patent
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Jan 31, 2023
Grant Date -
Sep 8, 2022
app pub date -
Mar 1, 2022
filing date -
Mar 5, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Rotating elements receivable within an extractor trough of an extractor configured for non-aqueous extraction of bitumen from oil sands are described. The rotating element can include a shaft operatively couplable to a motor, and projections extending outwardly from the shaft and being removably secured thereto. The rotating element can also include a shaft mounting structure couplable to a shaft, comprising a shaft receiving hub configured for receiving the shaft therein. The rotation of the rotating element can provide digestion and extraction of bitumen from the oil sands while advancing solids in a downstream direction within the extractor trough, as solvent diluted bitumen flows in an upstream direction toward a liquid outlet. Methods for servicing a rotating element and for manufacturing a non-aqueous extraction (NAE) extractor are also provided.
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