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METHOD FOR SEPARATING A BITUMEN FROTH INTO MALTENES AND ASPHALTENES ENRICHED FRACTIONS
METHOD FOR SEPARATING A BITUMEN FROTH INTO MALTENES AND ASPHALTENES ENRICHED FRACTIONS
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机译:一种将白话泡沫分离成麦芽汁和富含沥青的馏分的方法
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摘要
In an oil sand processing plant, in which produced oil sand is mixed with a solvent, water and air to produce a bitumen froth, separation of the froth into maltenes and asphaltenes enriched fractions is enhanced by: adding a paraffinic solvent in an incremental manner to the froth; separating the froth/solvent mixture in a settler in an overflow fraction, which is enriched in maltenes and paraffinic solvent, and an underflow fraction which is enriched in asphaltenes, water and solids; discharging the overflow fraction from an upper region of the settler; and discharging the underflow fraction from a lower region of the settler.
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