Method for treating a hydrocarbon feedstock comprising a deasphalting step and an asphalt conditioning step
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United States of America Patent
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Nov 24, 2020
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May 30, 2019
app pub date -
May 30, 2017
filing date -
Jun 30, 2016
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Abstract
The invention relates to a process for treating a hydrocarbon-based feedstock, comprising a) a step of extracting the feedstock, b) a step of separating the fraction comprising de-asphalted oil, c) an optional step of injecting a withdrawal flux into the fraction comprising asphalt, d) an optional step of separating the fraction comprising asphalt and solvent or solvent mixture obtained from the extraction step a), e) an optional step of injecting a withdrawal flux into the asphalt fraction alone or as a mixture with a withdrawal flux obtained from step d) and an integrated step of conditioning the asphalt fraction obtained from steps a) and/or c) and/or d) and/or e), in solid form, performed in successive or simultaneous substeps.
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