PROCESSES FOR CONVERTING HYDROCARBON FEEDSTOCK TO PITCH COMPOSITIONS SUITABLE FOR THE MANUFACTURE OF CARBON ARTICLES
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Sep 14, 2022
filing date -
Sep 14, 2022
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Abstract
Processes comprising: heat treating a heavy hydrocarbon feedstock in a heat treatment unit to produce a first effluent comprising a heat treated product; at least partially removing a mixture of gas and distillate from the first effluent in a first separation unit to produce a second effluent comprising a separation bottom product; deasphalting the second effluent in a second separation unit in the presence of a first solvent to produce: a soluble product fraction comprising a first portion of the first solvent, a deasphalted oil (DAO) product, and a first pitch product; an insoluble product fraction comprising a second portion of the first solvent and a portion of the first pitch product; and at least partially removing the second portion of the first solvent from the first pitch product in a third separation unit to produce a purified pitch product.
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