PROCESS FOR CONVERTING PETROLEUM FEEDSTOCKS COMPRISING A VISBREAKING STAGE, A MATURATION STAGE AND A STAGE OF SEPARATING THE SEDIMENTS FOR THE PRODUCTION OF FUEL OILS WITH A LOW SEDIMENT CONTENT
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United States of America Patent
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May 5, 2016
app pub date -
Nov 4, 2015
filing date -
Nov 4, 2014
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Abstract
The invention relates to a process for converting a hydrocarbon-containing feedstock containing at least one hydrocarbon fraction having a sulphur content of at least 0.1% by weight, an initial boiling temperature of at least 340° C. and a final boiling temperature of at least 440° C., making it possible to obtain a heavy fraction having a sediment content after ageing of less than or equal to 0.1% by weight, said process comprising the following stages: a) a stage of visbreaking the feedstock in at least one maturation chamber (soaker), b) a stage of separating the effluent obtained at the end of stage a), c) a stage of maturation of the heavy fraction originating from stage b), d) a stage of separating the sediments from the heavy fraction originating from the maturation stage c) in order to obtain said heavy fraction.
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