PROCESS TO PREPARE TWO OR MORE BASE OILS
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United States of America Patent
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Issued Date -
Jun 16, 2016
app pub date -
Jul 15, 2014
filing date -
Jul 15, 2013
priority date (Note) -
Abandoned
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Abstract
The present invention provides a process to prepare two or more base oils, which process at least comprises the following steps: (a) providing a paraffmic hydrocarbon feedstock stream; (b) subjecting a paraffmic hydrocarbon feedstock stream provided in step (a) to a hydrocracking/hydroisomerization step to obtain an at least partially isomerised product stream; (c) separating the product stream of step (b), thereby obtaining a lower boiling fraction and a higher boiling fraction; (d) dewaxing the lower boiling fraction of step (c) to obtain a light base oil; and (e) dewaxing the higher boiling fraction of step (c) to obtain a heavy base oil.
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