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Patent Agency Ranking
公开(公告)号：US20230374401A1
公开(公告)日：2023-11-23
申请号：US18247138
申请日：2021-10-12
Applicant: SHELL OIL COMPANY
Inventor： Jean-Paul Andre Marie Joseph Ghislain LANGE , Kai Jurgen FISCHER , Guus VAN ROSSUM , Timothe Johannes OLTHOF , Willem DERKS , Hendrik STICHTER
CPC classification number: C10G67/0445 , C10G67/06 , C10G2300/202 , C10G2300/4081
Abstract: The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving a) liquid-liquid extraction of said liquid stream with an extraction solvent, wherein before and/or after step a) heteroatom containing organic compounds, optional aromatic hydrocarbons and optional other contaminants are removed from said liquid stream and/or from a raffinate stream resulting from step a), respectively, by contacting the latter stream(s) with a sorption agent. Further, the invention relates to a process for the recovery of aliphatic hydrocarbons from plastics comprising the above-mentioned process; and to a process for steam cracking a hydrocarbon feed comprising aliphatic hydrocarbons as recovered in one of the above-mentioned processes.
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公开(公告)号：US20200080009A1
公开(公告)日：2020-03-12
申请号：US16467294
申请日：2017-12-07
Applicant: SHELL OIL COMPANY
Inventor： Willem DERKS
Abstract: The invention provides a method for pretreating a hydrocarbon steam cracker feed, comprising contacting the feed with a solvent to produce a pretreated feed having a reduced content of fouling components that cause fouling in the preheat, convection and radiant sections of the steam cracker and a rich solvent having an increased content of fouling components. The invention further provides a method for steam cracking hydrocarbons comprising: a) feeding a hydrocarbon steam cracker feed to the process; b) pretreating the feed by contacting the feed with a solvent to produce a pretreated feed having a reduced content of fouling components that cause fouling in the steam cracker and a rich solvent having an increased content of fouling components; c) heating the pretreated feed; and d) passing the pretreated feed through a steam cracker under cracking conditions to produce cracked products.
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公开(公告)号：US20230374398A1
公开(公告)日：2023-11-23
申请号：US18246755
申请日：2021-10-12
Applicant: SHELL OIL COMPANY
Inventor： Jean-Paul Andre Marie Joseph Ghislain LANGE , Guus VAN ROSSUM , Willem DERKS , Kai FISCHER , Timothe OLTHOF , Johannes Pieter HAAN
CPC classification number: C10G53/04 , C10G1/10 , C10G1/02 , C10G1/002 , C10G2300/1003
Abstract: The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid stream comprising aliphatic hydrocarbons, heteroatom containing organic compounds and optionally aromatic hydrocarbons, involving a) liquid-liquid extraction of said liquid stream with an extraction solvent; b) mixing the extract stream, comprising extraction solvent, heteroatom containing organic compounds and optionally aromatic hydrocarbons, with a demixing solvent to remove part of the heteroatom containing organic compounds and optional aromatic hydrocarbons; and c) separation of the remaining stream into a demixing solvent stream and an extraction solvent stream, wherein before and/or after step c) additional heteroatom containing organic compounds and optional aromatic hydrocarbons are removed from that remaining stream and/or from a stream resulting from step c), respectively, by contacting the latter stream (s) with a sorption agent. Further, the invention relates to a process for the recovery of aliphatic hydrocarbons from plastics comprising the above-mentioned process; and to a process for steam cracking a hydrocarbon feed comprising aliphatic hydrocarbons as recovered in one of the above-mentioned processes.
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公开(公告)号：US20220177786A1
公开(公告)日：2022-06-09
申请号：US17441380
申请日：2020-04-14
Applicant: SHELL OIL COMPANY
Inventor： Jean-Paul Andre Marie Joseph Ghislain LANGE , Luis Alberto GRAU LISNIER , Willem DERKS , Kai Jürgen FISCHER
Abstract: The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid hydrocarbon feedstock stream, which comprises aliphatic hydrocarbons and additionally comprises aromatic hydrocarbons and/or polar components, said process comprising the steps of: feeding the liquid hydrocarbon feedstock stream to a first column; feeding a first solvent stream which comprises an organic solvent to the first column at a position which is higher than the position at which the liquid hydrocarbon feedstock stream is fed; contacting at least a portion of the liquid hydrocarbon feedstock stream with at least a portion of the first solvent stream; and recovering at least a portion of the aliphatic hydrocarbons by liquid-liquid extraction of aromatic hydrocarbons and/or polar components with organic solvent, resulting in a stream comprising recovered aliphatic hydrocarbons and optionally organic solvent and a bottom stream from the first column comprising organic solvent and aromatic hydrocarbons and/or polar components.
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公开(公告)号：US20220403264A1
公开(公告)日：2022-12-22
申请号：US17775700
申请日：2020-12-07
Applicant: SHELL OIL COMPANY
Inventor： Willem DERKS
Abstract: The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid hydrocarbon feedstock stream comprising aliphatic hydrocarbons, heteroatom containing polar components and optionally aromatic hydrocarbons, said process comprising the steps of: a) mixing the liquid hydrocarbon feedstock stream with a solvent resulting in a liquid mixture; b) cooling the liquid mixture obtained in step a) to a temperature in the range of from +5° C. to −30° C. to obtain wax crystals in the mixture; c) separating wax crystals from the cooled liquid mixture obtained in step b) to produce a wax comprising aliphatic hydrocarbons and a dewaxed liquid mixture comprising solvent, heteroatom containing polar components and optionally aromatic hydrocarbons; d) separating solvent from the liquid mixture obtained in step c) and optionally recycling the separated solvent to step a). Further, the present invention relates to a process for the recovery of aliphatic hydrocarbons from plastics, and to a process for steam cracking a hydrocarbon feed.
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