DE69913704D1 - Wiedergewinnung von aromatischen kohlenwasserstoffen mit durch schmieröl konditionierten membranen - Google Patents

Wiedergewinnung von aromatischen kohlenwasserstoffen mit durch schmieröl konditionierten membranen

Info

Publication number
DE69913704D1
DE69913704D1 DE69913704T DE69913704T DE69913704D1 DE 69913704 D1 DE69913704 D1 DE 69913704D1 DE 69913704 T DE69913704 T DE 69913704T DE 69913704 T DE69913704 T DE 69913704T DE 69913704 D1 DE69913704 D1 DE 69913704D1
Authority
DE
Germany
Prior art keywords
aromatic hydrocarbons
lubricating oil
recovery
membranes
conditioned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69913704T
Other languages
English (en)
Other versions
DE69913704T2 (de
Inventor
A Chin
M Knickerbocker
R Waldron
C Trewella
S White
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co Conn
WR Grace and Co
ExxonMobil Oil Corp
Original Assignee
WR Grace and Co Conn
WR Grace and Co
ExxonMobil Oil Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WR Grace and Co Conn, WR Grace and Co, ExxonMobil Oil Corp filed Critical WR Grace and Co Conn
Application granted granted Critical
Publication of DE69913704D1 publication Critical patent/DE69913704D1/de
Publication of DE69913704T2 publication Critical patent/DE69913704T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0088Physical treatment with compounds, e.g. swelling, coating or impregnation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/58Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00Purification; Separation; Use of additives
    • C07C7/144Purification; Separation; Use of additives using membranes, e.g. selective permeation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/11Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by dialysis
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G57/00Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one cracking process or refining process and at least one other conversion process
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G67/00Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
    • C10G67/02Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
DE69913704T 1998-07-30 1999-07-22 Wiedergewinnung von aromatischen kohlenwasserstoffen mit durch schmieröl konditionierten membranen Expired - Fee Related DE69913704T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/126,256 US6187987B1 (en) 1998-07-30 1998-07-30 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
PCT/US1999/016575 WO2000006526A1 (en) 1998-07-30 1999-07-22 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
US126256 2002-04-17

Publications (2)

Publication Number Publication Date
DE69913704D1 true DE69913704D1 (de) 2004-01-29
DE69913704T2 DE69913704T2 (de) 2004-06-17

Family

ID=22423846

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69913704T Expired - Fee Related DE69913704T2 (de) 1998-07-30 1999-07-22 Wiedergewinnung von aromatischen kohlenwasserstoffen mit durch schmieröl konditionierten membranen

Country Status (11)

Country Link
US (1) US6187987B1 (de)
EP (1) EP1102734B1 (de)
JP (1) JP2002521528A (de)
KR (1) KR100612707B1 (de)
AT (1) ATE256649T1 (de)
AU (1) AU746308B2 (de)
DE (1) DE69913704T2 (de)
ES (1) ES2213377T3 (de)
MY (1) MY119763A (de)
TW (1) TW518248B (de)
WO (1) WO2000006526A1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369311B (en) * 2000-11-24 2002-12-11 Membrane Extraction Tech Ltd Separating phase transfer agents
US6896796B2 (en) * 2001-02-16 2005-05-24 W. R. Grace & Co.-Conn. Membrane separation for sulfur reduction
DE10155651A1 (de) * 2001-11-13 2003-05-28 Kid Systeme Gmbh Bedienungsvorrichtung für ein Kabinensystem in einem Flugzeug
US7250545B2 (en) * 2003-01-27 2007-07-31 L'air Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude At L'exploration Des Procedes Georges Claude Method of separating olefins from mixtures with paraffins
EP1567466A1 (de) * 2002-12-02 2005-08-31 L'air liquide, Société anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés G. Claude Verfahren zur abtrennung von olefinen aus mischungen mit paraffinen
US7025804B2 (en) * 2002-12-02 2006-04-11 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for separating hydrocarbon-containing gas mixtures using hydrocarbon-resistant membranes
US7070694B2 (en) * 2003-03-20 2006-07-04 Bp Corporation North America Inc. Purification of fluid compounds utilizing a distillation - membrane separation process
US6986802B2 (en) * 2003-08-28 2006-01-17 Bp Corporation North America Inc. Selective separation of fluid compounds utilizing a membrane separation process
US7267761B2 (en) * 2003-09-26 2007-09-11 W.R. Grace & Co.-Conn. Method of reducing sulfur in hydrocarbon feedstock using a membrane separation zone
US7393383B2 (en) * 2005-01-14 2008-07-01 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers
WO2006084002A2 (en) * 2005-02-02 2006-08-10 Intelligent Energy, Inc. Multi-stage sulfur removal system and process for an auxiliary fuel system
US8101009B2 (en) * 2005-03-02 2012-01-24 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane by controlled annealing of polyimide polymers
US7422623B2 (en) 2005-03-02 2008-09-09 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane by controlled annealing of polyimide polymers
US20060231459A1 (en) * 2005-03-28 2006-10-19 Swan George A Iii FCC process combining molecular separation with staged conversion
WO2007089288A2 (en) * 2006-02-01 2007-08-09 Intelligent Energy, Inc. Multi-stage sulfur removal system and process for an auxiliary fuel system
GB2437519B (en) * 2006-04-28 2010-04-21 Imp Innovations Ltd Method for separation
US20080000836A1 (en) * 2006-06-30 2008-01-03 Hua Wang Transmix refining method
US20080200696A1 (en) * 2006-07-06 2008-08-21 Miller Jeffrey T Separation process using aromatic-selective polymeric membranes
US7642393B2 (en) * 2006-10-05 2010-01-05 General Electric Company Process for removing at least benzene from hydrocarbon streams
US8246814B2 (en) * 2006-10-20 2012-08-21 Saudi Arabian Oil Company Process for upgrading hydrocarbon feedstocks using solid adsorbent and membrane separation of treated product stream
US7875758B2 (en) 2007-01-08 2011-01-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes George Claude Systems and methods for the separation of propylene and propane
US7871510B2 (en) * 2007-08-28 2011-01-18 Exxonmobil Research & Engineering Co. Production of an enhanced resid coker feed using ultrafiltration
US7815790B2 (en) 2007-08-28 2010-10-19 Exxonmobil Research And Engineering Company Upgrade of visbroken residua products by ultrafiltration
US7867379B2 (en) * 2007-08-28 2011-01-11 Exxonmobil Research And Engineering Company Production of an upgraded stream from steam cracker tar by ultrafiltration
US8864996B2 (en) * 2007-08-28 2014-10-21 Exxonmobil Research And Engineering Company Reduction of conradson carbon residue and average boiling points utilizing high pressure ultrafiltration
US7736493B2 (en) * 2007-08-28 2010-06-15 Exxonmobil Research And Engineering Company Deasphalter unit throughput increase via resid membrane feed preparation
US7897828B2 (en) * 2007-08-28 2011-03-01 Exxonmobile Research And Engineering Company Process for separating a heavy oil feedstream into improved products
US8177965B2 (en) * 2007-08-28 2012-05-15 Exxonmobil Research And Engineering Company Enhancement of saturates content in heavy hydrocarbons utilizing ultrafiltration
WO2009082493A1 (en) * 2007-12-24 2009-07-02 Saudi Arabian Oil Company Membrane desulfurization of liquid hydrocarbon feedstreams
US20090320519A1 (en) * 2008-06-30 2009-12-31 American Air Liquide, Inc. Recovery of Hydrofluoroalkanes
US7837879B2 (en) * 2008-09-05 2010-11-23 Exxonmobil Research & Engineering Company Visbreaking yield enhancement by ultrafiltration
WO2010030369A1 (en) * 2008-09-15 2010-03-18 W.R. Grace & Co. - Conn. Catalytic cracking for enhanced propylene yield and reduced benzene naphtha fractions
BRPI0918927B1 (pt) * 2008-09-17 2018-03-06 Asahi Kasei Chemicals Corporation Processo para produzir olefina, e, aparelho para produzir olefina tendo 3 ou mais átomos de carbono a partir de etano
US7951224B2 (en) * 2008-12-24 2011-05-31 Exxonmobil Research And Engineering Company Process for improving the cetane rating of distillate and diesel boiling range fractions
EP2412786A4 (de) * 2009-03-27 2012-10-17 Chiyoda Corp Verfahren zur herstellung eines aromatischen kohlenwasserstoffes
GB0909967D0 (en) * 2009-06-10 2009-07-22 Membrane Extraction Tech Ltd Polyimide membrane
WO2011002745A1 (en) * 2009-07-01 2011-01-06 Saudi Arabian Oil Company Membrane desulfurization of liquid hydrocarbons using an extractive liquid membrane contactor system and method
US20110077446A1 (en) 2009-09-30 2011-03-31 American Air Liquide, Inc. Membrane Separation of a Mixture of Close Boiling Hydrocarbon Components
US9782726B2 (en) 2010-01-15 2017-10-10 Board Of Regents, The University Of Texas System Non-dispersive process for oil recovery
US9643127B2 (en) 2010-01-15 2017-05-09 Board Of Regents Of The University Of Texas System Simultaneous removal of oil and gases from liquid sources using a hollow fiber membrane
US9688921B2 (en) 2013-02-26 2017-06-27 Board Of Regents, The University Of Texas System Oil quality using a microporous hollow fiber membrane
US8454832B2 (en) 2010-11-29 2013-06-04 Saudi Arabian Oil Company Supported ionic liquid membrane system and process for aromatic separation from hydrocarbon feeds
US8911534B2 (en) * 2011-03-07 2014-12-16 Georgia Tech Research Corporation Polyimide-based carbon molecular sieve membrane for ethylene/ethane separations
DE102011079778A1 (de) * 2011-07-26 2013-01-31 Universität Duisburg-Essen Membran umfassend mindestens ein photochemisch vernetztes Polyimid
KR101811918B1 (ko) * 2012-03-02 2018-01-25 사우디 아라비안 오일 컴퍼니 비-방향족 화합물로부터 방향족 화합물의 분리를 위한 촉진 수송막
CA2874775C (en) 2012-06-14 2016-09-13 Board Of Regents, The University Of Texas System Non-dispersive oil recovery from oil industry liquid sources
MX2015011088A (es) * 2013-02-26 2016-03-01 Univ Texas Mejoramiento de la calidad del petroleo utilizando una membrana de fibra hueca microporosa.
US9277787B2 (en) 2013-03-15 2016-03-08 Nike, Inc. Microwave bonding of EVA and rubber items
US9955536B2 (en) 2013-03-15 2018-04-24 Nike, Inc. Customized microwave energy distribution utilizing slotted cage
CN107281942B (zh) * 2017-06-28 2020-02-14 常州大学 一种用于分离甲醇-四氢呋喃的渗透汽化共混膜及其制备方法
CN109692572B (zh) * 2017-10-24 2022-03-29 中国石油化工股份有限公司 轻质润滑油原料油脱蜡溶剂的回收方法和轻质润滑油原料油脱蜡的方法
DE102018216163A1 (de) * 2018-09-21 2020-03-26 Forschungszentrum Jülich GmbH CMS-Membran, Verfahren zu ihrer Herstellung und ihre Verwendung
EP4013734A1 (de) 2019-08-14 2022-06-22 ExxonMobil Research and Engineering Company Systeme zur entfernung nichtaromatischer verbindungen für die paraxylolherstellung
US11279888B2 (en) 2020-02-13 2022-03-22 Saudi Arabian Oil Company Process and system for hydrogenation of aromatic complex bottoms
US11268037B2 (en) 2020-02-13 2022-03-08 Saudi Arabian Oil Company Process and system for hydrodearylation and hydrogenation of aromatic complex bottoms
US11149220B2 (en) 2020-02-13 2021-10-19 Saudi Arabian Oil Company Process and system for hydrogenation, hydrocracking and catalytic conversion of aromatic complex bottoms
US11248173B2 (en) 2020-02-13 2022-02-15 Saudi Arabian Oil Company Process and system for catalytic conversion of aromatic complex bottoms
US11673848B2 (en) 2020-02-27 2023-06-13 Exxonmobil Chemical Patents Inc. Xylene separation processes using a membrane separator
JP2023536122A (ja) 2020-07-31 2023-08-23 エクソンモービル ケミカル パテンツ インコーポレイテッド 膜分離器を利用する炭化水素の抽出及び/又は分離プロセス
WO2022026129A1 (en) 2020-07-31 2022-02-03 Exxonmobil Chemical Patents Inc. Processes for producing high-octane-number fuel component
US11591526B1 (en) 2022-01-31 2023-02-28 Saudi Arabian Oil Company Methods of operating fluid catalytic cracking processes to increase coke production

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627629C3 (de) 1976-06-19 1979-12-20 Bayer Ag, 5090 Leverkusen Verfahren zur Abtrennung von aromatischen* Kohlenwasserstoffen aus Gemischen mit anderen organischen Verbindungen mit Hilfe von Kunststoffmembranen
US4571444A (en) * 1984-04-27 1986-02-18 Exxon Research And Engineering Co. Process for separating alkylaromatics from aromatic solvents and the separation of the alkylaromatic isomers using membranes
US4879044A (en) 1987-10-14 1989-11-07 Exxon Research And Engineering Company Highly aromatic anisotropic polyurea/urethane membranes and their use for the separation of aromatics from non aromatics
US4872967A (en) 1988-05-23 1989-10-10 Exxon Research And Engineering Company Multistage reforming with interstage aromatics removal
US4975178A (en) 1988-05-23 1990-12-04 Exxon Research & Engineering Company Multistage reforming with interstage aromatics removal
US5019666A (en) 1988-08-04 1991-05-28 Exxon Research And Engineering Company Non-porous polycarbonate membranes for separation of aromatics from saturates
US5093003A (en) 1989-10-16 1992-03-03 Exxon Research And Engineering Company Halogenated polyurethanes
US4944880A (en) * 1989-10-16 1990-07-31 Exxon Research And Engineering Company Polyimide/aliphatic polyester copolymers
US4946594A (en) 1989-10-16 1990-08-07 Exxon Research And Engineering Company Crosslinked copolymers of aliphatic polyester diols and dianhydrides
US4990275A (en) * 1989-10-16 1991-02-05 Exxon Research And Engineering Company Polyimide aliphatic polyester copolymers (C-2356)
US5159130A (en) 1990-07-11 1992-10-27 Exxon Research And Engineering Company Polysulfone membranes for aromatics/saturates separation
US5039418A (en) 1990-12-06 1991-08-13 Exxon Research And Engineering Company Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations
US5095171A (en) 1991-04-08 1992-03-10 Exxon Research And Engineering Company Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation (OP-3602)
US5290452A (en) 1991-12-05 1994-03-01 Exxon Research & Engineering Co. Crosslinked polyester amide membranes and their use for organic separations
CA2100643A1 (en) 1992-08-14 1994-02-15 Guido Sartori Fluorinated polyolefin membranes for aromatics/saturates separation
US5241039A (en) * 1992-08-14 1993-08-31 Exxon Research & Engineering Company Polyimide/aliphatic polyester copolymers without pendent carboxylic acid groups (C-2662)
US5264166A (en) * 1993-04-23 1993-11-23 W. R. Grace & Co.-Conn. Polyimide membrane for separation of solvents from lube oil
US5416259A (en) 1993-09-21 1995-05-16 Exxon Research & Engineering Co. Feed pretreatment for pervaporation process
US5635055A (en) 1994-07-19 1997-06-03 Exxon Research & Engineering Company Membrane process for increasing conversion of catalytic cracking or thermal cracking units (law011)
US5643442A (en) 1994-07-19 1997-07-01 Exxon Research And Engineering Company Membrane process for enhanced distillate or hydrotreated distillate aromatics reduction
US5550199A (en) * 1994-12-02 1996-08-27 Exxon Research And Engineering Company Diepoxide crosslinked/esterified polyimide-aliphatic polyester copolymers
US6180008B1 (en) * 1998-07-30 2001-01-30 W. R. Grace & Co.-Conn. Polyimide membranes for hyperfiltration recovery of aromatic solvents

Also Published As

Publication number Publication date
EP1102734B1 (de) 2003-12-17
DE69913704T2 (de) 2004-06-17
JP2002521528A (ja) 2002-07-16
KR100612707B1 (ko) 2006-08-16
EP1102734A4 (de) 2001-11-07
ES2213377T3 (es) 2004-08-16
WO2000006526A1 (en) 2000-02-10
EP1102734A1 (de) 2001-05-30
KR20010082021A (ko) 2001-08-29
TW518248B (en) 2003-01-21
ATE256649T1 (de) 2004-01-15
AU5222099A (en) 2000-02-21
AU746308B2 (en) 2002-04-18
MY119763A (en) 2005-07-29
US6187987B1 (en) 2001-02-13
WO2000006526A9 (en) 2000-11-09

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