JP6867494B2 - リサイクルからイオン性液体及び固体吸着剤により重質多核芳香族を分離することを含む水素化分解方法及びシステム - Google Patents

リサイクルからイオン性液体及び固体吸着剤により重質多核芳香族を分離することを含む水素化分解方法及びシステム Download PDF

Info

Publication number
JP6867494B2
JP6867494B2 JP2019536265A JP2019536265A JP6867494B2 JP 6867494 B2 JP6867494 B2 JP 6867494B2 JP 2019536265 A JP2019536265 A JP 2019536265A JP 2019536265 A JP2019536265 A JP 2019536265A JP 6867494 B2 JP6867494 B2 JP 6867494B2
Authority
JP
Japan
Prior art keywords
hpna
stream
compound
ion
residual
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
JP2019536265A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020514471A5 (https=
JP2020514471A (ja
Inventor
オマー・レファ・コセオグル
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.)
Saudi Arabian Oil Co
Original Assignee
Saudi Arabian Oil Co
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 Saudi Arabian Oil Co filed Critical Saudi Arabian Oil Co
Publication of JP2020514471A publication Critical patent/JP2020514471A/ja
Publication of JP2020514471A5 publication Critical patent/JP2020514471A5/ja
Application granted granted Critical
Publication of JP6867494B2 publication Critical patent/JP6867494B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • C10G55/00Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
    • C10G55/02Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
    • C10G55/06Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D11/00Solvent extraction
    • B01D11/04Solvent extraction of solutions which are liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • 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
    • C10G21/00Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • C10G21/06Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
    • C10G21/12Organic compounds only
    • C10G21/20Nitrogen-containing compounds
    • 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
    • C10G21/00Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • C10G21/06Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
    • C10G21/12Organic compounds only
    • C10G21/24Phosphorus-containing compounds
    • 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
    • C10G53/00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
    • C10G53/04Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
    • 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
    • C10G53/00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
    • C10G53/02Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
    • C10G53/08Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one sorption step
    • 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
    • C10G67/04Treatment 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 including solvent extraction as the refining step in the absence of hydrogen
    • C10G67/0409Extraction of unsaturated hydrocarbons
    • C10G67/0445The hydrotreatment being a hydrocracking
    • 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
    • C10G67/06Treatment 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 including a sorption process as the refining step in the absence of hydrogen
    • 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
    • C10G67/14Treatment 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 including at least two different refining steps in the absence of hydrogen
    • 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
    • C10G7/00Distillation of hydrocarbon oils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/20Organic adsorbents
    • 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10Feedstock materials
    • C10G2300/1037Hydrocarbon fractions
    • C10G2300/1048Middle distillates
    • C10G2300/1059Gasoil having a boiling range of about 330 - 427 °C
    • 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10Feedstock materials
    • C10G2300/1096Aromatics or polyaromatics

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2019536265A 2017-01-04 2018-01-03 リサイクルからイオン性液体及び固体吸着剤により重質多核芳香族を分離することを含む水素化分解方法及びシステム Expired - Fee Related JP6867494B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762442228P 2017-01-04 2017-01-04
US62/442,228 2017-01-04
PCT/US2018/012160 WO2018129022A1 (en) 2017-01-04 2018-01-03 Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by ionic liquids and solid adsorbents

Publications (3)

Publication Number Publication Date
JP2020514471A JP2020514471A (ja) 2020-05-21
JP2020514471A5 JP2020514471A5 (https=) 2021-02-12
JP6867494B2 true JP6867494B2 (ja) 2021-04-28

Family

ID=61569335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019536265A Expired - Fee Related JP6867494B2 (ja) 2017-01-04 2018-01-03 リサイクルからイオン性液体及び固体吸着剤により重質多核芳香族を分離することを含む水素化分解方法及びシステム

Country Status (6)

Country Link
US (1) US10920157B2 (https=)
EP (1) EP3565876B1 (https=)
JP (1) JP6867494B2 (https=)
KR (1) KR102271840B1 (https=)
CN (1) CN110168057A (https=)
WO (1) WO2018129022A1 (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111097190A (zh) * 2018-10-25 2020-05-05 中国石油化工股份有限公司 离子液体萃取回收有机溶剂的方法
US11066610B2 (en) * 2019-05-28 2021-07-20 Saudi Arabian Oil Company Systems and processes for suppressing heavy polynuclear aromatic deposition in a hydrocracking process
US11173482B2 (en) 2019-05-28 2021-11-16 Saudi Arabian Oil Company Combustion of spent adsorbents containing HPNA compounds in FCC catalyst regenerator
US11180701B2 (en) * 2019-08-02 2021-11-23 Saudi Arabian Oil Company Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by extraction
US11279886B2 (en) 2019-11-05 2022-03-22 Saudi Arabian Oil Company Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by sulfonation
US11292970B2 (en) 2019-11-05 2022-04-05 Saudi Arabian Oil Company Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle by oxidation
US10934493B1 (en) 2019-11-22 2021-03-02 Chevron U.S.A. Inc. Extraction of heavy polynuclear aromatics from heavy oil
US12077714B2 (en) 2019-12-11 2024-09-03 Saudi Arabian Oil Company Needle coke production from HPNA recovered from hydrocracking unit
US11384299B2 (en) 2019-12-19 2022-07-12 Saudi Arabian Oil Company Systems and processes for upgrading and converting crude oil to petrochemicals through steam cracking
US20210198586A1 (en) * 2019-12-26 2021-07-01 Saudi Arabian Oil Company Hydrocracking process and system including removal of heavy poly nuclear aromatics from hydrocracker bottoms by coking
CA3074850A1 (en) * 2020-03-05 2021-09-05 Suncor Energy Inc. Ionic liquids for upgrading of bitumen
US11021665B1 (en) * 2020-04-27 2021-06-01 Saudi Arabian Oil Company Two-stage recycle hydrocracking processes
CN116348572A (zh) * 2020-10-16 2023-06-27 国际壳牌研究有限公司 脂族烃的回收
CN116438281A (zh) * 2020-11-13 2023-07-14 国际壳牌研究有限公司 脂族烃的回收
US20220204873A1 (en) * 2020-12-30 2022-06-30 Chevron U.S.A. Inc. Hydrocracking operation with reduced accumulation of heavy polynuclear aromatics
US11326112B1 (en) 2021-01-07 2022-05-10 Saudi Arabian Oil Company Integrated hydrocracking/adsorption and aromatic recovery complex to utilize the aromatic bottoms stream
US11549065B2 (en) 2021-01-07 2023-01-10 Saudi Arabian Oil Company Adsorption systems and processes for recovering PNA and HPNA compounds from petroleum based materials and regenerating adsorbents
US11661555B2 (en) 2021-10-12 2023-05-30 Uop Llc Process and apparatus for introducing catalyst precursor into slurry hydrocracking reactor
US11807610B2 (en) 2022-02-08 2023-11-07 Chevron U.S.A. Inc. Functionalized ionic liquid for solvating heavy aromatic compounds
US11542442B1 (en) 2022-04-05 2023-01-03 Saudi Arabian Oil Company Hydrocracking process and system including separation of heavy poly nuclear aromatics from recycle with heteropoly acids
US12534660B2 (en) 2024-04-10 2026-01-27 Saudi Arabian Oil Company Methods for cementing wellbores utilizing spacer fluids that include surfactant packages

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4170544A (en) * 1978-06-12 1979-10-09 Chevron Research Company Hydrocracking process including upgrading of bottoms fraction of the product
US4447315A (en) * 1983-04-22 1984-05-08 Uop Inc. Hydrocracking process
US7019188B2 (en) * 2002-06-14 2006-03-28 Nova Chemicals (International) S.A. Use of ionic liquids to separate olefins, diolefins and aromatics
FR2909667B1 (fr) * 2006-12-12 2009-02-20 Inst Francais Du Petrole Elimination de l'acetonitrile dans la charge olefinique des procedes de production d'ethers par mise en oeuvre de liquides ioniques.
EP2292572A1 (en) * 2009-09-07 2011-03-09 Shell Internationale Research Maatschappij B.V. Process for the separation of aromatic compounds from a mixture
WO2011119807A1 (en) 2010-03-26 2011-09-29 Saudi Arabian Oil Company Ionic liquid desulfurization process incorporated in a low pressure separator
US8992767B2 (en) 2010-03-26 2015-03-31 Saudi Arabian Oil Company Ionic liquid desulfurization process incorporated in a contact vessel
US8828219B2 (en) 2011-01-24 2014-09-09 Saudi Arabian Oil Company Hydrocracking process with feed/bottoms treatment
US8574426B2 (en) * 2011-12-15 2013-11-05 Uop Llc Extraction of polycyclic aromatic compounds from petroleum feedstocks using ionic liquids
US9688923B2 (en) * 2014-06-10 2017-06-27 Saudi Arabian Oil Company Integrated methods for separation and extraction of polynuclear aromatic hydrocarbons, heterocyclic compounds, and organometallic compounds from hydrocarbon feedstocks
US20150361351A1 (en) * 2014-06-12 2015-12-17 Uop Llc Ionic liquid treatment of vacuum slop cut to increase hydrocracking feed
US20160108325A1 (en) * 2014-10-20 2016-04-21 Uop Llc Process for hydrotreating a coker kerosene stream to provide a feed stream for a paraffin separation zone

Also Published As

Publication number Publication date
US20180187100A1 (en) 2018-07-05
US10920157B2 (en) 2021-02-16
KR20190104037A (ko) 2019-09-05
EP3565876B1 (en) 2021-06-30
WO2018129022A1 (en) 2018-07-12
WO2018129022A4 (en) 2018-09-07
KR102271840B1 (ko) 2021-07-02
EP3565876A1 (en) 2019-11-13
JP2020514471A (ja) 2020-05-21
CN110168057A (zh) 2019-08-23

Similar Documents

Publication Publication Date Title
JP6867494B2 (ja) リサイクルからイオン性液体及び固体吸着剤により重質多核芳香族を分離することを含む水素化分解方法及びシステム
KR101895091B1 (ko) 피드/버텀 처리를 갖는 수소화 분해 공정
RU2703724C1 (ru) Способ получения дизельного топлива из потока углеводородов
US10533142B2 (en) Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units
RU2758382C2 (ru) Способ и устройство для гидрокрекинга с уменьшением количества полиядерных ароматических соединений
US8852404B2 (en) Apparatus for removing heavy polynuclear aromatic compounds from a hydroprocessed stream
US8574425B2 (en) Process for removing heavy polynuclear aromatic compounds from a hydroprocessed stream
KR20140049034A (ko) 선택적 수소화분해 및 유동 접촉 분해 통합 공정
KR101945568B1 (ko) 선택적 2-단계 수소화처리 시스템 및 방법
CN106062140A (zh) 用两个产物分馏塔加氢操作的方法和装置
KR101947849B1 (ko) 선택적 직렬-흐름 수소화처리 시스템 및 방법
KR101947850B1 (ko) 선택적 2-단계 수소화처리 시스템 및 방법
JP5969607B2 (ja) 選択的単一段階水素化系およびその方法
US11326112B1 (en) Integrated hydrocracking/adsorption and aromatic recovery complex to utilize the aromatic bottoms stream
US10611970B2 (en) Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units
US11549065B2 (en) Adsorption systems and processes for recovering PNA and HPNA compounds from petroleum based materials and regenerating adsorbents
RU2531589C1 (ru) Способ и установка для извлечения тяжелых полициклических ароматических соединений из потока гидрообработки
US10465127B2 (en) Method and device for reducing heavy polycyclic aromatic compounds in hydrocracking units
CN105658290B (zh) 制备具有高十六烷值的柴油的方法和设备
JP6273201B2 (ja) 選択的シリーズフロー水素化系およびその方法
WO2021112894A1 (en) Methods and systems of steam stripping a hydrocracking feedstock

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210104

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210104

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20210104

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20210218

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20210315

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20210408

R150 Certificate of patent or registration of utility model

Ref document number: 6867494

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees