IN191220B - - Google Patents
Info
- Publication number
- IN191220B IN191220B IN425CA1997A IN191220B IN 191220 B IN191220 B IN 191220B IN 425CA1997 A IN425CA1997 A IN 425CA1997A IN 191220 B IN191220 B IN 191220B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/42—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic
- C07C15/44—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals monocyclic the hydrocarbon substituent containing a carbon-to-carbon double bond
- C07C15/46—Styrene; Ring-alkylated styrenes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/36—Azeotropic distillation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/40—Extractive distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/32—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with formation of free hydrogen
- C07C5/327—Formation of non-aromatic carbon-to-carbon double bonds only
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
- C07C7/163—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation
- C07C7/167—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound by hydrogenation for removal of compounds containing a triple carbon-to-carbon bond
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING 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
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one extraction step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING 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
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/08—Azeotropic or extractive distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/719,692 US5877385A (en) | 1996-05-21 | 1996-09-26 | Process including extractive distillation and/or dehydrogenation to produce styrene from petroleum feedstock including ethyl-benzene/xylene mixtures |
Publications (1)
Publication Number | Publication Date |
---|---|
IN191220B true IN191220B (bg) | 2003-10-11 |
Family
ID=24891003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN425CA1997 IN191220B (bg) | 1996-09-26 | 1997-03-11 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5877385A (bg) |
AR (1) | AR008837A1 (bg) |
AU (1) | AU4264297A (bg) |
CO (1) | CO4850622A1 (bg) |
IN (1) | IN191220B (bg) |
WO (1) | WO1998013320A1 (bg) |
ZA (1) | ZA978535B (bg) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6100439A (en) | 1998-12-14 | 2000-08-08 | Betzdearborn Inc. | Styrene caustic wash extraction aid |
CN1172886C (zh) * | 2001-06-29 | 2004-10-27 | 中国石油化工股份有限公司 | 一种抽提蒸馏分离芳烃的方法及使用的复合溶剂 |
FR2844790B1 (fr) * | 2002-09-20 | 2004-10-22 | Inst Francais Du Petrole | Procede de coproduction de paraxylene et de styrene |
CN101121634B (zh) * | 2006-08-11 | 2010-06-16 | 中国石油化工股份有限公司 | 裂解汽油中苯乙烯的回收方法 |
US7871514B2 (en) * | 2007-08-10 | 2011-01-18 | Cpc Corporation, Taiwan | Extractive distillation processes using water-soluble extractive solvents |
US7666299B2 (en) * | 2007-08-10 | 2010-02-23 | Amt International, Inc. | Extractive distillation process for recovering aromatics from petroleum streams |
WO2009126127A1 (en) * | 2008-04-10 | 2009-10-15 | Cpc Corporation, Taiwan | Novel energy efficient and throughput enhancing extractive process for aromatics recovery |
CN101875592B (zh) * | 2009-04-30 | 2013-07-31 | 中国石油化工股份有限公司 | 萃取精馏分离苯乙烯所用萃取溶剂的再生方法 |
US8771476B2 (en) * | 2009-07-17 | 2014-07-08 | Gtc Technology Lp | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
US8362313B2 (en) * | 2009-07-17 | 2013-01-29 | Gtc Technology, Lp | Processes and systems for recovery of styrene from a styrene-containing feedstock |
US8361312B2 (en) * | 2009-07-17 | 2013-01-29 | Gtc Technology, Lp | Methods for removal of colored- and sulfur-containing impurities from hydrocarbon streams |
US8460517B2 (en) * | 2009-09-02 | 2013-06-11 | Gtc Technology Us Llc | Methods and apparatuses for steam addition to a reboiler coupled to an extractive distillation column for improved extractive distillation |
DE102010051396A1 (de) | 2010-11-16 | 2012-05-16 | Thyssenkrupp Uhde Gmbh | Verfahren zur Entfernung schwersiedender Kohlenwasserstoffe aus Lösungsmittelströmen |
US9221729B1 (en) * | 2015-02-23 | 2015-12-29 | Allnew Chemical Technology Company | Extractive distillation for aromatics recovery |
CN104829413B (zh) * | 2015-03-26 | 2017-01-18 | 南京师范大学 | 单侧线减压萃取抽提轻质裂解碳九芳烃中苯乙烯的方法 |
CN105602613B (zh) * | 2016-01-24 | 2017-10-31 | 太原理工大学 | 一步法分离煤直接液化油中酚、芳烃和烷烃的方法 |
EP3496835A1 (en) * | 2016-08-11 | 2019-06-19 | Versalis S.p.A. | Process for the purification of the solvent deriving from the production of elastomeric blends |
US10093873B2 (en) | 2016-09-06 | 2018-10-09 | Saudi Arabian Oil Company | Process to recover gasoline and diesel from aromatic complex bottoms |
US11066344B2 (en) | 2017-02-16 | 2021-07-20 | Saudi Arabian Oil Company | Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock |
KR102464480B1 (ko) * | 2020-06-16 | 2022-11-07 | 주식회사 엘지화학 | 방향족 탄화수소의 제조방법 |
US11370980B2 (en) | 2020-07-31 | 2022-06-28 | Saudi Arabian Oil Company | Recycle catalytic reforming process to increase aromatics yield |
US11613714B2 (en) | 2021-01-13 | 2023-03-28 | Saudi Arabian Oil Company | Conversion of aromatic complex bottoms to useful products in an integrated refinery process |
US11591526B1 (en) | 2022-01-31 | 2023-02-28 | Saudi Arabian Oil Company | Methods of operating fluid catalytic cracking processes to increase coke production |
CN116531798B (zh) * | 2023-05-29 | 2023-11-10 | 苏州肤莱特生物科技有限公司 | 一种植物精华萃取装置及其萃取方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2380019A (en) * | 1942-02-09 | 1945-07-10 | Lummus Co | Azeotropic distillation |
US2385235A (en) * | 1942-10-26 | 1945-09-18 | Lummus Co | Styrene distillation |
US2467197A (en) * | 1945-09-06 | 1949-04-12 | Allied Chem & Dye Corp | Azeotropic distillation of styrene |
US2831039A (en) * | 1955-04-04 | 1958-04-15 | Standard Oil Co | Solvent extraction |
US3018228A (en) * | 1958-08-04 | 1962-01-23 | Monsanto Chemicals | Extractive distillation process |
BE745743A (fr) * | 1969-02-17 | 1970-07-16 | Toray Industries | Procedes de recuperation de styrene et de xylenes a partir d'huile craquee et nouveaux produits ainsi obtenus ( |
JPS5021B1 (bg) * | 1970-07-18 | 1975-01-06 | ||
US3953300A (en) * | 1972-11-29 | 1976-04-27 | Snam Progetti, S.P.A. | Process for separating a high purity vinyl aromatic hydrocarbon from hydrocarbon mixtures containing the same |
US5196632A (en) * | 1990-08-09 | 1993-03-23 | The Badger Company, Inc. | Treatment of heat exchangers to reduce corrosion and by-product reactions |
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1996
- 1996-09-26 US US08/719,692 patent/US5877385A/en not_active Expired - Lifetime
-
1997
- 1997-03-11 IN IN425CA1997 patent/IN191220B/en unknown
- 1997-09-09 WO PCT/US1997/015988 patent/WO1998013320A1/en active Application Filing
- 1997-09-09 AU AU42642/97A patent/AU4264297A/en not_active Abandoned
- 1997-09-16 AR ARP970104237A patent/AR008837A1/es unknown
- 1997-09-23 ZA ZA9708535A patent/ZA978535B/xx unknown
- 1997-09-25 CO CO97056009A patent/CO4850622A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
ZA978535B (en) | 1998-04-17 |
AR008837A1 (es) | 2000-02-23 |
AU4264297A (en) | 1998-04-17 |
CO4850622A1 (es) | 1999-10-26 |
WO1998013320A1 (en) | 1998-04-02 |
US5877385A (en) | 1999-03-02 |