IN191114B - - Google Patents
Info
- Publication number
- IN191114B IN191114B IN718CA1997A IN191114B IN 191114 B IN191114 B IN 191114B IN 718CA1997 A IN718CA1997 A IN 718CA1997A IN 191114 B IN191114 B IN 191114B
- Authority
- IN
- India
Links
Classifications
-
- 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
- C07C5/367—Formation of an aromatic six-membered ring from an existing six-membered ring, e.g. dehydrogenation of ethylcyclohexane to ethylbenzene
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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
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/08—Azeotropic or extractive distillation
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US65170796A | 1996-05-21 | 1996-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN191114B true IN191114B (US06373033-20020416-M00035.png) | 2003-09-20 |
Family
ID=24613893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN718CA1997 IN191114B (US06373033-20020416-M00035.png) | 1996-05-21 | 1997-04-25 |
Country Status (11)
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6100439A (en) | 1998-12-14 | 2000-08-08 | Betzdearborn Inc. | Styrene caustic wash extraction aid |
| US6555726B1 (en) | 1999-11-10 | 2003-04-29 | Gaylord Chemical Corporation | Methods for enhanced extractive distillation employing extractive distillation compositions comprising sulfolane and compatibility agent |
| US6551502B1 (en) * | 2000-02-11 | 2003-04-22 | Gtc Technology Corporation | Process of removing sulfur compounds from gasoline |
| US20010049462A1 (en) * | 2000-04-28 | 2001-12-06 | Fu-Ming Lee | Aromatics purification from petroleum streams |
| US6660899B2 (en) | 2001-02-14 | 2003-12-09 | Gaylord Chemical Corporation | Methods for enhanced aromatic extraction employing sulfone-sulfoxide compositions |
| US7014736B2 (en) | 2003-03-18 | 2006-03-21 | Nippon Shokubai Co., Ltd. | Apparatus and process for purification of acrylic acid family |
| EP1650287B1 (en) * | 2003-07-04 | 2012-03-28 | Beijing Grand Golden-Bright Engineering & Technologies Co. Ltd. | A method for recombining catalytic hydrocarbons |
| DE102005029643B3 (de) * | 2005-06-23 | 2006-07-20 | Uhde Gmbh | Verfahren zur Gewinnung von Reinstyrol aus einer Pyrolysebenzinfraktion |
| US20080128264A1 (en) * | 2006-08-09 | 2008-06-05 | Kuang Yeu Wu | Three-phase extractive distillation with multiple columns connected in series |
| 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 |
| US7666299B2 (en) * | 2007-08-10 | 2010-02-23 | Amt International, Inc. | Extractive distillation process for recovering aromatics from petroleum streams |
| CN101429091B (zh) * | 2007-11-07 | 2011-07-20 | 中国石油化工股份有限公司 | 萃取精馏回收苯乙烯的脱色方法 |
| CN101468938B (zh) * | 2007-12-28 | 2012-09-05 | 中国石油化工股份有限公司 | 从烃类混合物中萃取精馏分离苯乙烯的复合溶剂及方法 |
| WO2009120181A1 (en) | 2008-03-25 | 2009-10-01 | Cpc Corporation, Taiwan | Improved extractive distillation processes using water-soluble extractive solvents |
| CN101759520B (zh) * | 2008-12-25 | 2012-12-12 | 中国石油化工股份有限公司 | 从烃类混合物中萃取精馏分离苯乙烯的方法 |
| 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 |
| US8696871B2 (en) * | 2009-06-02 | 2014-04-15 | Uop Llc | Apparatus for removing a contaminant from a solvent separation process |
| US20100300939A1 (en) * | 2009-06-02 | 2010-12-02 | Uop Llc | Process for Removing a Contaminant from an Aromatic Selective Solvent |
| US8361312B2 (en) * | 2009-07-17 | 2013-01-29 | Gtc Technology, Lp | Methods for removal of colored- and sulfur-containing impurities from hydrocarbon streams |
| US8771476B2 (en) | 2009-07-17 | 2014-07-08 | Gtc Technology Lp | Methods for inhibiting polymerization of vinyl aromatic compounds during extractive distillation |
| 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 |
| CN102311304B (zh) * | 2010-06-29 | 2014-10-01 | 中国石油化工股份有限公司 | 一种萃取精馏分离苯乙烯的复合溶剂及应用 |
| EP2778158A1 (en) * | 2013-03-14 | 2014-09-17 | Advanced Technology Materials, Inc. | Sulfolane mixtures as ambient aprotic polar solvents |
| KR101515816B1 (ko) * | 2014-03-05 | 2015-05-04 | 주식회사 에젤 | 고비점, 중비점 및 저비점 성분을 포함하는 원료의 정제 장치 및 정제 방법 |
| ES2887401T3 (es) * | 2014-09-05 | 2021-12-22 | Scg Chemicals Co Ltd | Procedimiento para la separación mejorada de etilbenceno |
| EP2993163B1 (en) * | 2014-09-05 | 2018-02-21 | Scg Chemicals Co. Ltd. | Process for the separation of ethylbenzene |
| CN107074688B (zh) * | 2014-09-05 | 2020-12-01 | Scg化学有限公司 | 用于c8芳香族混合物的分离方法 |
| US9221729B1 (en) * | 2015-02-23 | 2015-12-29 | Allnew Chemical Technology Company | Extractive distillation for aromatics recovery |
| US10301235B1 (en) | 2016-02-19 | 2019-05-28 | Agilyx Corporation | Systems and methods for recycling waste plastics, including waste polystyrene |
| CN110028376B (zh) * | 2018-01-12 | 2021-08-06 | 中国石油化工股份有限公司 | 萃取精馏分离苯乙烯所用溶剂的净化及苯乙烯分离方法 |
| CN110627623B (zh) * | 2019-09-06 | 2020-09-22 | 陕西煤业化工集团神木天元化工有限公司 | 酚类产品中碱性氮化物的分离系统及方法 |
| EP3907210A1 (en) | 2020-05-08 | 2021-11-10 | Sulzer Management AG | A process and apparatus for preparing a purified styrene composition from styrene containing feedstock |
| KR20230119654A (ko) | 2020-12-10 | 2023-08-16 | 아질릭스 코포레이션 | 폐 플라스틱을 재활용하기 위한 시스템 및 방법 |
Family Cites Families (25)
| 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 |
| US2480919A (en) * | 1946-03-13 | 1949-09-06 | Allied Chem & Dye Corp | Recovery of styrene by azeotropic distillation |
| US2753381A (en) * | 1953-12-18 | 1956-07-03 | Phillips Petroleum Co | Nu-acyl pyrrolidines as selective solvents |
| US2831039A (en) * | 1955-04-04 | 1958-04-15 | Standard Oil Co | Solvent extraction |
| US2943122A (en) * | 1957-06-19 | 1960-06-28 | Ohio Oil Company | Fractionation of mixtures of aromatic compounds utilizing gamma lactum solvents |
| US3018228A (en) * | 1958-08-04 | 1962-01-23 | Monsanto Chemicals | Extractive distillation process |
| US3210259A (en) * | 1961-06-26 | 1965-10-05 | Monsanto Co | Extractive separation process |
| US3272723A (en) * | 1962-10-24 | 1966-09-13 | Monsanto Co | Purification of xylenes from styrene by distillation in the presence of combined azeotroping agent and solvent additive |
| DE1188075B (de) * | 1963-03-12 | 1965-03-04 | Erdoelchemie Gmbh | Verfahren zur Trennung von o-Xylol und Styrol |
| 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 (US06373033-20020416-M00035.png) * | 1970-07-18 | 1975-01-06 | ||
| JPS5516330B2 (US06373033-20020416-M00035.png) * | 1972-05-20 | 1980-05-01 | ||
| 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 |
| US4031153A (en) * | 1975-09-25 | 1977-06-21 | Phillips Petroleum Company | Separation of styrene from xylenes |
| US4371427A (en) * | 1981-06-16 | 1983-02-01 | Phillips Petroleum Company | Extractive distillation |
| US4401517A (en) * | 1981-11-20 | 1983-08-30 | Phillips Petroleum Company | Vapor-liquid extractive distillation with dialkyl sulfone/water combination |
| US4514261A (en) * | 1984-08-31 | 1985-04-30 | El Paso Products Company | Refining of tertiary butylstyrene |
| US4543438A (en) * | 1984-12-24 | 1985-09-24 | El Paso Products Company | Tertiary-butylstyrene recovery |
| US4543437A (en) * | 1984-12-24 | 1985-09-24 | El Paso Products Company | Refining of tertiary butylstyrene |
| US4959128A (en) * | 1990-02-26 | 1990-09-25 | Lloyd Berg | Separation of styrene from ethyl benzene by extractive distillation |
| US4966656A (en) * | 1990-06-04 | 1990-10-30 | Lloyd Berg | Separation of styrene from ethyl benzene or o-xylene by azeotropic or extractive distillation with esters |
| US5100514A (en) * | 1991-03-01 | 1992-03-31 | Lloyd Berg | Separation of pyridine from water by extractive distillation |
| US5399244A (en) * | 1993-12-06 | 1995-03-21 | Glitsch, Inc. | Process to recover benzene from mixed hydrocarbons by extractive distillation |
-
1997
- 1997-04-08 ZA ZA9702966A patent/ZA972966B/xx unknown
- 1997-04-21 ID IDP971314A patent/ID16811A/id unknown
- 1997-04-25 IN IN718CA1997 patent/IN191114B/en unknown
- 1997-05-07 JP JP09540295A patent/JP3109838B2/ja not_active Expired - Lifetime
- 1997-05-07 WO PCT/US1997/007888 patent/WO1997044298A1/en active IP Right Grant
- 1997-05-07 CN CN97196399A patent/CN1077560C/zh not_active Expired - Lifetime
- 1997-05-07 AR ARP970101901A patent/AR007039A1/es unknown
- 1997-05-07 AU AU29379/97A patent/AU2937997A/en not_active Abandoned
- 1997-05-07 KR KR1019980709429A patent/KR100330488B1/ko not_active IP Right Cessation
- 1997-05-09 TW TW086106200A patent/TW450993B/zh not_active IP Right Cessation
- 1997-10-29 US US08/967,185 patent/US5849982A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR100330488B1 (ko) | 2002-06-20 |
| WO1997044298A1 (en) | 1997-11-27 |
| AU2937997A (en) | 1997-12-09 |
| CN1077560C (zh) | 2002-01-09 |
| JP3109838B2 (ja) | 2000-11-20 |
| JPH11509868A (ja) | 1999-08-31 |
| ID16811A (id) | 1997-11-13 |
| US5849982A (en) | 1998-12-15 |
| KR20000015878A (ko) | 2000-03-15 |
| AR007039A1 (es) | 1999-10-13 |
| CN1225081A (zh) | 1999-08-04 |
| TW450993B (en) | 2001-08-21 |
| ZA972966B (en) | 1997-11-21 |
