CN1077560C - 用萃取蒸馏法由裂解汽油中回收苯乙烯 - Google Patents
用萃取蒸馏法由裂解汽油中回收苯乙烯 Download PDFInfo
- Publication number
- CN1077560C CN1077560C CN97196399A CN97196399A CN1077560C CN 1077560 C CN1077560 C CN 1077560C CN 97196399 A CN97196399 A CN 97196399A CN 97196399 A CN97196399 A CN 97196399A CN 1077560 C CN1077560 C CN 1077560C
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- China
- Prior art keywords
- solvent
- raw material
- distillation tower
- tower
- extraction
- 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 - Lifetime
Links
- 238000000895 extractive distillation Methods 0.000 title claims abstract description 30
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 24
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims description 89
- 238000011084 recovery Methods 0.000 title description 5
- 239000002904 solvent Substances 0.000 claims abstract description 138
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 41
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 40
- 238000009835 boiling Methods 0.000 claims abstract description 37
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000000605 extraction Methods 0.000 claims description 95
- 238000004821 distillation Methods 0.000 claims description 76
- 239000002994 raw material Substances 0.000 claims description 76
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 30
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 28
- -1 vinylbenzene aromatic hydrocarbons Chemical class 0.000 claims description 24
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical group CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 229930195733 hydrocarbon Natural products 0.000 claims description 17
- 150000002430 hydrocarbons Chemical class 0.000 claims description 17
- 238000000746 purification Methods 0.000 claims description 17
- 239000004215 Carbon black (E152) Substances 0.000 claims description 16
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 12
- 238000005984 hydrogenation reaction Methods 0.000 claims description 9
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims description 8
- QFYXSLAAXZTRLG-UHFFFAOYSA-N pyrrolidine-2,3-dione Chemical class O=C1CCNC1=O QFYXSLAAXZTRLG-UHFFFAOYSA-N 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 13
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 238000010992 reflux Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 9
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 8
- 241000282326 Felis catus Species 0.000 description 6
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 6
- LCEDQNDDFOCWGG-UHFFFAOYSA-N morpholine-4-carbaldehyde Chemical compound O=CN1CCOCC1 LCEDQNDDFOCWGG-UHFFFAOYSA-N 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- UEXCJVNBTNXOEH-UHFFFAOYSA-N Ethynylbenzene Chemical group C#CC1=CC=CC=C1 UEXCJVNBTNXOEH-UHFFFAOYSA-N 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical group CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 238000004587 chromatography analysis Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 229920002554 vinyl polymer Polymers 0.000 description 4
- WXACXMWYHXOSIX-UHFFFAOYSA-N 5-propan-2-ylidenecyclopenta-1,3-diene Chemical compound CC(C)=C1C=CC=C1 WXACXMWYHXOSIX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- QROGIFZRVHSFLM-UHFFFAOYSA-N prop-1-enylbenzene Chemical class CC=CC1=CC=CC=C1 QROGIFZRVHSFLM-UHFFFAOYSA-N 0.000 description 3
- INYHZQLKOKTDAI-UHFFFAOYSA-N 5-ethenylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C=C)CC1C=C2 INYHZQLKOKTDAI-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- ZCIOCTMLNSDWLS-UHFFFAOYSA-N N1CCNCC1.S1(=O)(=O)CCCC1 Chemical compound N1CCNCC1.S1(=O)(=O)CCCC1 ZCIOCTMLNSDWLS-UHFFFAOYSA-N 0.000 description 2
- QROGIFZRVHSFLM-QHHAFSJGSA-N [(e)-prop-1-enyl]benzene Chemical compound C\C=C\C1=CC=CC=C1 QROGIFZRVHSFLM-QHHAFSJGSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- WEHMXWJFCCNXHJ-UHFFFAOYSA-N propa-1,2-dienylbenzene Chemical compound C=C=CC1=CC=CC=C1 WEHMXWJFCCNXHJ-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- JQTZGXZYJIJECP-UHFFFAOYSA-N 2,5-diethylthiophene Chemical compound CCC1=CC=C(CC)S1 JQTZGXZYJIJECP-UHFFFAOYSA-N 0.000 description 1
- PGTKVMVZBBZCKQ-UHFFFAOYSA-N Fulvene Chemical compound C=C1C=CC=C1 PGTKVMVZBBZCKQ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- BTGRAWJCKBQKAO-UHFFFAOYSA-N adiponitrile Chemical compound N#CCCCCC#N BTGRAWJCKBQKAO-UHFFFAOYSA-N 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 1
- 238000000998 batch distillation Methods 0.000 description 1
- ONJMNXFNTYIEEA-UHFFFAOYSA-N benzene ethene Chemical compound C1=CC=CC=C1.C=C.C=C.C=C ONJMNXFNTYIEEA-UHFFFAOYSA-N 0.000 description 1
- SYWDWCWQXBUCOP-UHFFFAOYSA-N benzene;ethene Chemical group C=C.C1=CC=CC=C1 SYWDWCWQXBUCOP-UHFFFAOYSA-N 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006471 dimerization reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- KVIPHDKUOLVVQN-UHFFFAOYSA-N ethene;hydrate Chemical compound O.C=C KVIPHDKUOLVVQN-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
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- 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
-
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65170796A | 1996-05-21 | 1996-05-21 | |
US08/651,707 | 1996-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1225081A CN1225081A (zh) | 1999-08-04 |
CN1077560C true CN1077560C (zh) | 2002-01-09 |
Family
ID=24613893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97196399A Expired - Lifetime CN1077560C (zh) | 1996-05-21 | 1997-05-07 | 用萃取蒸馏法由裂解汽油中回收苯乙烯 |
Country Status (11)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107074687A (zh) * | 2014-09-05 | 2017-08-18 | Scg化学有限公司 | 用于增强乙苯的分离的方法 |
CN110028376A (zh) * | 2018-01-12 | 2019-07-19 | 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 |
Families Citing this family (31)
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 |
JP4399454B2 (ja) * | 2003-07-04 | 2010-01-13 | ベイジンジンウェイフイゴンチェンジシュヨウシアンゴンシ | 接触分解アルキレートの改質処理方法 |
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 |
EP2559466B1 (en) | 2008-03-25 | 2013-12-04 | 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 |
US9520617B2 (en) * | 2013-03-14 | 2016-12-13 | 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 |
EP2993163B1 (en) * | 2014-09-05 | 2018-02-21 | Scg Chemicals Co. Ltd. | Process for the separation of ethylbenzene |
PL3189022T3 (pl) * | 2014-09-05 | 2021-11-08 | Scg Chemicals Company Limited | Sposób rozdzielania dla mieszaniny aromatycznych związków C8 |
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 |
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 |
EP3907211A1 (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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763015A (en) * | 1970-07-18 | 1973-10-02 | Toray Industries | Process for the separation of styrene from thermally cracked petroleum by polymer inhibition and extractive distillation |
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 |
US4543438A (en) * | 1984-12-24 | 1985-09-24 | El Paso Products Company | Tertiary-butylstyrene recovery |
Family Cites Families (22)
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 |
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- 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 WO PCT/US1997/007888 patent/WO1997044298A1/en active IP Right Grant
- 1997-05-07 KR KR1019980709429A patent/KR100330488B1/ko not_active IP Right Cessation
- 1997-05-07 JP JP09540295A patent/JP3109838B2/ja not_active Expired - Lifetime
- 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
- 1997-05-09 TW TW086106200A patent/TW450993B/zh not_active IP Right Cessation
- 1997-10-29 US US08/967,185 patent/US5849982A/en not_active Expired - Lifetime
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107074687A (zh) * | 2014-09-05 | 2017-08-18 | Scg化学有限公司 | 用于增强乙苯的分离的方法 |
US10435340B2 (en) | 2014-09-05 | 2019-10-08 | Scg Chemicals Co., Ltd. | Process for the enhanced separation of ethylbenzene |
CN110028376A (zh) * | 2018-01-12 | 2019-07-19 | 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 |
Also Published As
Publication number | Publication date |
---|---|
WO1997044298A1 (en) | 1997-11-27 |
ID16811A (id) | 1997-11-13 |
KR100330488B1 (ko) | 2002-06-20 |
JP3109838B2 (ja) | 2000-11-20 |
AU2937997A (en) | 1997-12-09 |
JPH11509868A (ja) | 1999-08-31 |
AR007039A1 (es) | 1999-10-13 |
KR20000015878A (ko) | 2000-03-15 |
ZA972966B (en) | 1997-11-21 |
IN191114B (US06373033-20020416-M00035.png) | 2003-09-20 |
CN1225081A (zh) | 1999-08-04 |
US5849982A (en) | 1998-12-15 |
TW450993B (en) | 2001-08-21 |
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