CN114716293B - 一种增产对二甲苯的工艺系统和工艺方法 - Google Patents
一种增产对二甲苯的工艺系统和工艺方法 Download PDFInfo
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- CN114716293B CN114716293B CN202011526637.6A CN202011526637A CN114716293B CN 114716293 B CN114716293 B CN 114716293B CN 202011526637 A CN202011526637 A CN 202011526637A CN 114716293 B CN114716293 B CN 114716293B
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- xylene
- aromatic hydrocarbon
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- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title claims abstract description 199
- 238000000034 method Methods 0.000 title claims abstract description 57
- 230000008569 process Effects 0.000 title claims abstract description 48
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 163
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 135
- 238000000926 separation method Methods 0.000 claims abstract description 85
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000008096 xylene Substances 0.000 claims abstract description 57
- 238000007323 disproportionation reaction Methods 0.000 claims abstract description 56
- 238000005804 alkylation reaction Methods 0.000 claims abstract description 53
- 230000029936 alkylation Effects 0.000 claims abstract description 46
- 238000006317 isomerization reaction Methods 0.000 claims abstract description 45
- 239000000047 product Substances 0.000 claims abstract description 37
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 34
- 239000012528 membrane Substances 0.000 claims abstract description 33
- 238000002425 crystallisation Methods 0.000 claims abstract description 32
- 230000008025 crystallization Effects 0.000 claims abstract description 31
- 238000010555 transalkylation reaction Methods 0.000 claims abstract description 31
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 125000003118 aryl group Chemical group 0.000 claims abstract description 21
- 238000005194 fractionation Methods 0.000 claims abstract description 17
- 239000000376 reactant Substances 0.000 claims abstract description 15
- 238000000746 purification Methods 0.000 claims abstract description 12
- 150000001336 alkenes Chemical class 0.000 claims abstract description 8
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 91
- 239000000463 material Substances 0.000 claims description 82
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 75
- 239000007789 gas Substances 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 21
- 239000002808 molecular sieve Substances 0.000 claims description 19
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 19
- 238000010926 purge Methods 0.000 claims description 16
- 238000011084 recovery Methods 0.000 claims description 16
- 239000002994 raw material Substances 0.000 claims description 15
- 239000012071 phase Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 229910021536 Zeolite Inorganic materials 0.000 claims description 8
- 239000010457 zeolite Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000007791 liquid phase Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 4
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 4
- 229910052680 mordenite Inorganic materials 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- -1 rhenium metals Chemical class 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims 4
- 229940100198 alkylating agent Drugs 0.000 claims 1
- 239000002168 alkylating agent Substances 0.000 claims 1
- 230000002152 alkylating effect Effects 0.000 claims 1
- 230000004936 stimulating effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 10
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- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 abstract description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000001179 sorption measurement Methods 0.000 description 10
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical class CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 4
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical class CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006276 transfer reaction Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/86—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon
- C07C2/862—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms
- C07C2/864—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation between a hydrocarbon and a non-hydrocarbon the non-hydrocarbon contains only oxygen as hetero-atoms the non-hydrocarbon is an alcohol
-
- 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
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2767—Changing the number of side-chains
- C07C5/277—Catalytic processes
- C07C5/2791—Catalytic processes with metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C6/00—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions
- C07C6/08—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond
- C07C6/12—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring
- C07C6/126—Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions by conversion at a saturated carbon-to-carbon bond of exclusively hydrocarbons containing a six-membered aromatic ring of more than one hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
- C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110546124A (zh) * | 2017-04-19 | 2019-12-06 | 环球油品有限责任公司 | 用于改善芳烃联合装置中的对二甲苯收率的方法和设备 |
CN110937972A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 对二甲苯的生产装置及工艺 |
CN110937969A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 生产对二甲苯的装置及工艺 |
CN110937968A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 一种生产芳烃产品的装置及工艺 |
CN110937973A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 一种生产对二甲苯的装置及工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101830772B (zh) * | 2009-03-09 | 2013-03-06 | 中国石油化工股份有限公司 | 对二甲苯生产的组合方法 |
US10696609B2 (en) * | 2018-10-15 | 2020-06-30 | Saudi Arabian Oil Company | Integrated process for maximizing production of para-xylene from full reformate |
US10894755B2 (en) * | 2018-10-15 | 2021-01-19 | Saudi Arabian Oil Company | Integrated process for optimum production of para-xylene |
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2020
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110546124A (zh) * | 2017-04-19 | 2019-12-06 | 环球油品有限责任公司 | 用于改善芳烃联合装置中的对二甲苯收率的方法和设备 |
CN110937972A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 对二甲苯的生产装置及工艺 |
CN110937969A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 生产对二甲苯的装置及工艺 |
CN110937968A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 一种生产芳烃产品的装置及工艺 |
CN110937973A (zh) * | 2018-09-25 | 2020-03-31 | 中国石油化工股份有限公司 | 一种生产对二甲苯的装置及工艺 |
Non-Patent Citations (1)
Title |
---|
对二甲苯增产技术发展趋向;陈庆龄 等;石油化工;20041020;第33卷(第10期);第909-915页 * |
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Effective date of registration: 20240102 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Applicant after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Applicant before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
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