CN112745208A - 一种环己酮回收分离工艺及系统 - Google Patents
一种环己酮回收分离工艺及系统 Download PDFInfo
- Publication number
- CN112745208A CN112745208A CN201911047310.8A CN201911047310A CN112745208A CN 112745208 A CN112745208 A CN 112745208A CN 201911047310 A CN201911047310 A CN 201911047310A CN 112745208 A CN112745208 A CN 112745208A
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- Prior art keywords
- tower
- cyclohexanone
- cyclohexanol
- recovery
- light component
- Prior art date
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- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 title claims abstract description 410
- 238000011084 recovery Methods 0.000 title claims abstract description 79
- 238000000926 separation method Methods 0.000 title claims abstract description 20
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000000034 method Methods 0.000 claims abstract description 59
- 239000007791 liquid phase Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 27
- 125000002243 cyclohexanonyl group Chemical group *C1(*)C(=O)C(*)(*)C(*)(*)C(*)(*)C1(*)* 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 230000007062 hydrolysis Effects 0.000 claims abstract description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 30
- 239000002994 raw material Substances 0.000 claims description 16
- 239000012071 phase Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000010992 reflux Methods 0.000 claims description 11
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000000047 product Substances 0.000 description 13
- 239000000945 filler Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000007670 refining Methods 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- -1 cyclohexanol ester Chemical class 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- FGGJBCRKSVGDPO-UHFFFAOYSA-N hydroperoxycyclohexane Chemical compound OOC1CCCCC1 FGGJBCRKSVGDPO-UHFFFAOYSA-N 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 238000005899 aromatization reaction Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (16)
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CN201911047310.8A CN112745208B (zh) | 2019-10-30 | 2019-10-30 | 一种环己酮回收分离工艺及系统 |
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CN112745208A true CN112745208A (zh) | 2021-05-04 |
CN112745208B CN112745208B (zh) | 2022-09-09 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113461500A (zh) * | 2021-08-19 | 2021-10-01 | 中国天辰工程有限公司 | 一种环己醇脱氢精制环己酮的装置 |
CN114763318A (zh) * | 2021-01-13 | 2022-07-19 | 中国石油化工股份有限公司 | 一种酯化加氢法得到的粗环己醇制备环己酮的方法及装置 |
CN115382233A (zh) * | 2021-05-25 | 2022-11-25 | 山东洪达化工有限公司 | 一种环己酮的精馏装置和方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080064902A1 (en) * | 2004-12-07 | 2008-03-13 | Rhodia Chimie | Method for the Production of Cyclohexanone |
CN105237370A (zh) * | 2015-10-15 | 2016-01-13 | 李国涛 | 一种环己醇脱氢生产环己酮的工艺方法 |
CN106083544A (zh) * | 2016-06-02 | 2016-11-09 | 中国化学赛鼎宁波工程有限公司 | 环己酮精制及环己醇回收利用方法和系统 |
CN106943764A (zh) * | 2017-04-18 | 2017-07-14 | 长沙兴和新材料有限公司 | 一种环己酮的精馏装置及方法 |
-
2019
- 2019-10-30 CN CN201911047310.8A patent/CN112745208B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080064902A1 (en) * | 2004-12-07 | 2008-03-13 | Rhodia Chimie | Method for the Production of Cyclohexanone |
CN105237370A (zh) * | 2015-10-15 | 2016-01-13 | 李国涛 | 一种环己醇脱氢生产环己酮的工艺方法 |
CN106083544A (zh) * | 2016-06-02 | 2016-11-09 | 中国化学赛鼎宁波工程有限公司 | 环己酮精制及环己醇回收利用方法和系统 |
CN106943764A (zh) * | 2017-04-18 | 2017-07-14 | 长沙兴和新材料有限公司 | 一种环己酮的精馏装置及方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114763318A (zh) * | 2021-01-13 | 2022-07-19 | 中国石油化工股份有限公司 | 一种酯化加氢法得到的粗环己醇制备环己酮的方法及装置 |
CN114763318B (zh) * | 2021-01-13 | 2023-12-29 | 中国石油化工股份有限公司 | 一种酯化加氢法得到的粗环己醇制备环己酮的方法及装置 |
CN115382233A (zh) * | 2021-05-25 | 2022-11-25 | 山东洪达化工有限公司 | 一种环己酮的精馏装置和方法 |
CN113461500A (zh) * | 2021-08-19 | 2021-10-01 | 中国天辰工程有限公司 | 一种环己醇脱氢精制环己酮的装置 |
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Effective date of registration: 20231031 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |