CN105669379B - 一种醋酸乙酯加氢制备乙醇的工艺 - Google Patents
一种醋酸乙酯加氢制备乙醇的工艺 Download PDFInfo
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- CN105669379B CN105669379B CN201610216241.9A CN201610216241A CN105669379B CN 105669379 B CN105669379 B CN 105669379B CN 201610216241 A CN201610216241 A CN 201610216241A CN 105669379 B CN105669379 B CN 105669379B
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- Prior art keywords
- ethanol
- gas
- hydrogenation
- ethyl acetate
- reactor
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 174
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000001257 hydrogen Substances 0.000 claims abstract description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 31
- 230000008016 vaporization Effects 0.000 claims abstract description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000009834 vaporization Methods 0.000 claims abstract description 26
- 239000003054 catalyst Substances 0.000 claims abstract description 14
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 40
- 239000000047 product Substances 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 19
- 239000002994 raw material Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 239000012043 crude product Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000003786 synthesis reaction Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 230000002194 synthesizing effect Effects 0.000 claims description 5
- 239000010953 base metal Substances 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 238000007701 flash-distillation Methods 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000009903 catalytic hydrogenation reaction Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 235000011054 acetic acid Nutrition 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 30
- 230000000694 effects Effects 0.000 description 9
- 230000032050 esterification Effects 0.000 description 6
- 238000005886 esterification reaction Methods 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 230000036571 hydration Effects 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000003317 industrial substance Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- JECYNCQXXKQDJN-UHFFFAOYSA-N 2-(2-methylhexan-2-yloxymethyl)oxirane Chemical compound CCCCC(C)(C)OCC1CO1 JECYNCQXXKQDJN-UHFFFAOYSA-N 0.000 description 1
- 206010011906 Death Diseases 0.000 description 1
- -1 Dichlorodiphenyl Acetate Chemical compound 0.000 description 1
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 1
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 240000006394 Sorghum bicolor Species 0.000 description 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010533 azeotropic distillation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002168 ethanoic acid esters Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610216241.9A CN105669379B (zh) | 2016-04-08 | 2016-04-08 | 一种醋酸乙酯加氢制备乙醇的工艺 |
Applications Claiming Priority (1)
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CN201610216241.9A CN105669379B (zh) | 2016-04-08 | 2016-04-08 | 一种醋酸乙酯加氢制备乙醇的工艺 |
Publications (2)
Publication Number | Publication Date |
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CN105669379A CN105669379A (zh) | 2016-06-15 |
CN105669379B true CN105669379B (zh) | 2018-02-23 |
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CN201610216241.9A Active CN105669379B (zh) | 2016-04-08 | 2016-04-08 | 一种醋酸乙酯加氢制备乙醇的工艺 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109422623A (zh) * | 2017-08-20 | 2019-03-05 | 杭州林达化工技术工程有限公司 | 一种节能型醋酸加氢或醋酸乙酯加氢制乙醇的生产工艺及其装置 |
CN107573214A (zh) * | 2017-09-18 | 2018-01-12 | 唐山中溶科技有限公司 | 用甲醇制备乙醇的方法 |
CN110128242B (zh) * | 2018-02-09 | 2022-07-26 | 国家能源投资集团有限责任公司 | 制备乙醇的方法 |
CN109265315B (zh) * | 2018-08-29 | 2021-09-07 | 江苏德邦工程有限公司 | 一种新型乙酸乙酯加氢制乙醇工艺方法 |
CN113461485B (zh) * | 2021-06-18 | 2023-08-22 | 国家能源投资集团有限责任公司 | 加氢原料加氢制备粗乙醇的系统、方法及应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012149164A1 (en) * | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for controlling a reboiler during alcohol recovery and reduced ester formation |
CN102766021A (zh) * | 2012-07-24 | 2012-11-07 | 唐山市冀东溶剂有限公司 | 乙酸乙酯加氢连续生产乙醇的生产系统以及生产方法 |
EP2531475A2 (en) * | 2010-02-02 | 2012-12-12 | Celanese International Corporation | Process for purifying ethanol |
CN102942446A (zh) * | 2012-12-03 | 2013-02-27 | 大唐国际化工技术研究院有限公司 | 一种回收氢再循环的醋酸酯加氢制乙醇的方法 |
CN103373899A (zh) * | 2012-04-27 | 2013-10-30 | 上海浦景化工技术有限公司 | 一种醋酸或醋酸酯催化加氢反应制乙醇的装置及方法 |
CN105566063A (zh) * | 2014-10-14 | 2016-05-11 | 中国石油化工股份有限公司 | 一种制备乙醇的方法 |
-
2016
- 2016-04-08 CN CN201610216241.9A patent/CN105669379B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2531475A2 (en) * | 2010-02-02 | 2012-12-12 | Celanese International Corporation | Process for purifying ethanol |
WO2012149164A1 (en) * | 2011-04-26 | 2012-11-01 | Celanese International Corporation | Process for controlling a reboiler during alcohol recovery and reduced ester formation |
CN103373899A (zh) * | 2012-04-27 | 2013-10-30 | 上海浦景化工技术有限公司 | 一种醋酸或醋酸酯催化加氢反应制乙醇的装置及方法 |
CN102766021A (zh) * | 2012-07-24 | 2012-11-07 | 唐山市冀东溶剂有限公司 | 乙酸乙酯加氢连续生产乙醇的生产系统以及生产方法 |
CN102942446A (zh) * | 2012-12-03 | 2013-02-27 | 大唐国际化工技术研究院有限公司 | 一种回收氢再循环的醋酸酯加氢制乙醇的方法 |
CN105566063A (zh) * | 2014-10-14 | 2016-05-11 | 中国石油化工股份有限公司 | 一种制备乙醇的方法 |
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Address after: 463800 south side of Xingye Road East, Shangcai, Zhumadian, Henan Patentee after: HENAN SHUNDA NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 463800 south side of Xingye Road East, Shangcai, Zhumadian, Henan Patentee before: Henan Shunda new energy Co.,Ltd. |
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Address after: 463800 south side of Xingye Road East, Shangcai, Zhumadian, Henan Patentee after: Henan Shunda new energy Co.,Ltd. Address before: 463000 439 Zhonghua Road, Yicheng District, Zhumadian, Henan Patentee before: HENAN SHUNDA CHEMICAL SCIENCE & TECHNOLOGY CO.,LTD. |
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