CN114478193A - 二甲醚制乙醇的分离方法以及分离装置 - Google Patents
二甲醚制乙醇的分离方法以及分离装置 Download PDFInfo
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- CN114478193A CN114478193A CN202210013961.0A CN202210013961A CN114478193A CN 114478193 A CN114478193 A CN 114478193A CN 202210013961 A CN202210013961 A CN 202210013961A CN 114478193 A CN114478193 A CN 114478193A
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- 238000000926 separation method Methods 0.000 title claims abstract description 198
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 548
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 159
- 239000000463 material Substances 0.000 claims description 136
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- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 55
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- 238000001179 sorption measurement Methods 0.000 claims description 26
- 239000002808 molecular sieve Substances 0.000 claims description 25
- 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 24
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004821 distillation Methods 0.000 claims description 9
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 7
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 13
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- 238000010992 reflux Methods 0.000 description 25
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 3
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- 239000000661 sodium alginate Substances 0.000 description 3
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 3
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- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
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- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 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
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
塔名称 | 脱气塔 | 预分离塔 | 乙醇塔 | 甲醇回收塔 | |
塔热负荷 | MKCAL/HR | 2.86 | 28.30 | 19.46 | 8.86 |
外部供热负荷 | 2.86 | 28.30 | 0 | 0 | |
回流比 | 3.55 | 2.97 | 13.31 | 7.00 | |
塔操作压力 | KPA | 300 | 180 | 40 | 50 |
塔名称 | 脱气塔 | 预分离塔 | 乙醇塔 | 乙醇回收塔 | 甲醇回收塔 | |
塔热负荷 | MKCAL/HR | 2.78 | 32.37 | 20.16 | 0.59 | 12.69 |
外部供热负荷 | 2.78 | 32.37 | 0 | 0.59 | 0 | |
回流比 | 3.55 | 2.73 | 10.61 | 2.00 | 7.00 | |
塔操作压力 | KPA | 300 | 260 | 110 | 200 | 110 |
Claims (16)
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104649862A (zh) * | 2015-02-05 | 2015-05-27 | 天津大学 | 以醋酸乙酯为原料生产乙醇产品的方法及装备 |
CN105037094A (zh) * | 2015-08-05 | 2015-11-11 | 安徽皖维高新材料股份有限公司 | 一种醋酸酯加氢制乙醇的能量耦合精馏方法 |
CN105367385A (zh) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | 醋酸甲酯加氢制乙醇并联产甲醇的分离方法 |
CN105439819A (zh) * | 2014-08-27 | 2016-03-30 | 中国石油化工股份有限公司 | 醋酸甲酯加氢制乙醇的分离方法 |
CN105837404A (zh) * | 2010-02-02 | 2016-08-10 | 国际人造丝公司 | 纯化乙醇的方法 |
CN106187692A (zh) * | 2015-04-29 | 2016-12-07 | 中国石油化工股份有限公司 | 一种含有乙醇和醋酸乙酯的混合溶剂 |
CN111253213A (zh) * | 2018-11-30 | 2020-06-09 | 惠生工程(中国)有限公司 | 一种醋酸酯加氢制乙醇的工艺方法及*** |
CN111377800A (zh) * | 2020-03-16 | 2020-07-07 | 中国科学院过程工程研究所 | 一种煤制乙醇液相产物的分离装置和分离方法 |
CN111423308A (zh) * | 2019-01-10 | 2020-07-17 | 惠生工程(中国)有限公司 | 一种醋酸甲酯加氢制乙醇的产物分离***及分离方法 |
CN111659150A (zh) * | 2020-06-18 | 2020-09-15 | 东华工程科技股份有限公司 | 一种利用间壁塔精制低碳醇的装置及方法 |
CN111675601A (zh) * | 2020-05-09 | 2020-09-18 | 雅邦绿色过程与新材料研究院南京有限公司 | 一种工业乙醇分离提纯的新工艺及装置 |
CN212662737U (zh) * | 2020-05-09 | 2021-03-09 | 雅邦绿色过程与新材料研究院南京有限公司 | 一种高效提纯无水乙醇的隔壁精馏装置 |
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2022
- 2022-01-06 CN CN202210013961.0A patent/CN114478193B/zh active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105837404A (zh) * | 2010-02-02 | 2016-08-10 | 国际人造丝公司 | 纯化乙醇的方法 |
CN105367385A (zh) * | 2014-08-27 | 2016-03-02 | 中国石油化工股份有限公司 | 醋酸甲酯加氢制乙醇并联产甲醇的分离方法 |
CN105439819A (zh) * | 2014-08-27 | 2016-03-30 | 中国石油化工股份有限公司 | 醋酸甲酯加氢制乙醇的分离方法 |
CN104649862A (zh) * | 2015-02-05 | 2015-05-27 | 天津大学 | 以醋酸乙酯为原料生产乙醇产品的方法及装备 |
CN106187692A (zh) * | 2015-04-29 | 2016-12-07 | 中国石油化工股份有限公司 | 一种含有乙醇和醋酸乙酯的混合溶剂 |
CN105037094A (zh) * | 2015-08-05 | 2015-11-11 | 安徽皖维高新材料股份有限公司 | 一种醋酸酯加氢制乙醇的能量耦合精馏方法 |
CN111253213A (zh) * | 2018-11-30 | 2020-06-09 | 惠生工程(中国)有限公司 | 一种醋酸酯加氢制乙醇的工艺方法及*** |
CN111423308A (zh) * | 2019-01-10 | 2020-07-17 | 惠生工程(中国)有限公司 | 一种醋酸甲酯加氢制乙醇的产物分离***及分离方法 |
CN111377800A (zh) * | 2020-03-16 | 2020-07-07 | 中国科学院过程工程研究所 | 一种煤制乙醇液相产物的分离装置和分离方法 |
CN111675601A (zh) * | 2020-05-09 | 2020-09-18 | 雅邦绿色过程与新材料研究院南京有限公司 | 一种工业乙醇分离提纯的新工艺及装置 |
CN212662737U (zh) * | 2020-05-09 | 2021-03-09 | 雅邦绿色过程与新材料研究院南京有限公司 | 一种高效提纯无水乙醇的隔壁精馏装置 |
CN111659150A (zh) * | 2020-06-18 | 2020-09-15 | 东华工程科技股份有限公司 | 一种利用间壁塔精制低碳醇的装置及方法 |
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