CN115073270A - 分离低碳多元醇-水混合物的连续共沸萃取精馏方法 - Google Patents
分离低碳多元醇-水混合物的连续共沸萃取精馏方法 Download PDFInfo
- Publication number
- CN115073270A CN115073270A CN202210513688.8A CN202210513688A CN115073270A CN 115073270 A CN115073270 A CN 115073270A CN 202210513688 A CN202210513688 A CN 202210513688A CN 115073270 A CN115073270 A CN 115073270A
- Authority
- CN
- China
- Prior art keywords
- tower
- ethanol
- water
- separation
- dehydration
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000000203 mixture Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000000605 extraction Methods 0.000 title claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000000463 material Substances 0.000 claims abstract description 51
- 238000000926 separation method Methods 0.000 claims abstract description 48
- 230000018044 dehydration Effects 0.000 claims abstract description 47
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 47
- 238000011084 recovery Methods 0.000 claims abstract description 37
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims abstract description 32
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract description 30
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010992 reflux Methods 0.000 claims description 29
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000000895 extractive distillation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001988 toxicity Effects 0.000 abstract description 2
- 231100000419 toxicity Toxicity 0.000 abstract description 2
- 239000012071 phase Substances 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001298 alcohols Chemical class 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
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000001760 fusel oil Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance 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
- C07C29/74—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
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
乙醇塔 | 水分% | 乙醇% | 丙醇% | 异丁% | 其它 |
塔顶采出 | 4.5 | 95.5 | 0 | 0 | 0 |
塔釜采出 | 34.45 | 0.008 | 33.11 | 32.32 | 0.112 |
脱水塔 | 水分% | 乙醇% | 丙醇% | 异丁% | 环己烷% | 其它 |
塔顶采出 | 8.8 | 0.048 | 10.05 | 0.022 | 81.08 | 0 |
塔釜采出 | 0.15 | 0 | 47.65 | 52.16 | 0 | 0.04 |
脱水塔回流罐 | 水分% | 乙醇% | 丙醇% | 异丁% | 环己烷% |
上层有机相 | 0.96 | 0 | 9.85 | 0.08 | 89.02 |
下层水相 | 96.05 | 0.005 | 3.94 | 0 | 0.0015 |
回收塔 | 水分% | 乙醇% | 丙醇% | 异丁% | 其它 |
塔顶采出 | 29.14 | 0.011 | 70.51 | 0.339 | 0 |
塔釜采出 | 100 | 0 | 0 | 0 | 0 |
分离塔 | 水分% | 乙醇% | 丙醇% | 异丁% | 其它 |
塔顶采出 | 0.03 | 0 | 99.8 | 0.02 | 0.15 |
塔釜采出 | 0.15 | 0 | 1.2 | 96.9 | 1.7 |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210513688.8A CN115073270B (zh) | 2022-05-12 | 2022-05-12 | 分离低碳多元醇-水混合物的连续共沸萃取精馏方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210513688.8A CN115073270B (zh) | 2022-05-12 | 2022-05-12 | 分离低碳多元醇-水混合物的连续共沸萃取精馏方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115073270A true CN115073270A (zh) | 2022-09-20 |
CN115073270B CN115073270B (zh) | 2024-04-02 |
Family
ID=83247618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210513688.8A Active CN115073270B (zh) | 2022-05-12 | 2022-05-12 | 分离低碳多元醇-水混合物的连续共沸萃取精馏方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115073270B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116041150A (zh) * | 2022-12-22 | 2023-05-02 | 厦门大学 | 一种双塔低碳混合醇的精准分离方法 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116314A (en) * | 1977-03-19 | 1978-10-11 | Mitsui Petrochem Ind Ltd | Separation of acetic acid and water |
US4874474A (en) * | 1987-04-02 | 1989-10-17 | Snamprogetti S.P.A. | Process for dehydrating a mixture of methanol and higher alcohols |
US5449440A (en) * | 1992-11-20 | 1995-09-12 | Snamprogetti S.P.A. | Process for separating alcohols from mixtures of alcohols, water and other compounds |
US5756866A (en) * | 1994-12-21 | 1998-05-26 | Agip Petroli S.P.A. | Process for obtaining separate streams of methanol and ethanol, n-propanol and isobutanol |
CN102633597A (zh) * | 2012-03-22 | 2012-08-15 | 河北工业大学 | 一种从多元醇-水混合物中回收乙醇、正丙醇和异丁醇的工艺 |
CN103044194A (zh) * | 2012-12-18 | 2013-04-17 | 沈阳化工大学 | 一种利用萃取精馏分离醇水混合物的方法 |
CN105669377A (zh) * | 2016-01-22 | 2016-06-15 | 北京凯文特科技有限公司 | 一种分离混合醇的工艺方法 |
CN106866375A (zh) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | 一种沸点接近的多元醇混合物的吸附分离方法 |
CN108129266A (zh) * | 2017-12-15 | 2018-06-08 | 天津凯赛特科技有限公司 | 一种分离高含水量低碳混合醇的工艺方法 |
CN109824480A (zh) * | 2019-02-27 | 2019-05-31 | 北控城市(北京)环境科技有限公司 | 一种分离提纯煤制油精馏残渣中乙醇的工艺方法 |
CN113214039A (zh) * | 2021-05-08 | 2021-08-06 | 青岛科技大学 | 一种分离三元复杂共沸混合物环己烷/正丙醇/水的萃取精馏工艺 |
-
2022
- 2022-05-12 CN CN202210513688.8A patent/CN115073270B/zh active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116314A (en) * | 1977-03-19 | 1978-10-11 | Mitsui Petrochem Ind Ltd | Separation of acetic acid and water |
US4874474A (en) * | 1987-04-02 | 1989-10-17 | Snamprogetti S.P.A. | Process for dehydrating a mixture of methanol and higher alcohols |
US5449440A (en) * | 1992-11-20 | 1995-09-12 | Snamprogetti S.P.A. | Process for separating alcohols from mixtures of alcohols, water and other compounds |
US5756866A (en) * | 1994-12-21 | 1998-05-26 | Agip Petroli S.P.A. | Process for obtaining separate streams of methanol and ethanol, n-propanol and isobutanol |
CN102633597A (zh) * | 2012-03-22 | 2012-08-15 | 河北工业大学 | 一种从多元醇-水混合物中回收乙醇、正丙醇和异丁醇的工艺 |
CN103044194A (zh) * | 2012-12-18 | 2013-04-17 | 沈阳化工大学 | 一种利用萃取精馏分离醇水混合物的方法 |
CN106866375A (zh) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | 一种沸点接近的多元醇混合物的吸附分离方法 |
CN105669377A (zh) * | 2016-01-22 | 2016-06-15 | 北京凯文特科技有限公司 | 一种分离混合醇的工艺方法 |
CN108129266A (zh) * | 2017-12-15 | 2018-06-08 | 天津凯赛特科技有限公司 | 一种分离高含水量低碳混合醇的工艺方法 |
CN109824480A (zh) * | 2019-02-27 | 2019-05-31 | 北控城市(北京)环境科技有限公司 | 一种分离提纯煤制油精馏残渣中乙醇的工艺方法 |
CN113214039A (zh) * | 2021-05-08 | 2021-08-06 | 青岛科技大学 | 一种分离三元复杂共沸混合物环己烷/正丙醇/水的萃取精馏工艺 |
Non-Patent Citations (1)
Title |
---|
李成帅等: "叔丁醇-乙醇-水混合溶液萃取分离工艺流程模拟与优化", 《石化技术与应用》, vol. 38, no. 2, pages 108 - 112 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116041150A (zh) * | 2022-12-22 | 2023-05-02 | 厦门大学 | 一种双塔低碳混合醇的精准分离方法 |
Also Published As
Publication number | Publication date |
---|---|
CN115073270B (zh) | 2024-04-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103772145B (zh) | 一种丙酮加氢制异丙醇的分离方法 | |
CN106966866B (zh) | 一种三塔变压精馏分离丁酮-异丙醇-乙醇共沸物的方法 | |
CN105254532B (zh) | 一种三塔变压精馏分离乙腈‑甲醇‑苯三元共沸物的方法 | |
CN104230657A (zh) | 新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 | |
CN107915612B (zh) | 一种由工业副产废液丙酮制备提纯的mibk的方法 | |
CN104447198B (zh) | 丙酮加氢制异丙醇分离工艺 | |
CN115073270A (zh) | 分离低碳多元醇-水混合物的连续共沸萃取精馏方法 | |
CN104447200A (zh) | 用于分离乙二醇和1,2-丁二醇的精馏方法 | |
CN116573701A (zh) | 一种hppo法制环氧丙烷工艺废水回收处理方法及装置 | |
CN105152860A (zh) | 一种精馏-渗透蒸发耦合工艺精制混合醇的方法 | |
CN203750202U (zh) | 一种从盐酸中回收氯化氢的装置 | |
CN105218305A (zh) | 一种合成气制乙二醇的副产品回收工艺 | |
CN105001055B (zh) | 基于混合溶剂作为萃取剂的异丙醇‑乙腈共沸物精馏分离方法 | |
CN100357250C (zh) | 乙酸乙酯脱水提纯的方法 | |
CN111518593B (zh) | 一种对煤间接液化过程副产物混醇进行初步分离的方法 | |
CN104119225A (zh) | 一种以混合离子液体为催化剂的反应精馏生产乙酸乙酯新工艺 | |
CN111170823B (zh) | 一种从焦油中同时提取酚和萘的方法 | |
CN107638709A (zh) | 醋酸和水的分离装置及其操作方法 | |
CN103772185B (zh) | 一种醋酸中水分及杂酸脱除的装置及方法 | |
CN107915615B (zh) | 由工业副产废液丙酮制备提纯的mibk的方法 | |
CN210855902U (zh) | 一种hppo法生产环氧丙烷副产物回收系统 | |
CN102992951B (zh) | 一种三塔精馏制备高纯度精甲醇的方法 | |
CN105061146A (zh) | 一种混合萃取剂分离异丙醇-乙腈共沸物的间歇精馏工艺 | |
CN105906477B (zh) | 一种连续共沸精馏分离甲苯-乙二醇混合物的方法 | |
CN106431880B (zh) | 新型变压精馏分离丙酮、异丙醚物系的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240814 Address after: No. 47, South First Ring Road, Yishui Economic Development Zone, Linyi City, Shandong Province, 276400 Patentee after: SHANDONG KUNDA BIOTECHNOLOGY CO.,LTD. Country or region after: China Patentee after: SHANDONG HONGDA BIOTECHNOLOGY Co.,Ltd. Patentee after: LINYI RUNDA WATER CO.,LTD. Address before: No. 47, South First Ring Road, Economic Development Zone, Yishui County, Linyi City, Shandong Province, 257000 Patentee before: SHANDONG KUNDA BIOTECHNOLOGY CO.,LTD. Country or region before: China Patentee before: SHANDONG HONGDA BIOTECHNOLOGY Co.,Ltd. |