CN104230657B - 新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 - Google Patents
新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 Download PDFInfo
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- CN104230657B CN104230657B CN201410472905.9A CN201410472905A CN104230657B CN 104230657 B CN104230657 B CN 104230657B CN 201410472905 A CN201410472905 A CN 201410472905A CN 104230657 B CN104230657 B CN 104230657B
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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
- C07C29/84—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by extractive distillation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/40—Extractive distillation
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/48—Preparation of compounds having groups
- C07C41/58—Separation; Purification; Stabilisation; Use of additives
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
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CN201410472905.9A CN104230657B (zh) | 2014-09-16 | 2014-09-16 | 新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 |
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CN201410472905.9A CN104230657B (zh) | 2014-09-16 | 2014-09-16 | 新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 |
Publications (2)
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CN104230657A CN104230657A (zh) | 2014-12-24 |
CN104230657B true CN104230657B (zh) | 2017-09-29 |
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CN201410472905.9A Active CN104230657B (zh) | 2014-09-16 | 2014-09-16 | 新型节能式三塔连续萃取精馏工艺及其萃取精馏系统 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6711029B2 (ja) * | 2015-03-25 | 2020-06-17 | 三菱ケミカル株式会社 | α−オレフィン低重合体の製造方法 |
CN105968028B (zh) * | 2016-05-06 | 2018-02-06 | 新乡瑞诚科技股份有限公司 | 一种乙腈连续负压蒸馏萃取工艺 |
CN108237136B (zh) * | 2017-12-30 | 2023-08-15 | 山东恒力新能源工程有限公司 | 三级逆流萃取煤焦油渣装置及其处理方法 |
CN108659042B (zh) * | 2018-06-22 | 2020-08-04 | 河北威远生物化工有限公司 | 一种烷基二氯化膦的萃取分离方法及萃取精馏设备 |
CN110577465A (zh) * | 2019-09-17 | 2019-12-17 | 无锡赫利邦化工科技有限公司 | 一种生产无水甲缩醛的分离工艺 |
CN110903167B (zh) * | 2019-10-28 | 2022-11-25 | 重庆大学 | 一种热集成三塔减压萃取精馏分离乙腈-甲醇-水混合物的方法 |
CN111635425B (zh) * | 2020-07-07 | 2022-12-20 | 山东中盛药化设备有限公司 | 一种用于分离甲苯和硅醚的方法及系统 |
CN112851550B (zh) * | 2021-01-20 | 2023-02-21 | 山东亿盛实业股份有限公司 | 一种连续萃取分离乙腈水共沸物的方法及其设备 |
CN113321597B (zh) * | 2021-06-24 | 2023-04-07 | 索闻特环保科技(上海)有限公司 | 含有异丙醇、乙腈、三乙胺和水的混合液的处理方法 |
CN115845421B (zh) * | 2022-12-19 | 2023-06-30 | 滨州黄海科学技术研究院有限公司 | 一种连续化分离全氟己酮的系统及方法 |
Family Cites Families (5)
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US5059288A (en) * | 1989-11-21 | 1991-10-22 | Harborchem | Recovery of isopropyl acetate and ethanol from an isopropyl acetate, ethanol and water-containing stream |
FR2683523B1 (fr) * | 1991-11-12 | 1994-02-11 | Institut Francais Petrole | Procede de separation d'ethyl tertiobutyl ether et d'ethanol. |
CN101250079A (zh) * | 2008-03-28 | 2008-08-27 | 天津大学 | 粗苯精制的换热网络装置及操作方法 |
CN102058993B (zh) * | 2010-12-01 | 2013-02-27 | 天津凯赛特科技有限公司 | 焦化纯苯或含硫纯苯的萃取精馏系统及其精制方法 |
CN102992930B (zh) * | 2012-12-15 | 2014-12-31 | 福州大学 | α-乙酰基-γ-丁内酯生产过程中甲苯溶剂的回收工艺及其分离设备 |
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Inventor after: Li Zhe Inventor after: Li Xiangdong Inventor after: Gao Xiulei Inventor before: Li Zhe Inventor before: Shi Enshan Inventor before: Zhang Haocui Inventor before: Liu Laichen |
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