CN105906471B - 一种连续共沸精馏分离间二甲苯-乙二醇混合物的方法 - Google Patents
一种连续共沸精馏分离间二甲苯-乙二醇混合物的方法 Download PDFInfo
- Publication number
- CN105906471B CN105906471B CN201610346563.5A CN201610346563A CN105906471B CN 105906471 B CN105906471 B CN 105906471B CN 201610346563 A CN201610346563 A CN 201610346563A CN 105906471 B CN105906471 B CN 105906471B
- Authority
- CN
- China
- Prior art keywords
- tower
- xylene
- meta
- ethylene glycol
- entrainer
- 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.)
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Substances OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010533 azeotropic distillation Methods 0.000 title claims abstract description 16
- 238000000926 separation method Methods 0.000 title claims abstract description 14
- 239000000203 mixture Substances 0.000 title claims abstract description 12
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000005191 phase separation Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- -1 that is Polymers 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- QEFTWMXFPHZTRA-UHFFFAOYSA-N benzene;ethane-1,2-diol Chemical compound OCCO.C1=CC=CC=C1 QEFTWMXFPHZTRA-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- DQYBDCGIPTYXML-UHFFFAOYSA-N ethoxyethane;hydrate Chemical compound O.CCOCC DQYBDCGIPTYXML-UHFFFAOYSA-N 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/06—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by azeotropic 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
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CN201610346563.5A CN105906471B (zh) | 2016-05-24 | 2016-05-24 | 一种连续共沸精馏分离间二甲苯-乙二醇混合物的方法 |
Applications Claiming Priority (1)
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CN201610346563.5A CN105906471B (zh) | 2016-05-24 | 2016-05-24 | 一种连续共沸精馏分离间二甲苯-乙二醇混合物的方法 |
Publications (2)
Publication Number | Publication Date |
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CN105906471A CN105906471A (zh) | 2016-08-31 |
CN105906471B true CN105906471B (zh) | 2018-11-09 |
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CN201610346563.5A Active CN105906471B (zh) | 2016-05-24 | 2016-05-24 | 一种连续共沸精馏分离间二甲苯-乙二醇混合物的方法 |
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CN (1) | CN105906471B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112778087A (zh) * | 2021-01-14 | 2021-05-11 | 山东科技大学 | 一种连续萃取精馏分离甲醇-甲苯共沸物的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EG17986A (en) * | 1985-08-09 | 1991-08-30 | Lilly Co Eli | Synthesis of tricyclazole |
CN1017434B (zh) * | 1989-11-06 | 1992-07-15 | 肖藻生 | 积二膦酸酯的合成方法和应用 |
JP3805109B2 (ja) * | 1998-07-15 | 2006-08-02 | 日本リファイン株式会社 | メチルエチルケトン、グリコールエーテルおよび水よりなる混合溶液の共沸蒸留法およびそれを用いたメチルエチルケトンとグリコールエーテルの回収方法 |
CN104313789B (zh) * | 2014-03-24 | 2018-08-17 | 长春工业大学 | 一种增强电纺丝膜机械性能的方法 |
CN104326477B (zh) * | 2014-10-10 | 2016-06-01 | 东莞市长安东阳光铝业研发有限公司 | 一种电容器用超高纯硅溶胶的制备方法 |
CN105130755A (zh) * | 2015-07-24 | 2015-12-09 | 常州大学 | 一种分离新戊二醇和乙二醇混合物的方法 |
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- 2016-05-24 CN CN201610346563.5A patent/CN105906471B/zh active Active
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Effective date of registration: 20210528 Address after: 272000 middle section of Wanda West Road, coatings industrial park, Yangying Town, Liangshan County, Jining City, Shandong Province Patentee after: Tongchuang chemical (Shandong) Co.,Ltd. Address before: College of chemistry and chemical engineering, Jinan University, no.336, nanxinzhuang West Road, Shizhong District, Jinan City, Shandong Province, 250022 Patentee before: University of Jinan |
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Denomination of invention: A method for continuous azeotropic distillation separation of xylene ethylene glycol mixture Effective date of registration: 20231221 Granted publication date: 20181109 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Pledgor: Tongchuang chemical (Shandong) Co.,Ltd. Registration number: Y2023980073157 |
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