CN102206145B - 一种二乙氧基甲烷的连续催化精馏合成工艺 - Google Patents
一种二乙氧基甲烷的连续催化精馏合成工艺 Download PDFInfo
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- CN102206145B CN102206145B CN201010140361.8A CN201010140361A CN102206145B CN 102206145 B CN102206145 B CN 102206145B CN 201010140361 A CN201010140361 A CN 201010140361A CN 102206145 B CN102206145 B CN 102206145B
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- China
- Prior art keywords
- rectifying column
- formaldehyde
- tower
- catalytic rectifying
- diethyl ether
- 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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- 238000005516 engineering process Methods 0.000 title abstract description 6
- 238000006555 catalytic reaction Methods 0.000 title abstract 3
- KLKFAASOGCDTDT-UHFFFAOYSA-N ethoxymethoxyethane Chemical compound CCOCOCC KLKFAASOGCDTDT-UHFFFAOYSA-N 0.000 title abstract 3
- 230000002194 synthesizing effect Effects 0.000 title abstract 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 144
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 239000002351 wastewater Substances 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 7
- 239000011973 solid acid Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Natural products CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 110
- 230000003197 catalytic effect Effects 0.000 claims description 75
- -1 methylene diethyl Chemical group 0.000 claims description 55
- 238000000605 extraction Methods 0.000 claims description 48
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 36
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 26
- 238000003786 synthesis reaction Methods 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 3
- GTTSNKDQDACYLV-UHFFFAOYSA-N Trihydroxybutane Chemical compound CCCC(O)(O)O GTTSNKDQDACYLV-UHFFFAOYSA-N 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 2
- LSNXEANQILECTB-UHFFFAOYSA-N formaldehyde;methane Chemical compound C.O=C LSNXEANQILECTB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000047 product Substances 0.000 description 25
- 238000000926 separation method Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000066 reactive distillation Methods 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- WIIZWVCIJKGZOK-RKDXNWHRSA-N chloramphenicol Chemical compound ClC(Cl)C(=O)N[C@H](CO)[C@H](O)C1=CC=C([N+]([O-])=O)C=C1 WIIZWVCIJKGZOK-RKDXNWHRSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229940049547 paraxin Drugs 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
Images
Classifications
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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
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010140361.8A CN102206145B (zh) | 2010-03-31 | 2010-03-31 | 一种二乙氧基甲烷的连续催化精馏合成工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201010140361.8A CN102206145B (zh) | 2010-03-31 | 2010-03-31 | 一种二乙氧基甲烷的连续催化精馏合成工艺 |
Publications (2)
Publication Number | Publication Date |
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CN102206145A CN102206145A (zh) | 2011-10-05 |
CN102206145B true CN102206145B (zh) | 2014-04-23 |
Family
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Family Applications (1)
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CN201010140361.8A Expired - Fee Related CN102206145B (zh) | 2010-03-31 | 2010-03-31 | 一种二乙氧基甲烷的连续催化精馏合成工艺 |
Country Status (1)
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CN (1) | CN102206145B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103965029B (zh) * | 2013-01-30 | 2015-06-24 | 李云勇 | 二丁氧基甲烷、二乙氧基甲烷、二丙氧基甲烷或二戊氧基甲烷的生产方法 |
CN103739462B (zh) * | 2013-12-31 | 2016-03-23 | 贵州黔晟新能源实业有限公司 | 一种二乙氧基甲烷的制备方法 |
CN106866388A (zh) * | 2017-01-12 | 2017-06-20 | 中国科学院兰州化学物理研究所 | 一种离子液体催化合成二乙氧基甲烷的方法 |
CN108047006B (zh) * | 2017-12-29 | 2021-05-14 | 南京师范大学 | 一种制备二乙氧基甲烷的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1091732A (zh) * | 1993-03-02 | 1994-09-07 | 陈天度 | 二乙氧基甲烷的精制方法及产品用途 |
US5959156A (en) * | 1998-11-12 | 1999-09-28 | Bp Amoco Corporation | Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of dimethyl ether |
US20040000473A1 (en) * | 2002-06-20 | 2004-01-01 | Willi Hofen | Process of separating 1-methoxy-2-propanol and 2-methoxy-1-propanol from aqueous compositions |
CN1226261C (zh) * | 2002-06-21 | 2005-11-09 | 南京师范大学 | 二乙氧基甲烷与乙醇水溶液的液液萃取方法 |
US7534922B2 (en) * | 2004-12-13 | 2009-05-19 | Ticona Gmbh | Processes for the manufacture of acetals |
CN1721024A (zh) * | 2005-05-26 | 2006-01-18 | 南京工业大学 | 加盐复合萃取精馏分离二乙氧基甲烷-乙醇-水混合液的方法 |
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2010
- 2010-03-31 CN CN201010140361.8A patent/CN102206145B/zh not_active Expired - Fee Related
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Effective date of registration: 20170301 Address after: 437217 Jiayu County, Xianning Province Pan Pan Lake Industrial Park Patentee after: WUHAN CHUNLING TECHNOLOGY CO.,LTD. Address before: 430062 College of chemistry and chemical engineering, Hubei University, Wuchang, Hubei, Xueyuan Road, China,, 11, D102 Patentee before: Dongguan Topship Chemical Co.,Ltd. |
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Effective date of registration: 20190715 Address after: 050000 Zhaoxian Biological Industrial Park, Shijiazhuang City, Hebei Province Patentee after: Shijiazhuang Yikefa Chemical Technology Co.,Ltd. Address before: 437217 Jiayu County, Xianning Province Pan Pan Lake Industrial Park Patentee before: WUHAN CHUNLING TECHNOLOGY CO.,LTD. |
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