CN100400500C - 从碳酸二甲酯及甲醇和水中分离碳酸二甲酯的工艺 - Google Patents
从碳酸二甲酯及甲醇和水中分离碳酸二甲酯的工艺 Download PDFInfo
- Publication number
- CN100400500C CN100400500C CNB2004100402862A CN200410040286A CN100400500C CN 100400500 C CN100400500 C CN 100400500C CN B2004100402862 A CNB2004100402862 A CN B2004100402862A CN 200410040286 A CN200410040286 A CN 200410040286A CN 100400500 C CN100400500 C CN 100400500C
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- China
- Prior art keywords
- water
- methylcarbonate
- solvent
- alcohol
- dimethyl carbonate
- 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.)
- Expired - Lifetime
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims description 35
- 239000002904 solvent Substances 0.000 claims abstract description 30
- 238000004821 distillation Methods 0.000 claims abstract description 21
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000000638 solvent extraction Methods 0.000 claims abstract description 14
- 239000012454 non-polar solvent Substances 0.000 claims abstract description 7
- 238000000622 liquid--liquid extraction Methods 0.000 claims abstract description 6
- CXHHBNMLPJOKQD-UHFFFAOYSA-M methyl carbonate Chemical compound COC([O-])=O CXHHBNMLPJOKQD-UHFFFAOYSA-M 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 230000000153 supplemental effect Effects 0.000 claims description 2
- 238000010977 unit operation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 28
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000012071 phase Substances 0.000 description 20
- 239000002994 raw material Substances 0.000 description 14
- 238000000895 extractive distillation Methods 0.000 description 13
- 239000003125 aqueous solvent Substances 0.000 description 12
- 241000282326 Felis catus Species 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 5
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 238000010533 azeotropic distillation Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 125000005911 methyl carbonate group Chemical class 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical group CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 1
- UCVQOIPQDBZRMG-UHFFFAOYSA-N [C].COC(C=1C(C(=O)OC)=CC=CC1)=O Chemical compound [C].COC(C=1C(C(=O)OC)=CC=CC1)=O UCVQOIPQDBZRMG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000005910 alkyl carbonate group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100402862A CN100400500C (zh) | 2004-07-23 | 2004-07-23 | 从碳酸二甲酯及甲醇和水中分离碳酸二甲酯的工艺 |
Applications Claiming Priority (1)
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CNB2004100402862A CN100400500C (zh) | 2004-07-23 | 2004-07-23 | 从碳酸二甲酯及甲醇和水中分离碳酸二甲酯的工艺 |
Publications (2)
Publication Number | Publication Date |
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CN1724505A CN1724505A (zh) | 2006-01-25 |
CN100400500C true CN100400500C (zh) | 2008-07-09 |
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CNB2004100402862A Expired - Lifetime CN100400500C (zh) | 2004-07-23 | 2004-07-23 | 从碳酸二甲酯及甲醇和水中分离碳酸二甲酯的工艺 |
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CN (1) | CN100400500C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105418430A (zh) * | 2015-12-16 | 2016-03-23 | 东营市海科新源化工有限责任公司 | 一种用于间歇精馏生产高纯度碳酸二甲酯的装置及方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1210850A (zh) * | 1998-07-09 | 1999-03-17 | 华中理工大学 | 采用规整填塔分离碳酸二甲酯共沸体系的方法 |
CN1212172A (zh) * | 1997-09-24 | 1999-03-31 | 中国石油化工总公司 | 一种甲醇和碳酸二甲酯共沸物的分离方法 |
CN1218031A (zh) * | 1997-11-24 | 1999-06-02 | 化学工业部西南化工研究设计院 | 水萃取精馏分离碳酸二甲酯工艺 |
CN1367772A (zh) * | 1999-04-26 | 2002-09-04 | 通用电气公司 | 碳酸二甲酯和甲醇的分离方法 |
-
2004
- 2004-07-23 CN CNB2004100402862A patent/CN100400500C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1212172A (zh) * | 1997-09-24 | 1999-03-31 | 中国石油化工总公司 | 一种甲醇和碳酸二甲酯共沸物的分离方法 |
CN1218031A (zh) * | 1997-11-24 | 1999-06-02 | 化学工业部西南化工研究设计院 | 水萃取精馏分离碳酸二甲酯工艺 |
CN1210850A (zh) * | 1998-07-09 | 1999-03-17 | 华中理工大学 | 采用规整填塔分离碳酸二甲酯共沸体系的方法 |
CN1367772A (zh) * | 1999-04-26 | 2002-09-04 | 通用电气公司 | 碳酸二甲酯和甲醇的分离方法 |
Non-Patent Citations (2)
Title |
---|
甲醇与碳酸二甲酯共沸液的分离研究进展. 赵路军,胡望明.精细石油化工进展,第3卷第11期. 2002 |
甲醇与碳酸二甲酯共沸液的分离研究进展. 赵路军,胡望明.精细石油化工进展,第3卷第11期. 2002 * |
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CN1724505A (zh) | 2006-01-25 |
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Address after: 445 box 610299, South Airport Road, Sichuan, Chengdu Patentee after: SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY Address before: 445 box 610299, South Airport Road, Sichuan, Chengdu Patentee before: THE SOUTHWEST RESEARCH & DESIGN INSTITUTE OF CHEMICAL INDUSTRY |
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