CN104058941A - 一种甲醇脱水制二甲醚的方法 - Google Patents
一种甲醇脱水制二甲醚的方法 Download PDFInfo
- Publication number
- CN104058941A CN104058941A CN201310092135.0A CN201310092135A CN104058941A CN 104058941 A CN104058941 A CN 104058941A CN 201310092135 A CN201310092135 A CN 201310092135A CN 104058941 A CN104058941 A CN 104058941A
- Authority
- CN
- China
- Prior art keywords
- tower
- methanol
- dehydration
- dme
- methyl alcohol
- 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
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 484
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 82
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 230000018044 dehydration Effects 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 230000008016 vaporization Effects 0.000 claims abstract description 25
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 23
- 238000009834 vaporization Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000005406 washing Methods 0.000 claims description 36
- 239000000047 product Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 238000012856 packing Methods 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 13
- 229910001593 boehmite Inorganic materials 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 12
- 239000000443 aerosol Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002808 molecular sieve Substances 0.000 claims description 8
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 7
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 6
- 229960004217 benzyl alcohol Drugs 0.000 claims description 6
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 238000007701 flash-distillation Methods 0.000 claims description 4
- 238000004065 wastewater treatment Methods 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 2
- 235000011089 carbon dioxide Nutrition 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002309 gasification Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 description 15
- 230000009466 transformation Effects 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000001354 calcination Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- BYFGZMCJNACEKR-UHFFFAOYSA-N Al2O Inorganic materials [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- -1 CFCS Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ZQBZAOZWBKABNC-UHFFFAOYSA-N [P].[Ca] Chemical compound [P].[Ca] ZQBZAOZWBKABNC-UHFFFAOYSA-N 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 230000001035 methylating effect Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000003533 narcotic effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- ULSIYEODSMZIPX-UHFFFAOYSA-N phenylethanolamine Chemical compound NCC(O)C1=CC=CC=C1 ULSIYEODSMZIPX-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310092135.0A CN104058941B (zh) | 2013-03-22 | 2013-03-22 | 甲醇脱水制二甲醚的方法 |
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CN201310092135.0A CN104058941B (zh) | 2013-03-22 | 2013-03-22 | 甲醇脱水制二甲醚的方法 |
Publications (2)
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CN104058941A true CN104058941A (zh) | 2014-09-24 |
CN104058941B CN104058941B (zh) | 2015-11-25 |
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CN201310092135.0A Active CN104058941B (zh) | 2013-03-22 | 2013-03-22 | 甲醇脱水制二甲醚的方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105753647A (zh) * | 2016-04-25 | 2016-07-13 | 洪清勇 | 一种甲醇钠和二甲醚联产装置及方法 |
CN106316800A (zh) * | 2015-06-19 | 2017-01-11 | 河北冀春化工有限公司 | 一种低耗能由甲醇制备二甲醚的方法 |
CN116510771A (zh) * | 2023-04-26 | 2023-08-01 | 哈尔滨师范大学 | 一种用于高含水量甲醇低温脱水制备二甲醚的催化剂的制备方法及在制备二甲醚中的应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941891A (zh) * | 2009-07-06 | 2011-01-12 | 中国石油化工股份有限公司上海石油化工研究院 | 用于甲醇脱水制二甲醚的方法 |
CN101941892A (zh) * | 2010-09-20 | 2011-01-12 | 四川天一科技股份有限公司 | 一种由甲醇生产二甲醚的方法 |
CN102010301A (zh) * | 2010-11-02 | 2011-04-13 | 东莞市九丰化工有限公司 | 低能耗二甲醚制造工艺及其生产设备 |
CN102659531A (zh) * | 2012-04-19 | 2012-09-12 | 东莞市九丰化工有限公司 | 低耗能二甲醚的制备工艺系统及制备方法 |
-
2013
- 2013-03-22 CN CN201310092135.0A patent/CN104058941B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101941891A (zh) * | 2009-07-06 | 2011-01-12 | 中国石油化工股份有限公司上海石油化工研究院 | 用于甲醇脱水制二甲醚的方法 |
CN101941892A (zh) * | 2010-09-20 | 2011-01-12 | 四川天一科技股份有限公司 | 一种由甲醇生产二甲醚的方法 |
CN102010301A (zh) * | 2010-11-02 | 2011-04-13 | 东莞市九丰化工有限公司 | 低能耗二甲醚制造工艺及其生产设备 |
CN102659531A (zh) * | 2012-04-19 | 2012-09-12 | 东莞市九丰化工有限公司 | 低耗能二甲醚的制备工艺系统及制备方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106316800A (zh) * | 2015-06-19 | 2017-01-11 | 河北冀春化工有限公司 | 一种低耗能由甲醇制备二甲醚的方法 |
CN106316800B (zh) * | 2015-06-19 | 2018-12-18 | 河北冀春化工有限公司 | 一种低耗能由甲醇制备二甲醚的方法 |
CN105753647A (zh) * | 2016-04-25 | 2016-07-13 | 洪清勇 | 一种甲醇钠和二甲醚联产装置及方法 |
CN116510771A (zh) * | 2023-04-26 | 2023-08-01 | 哈尔滨师范大学 | 一种用于高含水量甲醇低温脱水制备二甲醚的催化剂的制备方法及在制备二甲醚中的应用 |
Also Published As
Publication number | Publication date |
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CN104058941B (zh) | 2015-11-25 |
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---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HUANG ZHIZHONG Free format text: FORMER OWNER: QUANZHOU HENGHE CHEMICAL INDUSTRY CO., LTD. Effective date: 20150729 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150729 Address after: 362000 Fujian Province, Quanzhou city Shishi town Baogai Lun two District No. 18 Applicant after: Huang Zhizhong Address before: 362000, Fujian Province, Quangang District, Quanzhou City Xianfeng Town, South Village, maple house Applicant before: Henghe, Quanzhou Chemical Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |