CN104817437A - 一种用于合成聚甲氧基二甲醚的脱水工艺方法及装置 - Google Patents
一种用于合成聚甲氧基二甲醚的脱水工艺方法及装置 Download PDFInfo
- Publication number
- CN104817437A CN104817437A CN201510247064.6A CN201510247064A CN104817437A CN 104817437 A CN104817437 A CN 104817437A CN 201510247064 A CN201510247064 A CN 201510247064A CN 104817437 A CN104817437 A CN 104817437A
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- methylal
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- dimethyl ether
- reaction
- polymethoxy dimethyl
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000018044 dehydration Effects 0.000 title abstract description 8
- 238000006297 dehydration reaction Methods 0.000 title abstract description 8
- 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 54
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000006243 chemical reaction Methods 0.000 claims abstract description 47
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 52
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000003786 synthesis reaction Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000006555 catalytic reaction Methods 0.000 claims description 4
- 239000007792 gaseous phase Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000000539 dimer Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000007086 side reaction Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000003809 water extraction Methods 0.000 claims description 2
- 239000000376 reactant Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000007171 acid catalysis Methods 0.000 abstract 1
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- 238000005516 engineering process Methods 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000002459 sustained effect Effects 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
- C07C41/48—Preparation of compounds having groups
- C07C41/50—Preparation of compounds having groups by reactions producing groups
- C07C41/56—Preparation of compounds having groups by reactions producing groups by condensation of aldehydes, paraformaldehyde, or ketones
-
- 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
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
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CN201510247064.6A CN104817437A (zh) | 2015-05-14 | 2015-05-14 | 一种用于合成聚甲氧基二甲醚的脱水工艺方法及装置 |
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CN201510247064.6A CN104817437A (zh) | 2015-05-14 | 2015-05-14 | 一种用于合成聚甲氧基二甲醚的脱水工艺方法及装置 |
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CN201510247064.6A Pending CN104817437A (zh) | 2015-05-14 | 2015-05-14 | 一种用于合成聚甲氧基二甲醚的脱水工艺方法及装置 |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105693479A (zh) * | 2016-03-15 | 2016-06-22 | 江苏凯茂石化科技有限公司 | 一种气体甲醛制备聚甲氧基二甲醚的专用工艺装置 |
CN106540550A (zh) * | 2016-11-02 | 2017-03-29 | 东方红升江苏新能源有限公司 | 用于制取聚甲氧基二甲醚的原料膜脱水方法 |
CN106631720A (zh) * | 2016-11-02 | 2017-05-10 | 东方红升江苏新能源有限公司 | 以稀甲醛和甲缩醛为原料直接合成聚甲氧基二甲醚的方法 |
CN107266296A (zh) * | 2017-07-13 | 2017-10-20 | 湖北三里枫香科技有限公司 | 一种烷基聚氧醚PODEn的生产工艺装置及方法 |
CN107286002A (zh) * | 2016-04-12 | 2017-10-24 | 中国石油化工股份有限公司 | 聚甲氧基二甲醚2的精制方法 |
CN107739301A (zh) * | 2017-11-08 | 2018-02-27 | 江苏道尔顿石化科技有限公司 | 一种聚甲氧基二甲醚合成系统及工艺 |
CN108276257A (zh) * | 2018-01-23 | 2018-07-13 | 江苏道尔顿石化科技有限公司 | 一种共沸精馏热耦合聚甲氧基二甲醚合成反应系统 |
CN110156575A (zh) * | 2019-04-17 | 2019-08-23 | 天津大学 | 用于聚甲氧基二甲醚合成的反应精馏-蒸汽渗透耦合工艺 |
CN113087603A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油化工股份有限公司 | 一种聚甲氧基二甲醚生产系统及生产方法 |
CN113087602A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油化工股份有限公司 | 一种聚甲氧基二甲醚的生产和精制方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6160186A (en) * | 1998-11-12 | 2000-12-12 | Bp Amoco Corporation | Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether |
CN103420817A (zh) * | 2012-05-16 | 2013-12-04 | 中国石油化工股份有限公司 | 由甲缩醛和多聚甲醛合成聚甲醛二甲醚的方法 |
CN103626640A (zh) * | 2013-12-13 | 2014-03-12 | 江苏凯茂石化科技有限公司 | 一种聚甲氧基二甲醚的制备工艺装置及方法 |
CN104447239A (zh) * | 2014-10-16 | 2015-03-25 | 白教法 | 甲醇为原始反应物料连续生产聚甲氧基二甲醚的方法 |
CN104591984A (zh) * | 2014-12-12 | 2015-05-06 | 北京东方红升新能源应用技术研究院有限公司 | 一种以浓缩甲醛为原料制备聚甲氧基二甲醚的方法 |
-
2015
- 2015-05-14 CN CN201510247064.6A patent/CN104817437A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6160186A (en) * | 1998-11-12 | 2000-12-12 | Bp Amoco Corporation | Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether |
CN103420817A (zh) * | 2012-05-16 | 2013-12-04 | 中国石油化工股份有限公司 | 由甲缩醛和多聚甲醛合成聚甲醛二甲醚的方法 |
CN103626640A (zh) * | 2013-12-13 | 2014-03-12 | 江苏凯茂石化科技有限公司 | 一种聚甲氧基二甲醚的制备工艺装置及方法 |
CN104447239A (zh) * | 2014-10-16 | 2015-03-25 | 白教法 | 甲醇为原始反应物料连续生产聚甲氧基二甲醚的方法 |
CN104591984A (zh) * | 2014-12-12 | 2015-05-06 | 北京东方红升新能源应用技术研究院有限公司 | 一种以浓缩甲醛为原料制备聚甲氧基二甲醚的方法 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105693479A (zh) * | 2016-03-15 | 2016-06-22 | 江苏凯茂石化科技有限公司 | 一种气体甲醛制备聚甲氧基二甲醚的专用工艺装置 |
CN107286002A (zh) * | 2016-04-12 | 2017-10-24 | 中国石油化工股份有限公司 | 聚甲氧基二甲醚2的精制方法 |
CN107286002B (zh) * | 2016-04-12 | 2020-09-04 | 中国石油化工股份有限公司 | 聚甲氧基二甲醚2的精制方法 |
CN106631720B (zh) * | 2016-11-02 | 2020-06-05 | 东方红升江苏新能源有限公司 | 以稀甲醛和甲缩醛为原料直接合成聚甲氧基二甲醚的方法 |
CN106631720A (zh) * | 2016-11-02 | 2017-05-10 | 东方红升江苏新能源有限公司 | 以稀甲醛和甲缩醛为原料直接合成聚甲氧基二甲醚的方法 |
CN106540550A (zh) * | 2016-11-02 | 2017-03-29 | 东方红升江苏新能源有限公司 | 用于制取聚甲氧基二甲醚的原料膜脱水方法 |
CN107266296A (zh) * | 2017-07-13 | 2017-10-20 | 湖北三里枫香科技有限公司 | 一种烷基聚氧醚PODEn的生产工艺装置及方法 |
CN107739301A (zh) * | 2017-11-08 | 2018-02-27 | 江苏道尔顿石化科技有限公司 | 一种聚甲氧基二甲醚合成系统及工艺 |
CN107739301B (zh) * | 2017-11-08 | 2023-05-16 | 无锡赫利邦化工科技有限公司 | 一种聚甲氧基二甲醚合成系统及工艺 |
CN108276257A (zh) * | 2018-01-23 | 2018-07-13 | 江苏道尔顿石化科技有限公司 | 一种共沸精馏热耦合聚甲氧基二甲醚合成反应系统 |
CN108276257B (zh) * | 2018-01-23 | 2020-12-22 | 无锡赫利邦化工科技有限公司 | 一种共沸精馏热耦合聚甲氧基二甲醚合成反应系统 |
CN110156575A (zh) * | 2019-04-17 | 2019-08-23 | 天津大学 | 用于聚甲氧基二甲醚合成的反应精馏-蒸汽渗透耦合工艺 |
CN110156575B (zh) * | 2019-04-17 | 2023-06-06 | 天津大学 | 用于聚甲氧基二甲醚合成的反应精馏-蒸汽渗透耦合工艺 |
CN113087603A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油化工股份有限公司 | 一种聚甲氧基二甲醚生产系统及生产方法 |
CN113087602A (zh) * | 2020-01-09 | 2021-07-09 | 中国石油化工股份有限公司 | 一种聚甲氧基二甲醚的生产和精制方法 |
CN113087603B (zh) * | 2020-01-09 | 2022-12-09 | 中国石油化工股份有限公司 | 一种聚甲氧基二甲醚生产系统及生产方法 |
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