CN104725203A - 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 - Google Patents
一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 Download PDFInfo
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- CN104725203A CN104725203A CN201510128377.XA CN201510128377A CN104725203A CN 104725203 A CN104725203 A CN 104725203A CN 201510128377 A CN201510128377 A CN 201510128377A CN 104725203 A CN104725203 A CN 104725203A
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- Prior art keywords
- tower
- methylal
- formaldehyde
- methyl
- formiate
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 244
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000008569 process Effects 0.000 title claims abstract description 20
- 230000002194 synthesizing effect Effects 0.000 title abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims abstract description 70
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000012856 packing Methods 0.000 claims abstract description 34
- 230000002378 acidificating effect Effects 0.000 claims abstract description 6
- 239000007921 spray Substances 0.000 claims abstract description 6
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011949 solid catalyst Substances 0.000 claims abstract description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 32
- 239000000945 filler Substances 0.000 claims description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 16
- 235000019253 formic acid Nutrition 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 239000000376 reactant Substances 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 150000002373 hemiacetals Chemical class 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 10
- 239000008098 formaldehyde solution Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005587 bubbling Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 230000032050 esterification Effects 0.000 claims description 3
- 238000005886 esterification reaction Methods 0.000 claims description 3
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 238000005842 biochemical reaction Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims description 2
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical group CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007670 refining Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005829 trimerization reaction Methods 0.000 abstract description 3
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 5
- 229930040373 Paraformaldehyde Natural products 0.000 description 5
- 229920002866 paraformaldehyde Polymers 0.000 description 5
- 238000007323 disproportionation reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 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
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002638 heterogeneous catalyst Substances 0.000 description 1
- 239000011964 heteropoly acid Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010457 zeolite 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
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/30—Compounds having groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/04—Formic acid esters
- C07C69/06—Formic acid esters of monohydroxylic compounds
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201510128377.XA CN104725203B (zh) | 2015-03-24 | 2015-03-24 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
PCT/CN2016/076960 WO2016150371A1 (zh) | 2015-03-24 | 2016-03-22 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
Applications Claiming Priority (1)
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CN201510128377.XA CN104725203B (zh) | 2015-03-24 | 2015-03-24 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
Publications (2)
Publication Number | Publication Date |
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CN104725203A true CN104725203A (zh) | 2015-06-24 |
CN104725203B CN104725203B (zh) | 2016-05-11 |
Family
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CN201510128377.XA Active CN104725203B (zh) | 2015-03-24 | 2015-03-24 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
Country Status (2)
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CN (1) | CN104725203B (zh) |
WO (1) | WO2016150371A1 (zh) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016150371A1 (zh) * | 2015-03-24 | 2016-09-29 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
CN106699521A (zh) * | 2016-08-17 | 2017-05-24 | 江苏凯茂石化科技有限公司 | 一种DMMn精制装置中脱M1塔气相冷凝系统 |
CN106800500A (zh) * | 2017-01-17 | 2017-06-06 | 凯瑞环保科技股份有限公司 | 一种制备聚甲氧基二甲醚的工艺方法 |
CN107118083A (zh) * | 2017-06-03 | 2017-09-01 | 天津大学 | 一种用于含甲醛聚甲氧基二甲醚精制分离的装置与方法 |
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 |
CN107285999A (zh) * | 2017-07-13 | 2017-10-24 | 湖北三里枫香科技有限公司 | 一种烷基聚氧醚DMMn的反应塔及生产工艺方法 |
CN107721831A (zh) * | 2017-11-08 | 2018-02-23 | 江苏道尔顿石化科技有限公司 | 一种聚甲氧基二甲醚合成鼓泡式外挂反应系统及合成方法 |
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 |
CN109232202A (zh) * | 2018-11-08 | 2019-01-18 | 凯瑞环保科技股份有限公司 | 一种一步法合成dmm3-8的装置和方法 |
CN109761765A (zh) * | 2019-03-23 | 2019-05-17 | 中国石油大学(华东) | 一种低酸度聚甲氧基二甲醚及其制备方法 |
CN110054550A (zh) * | 2019-04-09 | 2019-07-26 | 天津大学 | 一种气相甲醛法生产聚甲氧基二甲醚的工艺系统和方法 |
CN112299963A (zh) * | 2020-11-20 | 2021-02-02 | 清华大学 | 连续生产聚甲氧基二甲醚的方法 |
Families Citing this family (3)
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CN109232516B (zh) * | 2018-11-08 | 2024-03-19 | 凯瑞环保科技股份有限公司 | 一种多功能膜合成三聚甲醛及dmm3-8的装置和方法 |
CN114643028A (zh) * | 2020-12-18 | 2022-06-21 | 浙江国宇塑业有限公司 | 一种基于dcs控制系统的甲醛生产装置 |
CN114682169B (zh) * | 2022-03-09 | 2024-04-02 | 赛鼎工程有限公司 | 聚甲氧基二甲醚的生产工艺方法 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752163A (en) * | 1953-07-16 | 1956-07-04 | Du Pont | Preparation of purified formaldehyde |
US2848500A (en) * | 1957-01-28 | 1958-08-19 | Du Pont | Preparation of purified formaldehyde |
US3423368A (en) * | 1965-10-14 | 1969-01-21 | Hary E Cier | Extractive recovery of formaldehyde |
EP0543226A2 (de) * | 1991-11-16 | 1993-05-26 | BASF Aktiengesellschaft | Verfahren zur Herstellung von wasserfreiem un von Verunreinigungen befreitem Formaldehyd |
US6229053B1 (en) * | 1997-10-31 | 2001-05-08 | Ticona Gmbh | Method for purification of formaldehyde, use thereof and plastics produced therewith |
CN102527218A (zh) * | 2012-01-05 | 2012-07-04 | 江苏融泰化工有限公司 | 一种含氨废气处理装置 |
CN103339094A (zh) * | 2011-01-26 | 2013-10-02 | 宝理塑料株式会社 | 半缩甲醛浓缩物的制造方法及甲醛气体的制造方法 |
CN103848730A (zh) * | 2014-01-09 | 2014-06-11 | 东营市润成碳材料科技有限公司 | 一种聚甲氧基二甲醚的生产装置系统及生产工艺 |
CN204079853U (zh) * | 2014-09-04 | 2015-01-07 | 北京旭阳化工技术研究院有限公司 | 用于生产聚甲氧基二甲醚的反应装置 |
CN204138579U (zh) * | 2014-09-07 | 2015-02-04 | 山东润银生物化工股份有限公司 | 一种连续化生产聚对丁二甲酸丁二醇酯的工艺装置 |
CN204569778U (zh) * | 2015-03-24 | 2015-08-19 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6265528B1 (en) * | 1998-11-12 | 2001-07-24 | Bp Corporation North America Inc. | Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by oxy-dehydrogenation of dimethyl ether |
CN104230684B (zh) * | 2013-06-17 | 2016-09-07 | 中国石油化工股份有限公司 | 由甲醇合成聚甲醛二甲醚的工艺方法 |
CN104725203B (zh) * | 2015-03-24 | 2016-05-11 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
-
2015
- 2015-03-24 CN CN201510128377.XA patent/CN104725203B/zh active Active
-
2016
- 2016-03-22 WO PCT/CN2016/076960 patent/WO2016150371A1/zh active Application Filing
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB752163A (en) * | 1953-07-16 | 1956-07-04 | Du Pont | Preparation of purified formaldehyde |
US2848500A (en) * | 1957-01-28 | 1958-08-19 | Du Pont | Preparation of purified formaldehyde |
US3423368A (en) * | 1965-10-14 | 1969-01-21 | Hary E Cier | Extractive recovery of formaldehyde |
EP0543226A2 (de) * | 1991-11-16 | 1993-05-26 | BASF Aktiengesellschaft | Verfahren zur Herstellung von wasserfreiem un von Verunreinigungen befreitem Formaldehyd |
US6229053B1 (en) * | 1997-10-31 | 2001-05-08 | Ticona Gmbh | Method for purification of formaldehyde, use thereof and plastics produced therewith |
CN103339094A (zh) * | 2011-01-26 | 2013-10-02 | 宝理塑料株式会社 | 半缩甲醛浓缩物的制造方法及甲醛气体的制造方法 |
CN102527218A (zh) * | 2012-01-05 | 2012-07-04 | 江苏融泰化工有限公司 | 一种含氨废气处理装置 |
CN103848730A (zh) * | 2014-01-09 | 2014-06-11 | 东营市润成碳材料科技有限公司 | 一种聚甲氧基二甲醚的生产装置系统及生产工艺 |
CN204079853U (zh) * | 2014-09-04 | 2015-01-07 | 北京旭阳化工技术研究院有限公司 | 用于生产聚甲氧基二甲醚的反应装置 |
CN204138579U (zh) * | 2014-09-07 | 2015-02-04 | 山东润银生物化工股份有限公司 | 一种连续化生产聚对丁二甲酸丁二醇酯的工艺装置 |
CN204569778U (zh) * | 2015-03-24 | 2015-08-19 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置 |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016150371A1 (zh) * | 2015-03-24 | 2016-09-29 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
CN106699521A (zh) * | 2016-08-17 | 2017-05-24 | 江苏凯茂石化科技有限公司 | 一种DMMn精制装置中脱M1塔气相冷凝系统 |
CN106800500A (zh) * | 2017-01-17 | 2017-06-06 | 凯瑞环保科技股份有限公司 | 一种制备聚甲氧基二甲醚的工艺方法 |
CN107118083A (zh) * | 2017-06-03 | 2017-09-01 | 天津大学 | 一种用于含甲醛聚甲氧基二甲醚精制分离的装置与方法 |
CN107118083B (zh) * | 2017-06-03 | 2023-09-22 | 天津大学 | 一种用于含甲醛聚甲氧基二甲醚精制分离的装置与方法 |
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 |
CN107285999A (zh) * | 2017-07-13 | 2017-10-24 | 湖北三里枫香科技有限公司 | 一种烷基聚氧醚DMMn的反应塔及生产工艺方法 |
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 |
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CN109761765A (zh) * | 2019-03-23 | 2019-05-17 | 中国石油大学(华东) | 一种低酸度聚甲氧基二甲醚及其制备方法 |
CN110054550B (zh) * | 2019-04-09 | 2022-03-29 | 天津大学 | 一种气相甲醛法生产聚甲氧基二甲醚的工艺系统和方法 |
CN110054550A (zh) * | 2019-04-09 | 2019-07-26 | 天津大学 | 一种气相甲醛法生产聚甲氧基二甲醚的工艺系统和方法 |
CN112299963B (zh) * | 2020-11-20 | 2022-01-07 | 清华大学 | 连续生产聚甲氧基二甲醚的方法 |
CN112299963A (zh) * | 2020-11-20 | 2021-02-02 | 清华大学 | 连续生产聚甲氧基二甲醚的方法 |
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