CN102372610B - 高浓度甲缩醛萃取精馏工艺及制备装置 - Google Patents
高浓度甲缩醛萃取精馏工艺及制备装置 Download PDFInfo
- Publication number
- CN102372610B CN102372610B CN201010250316.8A CN201010250316A CN102372610B CN 102372610 B CN102372610 B CN 102372610B CN 201010250316 A CN201010250316 A CN 201010250316A CN 102372610 B CN102372610 B CN 102372610B
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- Prior art keywords
- tower
- gas
- extraction
- methylal
- liquid
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- 238000000605 extraction Methods 0.000 title claims abstract description 68
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000005516 engineering process Methods 0.000 title abstract description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 103
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 31
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000000066 reactive distillation Methods 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 239000012071 phase Substances 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 8
- 239000004571 lime Substances 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000008098 formaldehyde solution Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 239000003905 agrochemical Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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- 239000000976 ink Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- -1 polyoxymethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010250316.8A CN102372610B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛萃取精馏工艺及制备装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010250316.8A CN102372610B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛萃取精馏工艺及制备装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102372610A CN102372610A (zh) | 2012-03-14 |
CN102372610B true CN102372610B (zh) | 2015-01-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201010250316.8A Expired - Fee Related CN102372610B (zh) | 2010-08-09 | 2010-08-09 | 高浓度甲缩醛萃取精馏工艺及制备装置 |
Country Status (1)
Country | Link |
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CN (1) | CN102372610B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105693686B (zh) * | 2016-03-10 | 2020-11-17 | 天津大学 | 4emd生产的反应精馏方法及装置 |
CN107986947A (zh) * | 2017-12-28 | 2018-05-04 | 四川鑫达新能源科技有限公司 | 一种甲缩醛热能综合利用合成系统以及制备方法 |
CN108424358B (zh) * | 2018-05-22 | 2023-12-26 | 凯瑞环保科技股份有限公司 | 一种利用催化蒸馏耦合技术生产高纯甲缩醛的装置和方法 |
CN112225650B (zh) * | 2019-07-15 | 2023-06-06 | 中国石油化工股份有限公司 | 工业级甲缩醛提纯获得高纯度甲缩醛的精制方法 |
CN113511965B (zh) * | 2021-04-29 | 2023-04-25 | 潍坊惠丰化工有限公司 | 一种复合溶剂萃取浓缩稀甲醛水溶液的工艺方法 |
CN114591155A (zh) * | 2022-02-17 | 2022-06-07 | 安徽东至广信农化有限公司 | 一种甲缩醛精馏工艺 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1807378A (zh) * | 2006-01-26 | 2006-07-26 | 南京师范大学 | 连续反应精馏和液液萃取结合制备甲缩醛的方法 |
CN101094825A (zh) * | 2004-12-09 | 2007-12-26 | 泰科纳有限公司 | 制备缩醛的方法 |
-
2010
- 2010-08-09 CN CN201010250316.8A patent/CN102372610B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101094825A (zh) * | 2004-12-09 | 2007-12-26 | 泰科纳有限公司 | 制备缩醛的方法 |
CN1807378A (zh) * | 2006-01-26 | 2006-07-26 | 南京师范大学 | 连续反应精馏和液液萃取结合制备甲缩醛的方法 |
Non-Patent Citations (1)
Title |
---|
反应精馏技术生产甲缩醛的新工艺研究;宋磊;《中国优秀硕士学位论文全文数据库工程科技I辑》;20091015(第10期);第46-48页 * |
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CN102372610A (zh) | 2012-03-14 |
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Denomination of invention: Extraction and rectification technology and preparation apparatus of high-density methylal Effective date of registration: 20151112 Granted publication date: 20150121 Pledgee: Jiangsu Wujin credit re Company limited by guarantee Pledgor: Jiangsu Hengmao Machinery Manufacture Co.,Ltd. Registration number: 2015990000998 |
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Date of cancellation: 20170606 Granted publication date: 20150121 Pledgee: Jiangsu Wujin credit Company limited by guarantee Pledgor: Jiangsu Hengmao Machinery Manufacture Co.,Ltd. Registration number: 2015990000998 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Extraction and rectification technology and preparation apparatus of high-density methylal Effective date of registration: 20170606 Granted publication date: 20150121 Pledgee: Jiangsu Wujin credit Company limited by guarantee Pledgor: Jiangsu Hengmao Machinery Manufacture Co.,Ltd. Registration number: 2017990000461 |
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