CN104043260A - Dmac回收物性指标优化*** - Google Patents
Dmac回收物性指标优化*** Download PDFInfo
- Publication number
- CN104043260A CN104043260A CN201410279917.XA CN201410279917A CN104043260A CN 104043260 A CN104043260 A CN 104043260A CN 201410279917 A CN201410279917 A CN 201410279917A CN 104043260 A CN104043260 A CN 104043260A
- Authority
- CN
- China
- Prior art keywords
- dmac
- condenser
- tower
- distributor
- treating column
- 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
- 238000004064 recycling Methods 0.000 title abstract description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 title abstract 8
- 238000011084 recovery Methods 0.000 claims abstract description 37
- 238000004821 distillation Methods 0.000 claims abstract description 22
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims description 45
- 239000000945 filler Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 18
- 230000004907 flux Effects 0.000 claims description 16
- 238000005457 optimization Methods 0.000 claims description 13
- 230000000704 physical effect Effects 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 239000002904 solvent Substances 0.000 abstract description 6
- 229920002334 Spandex Polymers 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004759 spandex Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 12
- 230000018044 dehydration Effects 0.000 description 10
- 238000006297 dehydration reaction Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 238000010992 reflux Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000000578 dry spinning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BJZYYSAMLOBSDY-QMMMGPOBSA-N (2s)-2-butoxybutan-1-ol Chemical compound CCCCO[C@@H](CC)CO BJZYYSAMLOBSDY-QMMMGPOBSA-N 0.000 description 1
- GZEYLLPOQRZUDF-UHFFFAOYSA-N 7-(dimethylamino)-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(N(C)C)=CC=C21 GZEYLLPOQRZUDF-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001412 amines Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- WFKAJVHLWXSISD-UHFFFAOYSA-N isobutyramide Chemical compound CC(C)C(N)=O WFKAJVHLWXSISD-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410279917.XA CN104043260B (zh) | 2014-06-20 | 2014-06-20 | Dmac回收物性指标优化*** |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410279917.XA CN104043260B (zh) | 2014-06-20 | 2014-06-20 | Dmac回收物性指标优化*** |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104043260A true CN104043260A (zh) | 2014-09-17 |
CN104043260B CN104043260B (zh) | 2016-07-06 |
Family
ID=51496961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410279917.XA Active CN104043260B (zh) | 2014-06-20 | 2014-06-20 | Dmac回收物性指标优化*** |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104043260B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109111005A (zh) * | 2018-09-19 | 2019-01-01 | 四川久润环保科技有限公司 | 一种从工业废水中制取高纯dmac的方法及*** |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61157301A (ja) * | 1984-12-28 | 1986-07-17 | Nippon Steel Chem Co Ltd | ヒ−トポンプ方式による蒸留方法 |
EP0646037B1 (en) * | 1992-05-19 | 1997-01-15 | Exxon Research And Engineering Company | Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery |
CN102030672A (zh) * | 2010-12-09 | 2011-04-27 | 南京大学 | 氨纶生产过程中回收超高纯n,n-二甲基乙酰胺溶剂的工艺 |
CN202610134U (zh) * | 2012-05-08 | 2012-12-19 | 长乐恒申合纤科技有限公司 | 废料中dmac的回收*** |
CN103145577A (zh) * | 2013-02-25 | 2013-06-12 | 天津天中福大科技发展有限公司 | 从制药废液中回收二甲基乙酰胺的方法、设备及热耦合方法 |
CN203389352U (zh) * | 2013-06-28 | 2014-01-15 | 绍兴县远程树脂科技有限公司 | 一种dmf溶剂脱水装置 |
CN203916121U (zh) * | 2014-06-20 | 2014-11-05 | 浙江开普特氨纶有限公司 | Dmac回收物性指标优化*** |
-
2014
- 2014-06-20 CN CN201410279917.XA patent/CN104043260B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61157301A (ja) * | 1984-12-28 | 1986-07-17 | Nippon Steel Chem Co Ltd | ヒ−トポンプ方式による蒸留方法 |
EP0646037B1 (en) * | 1992-05-19 | 1997-01-15 | Exxon Research And Engineering Company | Recovering a relatively volatile component of a solution from a less volatile component, e.g. as in solvent recovery |
CN102030672A (zh) * | 2010-12-09 | 2011-04-27 | 南京大学 | 氨纶生产过程中回收超高纯n,n-二甲基乙酰胺溶剂的工艺 |
CN202610134U (zh) * | 2012-05-08 | 2012-12-19 | 长乐恒申合纤科技有限公司 | 废料中dmac的回收*** |
CN103145577A (zh) * | 2013-02-25 | 2013-06-12 | 天津天中福大科技发展有限公司 | 从制药废液中回收二甲基乙酰胺的方法、设备及热耦合方法 |
CN203389352U (zh) * | 2013-06-28 | 2014-01-15 | 绍兴县远程树脂科技有限公司 | 一种dmf溶剂脱水装置 |
CN203916121U (zh) * | 2014-06-20 | 2014-11-05 | 浙江开普特氨纶有限公司 | Dmac回收物性指标优化*** |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109111005A (zh) * | 2018-09-19 | 2019-01-01 | 四川久润环保科技有限公司 | 一种从工业废水中制取高纯dmac的方法及*** |
Also Published As
Publication number | Publication date |
---|---|
CN104043260B (zh) | 2016-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105085160A (zh) | 安赛蜜合成工艺中二氯甲烷的回收方法 | |
CN103274489A (zh) | 一种利用荒煤气余热为热源的负压蒸氨工艺及设备 | |
CN110105217B (zh) | 一种电池级碳酸二甲酯精制装置及方法 | |
CN101429288A (zh) | 聚苯硫醚生产过程中所产生的工艺液体的处理方法 | |
CN203916121U (zh) | Dmac回收物性指标优化*** | |
CN103333080A (zh) | 含dmf废水四效精馏回收方法 | |
CN113072530B (zh) | 一种生产电子级碳酸乙烯酯的装置及方法 | |
CN103570172A (zh) | 酚氨煤气化污水处理方法 | |
CN102391064B (zh) | 一种己内酰胺生产过程中萃取剂回收精制工艺 | |
CN102516015A (zh) | 结晶蒸馏法提取精蒽及咔唑的生产方法及其*** | |
CN106746118A (zh) | 一种利用废水热能回收醇酮的***及方法 | |
CN102225889B (zh) | 一种由甲醇脱水制取二甲醚的方法 | |
CN107652208B (zh) | 一种从光气化反应得到的异氰酸酯产物中脱除溶剂的方法和装置 | |
CN104043260A (zh) | Dmac回收物性指标优化*** | |
CN209759339U (zh) | 一种头孢呋辛酸生产中二氯甲烷的回收装置 | |
CN102040542B (zh) | 利用隔板塔共沸精馏从废水中回收乙腈的工艺 | |
CN201762266U (zh) | 三氯乙烯工业化生产装置 | |
CN204455032U (zh) | 轻质油回收和萃取再生甲醇的装置 | |
CN103319300A (zh) | 一种连续蒸馏制备工业萘的工艺方法 | |
CN108516934B (zh) | 一种隔壁反应精馏生产甲酸环己酯的生产工艺 | |
CN217264857U (zh) | 一种氯气干燥废酸的提浓回用装置 | |
CN216629750U (zh) | 一种从季戊四醇母液中分离季戊四醇与甲酸钙的*** | |
CN102504852B (zh) | 一种改进Litwin煤焦油加工工艺 | |
CN202983250U (zh) | 一种环氧丙烷回收提纯装置 | |
CN210134039U (zh) | 一种电池级碳酸二甲酯精制装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 312000 office building 339, Yue Wang Road, Shaoxing, Zhejiang (block A) Patentee after: Zhejiang Zhongbai Special Fiber Co.,Ltd. Address before: 312000 Yue Wang Road, Po Jiang Industrial Area, Shaoxing, Zhejiang Patentee before: Zhejiang Kaipute Spandex Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: DMAC Recycling Physical Property Index Optimization System Effective date of registration: 20230426 Granted publication date: 20160706 Pledgee: Zhejiang Shaoxing Hengxin Rural Commercial Bank Co.,Ltd. Mashan sub branch Pledgor: Zhejiang Zhongbai Special Fiber Co.,Ltd. Registration number: Y2023330000800 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20160706 Pledgee: Zhejiang Shaoxing Hengxin Rural Commercial Bank Co.,Ltd. Mashan sub branch Pledgor: Zhejiang Zhongbai Special Fiber Co.,Ltd. Registration number: Y2023330000800 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: DMAC Recycling Physical Property Index Optimization System Granted publication date: 20160706 Pledgee: Zhejiang Shaoxing Hengxin Rural Commercial Bank Co.,Ltd. Mashan sub branch Pledgor: Zhejiang Zhongbai Special Fiber Co.,Ltd. Registration number: Y2024330000560 |