JPH0222061B2 - - Google Patents
Info
- Publication number
- JPH0222061B2 JPH0222061B2 JP55184499A JP18449980A JPH0222061B2 JP H0222061 B2 JPH0222061 B2 JP H0222061B2 JP 55184499 A JP55184499 A JP 55184499A JP 18449980 A JP18449980 A JP 18449980A JP H0222061 B2 JPH0222061 B2 JP H0222061B2
- Authority
- JP
- Japan
- Prior art keywords
- column
- trimethylamine
- separation
- dimethylamine
- ammonia
- 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.)
- Expired - Lifetime
Links
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 48
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 44
- 238000000926 separation method Methods 0.000 claims description 40
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 34
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 28
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 229910021529 ammonia Inorganic materials 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 22
- 230000018044 dehydration Effects 0.000 claims description 13
- 238000006297 dehydration reaction Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 150000003956 methylamines Chemical class 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 238000004821 distillation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 3
- 238000000895 extractive distillation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 2000Kg/H Chemical compound 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18449980A JPS57108041A (en) | 1980-12-25 | 1980-12-25 | Distilling and separating method of methylamine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18449980A JPS57108041A (en) | 1980-12-25 | 1980-12-25 | Distilling and separating method of methylamine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57108041A JPS57108041A (en) | 1982-07-05 |
| JPH0222061B2 true JPH0222061B2 (zh) | 1990-05-17 |
Family
ID=16154250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18449980A Granted JPS57108041A (en) | 1980-12-25 | 1980-12-25 | Distilling and separating method of methylamine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57108041A (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045550A (ja) * | 1983-08-22 | 1985-03-12 | Nitto Chem Ind Co Ltd | メチルアミン類の製造法 |
| DE10344282A1 (de) * | 2003-09-24 | 2005-04-21 | Basf Ag | Verfahren zur Vermeidung von Korrosion |
| KR101200218B1 (ko) * | 2004-06-01 | 2012-11-09 | 바이엘 머티리얼사이언스 아게 | 아민 수용액 증류적 분리 방법 |
| DE102004026626A1 (de) * | 2004-06-01 | 2005-12-29 | Bayer Materialscience Ag | Verfahren zur destillativen Trennung von wässrigen Aminlösungen |
| CN102976950A (zh) * | 2012-12-18 | 2013-03-20 | 天津天智精细化工有限公司 | 一种制备叔胺的改进工艺 |
| CN107245036A (zh) * | 2017-06-21 | 2017-10-13 | 浙江普洛康裕制药有限公司 | 从含有甲胺的反应废水中分离甲胺的方法和装置及在麻黄碱和伪麻黄碱生产工艺中的应用 |
| CN112745228A (zh) * | 2020-12-30 | 2021-05-04 | 天津天南同创科技发展有限公司 | 一种高纯一甲胺、二甲胺的节能分离工艺装置及方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5168506A (en) * | 1974-12-11 | 1976-06-14 | Nitto Chemical Industry Co Ltd | Mechiruaminno seiseiho |
-
1980
- 1980-12-25 JP JP18449980A patent/JPS57108041A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5168506A (en) * | 1974-12-11 | 1976-06-14 | Nitto Chemical Industry Co Ltd | Mechiruaminno seiseiho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57108041A (en) | 1982-07-05 |
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