JPS5340707A - Purification of formaldehyde - Google Patents
Purification of formaldehydeInfo
- Publication number
- JPS5340707A JPS5340707A JP11565276A JP11565276A JPS5340707A JP S5340707 A JPS5340707 A JP S5340707A JP 11565276 A JP11565276 A JP 11565276A JP 11565276 A JP11565276 A JP 11565276A JP S5340707 A JPS5340707 A JP S5340707A
- Authority
- JP
- Japan
- Prior art keywords
- formaldehyde
- purification
- hemiformal
- feeding
- thermal decomposition
- 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.)
- Pending
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: In purification of formaldehyde via hemiformal, feeding of an inert gas to the mixed gas resulting from thermal decomposition of hemiformal prior to cooling prevents solidification of formaldehyde and makes stable operation possible.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11565276A JPS5340707A (en) | 1976-09-27 | 1976-09-27 | Purification of formaldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11565276A JPS5340707A (en) | 1976-09-27 | 1976-09-27 | Purification of formaldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5340707A true JPS5340707A (en) | 1978-04-13 |
Family
ID=14667932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11565276A Pending JPS5340707A (en) | 1976-09-27 | 1976-09-27 | Purification of formaldehyde |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5340707A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013111462A1 (en) * | 2012-01-24 | 2013-08-01 | ポリプラスチックス株式会社 | Method for producing hemiformal concentrate, and method for producing formaldehyde gas |
WO2013118552A1 (en) * | 2012-02-09 | 2013-08-15 | ポリプラスチックス株式会社 | Method for producing formaldehyde gas and apparatus for producing formaldehyde gas |
-
1976
- 1976-09-27 JP JP11565276A patent/JPS5340707A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013111462A1 (en) * | 2012-01-24 | 2013-08-01 | ポリプラスチックス株式会社 | Method for producing hemiformal concentrate, and method for producing formaldehyde gas |
JP2013151439A (en) * | 2012-01-24 | 2013-08-08 | Polyplastics Co | Method for producing hemiformal concentrate and method for producing formaldehyde gas |
WO2013118552A1 (en) * | 2012-02-09 | 2013-08-15 | ポリプラスチックス株式会社 | Method for producing formaldehyde gas and apparatus for producing formaldehyde gas |
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