JPS5340707A - Purification of formaldehyde - Google Patents

Purification of formaldehyde

Info

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
Application number
JP11565276A
Other languages
Japanese (ja)
Inventor
Harutaka Kimura
Seiichi Nozawa
Seiichi Mukai
Masaharu Shikama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP11565276A priority Critical patent/JPS5340707A/en
Publication of JPS5340707A publication Critical patent/JPS5340707A/en
Pending legal-status Critical Current

Links

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
JP11565276A 1976-09-27 1976-09-27 Purification of formaldehyde Pending JPS5340707A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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