JPS56158729A - Handling method of solution containing formic acid - Google Patents
Handling method of solution containing formic acidInfo
- Publication number
- JPS56158729A JPS56158729A JP6167080A JP6167080A JPS56158729A JP S56158729 A JPS56158729 A JP S56158729A JP 6167080 A JP6167080 A JP 6167080A JP 6167080 A JP6167080 A JP 6167080A JP S56158729 A JPS56158729 A JP S56158729A
- Authority
- JP
- Japan
- Prior art keywords
- formic acid
- solution
- solution containing
- alloy
- concentration
- 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: To handle safely and economically a solution containing at least formic acid and water, by keeping the solution in a closed apparatus having the inner surface made of Ti and/or a Ti alloy at a specific temperature corresponding to the concentration of the formic acid in the solution.
CONSTITUTION: A solution containing at least formic acid and water, e.g. a solution containing formaldehyde, is handldes in a closed apparatus having the inner surface made of Ti and/or a Ti alloy while maintaining the solution at a temperature ≥100°C when the concentration of the formic acid in the solution is <30wt% or at a temperature expressed by the formula t=2F+70 [t(°C) is the lower limit temperature of the solution for handling; F(wt%) is the concentration of the formic acid] or higher, preferably ≤180°C, when F is ≥30wt%. A Ti plate specified by JIS H4600 is preferably used as the Ti, and a Pd-Ti alloy with a Pd content of about 0.2% is preferred as the Ti alloy since they are excellently anticorrosive.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6167080A JPS56158729A (en) | 1980-05-12 | 1980-05-12 | Handling method of solution containing formic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6167080A JPS56158729A (en) | 1980-05-12 | 1980-05-12 | Handling method of solution containing formic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56158729A true JPS56158729A (en) | 1981-12-07 |
Family
ID=13177896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6167080A Pending JPS56158729A (en) | 1980-05-12 | 1980-05-12 | Handling method of solution containing formic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56158729A (en) |
-
1980
- 1980-05-12 JP JP6167080A patent/JPS56158729A/en active Pending
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