JPS57180683A - Method of improving heat transferring ability of aqueous concentrated alkaline solution - Google Patents
Method of improving heat transferring ability of aqueous concentrated alkaline solutionInfo
- Publication number
- JPS57180683A JPS57180683A JP56065174A JP6517481A JPS57180683A JP S57180683 A JPS57180683 A JP S57180683A JP 56065174 A JP56065174 A JP 56065174A JP 6517481 A JP6517481 A JP 6517481A JP S57180683 A JPS57180683 A JP S57180683A
- Authority
- JP
- Japan
- Prior art keywords
- alkaline solution
- parts
- surfactant
- hydrotrop
- concentrated alkaline
- 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
- Detergent Compositions (AREA)
Abstract
PURPOSE: To improve the wettability of an aqueous highly concentrated alkaline solution to a heat transfer surface of a heat exchanger or the like and to enhance the heat transferring ability, by adding a carboxylic acid hydrotrop and an aminocarboxylic acid surfactant to said alkaline solution.
CONSTITUTION: In carrying out heat transfer by using an aqueous highly concentrated alkaline solution containing 30W60wt% alkali constituents such as sodium hydroxide or potassium hydroxide through a heat exchanger or the like, 0.5W3 parts of a surfactant composition consisting of 5W20 parts of a carboxylic acid hydrotrop and 0.5W2 parts of an aminocarboxylic acid surface active agent is added to 100 parts of said alkaline solution, and dissolved therein to improve the wettability of said alkaline solution to a heat transfer surface of a heat exchanger or the like. Said surfactant composition may be replaced with a composition consisting of 50W20 parts of a carboxylic acid hydrotrop, 5W20 parts of an aminocarboxylic acid surfactant, and 0.5W2 parts of an anionic surfactant.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56065174A JPS57180683A (en) | 1981-05-01 | 1981-05-01 | Method of improving heat transferring ability of aqueous concentrated alkaline solution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56065174A JPS57180683A (en) | 1981-05-01 | 1981-05-01 | Method of improving heat transferring ability of aqueous concentrated alkaline solution |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57180683A true JPS57180683A (en) | 1982-11-06 |
Family
ID=13279263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56065174A Pending JPS57180683A (en) | 1981-05-01 | 1981-05-01 | Method of improving heat transferring ability of aqueous concentrated alkaline solution |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57180683A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123903U (en) * | 1991-04-25 | 1992-11-11 | 積水化成品工業株式会社 | Panel assembly structure |
JP2018162367A (en) * | 2017-03-24 | 2018-10-18 | トヨタ自動車株式会社 | Metal laminated structure |
-
1981
- 1981-05-01 JP JP56065174A patent/JPS57180683A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04123903U (en) * | 1991-04-25 | 1992-11-11 | 積水化成品工業株式会社 | Panel assembly structure |
JP2018162367A (en) * | 2017-03-24 | 2018-10-18 | トヨタ自動車株式会社 | Metal laminated structure |
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