JPS53120698A - Purification method of caustic soda obtained from diaphragm method - Google Patents
Purification method of caustic soda obtained from diaphragm methodInfo
- Publication number
- JPS53120698A JPS53120698A JP3635377A JP3635377A JPS53120698A JP S53120698 A JPS53120698 A JP S53120698A JP 3635377 A JP3635377 A JP 3635377A JP 3635377 A JP3635377 A JP 3635377A JP S53120698 A JPS53120698 A JP S53120698A
- Authority
- JP
- Japan
- Prior art keywords
- caustic soda
- diaphragm
- naoh
- soda obtained
- purification
- 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
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
PURPOSE: To prepare NaOH,2H2O with a high purity in a high yield, by separating off roughly salt crystals from a conc. crude NaOH soln., separating off NaOH,2H2O crystals in a purifying process and circulating a mother liquor contg. fine salt crystals to a concentrating process.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3635377A JPS53120698A (en) | 1977-03-31 | 1977-03-31 | Purification method of caustic soda obtained from diaphragm method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3635377A JPS53120698A (en) | 1977-03-31 | 1977-03-31 | Purification method of caustic soda obtained from diaphragm method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53120698A true JPS53120698A (en) | 1978-10-21 |
Family
ID=12467464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3635377A Pending JPS53120698A (en) | 1977-03-31 | 1977-03-31 | Purification method of caustic soda obtained from diaphragm method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53120698A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864534A1 (en) * | 1997-03-13 | 1998-09-16 | Basf Aktiengesellschaft | Process for the purification of sodium hydroxide solution |
-
1977
- 1977-03-31 JP JP3635377A patent/JPS53120698A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0864534A1 (en) * | 1997-03-13 | 1998-09-16 | Basf Aktiengesellschaft | Process for the purification of sodium hydroxide solution |
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