GB912893A - Improvements in and relating to the crystallization of sodium bicarbonate and sodiumsesquicarbonate - Google Patents
Improvements in and relating to the crystallization of sodium bicarbonate and sodiumsesquicarbonateInfo
- Publication number
- GB912893A GB912893A GB2438460A GB2438460A GB912893A GB 912893 A GB912893 A GB 912893A GB 2438460 A GB2438460 A GB 2438460A GB 2438460 A GB2438460 A GB 2438460A GB 912893 A GB912893 A GB 912893A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- ppm
- carbon atoms
- taurate
- sulphonate
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/22—Purification
- C01D7/24—Crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Sodium bicarbonate or sodium sesquicarbonate is crystallized from an aqueous solution in the presence of 5 to 800 ppm. of an anionic active surface active agent (surfactant), the surfactant being an alkyl benzene or alkyl naphthalene sulphonate in which the alkyl carbon atoms total at least four, an N-organic substituted taurate of formula R1R11NCH2CH2SO3M where R1 is a hydrocarbon radical, M is an alkali metal, and R11 is a fatty acid group of at least 8 carbon atoms, or a primary alcohol sulphate containing at least 8 carbon atoms. For the crystallization of the sesquicarbonate the preferred surfactant concentration is 5-20 ppm., while for the bicarbonate 40-400 ppm. is preferred. A large number of surfactants are exemplified, those in the specific examples being dodecyl benzene sodium sulphonate, butyl naphthalene sodium sulphonate, sodium lauryl sulphate, sodium-N-methyl-N-oleyl taurate, and sodium-N-cyclohexyl-N-palmityl taurate. Specification 30170/48 open to inspection under Section 91.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2438460A GB912893A (en) | 1960-07-13 | 1960-07-13 | Improvements in and relating to the crystallization of sodium bicarbonate and sodiumsesquicarbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2438460A GB912893A (en) | 1960-07-13 | 1960-07-13 | Improvements in and relating to the crystallization of sodium bicarbonate and sodiumsesquicarbonate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB912893A true GB912893A (en) | 1962-12-12 |
Family
ID=10210902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2438460A Expired GB912893A (en) | 1960-07-13 | 1960-07-13 | Improvements in and relating to the crystallization of sodium bicarbonate and sodiumsesquicarbonate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB912893A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10398652B2 (en) | 2012-12-21 | 2019-09-03 | Solvay Sa | Sodium bicarbonate particles manufactured by atomization |
| CN113292084A (en) * | 2021-05-17 | 2021-08-24 | 昆明理工大学 | Nano sodium bicarbonate powder and preparation method thereof |
-
1960
- 1960-07-13 GB GB2438460A patent/GB912893A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10398652B2 (en) | 2012-12-21 | 2019-09-03 | Solvay Sa | Sodium bicarbonate particles manufactured by atomization |
| CN113292084A (en) * | 2021-05-17 | 2021-08-24 | 昆明理工大学 | Nano sodium bicarbonate powder and preparation method thereof |
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