GB423592A - Improvements in and relating to the manufacture of sodium carbonate decahydrate - Google Patents
Improvements in and relating to the manufacture of sodium carbonate decahydrateInfo
- Publication number
- GB423592A GB423592A GB2152633A GB2152633A GB423592A GB 423592 A GB423592 A GB 423592A GB 2152633 A GB2152633 A GB 2152633A GB 2152633 A GB2152633 A GB 2152633A GB 423592 A GB423592 A GB 423592A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magma
- sodium carbonate
- temperature
- carbonate decahydrate
- sodium
- 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
- C01D7/38—Preparation in the form of granules, pieces or other shaped products
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Solid compositions consisting essentially of sodium carbonate decahydrate are prepared by obtaining a uniform magma approximating in composition to sodium carbonate decahydrate of which the solid phase consists essentially of sodium carbonate heptahydrate, with or without some decahydrate, and which accordingly has a temperature of 32--35 DEG C., forming the magma into shapes, e.g. by pouring into moulds or by extrusion and cutting, and rapidly cooling the magma to a temperature substantially below 32 DEG C., during or immediately after forming. The final shaped bodies may contain some of the heptahydrate. Some sodium bicarbonate may be introduced into the initial mixture and additional detergent substances such as soap, sodium phosphate or sodium aluminate may be added at any convenient stage. The magma may be obtained within the specified temperature range by rapidly cooling from a higher temperature a liquid or magma of the necessary composition, for example a mixture of soda ash and water may be brought into the stable range of the p monohydrate, that is above 35 DEG C., prior to adjusting the temperature within the range 32--35 DEG C. The preparation may be carried out continuously by adding the required quantities of the initial ingredients to a large quantity of the hot stirred magma, from which the corresponding quantities are withdrawn for cooling to 32--35 DEG C. followed by shaping and further cooling as above described. Finely ground sodium carbonate decahydrate crystals may be added to the magma at 32 DEG C. to modify the consistency. The magma may also be prepared by melting sodium carbonate decahydrate crystals. Specification 232/02, [Class 1], is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2152633A GB423592A (en) | 1933-07-31 | 1933-07-31 | Improvements in and relating to the manufacture of sodium carbonate decahydrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2152633A GB423592A (en) | 1933-07-31 | 1933-07-31 | Improvements in and relating to the manufacture of sodium carbonate decahydrate |
Publications (1)
Publication Number | Publication Date |
---|---|
GB423592A true GB423592A (en) | 1935-01-31 |
Family
ID=10164396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2152633A Expired GB423592A (en) | 1933-07-31 | 1933-07-31 | Improvements in and relating to the manufacture of sodium carbonate decahydrate |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB423592A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3231770A1 (en) * | 2016-04-13 | 2017-10-18 | Solvay SA | Extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulation using a dissolved functionalizing agent |
-
1933
- 1933-07-31 GB GB2152633A patent/GB423592A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3231770A1 (en) * | 2016-04-13 | 2017-10-18 | Solvay SA | Extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulation using a dissolved functionalizing agent |
WO2017178625A1 (en) * | 2016-04-13 | 2017-10-19 | Solvay Sa | Extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a dissolved functionalizing agent |
CN109195913A (en) * | 2016-04-13 | 2019-01-11 | 索尔维公司 | Functionalized reagent for using dissolution prepares the extrusion method of alkali carbonate, bicarbonate and sesquicarbonate preparation |
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