GB282755A - Improvements in or relating to the manufacture of sulphate of ammonia and cement - Google Patents
Improvements in or relating to the manufacture of sulphate of ammonia and cementInfo
- Publication number
- GB282755A GB282755A GB34688/27A GB3468827A GB282755A GB 282755 A GB282755 A GB 282755A GB 34688/27 A GB34688/27 A GB 34688/27A GB 3468827 A GB3468827 A GB 3468827A GB 282755 A GB282755 A GB 282755A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cement
- sulphate
- kaolin
- clay
- carbon dioxide
- 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
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
- C01C1/244—Preparation by double decomposition of ammonium salts with sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
282,755. Soc. Anon. de MatÚriel de Construction. Dec. 29, 1926, [Convention date]. Void [Published under Sect, 91 of the Acts]. Cements, Portland, materials and compositions for.-The decomposition of calcium sulphate by ammonium carbonate to form ammonium sulphate and calcium carbonate is carried out in presence of clay, kaolin, bauxite or other substances containing silica, alumina and oxide of iron, so that the pasty residue after separation of ammonium sulphate solution is suitable for making Portland cement. A mixture with water of gypsum, clay, kaolin, &c. is treated with ammonia gas or mixed with ammoniacal liquor, and carbon dioxide under pressure is passed through. The temperature is maintained preferably at 34-45‹ C. at the commencement and is regulated so as not to rise above 75‹ C. Carbon dioxide recovered in the making of cement may be used again in the process.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR282755X | 1926-12-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB282755A true GB282755A (en) | 1928-09-06 |
Family
ID=8886975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB34688/27A Expired GB282755A (en) | 1926-12-29 | 1927-12-22 | Improvements in or relating to the manufacture of sulphate of ammonia and cement |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB282755A (en) |
-
1927
- 1927-12-22 GB GB34688/27A patent/GB282755A/en not_active Expired
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