GB199667A - A process for the dissociation of aluminiferous substances in combination with the fixation of nitrogen - Google Patents
A process for the dissociation of aluminiferous substances in combination with the fixation of nitrogenInfo
- Publication number
- GB199667A GB199667A GB3013322A GB3013322A GB199667A GB 199667 A GB199667 A GB 199667A GB 3013322 A GB3013322 A GB 3013322A GB 3013322 A GB3013322 A GB 3013322A GB 199667 A GB199667 A GB 199667A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkaline earth
- iron
- carbides
- sulphate
- carbonate
- 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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
- C01B21/0726—Preparation by carboreductive nitridation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
A mixture of aluminoferrous material such as clay, bauxite or alunite and an alkaline earth compound such as barium or calcium oxide, hydroxide, carbonate or sulphate in considerable quantity together with iron or an iron ore and with or without fluxes such as alkaline earth chlorides, fluorides or carbides or sodium chloride, is fused in an electric furnace and the product after cooling and grinding is heated in nitrogen, with or without pressure, the reaction being exothermic. The fusion process produces a mixture of carbides and alkaline earth aluminate which readily separates from the ferro silicon produced from the iron and the reduced silica. The nitrogenized product is treated with water or with a solution of for instance alkali hydrate, carbonate or sulphate with or without pressure to obtain ammonia and aluminate and regenerate the alkaline earth compound employed. The aluminous material and the alkaline earth compound employed may be calcined prior to the fusion so as to remove volatile matter such as carbon dioxide, sulphur dioxide and alkalies.ALSO:A mixture of aluminiferous material such as clay, bauxite or alunite and an alkaline earth compound such as barium or calcium oxide, hydroxide, carbonate or sulphate in considerable quantity together with iron or an iron ore and with or without fluxes such as alkaline earth chlorides, fluorides or carbides or sodium chloride, is fused in an electric furnace and the product after cooling and grinding is heated in nitrogen, with or without pressure, the reaction being exothermic. The fusion process produces a mixture of carbides and alkaline earth aluminate which readily separates from the ferro-silicon produced from the iron and the reduced silica. The nitrogenized product is treated with water or with a solution of, for instance, alkali hydrate carbonate or sulphate with or without pressure to obtain ammonia and aluminate and regenerate the alkaline earth compound employed. The aluminous material and the alkaline earth, compound employed may be calcined prior to the fusion so as to remove volatile matter such as carbon dioxide, sulphur dioxide and alkalies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3013322A GB199667A (en) | 1922-11-03 | 1922-11-03 | A process for the dissociation of aluminiferous substances in combination with the fixation of nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3013322A GB199667A (en) | 1922-11-03 | 1922-11-03 | A process for the dissociation of aluminiferous substances in combination with the fixation of nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB199667A true GB199667A (en) | 1923-06-28 |
Family
ID=10302824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3013322A Expired GB199667A (en) | 1922-11-03 | 1922-11-03 | A process for the dissociation of aluminiferous substances in combination with the fixation of nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB199667A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010099780A3 (en) * | 2009-03-03 | 2010-12-09 | Bijam Biosciences Private Limited | Method for producing ammonia |
| WO2011104387A1 (en) * | 2010-02-26 | 2011-09-01 | Spawnt Private S.À.R.L. | Process for preparing urea |
-
1922
- 1922-11-03 GB GB3013322A patent/GB199667A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010099780A3 (en) * | 2009-03-03 | 2010-12-09 | Bijam Biosciences Private Limited | Method for producing ammonia |
| CN102365231A (en) * | 2009-03-03 | 2012-02-29 | 斯帕恩特私人有限公司 | Method for producing ammonia |
| CN102365231B (en) * | 2009-03-03 | 2014-03-26 | 斯帕恩特私人有限公司 | Method for producing ammonia |
| WO2011104387A1 (en) * | 2010-02-26 | 2011-09-01 | Spawnt Private S.À.R.L. | Process for preparing urea |
| US20130116472A1 (en) * | 2010-02-26 | 2013-05-09 | Spawnt Private S.A.R.L. | Process for preparing urea |
| JP2013520477A (en) * | 2010-02-26 | 2013-06-06 | スポーント・プライベート・エス・ア・エール・エル | Urea production method |
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