Method for producing ammonia

Details Method for producing ammonia Method for producing ammonia

C - Chemistry, Metallurgy

01

B

C01B 21/068 (2006.01) C01B 21/072 (2006.01) C01C 1/02 (2006.01)

Patent

CA 2754267

The invention relates to a method for producing ammonia. Using SiO2 and/or Al2O3 or SiO2- and/or AI2O3-containing material, silicon nitride and/or aluminum nitride is obtained, which is reacted with water in the presence of a basic alkali and/ or earth alkali metal compound at an elevated temperature to form ammonia and alkali and/or earth alkali metal silicates. The method enables particularly effective utilization of natural resources.

L'invention concerne un procédé de production d'ammoniac. Selon ce procédé, du nitrure de silicium et/ou du nitrure d'aluminium est obtenu à partir de SiO2 et/ou d'Al2O3 ou d'une matière contenant du SiO2 et/ou de l'Al2O3, ce nitrure étant mis en réaction avec de l'eau en présence d'un composé basique de métaux alcalins et/ou alcalinoterreux à une température élevée pour former de l'ammoniac et des silicates de métaux alcalins et/ou alcalinoterreux. Le procédé selon l'invention permet d'exploiter les ressources naturelles de manière particulièrement efficace.

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