Process for the preparation of sialon products

Details Process for the preparation of sialon products Process for the preparation of sialon products

C - Chemistry, Metallurgy

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B

261/1, 252/37

C04B 35/58 (2006.01) B01J 21/18 (2006.01) B01J 29/08 (2006.01) B01J 29/40 (2006.01) B01J 29/70 (2006.01) B01J 37/08 (2006.01) C01B 21/082 (2006.01) C04B 35/597 (2006.01)

Patent

CA 1298319

T 212 A B S T R A C T PROCESS FOR THE PREPARATION OF SIALON PRODUCTS The invention relates to a process for the preparation of sialon products by mixing zeolites with carbon or a carbon-containing compound and subjecting the obtained mixture to a carbothermic reduction in a nitrogen containing, flowing gas at a temperature in the range of 1350-1700 °C and to sialon products, having an average nitrogen content in the bulk of 25-31% by weight and an active surface of 1-15 m2/g (measured according to the BET method) and to shaped ceramic materials and catalyst carriers therefrom.

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