Influence of Nitrogen-Content on the Acid-Base Properties of Aluminophosphate Oxynitrides

Massinon A; Odriozola JA; Bastians P; Conanec R; Marchand R; Laurent Y; Grange P

Applied Catalysis A: General, Vol.137, No.1, 9-23, 1996

DOI10.1016/0926-860X(95)00255-3 Export Citation

Influence of Nitrogen-Content on the Acid-Base Properties of Aluminophosphate Oxynitrides

Massinon A, Odriozola JA, Bastians P, Conanec R, Marchand R, Laurent Y, Grange P

Novel basic catalysts with high specific surface areas have been synthesized by activation under ammonia of an aluminophosphate oxide precursor. The nitrogen content as well as the acid-base properties depend on both time and temperature of nitridation. The conversion and reaction rate in Knoevenagel condensation are related to the nitrogen content.

Keywords:AREA SILICON OXYNITRIDE;SURFACE-AREA;CATALYTIC PROPERTIES;METAL-OXIDES;ZEOLITES;CONDENSATION;MOLYBDENUM;NITRIDES;ALKALI;BENZALDEHYDE