hydrogen; cobalt/diatomaceous earth catalyst "G67", cobalt content=56percent; pretreatment is given in full text in 1,2,4-trimethyl benzene; ammonia T=100°C; 50 h; Product distribution / selectivity;
hydrogen; Ni(NO3)2, Cu(NO3)2, Cr(NO3)3, Na2CO3; calcined at 380 deg C for 18 h; pretreatment is given in full text in 1,2,4-trimethyl benzene; ammonia T=80°C; 24 h; Product distribution / selectivity;