abstract |
A molded catalyst for production ofntriethylenediamine, wherein (1) the main components arensilica and crystalline aluminosilicate, (2) the silica isnamorphous, and the content of the silica is from 5 to 70nwt%, (3) the molar ratio of silica to alumina in thencrystalline aluminosilicate is at least 12, and thencontent of the crystalline aluminosilicate is from 30 ton95 wt%, and (4) the hardness is at least 1 kg. |