Preparation and study of the surface Acidic properties and testing of the Catalytic Activity of Al2O3-CdO Catalysts

Abstract

The Al₂O₃-CdO catalyst was prepared by mechanically bonding alumina gel, prepared by adding ammonia to a molar solution of aluminum nitrate (pH = 6), with the addition of cadmium nitrate      (pH = 6), to achieve an Al₂O₃-CdO ratio of 0.05/1.0 to 1.0/0.05. The resulting product was then dried in a drying oven at 120°C, and the prepared solution was calcined at 500°C. The overall surface preparation of the specimens was regulated by the potential regeneration method of the catalyst suspension in acetonitrile using 0.005M butylamine in acetonitrile. The surface of the specimens prepared on alumina exhibited strong leaching and leaching properties of AC6 and AC7, while the remaining specimens exhibited very strong leaching properties, as demonstrated by the IR spectra of pyridine adsorbed on the prepared catalysts using a Brønsted-Lewis brush. The catalytic activity of the prepared phosphates was tested in the decarboxylation reaction of isopropanol and propane, resulting in the only product with 100% selectivity over AC1, AC2, and AC3.