Formation of Dispersed Carbon in the Course of Chlorination with CCl4 Vapor of γ-Al2O3 Surface

摘要

The =Al-Cl surface groups of γ-Al2O3 are known as more reactive towards the nucleophilic agents (water, alcohols) than the =Al-OH groups [1, 2]. The common method of generation of Cl groups on the inorganic matrix surface (for instance, silica) is reaction (1) with CCl4, vapor at 200-400°C in dry argon stream [3].