Phenol/acetone cogeneration via solid acid catalysis

Add time:08/11/2019    Source:sciencedirect.com

Phenol/acetone cogeneration via cumene hydroperoxide (CHP) cleavage has been demonstrated using various classes of novel solid acid catalysts. Mineral acid-treated montmorillonite silica-alumina clays, heteropoly acids impregnated into Group IV oxide supports, fluorophosphoric acid and HF-treated oxides, as well as montmorillonite clays modified with heteropoly acids or certain Lewis acids, are each effective. The influence of solid acid structure upon phenol yields has been examined while minimizing by-product acetophenone, 2-methylstyrene, 2-phenyl-2-propanol, mesityl oxide formation, etc. For the more promising candidates, decomposition of 80% CHP solutions in continuous, plug-flow reactor systems, under mild conditions (ca. 60°C at LHSVs≈10) has been realized.

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