27 Feb 2026
Abstract
High pressure autoclave (HPA) is used for high-pressure and high-temperature chemical reactions like hydrolysis, alkylation, amination, bromination, carboxylation, catalytic reduction, chlorination, dehydrogenation, esterification, ethoxylation, halogenation, hydrogenation, methylation, nitration, oxidation, ozonization, polymerization, sulphonation. Chemical recycling by hydrolysis of Polyethylene Terephthalate (PET) waste was studied at different temperatures and autogeniuos pressures were recorded. Temperature and pressure have been optimised for maximum conversion of PET to TPA. The product obtained is characterised by recording FTIR and melting point.
