INTERNATIONAL BRIEFS

TUNTEX PETROCHEMICALS INC. will start up a $1.7 million catalytic oxidation system designed for halogenated hydrocarbons at a 285,000 metric ton/year purified terephthalic acid plant being built in Taiwan. The system, designed and fabricated by CSM Environmental Systems Inc., Brooklyn, N.Y., uses Allied-Signal Inc.'s halohydrocarbon destruction catalyst to eliminate volatile organic compounds and carbon monoxide in the presence of halogens.