Processes for purified terephthalic acid (PTA) Johnson Matthey

Purified Terephthalic Acid (PTA) is a key raw material in the manufacture of polyester fibre, resin and film.  Johnson Matthey and The Dow Chemical Company recently collaborated on a joint programme to significantly upgrade the COMPRESSTM PTA process to reduce investment and operating costs, improve product quality and reduce the environmental impact of the process; all essential for success in today’s polyester industry.

Find out more about the PTA process

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