Successful start up of Sichuan Shengda’s 1 mln mtpa purified terephthalic acid (PTA) plant


The technology and licensing group of Invista, INVISTA Performance Technologies (IPT), Sichuan Shengda Chemical New Material Co. and Sichuan Energy Investment Chemical New Material Co., Ltd (Sichuan Energy) announced the successful startup of Sichuan Shengda’s purified terephthalic acid (PTA) plant. On-Specification production was achieved on May 24, 2019.

This plant, located in Nanchong, Sichuan province, utilizes Invista’s proprietary P7 PTA process technology, with a nameplate capacity of 1 million metric tpa. This plant also uses INVISTA’s proprietary R2R technology for production of benzoic acid as co-product.

Mike Pickens, IPT President, commented, “I congratulate Sichuan Shengda and Sichuan Energy on the successful start-up. I am appreciative of the collaborative efforts of Sichuan Shengda, Sichuan Energy and the INVISTA commissioning team. With this start-up, IPT and our licensees have now successfully commissioned 7 PTA projects totalling over 11 million metric tons per year capacity since 2015.”

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