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PTA 4th largest plant started in China

World's 'Largest' PTA Site in China  Beijing Hengli Petrochemical (Dalian) Co. announced the successful start-up of its fourth purified terephthalic acid (PTA) line at Changxing Island, Dalian City, Liaoning Province, China, making the site the "largest" PTA site in the world.

The 2.5-million-t/y line is based on Invista's latest P8 PTA technology.  A fifth PTA line, identical to the fourth, is currently under construction and expected to start up around the middle of 2020.

Hengli also operates another three PTA lines on the same site, each with a capacity of 2.2-million t/y, using Invista's P7 PTA technology.