ExxonMobil’s polypropylene technology is the result of decades of innovation, combining and refining elements from leading industry processes. The technology draws on the Mitsui Hypol (loop reactor) and Montell (now LyodellBasell) Spheripol (gas-phase) systems, integrating them into a proprietary hybrid process.

Singapore Integrated Complex:

• The ExxonMobil Singapore site operates two polypropylene trains, with a capacity of respectively 480 kTA and 450 KTA for a combined PP capacity of 930 kTA.
• Both trains use the described proprietary slurry-gas phase hybrid technology.
• The Singapore PP units are fully integrated with the site's refinery and chemical operations, supporting a broad product slate and efficient logistics.

Baton Rouge, Louisiana:

• In 2023, ExxonMobil commissioned a 450 kTA polypropylene unit in Baton Rouge, doubling the site’s PP capacity and demonstrating the scalability of the technology.

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