From ethylene to propylene

Japan’s Mitsui Chemicals Inc will transform its ethylene centre in Osaka into a propylene centre. Currently, Mitsui’s Osaka naphtha cracker has the capacity to produce 450,000 mt/yr of ethylene, 280,000 mt/yr of propylene, and 170,000 mt/yr of crude C4. The change would entails building an Olefins Conversion Unit at the site, based on process technology from ABB Lummus Global. The OCU would produce 140,000 mt/yr of propylene output from 40,000 mt/yr of ethylene and 100,000 mt/yr of butylene input. Mitsui plans to complete construction of the unit by August 2004, and the unit is expected to achieve commercial production by the beginning of 2005, a company official said.





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