June 2002

Trends and Resources

HP Innovations: HPInnovations

New propylene source developed Lurgi and Süd-Chemie have introduced a new propylene technology - Propylur. This process can use various feedstocks such as light naphtha or gasoline from..

New propylene source developed Lurgi and Süd-Chemie have introduced a new propylene technology - Propylur. This process can use various feedstocks such as light naphtha or gasoline from FCC units or selectively hydrogenated C4 / C5 cuts from steam crackers or FCC units. The C4+ olefins - referred to as convertibles - contained in the feed are reacted to propylene, ethylene and some butenes. The nonconvertible compounds pass through the system and are typically paraffins, aromatics and cyclic alkanes. Nearly 85% of the convertibles are reacted to 30% butenes, 10% ethylene and 40 - 45% propylene. This conversion

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