April 2017

Process Engineering

Enhancements in EO/EG production technology

The markets for ethylene oxide (EO) and ethylene glycol (EG) continue to see attractive growth. This means that at least one or two new plants will need to be constructed every year if the industry is to meet forecast demand.

Van Milligen, H., Shell Global Solutions International BV; VanderWilp, B., Wells, G., CRI Catalyst Co.

The markets for ethylene oxide (EO) and ethylene glycol (EG) continue to see attractive growth. This means that at least one or two new plants will need to be constructed every year if the industry is to meet forecast demand. To unlock capacity increases economically, new capital-efficient processes, higher-performance catalysts and continuous process optimization will be paramount. These aspects are considered here, beginning with a look at the innovations and technological achievements that brought the industry to where it is today. Background and early history of EO catalysts EO is produced by reacting ethylene with oxygen (O2) over a silver-based catalyst. These EO catalysts are chara

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