September 2000

Process Technology

Optimize EO/EG operations

To raise plant capacity, the design team investigated several options that increased oxygen supply

Jung, K. W., Lee, S., Samsung General Chemicals

At the Samsung General Chemicals' Seosan complex, ethylene oxide (EO) and ethylene glycol (EG) are produced from two raw materials - ethylene and oxygen. This plant's original design capacity of 80,000 mtpy (80 Mmtpy) of EO equivalent (EOE) was increased to 100 Mmtpy EOE - 125% of design capacity. To reach this processing goal, more oxygen was needed. A design team investigated several options to provide sufficient oxygen for the process. To meet new oxygen demands, a liquid oxygen vaporization system was installed; other retrofits were implemented that removed process bottlenecks. This case history describes important des

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