August 2014

Special Report: Fluid Flow and Rotating Equipment

Improve compressor reliability with advanced chemical treatments

Although many olefin plants are making big investments in hardware and metallurgy to improve compressor performance and to extend run lengths, the reliability, efficiency and throughput capacity of the CGC are still key influences on plant profitability.

The cracked gas compressor (CGC) is the critical system in modern ethylene plants. This compressor drives gases from the crackers for downstream separation. Few plants can afford the luxury of backup compressor trains. Any downtime or reduced capacity of the CGC negatively impacts olefin facility profits. Under this highly competitive environment, even fewer ethylene operators can afford the thousands or even millions of dollars per day in lost revenues due to unplanned shutdowns to clean and repair CGCs. Significant design advancements have developed more robust systems. Although many olefin plants are making substantial investments in hardware and metallurgy to improve compressor performa

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