Fine-tune ethylene unit startups
Advanced modeling methods provide useful information on operating main compressor system and feeds
The cracked-gas compressor (CGC) system is one of the most
important and valuable operating compressor systems within
ethylene plants. Any deterioration of the CGC unit can result
in significant operating difficulties within the entire plant;
thus causing severe economic losses. In this example, a
rigorous pressure-driven dynamic simulation (DS) model is used
to examine and to improve the CGC operating performance during
plant startup. A real-case study demonstrates the efficacy of
this proposed methodology.
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