Case Study Livia Tizzo, Process Control and Automation Engineer, BraskemCHALLENGE • Variability in product quality • High energy usage and utilities spend • Excess reflux • Limited internal advanced process control (APC) resources SOLUTION Implemented Aspen DMC3 TM on cold end units of ethylene site to reduce variations in quality and energy usage. Used Adaptive Process Control within Aspen DMC3 to deploy controllers in just two weeks to start accruing benefits immediately. While benefits accrued, data was simultaneously collected in the background to keep models aligned with unavoidable changing process conditions. BENEFITS • Lowered energy usage by 20 percent, increased production rates and reduced process variability • Implemented with existing internal resources and ove

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