Author Archive | Greg McMillan


Simple Strategies for Maximizing Biopharmaceutical Product Quality

Bioreactor batches can take days or weeks to complete. Each batch may be worth millions of dollars. Preventing bad batches and achieving repeatable high quality product is critical. The use of key PID features, tuning objectives and feedforward control can meet the stringent requirements for biopharmaceutical production. Interaction between DO and pH control can be […]

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Simple Strategies for Optimizing Ethanol Plants

Corn is the highest cost factor in ethanol production. The addition of three PID controllers in an ethanol plant can improve yield and the ability to match front end production to back end purification. These controllers can make the most out of online and off-line analyzers providing recognition and reduction of the sources of variability. […]

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