Sustainable Plantwide Optimizing Control for an Acrylic Acid Process.

Designing and implementing sustainable plant‑wide optimal control for complex chemical plants is a major challenge in today’s process engineering. This work looks at hierarchical control schemes for a full‑scale acrylic‑acid plant. The approach combines steady‑state economic optimization with fast, dynamic regulation. The goal is to cut environmental impact and energy use while keeping product quality and safety within limits. Using plant‑wide control design methods, the scheme links the reaction section with the separation section, handling their interactions explicitly. Simulations are used to build and test control structures that can cope with feed disturbances, catalyst deactivation, and changes in utility prices. The detailed process models evaluate the design on three fronts:

economic performance, carbon‑footprint reduction, and stability of the transient response. The project provides a step‑by‑step method for comparing plant‑wide control options. It also gives practical advice on tying real‑time optimization to model‑predictive‑control layers, helping acrylic‑acid production run more sustainably.

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