Lower duty need not mean lower total cost. Convexity and global-solution assumptions govern bound claims.
Chapter-level engineering discussion by José A. Caballero and Ignacio E. Grossmann; paraphrase of printed pp. 450–473.
Distillation optimization combines discrete structure choices with continuous operating decisions. Nonconvex formulations depend on initialization and bounds; thermodynamically equivalent arrangements may differ operationally.
473
450
Chapter 11: Optimization of Distillation Processes. Printed pages; chapter begins at original PDF 451.
Paraphrase checked against the supplied PDF text. Verification establishes source fidelity, not independent validation of every author claim or numerical equation.
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Evidence
Distillation optimization combines discrete structure choices with continuous operating decisions. Nonconvex formulations depend on initialization and bounds; thermodynamically equivalent arrangements may differ operationally.
Location and context
José A. Caballero and Ignacio E. Grossmann. Optimization of Distillation Processes, printed pp. 450–473. Chapter original PDF pages 451–510. This is an original paraphrase, not a quotation.
Annotation
Lower duty need not mean lower total cost. Convexity and global-solution assumptions govern bound claims.
Verification
Source text checked; locator and source relation present. Source fidelity is verified, not every underlying claim independently established.
