Abstract
We evaluated dose-response control for photo-Fenton degradation under 25% oxidant variability. A deterministic paired simulation generated 64 cases and preserved a rare-condition slice. Mean conversion stability changed from 0.476 to 0.513; the paired difference was +0.037 (95% interval +0.035 to +0.039). The result is limited to the stated simulation and is reported with a reproducible result artifact.
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