Author: Ahmad Saylam
Document type: Technical Paper
Year: 2026
Zenodo record: https://zenodo.org/records/20593905
Many process-intensification technologies show strong laboratory activity but fail to create industrial value after energy demand, chemical use, pressure drop, separation burden, fouling, maintenance, product quality, and reliability are included. A further source of failure is treating a technology family as a single interchangeable option, although different concepts, device classes, commercial designs, and operating envelopes may produce materially different physical and chemical effects. This paper proposes an energy-normalized, regime-based engineering framework for deciding when a specifically defined candidate technology or process module is industrially useful within a complete flowsheet.
The framework defines the Industrial Usefulness Window as the operating domain in which useful process benefit remains positive relative to a reference case after measurable penalties, uncertainty, and reliability constraints are included. It separates dimensional engineering performance indicators from normalized decision indices, including energy-normalized performance metrics and the Technology Net Benefit Index. The framework requires selection of the technology concept and design that best match the dominant process bottleneck, followed, where necessary, by process-specific adaptation of geometry, materials, operating conditions, and integration strategy.
Hydrodynamic cavitation is used as the main case study because it clearly distinguishes physical activity from industrial usefulness. Venturi, orifice, nozzle, vortex, passive shaped-flow-element, and rotary HC concepts differ in hydrodynamics, operating envelopes, and process effects. HC is most defensible when the selected device removes bottlenecks in micromixing, interfacial mass transfer, dispersion, oxidant utilization, controlled disruption, or pretreatment.
It is weak when the limiting factor is thermodynamic equilibrium, refractory mineralization, unavoidable separation, product instability, material damage, or poor operability. The central conclusion is that HC should be selected and, when required, adapted as an integrated reaction–transport–separation intensification module, not adopted as a generic stand-alone treatment or conversion technology.
PDF link will be activated after the final PDF is uploaded: hydrodynamic-cavitation-industrial-usefulness.pdf
Saylam, A. (2026). Industrial Usefulness and Technology Selection in Process Intensification: Energy-Normalized Metrics for Hydrodynamic Cavitation. Zenodo. https://doi.org/10.5281/zenodo.20593905