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Membrane distillation (MD) and membrane crystallization (MCr) have been applied for treatment of real industrial wastewater to produce high quality sodium sulfate. Simultaneously, MD and MCr minimize waste disposal and generate a fresh water stream. Untreated and wastewater pre-concentrated by nanofiltration have been utilized in MD and MCr under several operative conditions. The untreated wastewater...
Mixing efficiency of three Hartridge–Roughton mixers with different geometries is characterized by a segregation index measured via the Villermaux/Dushman test reaction and by Computational Fluid Dynamics. The small values of the segregation index (always lower than 0.025 for the concentrations and the flow rate studied) confirm these vortex mixers achieve very good mixing performance. The use of...
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