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On the relative influence of the hydrodynamics of lab-scale set-ups and the membrane materials on the rejection of homogeneous metal catalysts in solvent resistant nanofiltration

Abstract : Solvent resistant nanofiltration is a promising process for homogeneous metal catalyst recovery. However, catalyst rejections are determined using various set-ups with different hydrodynamics, which questions the comparison of the results. The analysis of the membrane performance is another issue even when comparing membranes made of the same material. This study compares the hydrodynamics of three experimental set-ups. Rejections from 57.8 to 80.8% between cross-flow and dead-end SRNF are observed with a Rh catalyst (MW = 258 g center dot mol(-1)) in toluene. A high throughput screening system is used to analyze the performance of a set of membranes in terms of permeate fluxes and catalyst rejections.
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Submitted on : Thursday, February 13, 2020 - 10:52:26 AM
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Antoine Lejeune, Murielle Rabiller-Baudry, Ivo F. J. Vankelecom, Thierry Renouard. On the relative influence of the hydrodynamics of lab-scale set-ups and the membrane materials on the rejection of homogeneous metal catalysts in solvent resistant nanofiltration. Separation Science and Technology, Taylor & Francis, In press, pp.1-13. ⟨10.1080/01496395.2019.1706573⟩. ⟨hal-02438535⟩

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