High-Flux Thin Film Composite PIM-1 Membranes for Butanol Recovery: Experimental Study and Process Simulations
Source abstract
Abstract
Thin film composite (TFC) membranes of the prototypical polymer of intrinsic microporosity (PIM-1) have been prepared by dip-coating on a highly porous electrospun polyvinylidene fluoride (PVDF) nanofibrous support. Prior to coating, the support was impregnated in a non-solvent to avoid the penetration of PIM-1 inside the PVDF network. Different non-solvents were considered and the results were compared with those of the dry support. When applied for the separation of n-butanol/water mixtures by pervaporation (PV), the developed membranes exhibited very high permeate fluxes, in the range of 16.1–35.4 kg m–2 h–1, with an acceptable n-butanol/water separation factor of about 8. The PV separation index (PSI) of the prepared membranes is around 115, which is among the highest PSI values that have been reported so far. Hybrid PV-distillation systems have been designed and modeled in Aspen HYSYS using Aspen Custom Modeler for setting up the PIM-1 TFC and commercial PDMS membranes as a benchmark. The butanol recovery cost for the hybrid systems is compared with a conventional stand-alone distillation process used for n-butanol/water separation, and a 10% reduction in recovery cost was obtained.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Membrane Separation and Gas Transport · Membrane Separation Technologies · Fuel Cells and Related Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Structure of Matter, Thermal Physics and Electronics, Faculty of Physics, University Complutense of Madrid, Avda. Complutense s/n, 28040 Madrid, Spain
Department of Chemical Engineering and Analytical Science, School of Engineering, The University of Manchester, Oxford Road, M13 9PL Manchester, U.K.
Department of Chemistry, School of Natural Sciences, The University of Manchester, Oxford Road, M13 9PL Manchester, U.K.
Madrid Institute for Advanced Studies of Water (IMDEA Water Institute), Avda. Punto Com No 2, Alcalá de Henares, 28805 Madrid, Spain
Nanoscience and Materials Institute of Aragón (INMA) CSIC-Universidad de Zaragoza, C/Mariano Esquillor s/n, 50018 Zaragoza, Spain
Chemical and Environmental Engineering Department, Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
Funding
University of Manchester · Ministerio de Ciencia, Innovaci??n y Universidades · Ministerio de Econom??a y Competitividad · European Social Fund
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