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<identifier>oai:HAL:hal-01683220v1</identifier>
<datestamp>2018-01-16</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Vacuum-assisted tailoring of pore structures of phenolic resin derived carbon membranes</title>
<creator>Abd Jalil, Siti Nurehan</creator>
<creator>Wang, David K.</creator>
<creator>Yacou, Christelle</creator>
<creator>Motuzas, Julius</creator>
<creator>Smart, Simon</creator>
<creator>Diniz da Costa, João C.</creator>
<contributor>Chimie des Matériaux - Connaissance et Valorisation (COVACHIMM) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>Institut Européen des membranes (IEM) ; Centre National de la Recherche Scientifique (CNRS) - Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM) - Université Montpellier 2 - Sciences et Techniques (UM2) - Université de Montpellier (UM)</contributor>
<contributor>The University of Queensland, FIM2Lab – Functional Interfacial Materials and Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4067, Australia (FIM2Lab) ; University of Queensland [Brisbane]</contributor>
<description>International audience</description>
<source>ISSN: 0376-7388</source>
<source>Journal of Membrane Science</source>
<publisher>Elsevier</publisher>
<identifier>hal-01683220</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01683220</identifier>
<source>https://hal.univ-antilles.fr/hal-01683220</source>
<source>Journal of Membrane Science, Elsevier, 2017, 525, pp.240 - 248. 〈10.1016/j.memsci.2016.11.002〉</source>
<identifier>DOI : 10.1016/j.memsci.2016.11.002</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.memsci.2016.11.002</relation>
<language>en</language>
<subject>[CHIM.MATE] Chemical Sciences/Material chemistry</subject>
<subject>[CHIM.GENI] Chemical Sciences/Chemical engineering</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>This work shows the preparation and separation performance assessment of carbon membranes derived from phenolic resin by a vacuum-assisted method and carbonisation in an inert atmosphere. The vacuum time played an important role in tailoring the structure of the membranes. For instance, pore volumes and surface areas increased from 0.81 and 834 to 2.2 cm3g−1and 1910 m2g−1, respectively, as the vacuum time exposure increased from 0 to 1200 s. The significant structural changes correlated very well with water permeation, as fluxes increased by 91% as the vacuum time increased from 0 to 1200 s reaching up to 169 L m−2h−1at 5 bar. Molecular weight cut-off tests showed no rejection for the smaller glucose and sucrose molecules, though this increased to ~ 80% and full rejection for 36 kDa and 400 kDa polyvinyl pyrrolidine. Interestingly, FTIR spectra showed that the peaks of C–H stretching vibration (2800–3200 cm−1) and C–O stretching (1030 cm−1) became more pronounced as a function of increasing vacuum time, strongly suggesting that the use of vacuum further assisted in the polycondensation of phenolic oligomers. Based on these outcomes, a cluster to cluster model is proposed, whereby vacuum application promoted crosslinking reactions of the phenolic resin, creating microporous regions within the clusters, and mesoporous regions between the clusters. © 2016 Elsevier B.V</description>
<date>2017-03</date>
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