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<datestamp>2018-01-16</datestamp>
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<setSpec>subject:chim</setSpec>
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<metadata><dc>
<publisher>HAL CCSD</publisher>
<title lang=en>Interlayer-free P123 carbonised template silica membranes for desalination with reduced salt concentration polarisation</title>
<creator>Yacou, Christelle</creator>
<creator>Elma, Muthia</creator>
<creator>Wang, David K.</creator>
<creator>Diniz da Costa, João C.</creator>
<contributor>University of Queensland [Brisbane]</contributor>
<contributor>Chimie des Matériaux - Connaissance et Valorisation (COVACHIMM) ; Université des Antilles et de la Guyane (UAG)</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-01683210</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01683210</identifier>
<source>https://hal.univ-antilles.fr/hal-01683210</source>
<source>Journal of Membrane Science, Elsevier, 2015, 475, pp.376 - 383. 〈10.1016/j.memsci.2014.10.026〉</source>
<identifier>DOI : 10.1016/j.memsci.2014.10.026</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.memsci.2014.10.026</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>Carbonised template silica membranes were synthesised and investigated for water desalination for brackish (0.3wt%), sea water (3.5wt%) and brine (7.5wt%) NaCl solutions at temperatures range from 22 to 60°C. The membranes were prepared by a two-step base catalysed sol-gel method using tetraethyl orthosilicate TEOS as the silica precursor and triblock copolymer of Pluronic® P123 as the templating agent. The P123 silica membranes calcined under vacuum only produced high quality membranes by the interlayer-free method. The membranes were stable during testing of up to 250h under different thermal and salt concentration solutions, always delivering very high salt rejections >99.5%. It was found that by increasing the template concentration in the silica matrix from 5 to 50wt%, salt concentration polarisation was greatly reduced. As such, high water fluxes were measured up to 8.5kgm-2h-1 for brackish water and 6.6kgm-2h-1 for brine water. © 2014 Elsevier B.V.</description>
<date>2015-02</date>
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