Development of novel h-BNNS/PVA porous membranes via Pickering emulsion templating 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Green chemistry
年/卷/期
2018 / 20 / 18
页码
4319-4329
ISSN号
1463-9262
作者单位
Univ Montpellier, CNRS, UMR 5635, IEM,ENSCM, Pl Eugene Bataillon, F-34095 Montpellier, France;Univ Montpellier, CNRS, UMR 5635, IEM,ENSCM, Pl Eugene Bataillon, F-34095 Montpellier, France;Univ Montpellier, CNRS, UMR 5635, IEM,ENSCM, Pl Eugene Bataillon, F-34095 Montpellier, France;Univ Montpellier, CNRS, ENSCM, ICSM,CEA, Marcoule, France;Univ Montpellier, CNRS, UMR 5635, IEM,ENSCM, Pl Eugene Bataillon, F-34095 Montpellier, France;Univ Montpellier, CNRS, UMR 5635, IEM,ENSCM, Pl Eugene Bataillon, F-34095 Montpellier, France;
作者
Gonzalez-Ortiz, Danae;Pochat-Bohatier, Celine;Gassara, Sana;Cambedouzou, Julien;Bechelany, Mikhael;Miele, Philippe;
摘要
Polymer-based membranes play an important role in water filtration, in particular in the removal of particles, microorganisms and organic pollutants. Developing a reliable fabrication method for membranes presenting both high flux and good selectivity remains challenging. Polyvinyl alcohol (PVA) is a well-known polymer with promising perspectives due to its specific properties such as nontoxicity, biocompatibility and biodegradability which is of great interest within the context of developing green technologies. Herein, a new strategy using mainly water as a solvent to produce porous membranes based on PVA has been developed using emulsion templating involving hexagonal boron nitride nanosheets (h-BNNS) as a stabilizer. The membranes displaying a pore size around 1 m show a water permeability over 2000 L m(-2) h(-1) bar(-1) and a rejection efficiency of approximate to 100%. Moreover, the membranes did not show a significant reduction of their performances after particle filtration. The results indicated that the h-BNNS/PVA porous membranes fabricated via Pickering emulsion templating are good candidates to be used as microfiltration membranes.
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