Nanofiltration Composite Membranes Based on KIT-6 and Functionalized KIT-6 Nanoparticles in a Polymeric Matrix with Enhanced Performances

Membranes

Andrei Munteanu¹  Viorica Parvulescu²  Madalina Ciobanu²  MonicaElisabeta Maxim²  GabrielLucian Radu³  Gabriela Paun³  Larisa Ionita³  Elena Neagu³  Camelia Albu³ 

[1] Apel Laser, 25 Vanatorilor Street, 077135 Mogosoaia, Romania;Ilie Murgulescu Institute of Physical Chemistry of the Romanian Academy, Spl. Independentei 202, 060021 Bucharest, Romania;National Institute for Research-Development of Biological Sciences, 060031 Bucharest, Romania;

关键词: nanofiltration composite membranes;    PPEES;    KIT-6;    KIT-6 functionalized;    selective separation;   

DOI  :  10.3390/membranes11050300

来源: DOAJ

【 摘 要 】

The nanofiltration composite membranes were obtained by incorporation of KIT-6 ordered mesoporous silica, before and after its functionalization with amine groups, into polyphenylene-ether-ether-sulfone (PPEES) matrix. The incorporation of silica nanoparticles into PPEES polymer matrix was evidenced by FTIR and UV–VIS spectroscopy. SEM images of the membranes cross-section and their surface topology, evidenced by AFM, showed a low effect of KIT-6 silica nanoparticles loading and functionalization. The performances of the obtained membranes were appraised in permeation of Chaenomeles japonica fruit extracts and the selective separation of phenolic acids and flavonoids. The obtained results proved that the PPEES with functionalized KIT-6 nanofiltration membrane, we have prepared, is suitable for the polyphenolic compound’s concentration from the natural extracts.

【 授权许可】

Unknown