TY  - JOUR
EP  - 13
KW  - Alumina; Aluminum oxide; Carbon; Desalination; Pore size; Potable water; Rapid thermal processing; Silica; Silicates; Sols; Water filtration
KW  -  Alumina support; Brackish water; Brackish water desalinations; Ethyl silicate; Hybrid membrane; Salt rejections; Tetraethyl orthosilicates; Water desalination
KW  -  Membrane technology
N2  - Water scarcity is still a pressing issue in many regions. The application of membrane technology through water desalination to convert brackish to potable water is a promising technology to solve this issue. This study compared the performance of templated TEOSâ??P123 and ES40â??P123 hybrid membranes for brackish water desalination. The membranes were prepared by the solâ??gel method by employing tetraethyl orthosilicate (TEOS) for the carbonâ??templated silica (soft template) and ethyl silicate (ES40) for the hybrid organoâ??silica. Both sols were templated by adding 35 wt. of pluronic triblock copolymer (P123) as the carbon source. The silicaâ??templated sols were dipâ??coated onto alumina support (four layers) and were calcined by using the RTP (rapid thermal processing) method. The prepared membranes were tested using pervaporation set up at room temperature (~25 °C) using brackish water (0.3 and 1 wt.) as the feed. It was found that the hybrid membrane exhibited the highest specific surface area (6.72 m2â??gâ??1), pore size (3.67 nm), and pore volume (0.45 cm3â??gâ??1). The hybrid ES40â??P123 was twice thicker (2 μm) than TEOSâ??P123â?? templated membranes (1 μm). Lastly, the hybrid ES40â??P123 displayed highest water flux of 6.2 kgâ??mâ??2â??hâ??1. Both membranes showed excellent robustness and salt rejections of >99. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
JF  - Polymers
VL  - 12
AV  - none
ID  - scholars12553
SN  - 20734360
TI  - Development of hybrid and templated silicaâ??p123 membranes for brackish water desalination
Y1  - 2020///
A1  - Elma, M.
A1  - Mujiyanti, D.R.
A1  - Ismail, N.M.
A1  - Bilad, M.R.
A1  - Rahma, A.
A1  - Rahman, S.K.
A1  - Fitriani
A1  - Rakhman, A.
A1  - Rampun, E.L.A.
N1  - cited By 20
IS  - 11
SP  - 1
PB  - MDPI AG
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-85095968733&doi=10.3390%2fpolym12112644&partnerID=40&md5=279096fd68467edd9648ec335acf35e8
ER  -