Effect of Cetyle Trimethyl Ammonium Bromide (CTAB) Surfactant on Nanofiltration Membrane for Dye Removal

Abdul Rahman Hassan; Nurul Hannan Mohd Safari; Sabariah Rozali; Hafizan Juahir; Mohd Khairul Amri Kamarudin

Abdul Rahman Hassan Universiti Sultan Zainal Abidin (UniSZA)
Nurul Hannan Mohd Safari East Coast Environmental Research Institute (ESERI), Universiti Sultan Zainal Abidin, Gong Badak Campus, 21300 Kuala Nerus, Terengganu, Malaysia.
Sabariah Rozali East Coast Environmental Research Institute (ESERI), Universiti Sultan Zainal Abidin, Gong Badak Campus, 21300 Kuala Nerus, Terengganu, Malaysia.
Hafizan Juahir East Coast Environmental Research Institute (ESERI), Universiti Sultan Zainal Abidin, Gong Badak Campus, 21300 Kuala Nerus, Terengganu, Malaysia.
Mohd Khairul Amri Kamarudin East Coast Environmental Research Institute (ESERI), Universiti Sultan Zainal Abidin, Gong Badak Campus, 21300 Kuala Nerus, Terengganu, Malaysia.

Abstract

Nanofiltration membranes technology commonly used for wastewater treatment especially wastewater containing charged and/or uncharged species. Commonly, textile wastewater possesses high chemical oxygen demand (COD) and non-biodegradable compounds such as pigments and dyes which lead to environmental hazard and serious health problem. Therefore, the objective of this study was to investigate the effects of hydrophilic surfactant on the preparation and performance of Active Nanofiltration (ANF) membrane. The polymeric ANF membranes were prepared via dry/wet phase inversion technique by immersion precipitation process. The Cetyle trimethyl ammonium bromide (CTAB) as cationic surfactant was added in casting solution at concentrations from 0 to 2.5 wt%. The synthesized membrane performance was evaluated in terms of pure water permeation (PWP) and dye rejection. The experimental data showed that the membrane demonstrated good increment of PWP ranging from 0.27 to 10.28 L/m²h at applied pressure from 100 to 500 kPa, respectively. Meanwhile, the ANF membranes achieved high removal of Methyl Blue and Reactive Black 5 dye up to 99.5% and 91.6%, respectively.

Author Biography

Abdul Rahman Hassan, Universiti Sultan Zainal Abidin (UniSZA)

Environmental Science

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