BibTex format
@article{Liew:2025:10.1016/j.jece.2025.119713,
author = {Liew, CM and Puteh, MH and Othman, MHD and Kamaludin, R and Jasman, SM and Asogan, P and Iqbal, RM and Muhammad, MS and Nurul, H and Samah, NAA and Heng, J and Abdullah, H and Kamal, M},
doi = {10.1016/j.jece.2025.119713},
journal = {Journal of Environmental Chemical Engineering},
title = {Innovative photothermal membrane distillation: Mitigating temperature polarisation with rice husk biochar},
url = {http://dx.doi.org/10.1016/j.jece.2025.119713},
volume = {13},
year = {2025}
}
RIS format (EndNote, RefMan)
TY - JOUR
AB - This study presents an innovative dual-layer hollow fibre (DLHF) polymeric membrane for photothermal membrane distillation (PMD), incorporating extracted carbon from rice husk char (RHC) as a sustainable photothermal additive to address two critical challenges in MD desalination: temperature polarisation (TP) and limited flux efficiency. The approach integrates optimisation of pyrolysis temperature, carbon extraction, and performance evaluation of the fabricated membranes. Results revealed that a high pyrolysis temperature (700°C) yielded RHC with enhanced physical properties for photothermal conversion and membrane integration, while a lower temperature (500°C) produced RHC with high carbon content and superior optical traits. RHC synthesised at 600°C provided the best balance of carbon content, particle structure, and light absorption, and was selected for carbon extraction. The extracted carbon (RHC 600-EC) exhibited notable improvements, including a 26.1% reduction in particle size, a 66.3% increase in Brunauer–Emmett–Teller surface area, and a 94.4% rise in total pore volume. It also demonstrated high carbon content (92.3% by energy-dispersive X-ray analysis, 81.1% by carbon, hydrogen, nitrogen, and sulfur analysis) and excellent optical properties, with minimal reflectance (< 5% in the ultraviolet and < 3% in the visible-near infrared range). The photothermal membrane, fabricated with 5wt% RHC 600-EC, achieved a 117% rise in surface temperature and a solar-driven flux of 3.42kg/m<sup>2</sup>·h under 0.5kW/m<sup>2</sup> irradiation, representing a 25-fold improvement over the pristine membrane. It further demonstrated a 39.3% increase in energy efficiency, 59.4% solar utilisation efficiency, and over 99.5% salt rejection, highlighting its promising potential for efficient desalination.
AU - Liew,CM
AU - Puteh,MH
AU - Othman,MHD
AU - Kamaludin,R
AU - Jasman,SM
AU - Asogan,P
AU - Iqbal,RM
AU - Muhammad,MS
AU - Nurul,H
AU - Samah,NAA
AU - Heng,J
AU - Abdullah,H
AU - Kamal,M
DO - 10.1016/j.jece.2025.119713
PY - 2025///
TI - Innovative photothermal membrane distillation: Mitigating temperature polarisation with rice husk biochar
T2 - Journal of Environmental Chemical Engineering
UR - http://dx.doi.org/10.1016/j.jece.2025.119713
VL - 13
ER -