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Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal

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Main Authors: Ho, Kah Chun, Sahira, Mohammad Raffi, Teow, Yeit Haan
Other Authors: hokahchun@segi.edu.my
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2022
Subjects:
In-situ colloidal precipitation method
Multiwalled carbon nanotubes
Nanocomposite membrane
Titanium dioxide
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76304
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spelling my.unimap-763042022-10-06T03:24:32Z Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal Ho, Kah Chun Sahira, Mohammad Raffi Teow, Yeit Haan hokahchun@segi.edu.my Centre for Water Research, Faculty of Engineering, Built Environment and Information Technology, SEGi University Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM) In-situ colloidal precipitation method Multiwalled carbon nanotubes Nanocomposite membrane Titanium dioxide Link to publisher's homepage at http://ijneam.unimap.edu.my This research aims to examine the performance of photocatalytic nanocomposite membrane for methyl orange dye (MO) removal. Multiwalled carbon nanotubes (MWCNTs) and titanium dioxide (TiO2) are used as nanofillers to produce photocatalytic membranes via in-situ colloidal precipitation method. The weight ratio of MWCNT:TiO2 were manipulated at 10:0, 5:5, and 0:10 with nanomaterials concentration of 0.1 g/L. The membranes were characterized by surface hydrophilicity, porosity and pore size, and surface charge. The membrane performance was assessed using dead-end membrane filtration method to determine water permeability, dye rejection, and fouling propensity. Pure TiO2 membrane improved water permeability by 22.57% due to increasing hydrophilicity and large porosity. For dye rejection, pristine membrane outperformed the nanocomposite membranes with a rejection of 25.52% due to the small membrane pore size by sieve mechanism. Lastly, all the nanocomposite membranes showed better antifouling properties with higher normalized flux for pure MWCNTs (0.6822), TiO2 (0.6781), MWCNT/TiO2 (0.7239) membranes relative to the pristine membrane (0.6039). The pure TiO2 membrane has the highest improvement in flux recovery (19.87%) due to dye photodegradation under UV light assisted in membrane cleaning and defouling. Overall, this study demonstrates that photocatalytic nanocomposite membrane can be produced via in-situ colloidal precipitation method. 2022-10-06T03:24:32Z 2022-10-06T03:24:32Z 2022-07 Article International Journal of Nanoelectronics and Materials, vol.15(3), 2022, pages 207-222 1985-5761 (Printed) 2232-1535 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76304 en Universiti Malaysia Perlis (UniMAP)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic In-situ colloidal precipitation method
Multiwalled carbon nanotubes
Nanocomposite membrane
Titanium dioxide
spellingShingle In-situ colloidal precipitation method
Multiwalled carbon nanotubes
Nanocomposite membrane
Titanium dioxide
Ho, Kah Chun
Sahira, Mohammad Raffi
Teow, Yeit Haan
Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
description Link to publisher's homepage at http://ijneam.unimap.edu.my
author2 hokahchun@segi.edu.my
author_facet hokahchun@segi.edu.my
Ho, Kah Chun
Sahira, Mohammad Raffi
Teow, Yeit Haan
format Article
author Ho, Kah Chun
Sahira, Mohammad Raffi
Teow, Yeit Haan
author_sort Ho, Kah Chun
title Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
title_short Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
title_full Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
title_fullStr Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
title_full_unstemmed Synthesis of MWCNTs/TiO2 photocatalytic nanocomposite membrane via In-situ colloidal precipitation method for methyl orange removal
title_sort synthesis of mwcnts/tio2 photocatalytic nanocomposite membrane via in-situ colloidal precipitation method for methyl orange removal
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/76304
_version_ 1751537912482103296
score 13.214268

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