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Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters

In this work, a mixed-matrix (MM) membrane consisting of functionalized multi-walled carbon nanotube (MWCNT), polyethersulfone (PES) and polyester non-woven fabric was fabricated using immersion precipitation. The membrane capability in reducing the biochemical oxygen demand (BOD) and chemical oxyge...

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Main Authors: Mohd Abid, Mohd Asyadi 'Azam, Anak Bakri, Julian
Format: Article
Language:English
Published: Elsevier Ltd. 2020
Online Access:http://eprints.utem.edu.my/id/eprint/24725/2/2020%20FABRICATION%20AND%20CHARACTERIZATION%20OF%20FUNCTIONALIZED%20MULTI-WALLED%20CARBON%20NANOTUBE%20MIXED-MATRIX%20MEMBRANE%20FOR%20TREATING%20BIOCHEMICAL%20AND%20CHEMICAL%20OXYGEN%20DEMANDS%20OF%20SURFACE%20WATERS.PDF
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spelling my.utem.eprints.247252022-05-13T16:05:25Z http://eprints.utem.edu.my/id/eprint/24725/ Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters Mohd Abid, Mohd Asyadi 'Azam Anak Bakri, Julian In this work, a mixed-matrix (MM) membrane consisting of functionalized multi-walled carbon nanotube (MWCNT), polyethersulfone (PES) and polyester non-woven fabric was fabricated using immersion precipitation. The membrane capability in reducing the biochemical oxygen demand (BOD) and chemical oxygen demand (COD) levels of the surface water samples collected from rural areas in Sarawak, Malaysia are tested. MWCNTs were functionalized using chemical oxidation to promote functional group onto their sidewalls. Raman analysis reveals a higher peak in D-band than G-band in the functionalized CNT but the higher ID/IG intensity ratio was demonstrated by CNT treated with strong acid. Surface morphological characterization verified the existence of the defects in CNT structures, which was reflected on the sidewall defects, debundling and shortening of the MWCNTs. Meanwhile, the surface waters were tested for BOD and COD levels and treated with three different types of membrane by conventional vacuum filtration. Membrane of raw MM displayed the best treatment capability which is reflected on its ability to maintain the BOD level and reduce the COD level with a consistent percentage. Thus, this work provides a different insight in membrane capability in treating BOD and COD levels in surface waters. Elsevier Ltd. 2020-11 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/24725/2/2020%20FABRICATION%20AND%20CHARACTERIZATION%20OF%20FUNCTIONALIZED%20MULTI-WALLED%20CARBON%20NANOTUBE%20MIXED-MATRIX%20MEMBRANE%20FOR%20TREATING%20BIOCHEMICAL%20AND%20CHEMICAL%20OXYGEN%20DEMANDS%20OF%20SURFACE%20WATERS.PDF Mohd Abid, Mohd Asyadi 'Azam and Anak Bakri, Julian (2020) Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters. Diamond & Related Materials, 109. pp. 1-7. ISSN 0925-9635 https://pdf.sciencedirectassets.com/271601/1-s2.0-S0925963520X00082/1-s2.0-S0925963520306270/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDMaCXVzLWVhc3QtMSJGMEQCIA96Lr6mSDgEZrcC7cKxVCSmqhJOpO7GXZk3H8MI5wY7AiAkUpIaJJf5dIl%2F84lzXiJl6cho0agt9EklO%2BGuFgjNDyq9Awic%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAMaDDA1OTAwMzU0Njg2NSIMoLOav5Ou5Z33EOf4KpEDjOu9whB4eGMBOMnCgsdV6pj1oi3BVMc30AovDwJlu45h07pAoXzI045N2tOR2FbuBSJwPOBx9BjJsVWnZ6iwNp3hAtptPqDTghozUDltcvflq%2FeRbiW%2BhWVEF7Hou7OxYy6j8259NmxOSzeE%2BiEx2tlRHyiVA7UOMNJRzLmu7mN9wYMuYG95qet6Ol1SacocbhHFs13t7a3BmC9kiSPljt6fw8a29hwGND3Dh66iNVsyo6G1R8rborylxOS%2FxvZvsbzvr9WPmOJq5LjKp%2FOB3gvqo2ksH04FpQDJITA21EN6e5AW2xK0EHPnATlYumbQ9d%2BrFTdwitia8t3yH9I%2BKXSZJiA4wXOOoekHtDatN4LfrKXwipa5VMmpkHFJmeX%2B79kPkwSO99bPrGTwoW1jsryT6DEL6v236UH1NIKE48ZfyZJSrpSDyGbbLUGNjfatnF3YygFjxH1hO4KrF%2B53SsRnI9idfefv3KA1dKjI%2BVNiVgudlH9e3YCCLUyUfuoOTNBGA91qujPJnwEmd1nNDigwsb2y%2FQU67AEGbKaRc%2Bfi8X8yp9QiwuRUzLz0Vylv4c0gS%2BEMaiP2y3LLzrmyZHlWfiaxWjFqUbxPBwti%2BkgcLcaY395bW967JlDam48FOf7ia3KKeDDh4jQ4RSMDu4lUUZcHMANu3b040G0wzeK953aVTGaDDU0BDr80Qpgz9PjOQjcZ4SKw6mO%2FbDCSLQyihGxcRC1JJXEJtwDxZeQ7B2TbdSon5BR%2BYqsY5QWJhlHPHcQ4C%2BzlvzQUg2BL%2B8ymD28u1n%2FxrLcSE5oah0Zf7g5x1Pz8TXJ%2B6ptuwc0EjMeaD0flCsEmGXpWmOyF2NkiEMfSmw%3D%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20201112T031640Z&X-Amz-SignedHeaders=host&X-Amz-Expires=300&X-Amz-Credential=ASIAQ3PHCVTYTJGMTXO5%2F20201112%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=5fb5c409a81f73a92f4488548f1a078f4c729b7cb2fb9de4846cfe54228690fb&hash=bbf4fd600e9061c2080458199501ff3dfe421cbec4d371ee792234fe66f4766d&host=68042c943591013ac2b2430a89b270f6af2c76d8dfd086a07176afe7c76c2c61&pii=S0925963520306270&tid=spdf-b7af26dc-dd2d-4c26-b9a2-65d5eaa2ab14&sid=61552aef7248c641a95987776e4bf0da59d4gxrqa&type=client 10.1016/j.diamond.2020.108074
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description In this work, a mixed-matrix (MM) membrane consisting of functionalized multi-walled carbon nanotube (MWCNT), polyethersulfone (PES) and polyester non-woven fabric was fabricated using immersion precipitation. The membrane capability in reducing the biochemical oxygen demand (BOD) and chemical oxygen demand (COD) levels of the surface water samples collected from rural areas in Sarawak, Malaysia are tested. MWCNTs were functionalized using chemical oxidation to promote functional group onto their sidewalls. Raman analysis reveals a higher peak in D-band than G-band in the functionalized CNT but the higher ID/IG intensity ratio was demonstrated by CNT treated with strong acid. Surface morphological characterization verified the existence of the defects in CNT structures, which was reflected on the sidewall defects, debundling and shortening of the MWCNTs. Meanwhile, the surface waters were tested for BOD and COD levels and treated with three different types of membrane by conventional vacuum filtration. Membrane of raw MM displayed the best treatment capability which is reflected on its ability to maintain the BOD level and reduce the COD level with a consistent percentage. Thus, this work provides a different insight in membrane capability in treating BOD and COD levels in surface waters.
format Article
author Mohd Abid, Mohd Asyadi 'Azam
Anak Bakri, Julian
spellingShingle Mohd Abid, Mohd Asyadi 'Azam
Anak Bakri, Julian
Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
author_facet Mohd Abid, Mohd Asyadi 'Azam
Anak Bakri, Julian
author_sort Mohd Abid, Mohd Asyadi 'Azam
title Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
title_short Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
title_full Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
title_fullStr Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
title_full_unstemmed Fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
title_sort fabrication and characterization of functionalized multi-walled carbon nanotube mixed-matrix membrane for treating biochemical and chemical oxygen demands of surface waters
publisher Elsevier Ltd.
publishDate 2020
url http://eprints.utem.edu.my/id/eprint/24725/2/2020%20FABRICATION%20AND%20CHARACTERIZATION%20OF%20FUNCTIONALIZED%20MULTI-WALLED%20CARBON%20NANOTUBE%20MIXED-MATRIX%20MEMBRANE%20FOR%20TREATING%20BIOCHEMICAL%20AND%20CHEMICAL%20OXYGEN%20DEMANDS%20OF%20SURFACE%20WATERS.PDF
http://eprints.utem.edu.my/id/eprint/24725/
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