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Tytuł:
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Enhancement of photocatalytic degradation of Malachite Green using iron doped titanium dioxide loaded on oil palm empty fruit bunch-derived activated carbon.
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Autorzy:
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Loo WW; Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia.
Pang YL; Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia; Centre for Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia. Electronic address: .
Lim S; Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia; Centre for Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia.
Wong KH; Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia; Centre for Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang, Selangor, 43000, Malaysia.
Lai CW; Nanotechnology & Catalysis Research Centre (NANOCAT), Institute of Graduate Studies Building, University of Malaya, Kuala Lumpur, 50603, Malaysia.
Abdullah AZ; School of Chemical Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang, 14300, Malaysia.
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Źródło:
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Chemosphere [Chemosphere] 2021 Jun; Vol. 272, pp. 129588. Date of Electronic Publication: 2021 Jan 09.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: Oxford : Elsevier Science Ltd
Original Publication: Oxford, New York, : Pergamon Press.
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MeSH Terms:
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Charcoal*
Iron*
Catalysis ; Fruit ; Hydrogen Peroxide ; Light ; Rosaniline Dyes ; Spectroscopy, Fourier Transform Infrared ; Titanium
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Contributed Indexing:
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Keywords: Activated carbon; Fe dopant; Oil palm empty fruit bunch waste; Photocatalytic degradation; Titanium dioxide
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Substance Nomenclature:
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0 (Rosaniline Dyes)
12058M7ORO (malachite green)
15FIX9V2JP (titanium dioxide)
16291-96-6 (Charcoal)
BBX060AN9V (Hydrogen Peroxide)
D1JT611TNE (Titanium)
E1UOL152H7 (Iron)
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Entry Date(s):
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Date Created: 20210122 Date Completed: 20210406 Latest Revision: 20210406
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Update Code:
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20240105
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DOI:
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10.1016/j.chemosphere.2021.129588
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PMID:
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33482519
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Iron-doped titanium dioxide loaded on activated carbon (Fe-TiO 2 /AC) was successfully synthesized from oil palm empty fruit bunch (OPEFB) using sol-gel method. The properties of the synthesized pure TiO 2 , Fe-doped TiO 2 , AC, TiO 2 /AC and Fe-TiO 2 /AC were examined by various techniques such as field emission scanning electron microscopy (FE-SEM), Fourier-transform infrared spectroscopy (FT-IR), UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS) and nitrogen adsorption-desorption analyses at 77 K. FE-SEM revealed that Fe-doped TiO 2 particles were dispersed homogeneously on the AC surface. FT-IR demonstrated high surface hydroxylation after Fe doping on TiO 2 and UV-Vis DRS showed that Fe-TiO 2 /AC had the lowest band gap energy. Catalytic performance results proved that Fe dopants could restrict the recombination rate of hole and electron pairs, whereas AC support improved the Malachite Green (MG) adsorption sites and active sites of the hybrid catalyst. Photocatalytic degradation of 100 mg/L MG in the presence of 1.0 g/L 15 wt% Fe-TiO 2 incorporated with 25 wt% AC, initial solution pH of 4 and 3 mM H 2 O 2 could achieve the highest removal efficiency of 97% after 45 min light irradiation. This work demonstrates a promising approach to synthesis an inexpensive and efficient Fe-TiO 2 /AC for the photocatalytic degradation of organic dye.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2021 Elsevier Ltd. All rights reserved.)
