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Items where Author is "Gaya, Umar Ibrahim"

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Number of items: 6.

Article

Razani, Afini and Abdullah, Abdul Halim and Fitrianto, Anwar and Yusof, Nor Azah and Gaya, Umar Ibrahim (2017) Sol-gel synthesis of Fe₂O₃-doped TiO₂ for optimized photocatalytic degradation of 2,4- dichlorophenoxyacetic acid. Oriental Journal of Chemistry, 33 (4). 1959 - 1968. ISSN 0970-020X

Gaya, Umar Ibrahim and Otene, Emmanuel and Abdullah, Abdul Halim (2015) Adsorption of aqueous Cd(II) and Pb(II) on activated carbon nanopores prepared by chemical activation of doum palm shell. SpringerPlus, 4 (458). pp. 1-18. ISSN 2193-1801

Gaya, Umar Ibrahim and Abdullah, Abdul Halim and Hussein, Mohd. Zobir and Zainal, Zulkarnain (2010) Photocatalytic removal of 2,4,6-trichlorophenol from water exploiting commercial ZnO powder. Desalination, 263 (1-3). pp. 176-182. ISSN 0011-9164

Gaya, Umar Ibrahim and Abdullah, Abdul Halim and Zainal, Zulkarnain and Hussein, Mohd. Zobir (2009) Photocatalytic treatment of 4-chlorophenol in aqueous ZnO suspensions : intermediates, influence of dosage and inorganic anions. Journal of Hazardous Materials, 168 (1). pp. 57-63. ISSN 0304-3894

Gaya, Umar Ibrahim and Abdullah, Abdul Halim (2008) Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: A review of fundamentals, progress and problems. Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 9 (1). pp. 1-12. ISSN 1389-5567

Thesis

Gaya, Umar Ibrahim (2009) Zinc Oxide-Catalysed Photo-Oxidative Degradation of Chlorophenols. PhD thesis, Universiti Putra Malaysia.

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