The Pt and graphene (GN) were used to modify TiO2 nanoparticles. GN/TiO2, Pt-TiO2, Pt-GN/TiO2 were successfully synthesized by modified Hummers’ method, alcohol thermal and photodeposition method, respectively. The characterizations
of the synthesized catalysts by different characterization techniques, including N2 adsorption–desorption isotherm, fourier transform infrared spectroscopy (FTIR), inductively coupled plasma (ICP) technique and element analyzer (EA), respectively. In addition, different sacrificial
agents (methanol, ethanol, n-propanol, i-propanol, n-butanol, ethylene glycol, 1,2-propanediol, 1,3-propanediol and glycerol) have been investigated. There is clearly a linear relationship between hydrogen production rate and the polarity of monohydric alcohols. According
to the Langmuir-Hinshelwood results, the surface pseudo-first order rate constant k = 15.06 mmol h−1 g−1 and the adsorption coefficient k = 0.50 mol L−1 were obtained. The feasibility of hydrogen production from wastewater obtained
from terephthalic acid industry was studied. After reusing the catalyst under the same experimental conditions, the hydrogen production rate has only slightly decreased for 3 more cycles, which indicated the stability of the synthesized catalysts.
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Photocatalytic Water Splitting;
Document Type: Research Article
Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei 106, Taiwan
Department of Environmental Engineering, National I-Lan University, I-Lan City, 260, Taiwan
Department of Nursing and Management, St. Mary’s Junior College of Medicine, 265 Yilan County, Taiwan
May 1, 2018
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