Effective TiO2 supported Cu-Complex catalyst in NaBH4 hydrolysis reaction to hydrogen generation |
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| Affiliation: | 1. Siirt University, Faculty of Science and Letters, Department of Chemistry, Siirt, Turkey;2. Siirt University, Faculty of Engineering, Department of Chemical Engineering, Siirt, Turkey;1. Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, PR China;2. Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, PR China;1. Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China;2. State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China;1. Faculty of Engineering and Architecture, Siirt University, 56100 Siirt, Turkey;2. Faculty of Science and Letters, Siirt University, 56100 Siirt, Turkey;3. School of Health, Siirt University, 56100 Siirt, Turkey;1. School of Health, Safety and Health at Work, Siirt University, 56100, Siirt, Turkey;2. Technical Services Vocational High School, Department of Electric and Energy, Siirt University, 56100, Siirt, Turkey;3. Faculty of Engineering, Department of Electrical and Electronics Engineering, Siirt University, 56100, Siirt, Turkey;4. Faculty of Engineering, Department of Chemical Engineering, Siirt University, 56100, Siirt, Turkey |
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| Abstract: | This paper reports the experimental results on using TiO2 based Cu(II)-Schiff Base complex catalyst for hydrolysis of NaBH4. In the presence of Cu-Schiff Base complex which we reported in advance 1] and with titanium dioxide supports a novel catalyst named TiO2 supported 4-4′-Methylenbis (2,6-diethyl)aniline-3,5-di-tert-buthylsalisylaldimine-Cu complex is prepared, successfully. The synthesized catalyst was characterized by means of X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM), Brunauer-Emmett-Teller Surface Area Analysis (BET) and Fourier Transform Infrared Spectroscopy (FT-IR). The as prepared catalyst was employed to generate hydrogen through hydrolysis reaction of NaBH4. Effects of different parameters (e.g. amount of Cu-Schiff Base complex in all catalyst, percentage of NaBH4, percentage of NaOH, amount of TiO2 supported Cu-Schiff Base complex catalyst and different temperatures) are also investigated. A high apparent activation energy (Ea), 25,196 kJ.mol-1 is calculated for hydrolysis of NaBH4 at 20–50 °C. Hydrogen generation rate was 14,020 mL H2/gcat.min and 22,071 mL H2/gcat.min in order of 30 °C and 50 °C. |
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| Keywords: | Cu-complex Catalyst Schiff base Hydrolysis |
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