The use of metallurgical waste sludge as a catalyst in hydrogen production from sodium borohydride |
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| Affiliation: | 1. Canakkale Onsekiz Mart University, Faculty of Sciences and Arts, Chemistry Department, 17100, Canakkale, Turkey;2. Nanoscience and Technology Research and Application Center (NANORAC), Terzioglu Campus, 17100, Canakkale, Turkey;3. Atilim University, Airframe and Powerplant Maintenance, Incek, Ankara, 06839, Turkey;1. Healthy School, Siirt University, Turkey;2. Arapgir Vocational School, Malatya Turgut Ozal University, Turkey;1. School of Materials and Chemical Engineering, Xi''an Technological University, Xi''an 710021, China;2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi''an, 710072, China;1. Department of Biology, Faculty of Science, Erciyes University, 38039, Kayseri, Turkey;2. Department of Mechanical Engineering, Faculty of Engineering, Siirt University, 56100, Siirt, Turkey;3. Energy Division, Department of Mechanical Engineering, Faculty of Engineering, Erciyes University, 38039, Kayseri, Turkey;4. Siirt University, Department of Chemical Engineering, Siirt, Turkey;5. Institute of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Box 8600 Forus, 4036, Stavanger, Norway;6. Department of Chemistry, Faculty of Science, Erciyes University, 38039, Kayseri, Turkey |
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| Abstract: | In this study, the metallurgic sludge which contained oil and was obtained as waste of grinding, sharpening and milling parts was used in the production of hydrogen (H2) from sodium borohydride (NaBH4). The hydrolysis of NaBH4 with the metallurgic sludge catalyst was investigated depending on several parameters such as sodium hydroxide (NaOH) concentration, catalyst amount, NaBH4 concentration and temperature. The obtained metallurgic sludge catalyst was characterized by the XRD, FT-IR and SEM techniques and was evaluated for its activity in the H2 generation from NaBH4 hydrolysis. The maximum H2 production rate from the hydrolysis of NaBH4 with the metallurgic sludge catalyst was calculated as 9366 ml min?1.gcat?1. The value of activation energy was found as 48.05 kJ mol?1. |
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| Keywords: | Catalyst Hydrogen generation Metallurgic sludge Sodium borohydride Waste |
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