Comparison of pure-hydrogen production performances of blast furnace slag, and metal powders in sodium borohydride hydrolysis reaction

Abstract

In this study, hydrolysis reaction performances of raw BFS powder and metal powders (which are ingredients of BFS) that are using as a catalyst are compared. Hydrogen generation by hydrolysis reaction of the Al and Fe2O3 Nano & Granule powders with sodium borohydride (NaBH4) addition in water was studied by using different catalysts amount at reaction vessels. The measured values of reaction temperatures and hydrogen flow rates were measured by using high-precision equipment. As a result of the obtained data, it was determined that Fe2O3 and Al catalysts have advantages over hydrogen production rate and fuel conversion, also, these experiments show a very high success in different parameters, and create promising effects in the reactions. Among the Al catalyst samples, the highest efficiency performances are achieved with Al Nano catalyst samples at 85.31 °C preheat with an instantaneous hydrogen generation rate of approximately 11.226 L / min for 33 minutes. Among the Fe2O3 catalyst samples, the highest efficiency performances are achieved with Fe2O3 Nano catalyst samples at 50 °C preheat with an instantaneous hydrogen generation rate of approximately 29.91 L / min for 12 minutes.

Keywords

• Metal powders
• NaBH4
• Hydrogen production
• Nano Material
• Blast Furnace Slag

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