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The use of metallurgical waste sludge as a catalyst in hydrogen production from sodium borohydride

机译:冶金废物污泥用作硼氢化钠氢气生产中的催化剂

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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 (H-2) 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 H-2 generation from NaBH4 hydrolysis. The maximum H-2 production rate from the hydrolysis of NaBH 4 with the metallurgic sludge catalyst was calculated as 9366 ml min(-1). g(cat-1)(-1). The value of activation energy was found as 48.05 kJ mol(-1). (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
机译:在该研究中,含有油并获得研磨浪费,锐化和铣削零件的冶金污泥用于制备来自硼氢化钠(NaBH4)的氢气(H-2)。根据若干参数如氢氧化钠(NaOH)浓度,催化剂量,NaBH4浓度和温度,研究了NaBH 4与冶金污泥催化剂的水解。所得冶金污泥催化剂的特征在于XRD,FT-IR和SEM技术,并在NaBH4水解的H-2代中评价其活性。用冶金污泥催化剂的NaBH 4水解的最大H-2生产速率计算为9366ml min(-1)。 G(CAT-1)( - 1)。激活能量的值被发现为48.05 kJ摩尔(-1)。 (c)2020氢能源出版物LLC。 elsevier有限公司出版。保留所有权利。

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