The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2

The characteristics of MgH2 as a hydrogen storage material in this study were observed by varying the composition of the catalyst. The added catalyst was a dual catalyst, namely nickel and natural silica extracted from rice husk ash with a composition of MgH2 + 10 wt% SiO2 + 10 wt% Ni (Sample A), th...

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Autores principales:	Malahayati Malahayati, Evi Yufita, Ismail Ismail, Mursal Mursal, Rinaldi Idroes, Zulkarnain Jalil
Formato:	article
Lenguaje:	EN
Publicado:	Polish Society of Ecological Engineering (PTIE) 2021
Materias:	hydrogen storage natural silica rice husk ash high energy ball milling desorption temperature Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/b7967b12c3ec4ff694cd407c9b546f26
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spelling	oai:doaj.org-article:b7967b12c3ec4ff694cd407c9b546f262021-11-04T08:03:23ZThe Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 22299-899310.12911/22998993/142959https://doaj.org/article/b7967b12c3ec4ff694cd407c9b546f262021-12-01T00:00:00Zhttp://www.jeeng.net/The-Effect-of-Natural-Silica-from-Rice-Husk-Ash-and-Nickel-as-a-Catalyst-on-the-Hydrogen,142959,0,2.htmlhttps://doaj.org/toc/2299-8993The characteristics of MgH2 as a hydrogen storage material in this study were observed by varying the composition of the catalyst. The added catalyst was a dual catalyst, namely nickel and natural silica extracted from rice husk ash with a composition of MgH2 + 10 wt% SiO2 + 10 wt% Ni (Sample A), then MgH2 + 5 wt% SiO2 + 10 wt% Ni (Sample B) , and MgH2 + 10 wt% SiO2 + 5 wt% Ni (sample C). The samples were prepared using the high energy ball milling (HEBM). The results showed that the natural silica extracted from rice husk ash (hereafter called “RHA“) can be used as a catalyst in MgH2. Then, simultaneous use of nickel with silica as dual catalyst has shown the improvement in the hydrogen storage characteristics such as temperature and desorption time. The results of this study also indicate that the composition of the catalyst affects the particle size, although the time and milling treatment are the same. Furthermore, the particle size affects the characteristics of MgH2 as a hydrogen storage material. Apart from particle size, there are other parameters that influence the characteristics of MgH2, which appear during the sample preparation process such as impurity and agglomeration phases, all of which are closely related to the composition and type of catalyst used and the milling treatment applied to the sample. The 10 hours milling time used in this study has succeeded in reducing the sample to nano size. The Mg-based materials which have a nanostructure will have a larger contact area for the hydrogen reaction. The diffusion distance during the hydrogen absorption reaction also becomes smaller so as to improve the kinetic and thermodynamic characteristics of MgH2.Malahayati MalahayatiEvi YufitaIsmail IsmailMursal MursalRinaldi IdroesZulkarnain JalilPolish Society of Ecological Engineering (PTIE)articlehydrogen storagenatural silicarice husk ashhigh energy ball millingdesorption temperatureEnvironmental technology. Sanitary engineeringTD1-1066Environmental sciencesGE1-350ENJournal of Ecological Engineering, Vol 22, Iss 11, Pp 79-85 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydrogen storage natural silica rice husk ash high energy ball milling desorption temperature Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350
spellingShingle	hydrogen storage natural silica rice husk ash high energy ball milling desorption temperature Environmental technology. Sanitary engineering TD1-1066 Environmental sciences GE1-350 Malahayati Malahayati Evi Yufita Ismail Ismail Mursal Mursal Rinaldi Idroes Zulkarnain Jalil The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
description	The characteristics of MgH2 as a hydrogen storage material in this study were observed by varying the composition of the catalyst. The added catalyst was a dual catalyst, namely nickel and natural silica extracted from rice husk ash with a composition of MgH2 + 10 wt% SiO2 + 10 wt% Ni (Sample A), then MgH2 + 5 wt% SiO2 + 10 wt% Ni (Sample B) , and MgH2 + 10 wt% SiO2 + 5 wt% Ni (sample C). The samples were prepared using the high energy ball milling (HEBM). The results showed that the natural silica extracted from rice husk ash (hereafter called “RHA“) can be used as a catalyst in MgH2. Then, simultaneous use of nickel with silica as dual catalyst has shown the improvement in the hydrogen storage characteristics such as temperature and desorption time. The results of this study also indicate that the composition of the catalyst affects the particle size, although the time and milling treatment are the same. Furthermore, the particle size affects the characteristics of MgH2 as a hydrogen storage material. Apart from particle size, there are other parameters that influence the characteristics of MgH2, which appear during the sample preparation process such as impurity and agglomeration phases, all of which are closely related to the composition and type of catalyst used and the milling treatment applied to the sample. The 10 hours milling time used in this study has succeeded in reducing the sample to nano size. The Mg-based materials which have a nanostructure will have a larger contact area for the hydrogen reaction. The diffusion distance during the hydrogen absorption reaction also becomes smaller so as to improve the kinetic and thermodynamic characteristics of MgH2.
format	article
author	Malahayati Malahayati Evi Yufita Ismail Ismail Mursal Mursal Rinaldi Idroes Zulkarnain Jalil
author_facet	Malahayati Malahayati Evi Yufita Ismail Ismail Mursal Mursal Rinaldi Idroes Zulkarnain Jalil
author_sort	Malahayati Malahayati
title	The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
title_short	The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
title_full	The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
title_fullStr	The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
title_full_unstemmed	The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2
title_sort	effect of natural silica from rice husk ash and nickel as a catalyst on the hydrogen storage properties of mgh 2
publisher	Polish Society of Ecological Engineering (PTIE)
publishDate	2021
url	https://doaj.org/article/b7967b12c3ec4ff694cd407c9b546f26
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The Effect of Natural Silica from Rice Husk Ash and Nickel as a Catalyst on the Hydrogen Storage Properties of MgH 2

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