Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming

Hydrogen is being considered as an alternative source for power generation in the future. The development of environmental friendly and cost effective hydrogen production become the main challenge in this area. In this work, the production of hydrogen by steam reforming of acetic acid over nickel-co...

Full description

Saved in:

Bibliographic Details
Main Author:	Raheem Saeed, Mohammed Abdul
Format:	Thesis
Language:	English
Published:	2014
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/id/eprint/53470/25/MohammedAbdulRaheemSaeedMFChE2014.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-utm-ep.53470
record_format	uketd_dc
spelling	my-utm-ep.534702017-07-29T01:36:14Z Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming 2014-07 Raheem Saeed, Mohammed Abdul TP Chemical technology Hydrogen is being considered as an alternative source for power generation in the future. The development of environmental friendly and cost effective hydrogen production become the main challenge in this area. In this work, the production of hydrogen by steam reforming of acetic acid over nickel-cobalt (Ni-Co) supported on lanthanum oxide (La2O3), cerium oxide (CeO2) and aluminum oxide (Al2O3) was studied. The objectives of this study are to prepare the catalyst using an impregnation method, to characterize the catalyst using Temperature Programmed Desorption (TPD-NH3), Brunauer-Emmett-Teller with N2 (BET-N2) and Temperature Programmed Reduction with H2 (TPR-H2) analysis and also to study the effect of reaction temperature on acetic acid conversion. TPR- analysis of the samples indicated that the amount of hydrogen consumed by the catalyst supported with same oxides decreases with increasing amount of La2O3. Furthermore, Ni- Co/70%La2O3-20%CeO2 catalyst was reduced at lower temperature compared to other three catalysts. The result of TPD-NH3 also showed that the acidity of the catalysts reduced by reducing the amount of ceria. Meanwhile, steam reforming of acetic acid was conducted in a fixed bed reactor with metal catalysts on different supports metal at temperature of 600 oC, atmospheric pressure, 0.36 ml/min flow rate, acetic acid concentration 10 wt% and the weight of catalyst was 0.2 g. It was found that the mole fraction of hydrogen over Ni-Co/70%La2O3-20%Al2O3 catalyst was the highest which is 0.59, while acetic acid conversion over Ni-Co/70%La2O3- 20%CeO2 catalyst was the highest 93%. In addition, the catalyst (Ni-Co/70%La2O3- 20%CeO2 and Ni-Co/80%La2O3-10%CeO2) performance tests are carried out in a fixed bed reactor at atmospheric pressure and temperature from 500°C to 700°C at increment of 50°C/min, 0.36ml/min flow rate and 10 wt% acetic acid concentration. It was found that the hydrogen production dropped by increasing of temperature and the temperature of 500 to 550oC produce the high amount of hydrogen. 2014-07 Thesis http://eprints.utm.my/id/eprint/53470/ http://eprints.utm.my/id/eprint/53470/25/MohammedAbdulRaheemSaeedMFChE2014.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Chemical Engineering Faculty of Chemical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Raheem Saeed, Mohammed Abdul Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
description	Hydrogen is being considered as an alternative source for power generation in the future. The development of environmental friendly and cost effective hydrogen production become the main challenge in this area. In this work, the production of hydrogen by steam reforming of acetic acid over nickel-cobalt (Ni-Co) supported on lanthanum oxide (La2O3), cerium oxide (CeO2) and aluminum oxide (Al2O3) was studied. The objectives of this study are to prepare the catalyst using an impregnation method, to characterize the catalyst using Temperature Programmed Desorption (TPD-NH3), Brunauer-Emmett-Teller with N2 (BET-N2) and Temperature Programmed Reduction with H2 (TPR-H2) analysis and also to study the effect of reaction temperature on acetic acid conversion. TPR- analysis of the samples indicated that the amount of hydrogen consumed by the catalyst supported with same oxides decreases with increasing amount of La2O3. Furthermore, Ni- Co/70%La2O3-20%CeO2 catalyst was reduced at lower temperature compared to other three catalysts. The result of TPD-NH3 also showed that the acidity of the catalysts reduced by reducing the amount of ceria. Meanwhile, steam reforming of acetic acid was conducted in a fixed bed reactor with metal catalysts on different supports metal at temperature of 600 oC, atmospheric pressure, 0.36 ml/min flow rate, acetic acid concentration 10 wt% and the weight of catalyst was 0.2 g. It was found that the mole fraction of hydrogen over Ni-Co/70%La2O3-20%Al2O3 catalyst was the highest which is 0.59, while acetic acid conversion over Ni-Co/70%La2O3- 20%CeO2 catalyst was the highest 93%. In addition, the catalyst (Ni-Co/70%La2O3- 20%CeO2 and Ni-Co/80%La2O3-10%CeO2) performance tests are carried out in a fixed bed reactor at atmospheric pressure and temperature from 500°C to 700°C at increment of 50°C/min, 0.36ml/min flow rate and 10 wt% acetic acid concentration. It was found that the hydrogen production dropped by increasing of temperature and the temperature of 500 to 550oC produce the high amount of hydrogen.
format	Thesis
qualification_level	Master's degree
author	Raheem Saeed, Mohammed Abdul
author_facet	Raheem Saeed, Mohammed Abdul
author_sort	Raheem Saeed, Mohammed Abdul
title	Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
title_short	Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
title_full	Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
title_fullStr	Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
title_full_unstemmed	Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming
title_sort	synthesis and characterization of ni-co on different composition support towards hydrogen production from acetic acid steam reforming
granting_institution	Universiti Teknologi Malaysia, Faculty of Chemical Engineering
granting_department	Faculty of Chemical Engineering
publishDate	2014
url	http://eprints.utm.my/id/eprint/53470/25/MohammedAbdulRaheemSaeedMFChE2014.pdf
_version_	1747817563124924416

Synthesis and characterization of Ni-Co on different composition support towards hydrogen production from acetic acid steam reforming

Similar Items