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Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica

Zero valent iron supported on mesoporous silicanano particles (NZVI/MSNs) was prepared by the aqueous phase borohydride reduction methods. Prior to the reduction, mesoporous silica nanoparticles (MSNs) were prepared through the activation of fumed silica with concentrated HCl by refluxing at 90°C. F...

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Main Authors: Hamed, Atyaf Khalid, Mohd Hasbi, Ab. Rahim, Dewayanto, Nugroho, Du, Dongyu, Mohd Ridzuan, Nordin
Format: Article
Language:English
Published: Department of Chemical Engineering, Diponegoro University 2016
Subjects:
QD Chemistry
Online Access:http://umpir.ump.edu.my/id/eprint/13485/1/Kinetic%20and%20Thermodynamics%20of%20Methylene%20Blue%20Adsorption%20onto%20Zero%20Valent%20Iron%20Supported%20on%20Mesoporous%20Silica.pdf
http://umpir.ump.edu.my/id/eprint/13485/
http://dx.doi.org/10.9767/bcrec.11.2.443.250-261
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spelling my.ump.umpir.134852018-11-22T08:07:31Z http://umpir.ump.edu.my/id/eprint/13485/ Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica Hamed, Atyaf Khalid Mohd Hasbi, Ab. Rahim Dewayanto, Nugroho Du, Dongyu Mohd Ridzuan, Nordin QD Chemistry Zero valent iron supported on mesoporous silicanano particles (NZVI/MSNs) was prepared by the aqueous phase borohydride reduction methods. Prior to the reduction, mesoporous silica nanoparticles (MSNs) were prepared through the activation of fumed silica with concentrated HCl by refluxing at 90°C. FTIR, XRD, FESEM, EDX and BET were used to characterize theadsorbents prepared. BET surface areas of MSNs, NZVI, and NZVI/MSNs were 126, 41, and 72 m2/g for, respectively. The performance of NZVI/MSNs as adsorbent was examined by adsorption of methylene blue (MB), performed in series of batch experiments. In the kinetic studies, pseudo first order and pseudo second order kinetic models were examined. The pseudo second order equation provided the best fit with the experimental data. Thermodynamic studies indicated that the adsorption process is endothermic with ΔH° was 90.53 kJ/mol. Positive ΔS° (300 J/mol) and negative ΔG° (-6.42 kJ/mol) was recorded, indicating the spontaneous of the adsorption process and naturally favorable. Department of Chemical Engineering, Diponegoro University 2016-03-18 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/13485/1/Kinetic%20and%20Thermodynamics%20of%20Methylene%20Blue%20Adsorption%20onto%20Zero%20Valent%20Iron%20Supported%20on%20Mesoporous%20Silica.pdf Hamed, Atyaf Khalid and Mohd Hasbi, Ab. Rahim and Dewayanto, Nugroho and Du, Dongyu and Mohd Ridzuan, Nordin (2016) Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica. Bulletin of Chemical Reaction Engineering & Catalysis, 11 (2). pp. 250-261. ISSN 1978-2993 http://dx.doi.org/10.9767/bcrec.11.2.443.250-261
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic QD Chemistry
spellingShingle QD Chemistry
Hamed, Atyaf Khalid
Mohd Hasbi, Ab. Rahim
Dewayanto, Nugroho
Du, Dongyu
Mohd Ridzuan, Nordin
Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
description Zero valent iron supported on mesoporous silicanano particles (NZVI/MSNs) was prepared by the aqueous phase borohydride reduction methods. Prior to the reduction, mesoporous silica nanoparticles (MSNs) were prepared through the activation of fumed silica with concentrated HCl by refluxing at 90°C. FTIR, XRD, FESEM, EDX and BET were used to characterize theadsorbents prepared. BET surface areas of MSNs, NZVI, and NZVI/MSNs were 126, 41, and 72 m2/g for, respectively. The performance of NZVI/MSNs as adsorbent was examined by adsorption of methylene blue (MB), performed in series of batch experiments. In the kinetic studies, pseudo first order and pseudo second order kinetic models were examined. The pseudo second order equation provided the best fit with the experimental data. Thermodynamic studies indicated that the adsorption process is endothermic with ΔH° was 90.53 kJ/mol. Positive ΔS° (300 J/mol) and negative ΔG° (-6.42 kJ/mol) was recorded, indicating the spontaneous of the adsorption process and naturally favorable.
format Article
author Hamed, Atyaf Khalid
Mohd Hasbi, Ab. Rahim
Dewayanto, Nugroho
Du, Dongyu
Mohd Ridzuan, Nordin
author_facet Hamed, Atyaf Khalid
Mohd Hasbi, Ab. Rahim
Dewayanto, Nugroho
Du, Dongyu
Mohd Ridzuan, Nordin
author_sort Hamed, Atyaf Khalid
title Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
title_short Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
title_full Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
title_fullStr Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
title_full_unstemmed Kinetic and Thermodynamics of Methylene Blue Adsorption onto Zero Valent Iron Supported on Mesoporous Silica
title_sort kinetic and thermodynamics of methylene blue adsorption onto zero valent iron supported on mesoporous silica
publisher Department of Chemical Engineering, Diponegoro University
publishDate 2016
url http://umpir.ump.edu.my/id/eprint/13485/1/Kinetic%20and%20Thermodynamics%20of%20Methylene%20Blue%20Adsorption%20onto%20Zero%20Valent%20Iron%20Supported%20on%20Mesoporous%20Silica.pdf
http://umpir.ump.edu.my/id/eprint/13485/
http://dx.doi.org/10.9767/bcrec.11.2.443.250-261
_version_ 1643667177020063744
score 13.211869

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