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Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4

Methane dry reforming is environmental friendly due to the potential sequestration of CO2. Therefore, substantial research works have been carried out to develop reforming catalysts that exhibit high catalytic performance and excellent longevity. The current work reports on the synthesis of 20wt%Co/...

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Main Author: Cheng, Chin Kui
Format: Research Book Profile
Language:English
Published: 2016
Subjects:
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/36252/1/Synthesis%20and%20characterization%20of%20efb%20clinker%20supported%20nickel%20catalyst%20for%20syngas%20production%20from%20reactive%20fluid%20mixture%20of%20CO2-CH4.pdf
http://umpir.ump.edu.my/id/eprint/36252/
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spelling my.ump.umpir.362522023-01-04T02:26:11Z http://umpir.ump.edu.my/id/eprint/36252/ Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4 Cheng, Chin Kui TP Chemical technology Methane dry reforming is environmental friendly due to the potential sequestration of CO2. Therefore, substantial research works have been carried out to develop reforming catalysts that exhibit high catalytic performance and excellent longevity. The current work reports on the synthesis of 20wt%Co/80wt%EFB clinker and 20wt%Ni/80wt%EFB clinker catalysts via wet-impregnation technique, followed by various characterization techniques such as BET, XRD, XRF, TGA and FESEM. The BET specific surface area of Co/EFB clinker and Ni/EFB clinker catalyst were 2.83 m2g-1 and 2.37 m2g-1, respectively. In addition, XRD diffractogram of EFB clinker showed two highest peaks at around 2θ = 27.2° and 31.5°, which can be attributed to CaO and K2O species, respectively. This finding was also consistent with XRF analysis where potassium (K) and calcium (Ca) were positively identified. Subsequently, methane dry reforming studies revealed that Ni/EFB clinker catalyst always yielded higher formation rates of H2 and CO. Indeed, the rate was maximum at CO2:CH4 feed ratio of unity. The average conversion of CH4 for reactions using Co/EFB clinker and Ni/EFB clinker catalyst are obtained to be 78.26 % and 78.19 % respectively. Meanwhile, the average conversion of CO2 for reactions using Co/EFB clinker and Ni/EFB clinker catalyst are 80.40 % and 81.17 % respectively. When reaction temperatures were varied, the activation energy over Co/EFB clinker was 124.4 kJ mol-1 while that for the reaction over the Ni/EFB clinker catalyst was 113.0 kJ mol-1. Post reforming reaction, oxidation profiles of the used catalysts indicated carbon-free condition. This was corroborated by the FESEM images for both sets of used catalysts, where no carbon whisker was found. 2016 Research Book Profile NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/36252/1/Synthesis%20and%20characterization%20of%20efb%20clinker%20supported%20nickel%20catalyst%20for%20syngas%20production%20from%20reactive%20fluid%20mixture%20of%20CO2-CH4.pdf Cheng, Chin Kui (2016) Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4. , [Research Book Profile: Research Report] (Unpublished)
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 TP Chemical technology
spellingShingle TP Chemical technology
Cheng, Chin Kui
Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
description Methane dry reforming is environmental friendly due to the potential sequestration of CO2. Therefore, substantial research works have been carried out to develop reforming catalysts that exhibit high catalytic performance and excellent longevity. The current work reports on the synthesis of 20wt%Co/80wt%EFB clinker and 20wt%Ni/80wt%EFB clinker catalysts via wet-impregnation technique, followed by various characterization techniques such as BET, XRD, XRF, TGA and FESEM. The BET specific surface area of Co/EFB clinker and Ni/EFB clinker catalyst were 2.83 m2g-1 and 2.37 m2g-1, respectively. In addition, XRD diffractogram of EFB clinker showed two highest peaks at around 2θ = 27.2° and 31.5°, which can be attributed to CaO and K2O species, respectively. This finding was also consistent with XRF analysis where potassium (K) and calcium (Ca) were positively identified. Subsequently, methane dry reforming studies revealed that Ni/EFB clinker catalyst always yielded higher formation rates of H2 and CO. Indeed, the rate was maximum at CO2:CH4 feed ratio of unity. The average conversion of CH4 for reactions using Co/EFB clinker and Ni/EFB clinker catalyst are obtained to be 78.26 % and 78.19 % respectively. Meanwhile, the average conversion of CO2 for reactions using Co/EFB clinker and Ni/EFB clinker catalyst are 80.40 % and 81.17 % respectively. When reaction temperatures were varied, the activation energy over Co/EFB clinker was 124.4 kJ mol-1 while that for the reaction over the Ni/EFB clinker catalyst was 113.0 kJ mol-1. Post reforming reaction, oxidation profiles of the used catalysts indicated carbon-free condition. This was corroborated by the FESEM images for both sets of used catalysts, where no carbon whisker was found.
format Research Book Profile
author Cheng, Chin Kui
author_facet Cheng, Chin Kui
author_sort Cheng, Chin Kui
title Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
title_short Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
title_full Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
title_fullStr Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
title_full_unstemmed Synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of CO2-CH4
title_sort synthesis and characterization of efb clinker supported nickel catalyst for syngas production from reactive fluid mixture of co2-ch4
publishDate 2016
url http://umpir.ump.edu.my/id/eprint/36252/1/Synthesis%20and%20characterization%20of%20efb%20clinker%20supported%20nickel%20catalyst%20for%20syngas%20production%20from%20reactive%20fluid%20mixture%20of%20CO2-CH4.pdf
http://umpir.ump.edu.my/id/eprint/36252/
_version_ 1754529724538814464
score 13.211869

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