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Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol

Well-designed Co3O4 nanocubes (NCs) dispersed NiO/TiO2 to construct tri-metallic reducible NiO/TiO2/Co3O4 NCs structured catalyst for steam-reforming of phenol (SRP) with enhanced hydrogen production has been investigated. The controlled morphology with good dispersion was obtained, enabling efficie...

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Main Authors: Abbas, Tariq, Muhammad Tahir, Muhammad Tahir
Format: Article
Published: Elsevier Ltd 2021
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/94670/
http://dx.doi.org/10.1016/j.ijhydene.2020.12.209
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spelling my.utm.946702022-03-31T15:52:06Z http://eprints.utm.my/id/eprint/94670/ Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol Abbas, Tariq Muhammad Tahir, Muhammad Tahir TP Chemical technology Well-designed Co3O4 nanocubes (NCs) dispersed NiO/TiO2 to construct tri-metallic reducible NiO/TiO2/Co3O4 NCs structured catalyst for steam-reforming of phenol (SRP) with enhanced hydrogen production has been investigated. The controlled morphology with good dispersion was obtained, enabling efficient SRP toward selective H2 production. Using 10% NiO- 5% Co3O4 NCs/TiO2 composite, H2 yield of 69.91% and phenol conversion of 78.4% was achieved, significantly higher than using NiO/TiO2 and TiO2 samples. The cubical structured Co3O4 dispersed NiO/TiO2 composite showed significantly improved H2 yield and phenol conversion due to strong metal-support interaction with reducible support for providing more active sites. The H2 production was further increased by increasing reaction temperature, phenol concentration, feed flow rate and catalysts loading, however, they have adverse effect on the selectivity due to more CO formation. The composite catalyst possesses excellent activity and stability due to strong tri-metallic interaction and exceptional electronic interfaces. The spent catalyst analysis confirms the formation of graphene and carbon nanotubes over the reducible support. This study reveals that Co3O4 NCs are able to increase NiO/TiO2 activity for H2 production by inhibiting carbon monoxide formation and would be beneficial in other reforming applications. Elsevier Ltd 2021 Article PeerReviewed Abbas, Tariq and Muhammad Tahir, Muhammad Tahir (2021) Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol. International Journal of Hydrogen Energy, 46 (13). pp. 8932-8949. ISSN 0360-3199 http://dx.doi.org/10.1016/j.ijhydene.2020.12.209
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Abbas, Tariq
Muhammad Tahir, Muhammad Tahir
Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
description Well-designed Co3O4 nanocubes (NCs) dispersed NiO/TiO2 to construct tri-metallic reducible NiO/TiO2/Co3O4 NCs structured catalyst for steam-reforming of phenol (SRP) with enhanced hydrogen production has been investigated. The controlled morphology with good dispersion was obtained, enabling efficient SRP toward selective H2 production. Using 10% NiO- 5% Co3O4 NCs/TiO2 composite, H2 yield of 69.91% and phenol conversion of 78.4% was achieved, significantly higher than using NiO/TiO2 and TiO2 samples. The cubical structured Co3O4 dispersed NiO/TiO2 composite showed significantly improved H2 yield and phenol conversion due to strong metal-support interaction with reducible support for providing more active sites. The H2 production was further increased by increasing reaction temperature, phenol concentration, feed flow rate and catalysts loading, however, they have adverse effect on the selectivity due to more CO formation. The composite catalyst possesses excellent activity and stability due to strong tri-metallic interaction and exceptional electronic interfaces. The spent catalyst analysis confirms the formation of graphene and carbon nanotubes over the reducible support. This study reveals that Co3O4 NCs are able to increase NiO/TiO2 activity for H2 production by inhibiting carbon monoxide formation and would be beneficial in other reforming applications.
format Article
author Abbas, Tariq
Muhammad Tahir, Muhammad Tahir
author_facet Abbas, Tariq
Muhammad Tahir, Muhammad Tahir
author_sort Abbas, Tariq
title Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
title_short Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
title_full Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
title_fullStr Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
title_full_unstemmed Tri-metallic Ni–Co modified reducible TiO2 nanocomposite for boosting H2 production through steam reforming of phenol
title_sort tri-metallic ni–co modified reducible tio2 nanocomposite for boosting h2 production through steam reforming of phenol
publisher Elsevier Ltd
publishDate 2021
url http://eprints.utm.my/id/eprint/94670/
http://dx.doi.org/10.1016/j.ijhydene.2020.12.209
_version_ 1729703204887724032
score 13.211869

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