Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances

The effects of pretreatment via acid and thermal treatment on the properties of multi-walled carbon nanotubes (MWCNTs) are studied using FTIR, TGA, Raman spectroscopy and TEM. Meanwhile, catalytic performances of Cu/ZnO catalysts supported on raw and treated CNTs are evaluated by CO2 hydrogenation i...

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Main Authors: Sulong, T.S.T., Zabidi, N.A.M., Shaharun, M.S.
Format: Conference or Workshop Item
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.30638 /
Published: American Institute of Physics Inc. 2016
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85005982542&doi=10.1063%2f1.4968077&partnerID=40&md5=a555f7136e61f999d039c5d9541195fd
http://eprints.utp.edu.my/30638/
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spelling utp-eprints.306382022-03-25T07:13:10Z Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances Sulong, T.S.T. Zabidi, N.A.M. Shaharun, M.S. The effects of pretreatment via acid and thermal treatment on the properties of multi-walled carbon nanotubes (MWCNTs) are studied using FTIR, TGA, Raman spectroscopy and TEM. Meanwhile, catalytic performances of Cu/ZnO catalysts supported on raw and treated CNTs are evaluated by CO2 hydrogenation into methanol using a fixed-bed microactivity reactor. Pretreatment of CNTs have removed caps, created defects on CNTs wall and also introduced some functional groups as confirmed by FTIR, TGA, Raman spectroscopy and TEM. However, deposition of metals into the support via incipient wetness impregnation method results in agglomeration of metal particles outside CNTs. Methanol synthesis studies (523 K, 22.5 bar) were performed and activity study revealed that catalysts supported on treated CNTs achieved CO2 conversion of 19 . © 2016 Author(s). American Institute of Physics Inc. 2016 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85005982542&doi=10.1063%2f1.4968077&partnerID=40&md5=a555f7136e61f999d039c5d9541195fd Sulong, T.S.T. and Zabidi, N.A.M. and Shaharun, M.S. (2016) Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances. In: UNSPECIFIED. http://eprints.utp.edu.my/30638/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The effects of pretreatment via acid and thermal treatment on the properties of multi-walled carbon nanotubes (MWCNTs) are studied using FTIR, TGA, Raman spectroscopy and TEM. Meanwhile, catalytic performances of Cu/ZnO catalysts supported on raw and treated CNTs are evaluated by CO2 hydrogenation into methanol using a fixed-bed microactivity reactor. Pretreatment of CNTs have removed caps, created defects on CNTs wall and also introduced some functional groups as confirmed by FTIR, TGA, Raman spectroscopy and TEM. However, deposition of metals into the support via incipient wetness impregnation method results in agglomeration of metal particles outside CNTs. Methanol synthesis studies (523 K, 22.5 bar) were performed and activity study revealed that catalysts supported on treated CNTs achieved CO2 conversion of 19 . © 2016 Author(s).
format Conference or Workshop Item
author Sulong, T.S.T.
Zabidi, N.A.M.
Shaharun, M.S.
spellingShingle Sulong, T.S.T.
Zabidi, N.A.M.
Shaharun, M.S.
Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
author_sort Sulong, T.S.T.
title Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
title_short Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
title_full Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
title_fullStr Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
title_full_unstemmed Pretreatment of carbon nanotubes: Effects on its properties and catalytic performances
title_sort pretreatment of carbon nanotubes: effects on its properties and catalytic performances
publisher American Institute of Physics Inc.
publishDate 2016
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85005982542&doi=10.1063%2f1.4968077&partnerID=40&md5=a555f7136e61f999d039c5d9541195fd
http://eprints.utp.edu.my/30638/
_version_ 1741197441185611776
score 11.62408

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