Enhancement in photocatalytic activity for acetaldehyde removal by embedding ZnO nano particles on multiwall carbon nanotubes

Multi-walled carbon nanotube/zinc oxide (MWCNT/ZnO) composites were synthesized by thermal hydrolysis method. The composites were prepared using multi-walled carbon nanotubes (MWCNTs) as a starting material, and zinc nitrate as a precursor. For characterization and morphological studies, different t...

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Bibliographic Details
Published in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2011, Vol.166 (1), p.407-412
Main Authors: Saleh, Tawfik A., Gondal, M.A., Drmosh, Q.A., Yamani, Z.H., AL-yamani, A.
Format: Article
Language:English
Subjects:
Acetaldehyde
Applied sciences
carbon nanotubes
Catalysis
catalytic activity
Catalytic reactions
Chemical engineering
Chemistry
Computer programs
Degradation
Exact sciences and technology
General and physical chemistry
General purification processes
hydrolysis
irradiation
Multi wall carbon nanotubes
MWCNT/ZnO nanocomposite
Nanomaterials
nanoparticles
Nanostructure
Nanotechnology
nitrates
Photo-degradation
Photocatalysis
Pollution
Reactors
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Wastewater treatment
Wastewaters
Water treatment and pollution
Zinc
Zinc oxide
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Summary:Multi-walled carbon nanotube/zinc oxide (MWCNT/ZnO) composites were synthesized by thermal hydrolysis method. The composites were prepared using multi-walled carbon nanotubes (MWCNTs) as a starting material, and zinc nitrate as a precursor. For characterization and morphological studies, different techniques such as FE-SEM, HRTEM, XRD, UV and FT-IR were applied. The photo catalytic activity of the prepared composite was evaluated by measuring the degradation of acetaldehyde in aqueous solution under UV laser irradiation. Almost 50% enhancement in photocatalytic activity for removal of acetaldehyde was recorded by embedding ZnO nanoparticles on the surface of MWCNTs.
ISSN:1385-8947
0164-1212
1873-3212
DOI:10.1016/j.cej.2010.10.070