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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
Room-temperature synthesis of zinc oxide nanoparticles in different media and their application in cyanide photodegradation
Nanoscale Research Letters, Volume 8, No. 1, Article 516, Year 2013
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Description
Cyanide is an extreme hazard and extensively found in the wastes of refinery, coke plant, and metal plating industries. A simple, fast, cost-effective, room-temperature wet chemical route, based on cyclohexylamine, for synthesizing zinc oxide nanoparticles in aqueous and enthanolic media was established and tested for the photodegradation of cyanide ions. Particles of polyhedra morphology were obtained for zinc oxide, prepared in ethanol (ZnOE), while spherical and some chunky particles were observed for zinc oxide, prepared in water (ZnOW). The morphology was crucial in enhancing the cyanide ion photocatalytic degradation efficiency of ZnOE by a factor of 1.5 in comparison to the efficiency of ZnOW at an equivalent concentration of 0.02 wt.% ZnO. Increasing the concentration wt.% of ZnOE from 0.01 to 0.09 led to an increase in the photocatalytic degradation efficiency from 85% to almost 100% after 180 min and a doubling of the first-order rate constant (k). © 2013 Bagabas et al.; licensee Springer.
Authors & Co-Authors
Bagabas, Abdulaziz Ahmed
Saudi Arabia, Riyadh
King Abdulaziz City for Science and Technology
Alshammari, Ahmad S.
Saudi Arabia, Riyadh
King Abdulaziz City for Science and Technology
Aly Aboud, Mohamed F.
Saudi Arabia, Riyadh
King Saud University
Kosslick, Hendrik
Germany, Rostock
Universität Rostock
Statistics
Citations: 101
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1186/1556-276X-8-516
ISSN:
19317573
e-ISSN:
1556276X
Research Areas
Environmental