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Catalytic Ozonation of Reactive Black 5 Over Silver–Cobalt Composite Oxide Catalyst

Catalytic Ozonation of Reactive Black 5 Over Silver–Cobalt Composite Oxide Catalyst Catalytic ozonation was carried out using the silver–cobalt composite catalyst. Co-precipitation method was followed for the preparation of the catalyst, and characterization of the catalyst was carried out by XRD, BET and SEM with EDX. The percentage of total organic carbon removal was 75% employing silver–cobalt composite catalyst with ozonation, against 34% employing ozonation without any catalyst. The parameters such as amount of catalyst, initial concentration of the dye, ozone flow rate and the solution pH were found to affect the catalytic ozonation process. Degradation mechanism identified employing hydroxyl radical scavenger. The cyclic use of the synthesized catalyst indicated that the catalytic activity of Ag–Co–O is not much deteriorated after three cycles. Further, the kinetic suggests pseudo-first-order kinetics for the process. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Catalytic Ozonation of Reactive Black 5 Over Silver–Cobalt Composite Oxide Catalyst

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2020
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-020-00454-4
Publisher site
See Article on Publisher Site

Abstract

Catalytic ozonation was carried out using the silver–cobalt composite catalyst. Co-precipitation method was followed for the preparation of the catalyst, and characterization of the catalyst was carried out by XRD, BET and SEM with EDX. The percentage of total organic carbon removal was 75% employing silver–cobalt composite catalyst with ozonation, against 34% employing ozonation without any catalyst. The parameters such as amount of catalyst, initial concentration of the dye, ozone flow rate and the solution pH were found to affect the catalytic ozonation process. Degradation mechanism identified employing hydroxyl radical scavenger. The cyclic use of the synthesized catalyst indicated that the catalytic activity of Ag–Co–O is not much deteriorated after three cycles. Further, the kinetic suggests pseudo-first-order kinetics for the process.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Sep 7, 2020

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