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Destruction of DBP precursors with catalytic oxidation
Although laboratory experiments demonstrated that photoassisted heterogeneous catalytic oxidation destroys DBP precursors, pilot testing will be required before the process can be deemed economically feasible for full‐scale use.
Catalyst screening experiments evaluated 15 titanium dioxide (TiO2) powders, including five commercially available samples and 10 experimental catalysts developed in the laboratory. Photoassisted heterogeneous catalytic oxidation (PHCO) experiments performed on two alum‐coagulated surface waters showed that increasing the contact time and incident light intensity destroyed more nonpurgeable organic carbon and decreased the disinfection by‐product formation potential. Economic analysis showed that PHCO using artificial light to activate the catalyst created high operations and maintenance costs and that using sunlight created high capital costs.
Destruction of DBP precursors with catalytic oxidation
Although laboratory experiments demonstrated that photoassisted heterogeneous catalytic oxidation destroys DBP precursors, pilot testing will be required before the process can be deemed economically feasible for full‐scale use.
Catalyst screening experiments evaluated 15 titanium dioxide (TiO2) powders, including five commercially available samples and 10 experimental catalysts developed in the laboratory. Photoassisted heterogeneous catalytic oxidation (PHCO) experiments performed on two alum‐coagulated surface waters showed that increasing the contact time and incident light intensity destroyed more nonpurgeable organic carbon and decreased the disinfection by‐product formation potential. Economic analysis showed that PHCO using artificial light to activate the catalyst created high operations and maintenance costs and that using sunlight created high capital costs.
Destruction of DBP precursors with catalytic oxidation
Hand, David W. (author) / Perram, David L. (author) / Crittenden, John C. (author)
Journal ‐ American Water Works Association ; 87 ; 84-96
1995-06-01
13 pages
Article (Journal)
Electronic Resource
English
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