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http://dx.doi.org/10.4491/KSEE.2014.36.5.311

Phenol Removal by Ozone-Activated Carbon Hybrid Process  

Kim, Hwanik (Department of Environmental Engineering & Green Technology Institute, Gyeongnam National University of Science and Technology)
Moon, Ji-Hoon (Central Laboratory, Gyeongnam National University of Science and Technology)
Chung, Jae Woo (Department of Environmental Engineering & Green Technology Institute, Gyeongnam National University of Science and Technology)
Publication Information
Journal of Korean Society of Environmental Engineers / v.36, no.5, 2014 , pp. 311-316 More about this Journal
Abstract
Effects of operating parameters such as activated carbon dose and pH on the phenol oxidation in ozone-activated carbon hybrid process were investigated through a kinetic study. Activated carbon enhanced the self-decomposition of ozone, generating $OH{\cdot}$, thus promoting phenol degradation. The pseudo-first order rate constants of phenol degradation increased and half-life of phenol decreased with activated carbon dose. The increase of pH enhanced $OH{\cdot}$ generation through chain reactions initiated by $OH^-$, therefore increasing the phenol degradation rate. TOC removal efficiency increased about 3.2 times by adding activated carbon in ozonation process.
Keywords
Phenol; Ozone; Activated Carbon; Catalytic Oxidation; Hybrid Process;
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Times Cited By KSCI : 3  (Citation Analysis)
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