Research Article| March 01 2011 Evaluation of parameters influencing removal efficiencies for organic contaminant degradation in advanced oxidation processes Julie R. Peller; Julie R. Peller 1Department of Chemistry, 3400 Broadway, Indiana University Northwest, Gary, IN 46408, USA Tel: 219-980-6744 Fax: 219-980-6673; E-mail: jpeller@iun.edu Search for other works by this author on: This Site PubMed Google Scholar William J. Cooper; William J. Cooper 2Urban Water Research Center, Department of Civil and Environmental Engineering, University of California, Irvine, CA 96297, USA Search for other works by this author on: This Site PubMed Google Scholar Kenneth P. Ishida; Kenneth P. Ishida 3Research and Development Department, Orange County Water District, Fountain Valley, CA 92708, USA Search for other works by this author on: This Site PubMed Google Scholar Stephen P. Mezyk Stephen P. Mezyk 4Department of Chemistry and Biochemistry, California State University at Long Beach, Long Beach, CA, 90840, USA Search for other works by this author on: This Site PubMed Google Scholar Journal of Water Supply: Research and Technology-Aqua (2011) 60 (2): 69–78. https://doi.org/10.2166/aqua.2011.024 Article history Received: May 19 2010 Accepted: October 18 2010 Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Cite Icon Cite Permissions Search Site Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll JournalsThis Journal Search Advanced Search Citation Julie R. Peller, William J. Cooper, Kenneth P. Ishida, Stephen P. Mezyk; Evaluation of parameters influencing removal efficiencies for organic contaminant degradation in advanced oxidation processes. Journal of Water Supply: Research and Technology-Aqua 1 March 2011; 60 (2): 69–78. doi: https://doi.org/10.2166/aqua.2011.024 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Advanced oxidation processes, based on hydroxyl radical chemistry, can be used to successfully destroy chemical contaminants in waters intended for reuse. In determining the effectiveness of these radical oxidative degradations and transformations in water, both reaction rate constants and compound removal efficiencies must be considered. Removal efficiencies are defined as the number of contaminant molecules transformed per 100 hydroxyl radicals reacting. Hydroxyl radical reaction efficiencies have been determined for bisphenol A, caffeine, DEET, and sulfamethazine in different qualities of treated and model laboratory wastewaters. While these four contaminants show similar hydroxyl radical reaction rate constants, their removal efficiencies in deionized water varied significantly at 76±7, 92±8, 95±9, and 56±7%, respectively. Model wastewater studies showed that dissolved oxygen did not appreciably influence these values, and low levels of dissolved organic matter (DOM) reduced the removal efficiencies by an average of approximately 20%. However, the combination of solution alkalinity and DOM had a significant impact in reducing hydroxyl radical reaction efficiencies, although not always in a linear, additive, fashion. These results imply that the effective implementation of advanced oxidation technologies in wastewater treatments might be enhanced by prior removal of organics or alkalinity. advanced oxidation, bisphenol A, caffeine, DEET, removal efficiencies, sulfamethazine This content is only available as a PDF. © IWA Publishing 2011 You do not currently have access to this content.