Skip to Main Content
 

Global Search Box

 
 
 

ETD Abstract Container

Abstract Header

Treating Organic Pollutants in Urban Runoff Using Slow-Release Oxidants: Laboratory and Field Investigations

Eyerdom, Timothy J.
http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398683119

Abstract Details

2014, Master of Science (MS), Ohio University, Geological Sciences (Arts and Sciences).
Non-point source (NPS) contamination is a major concern for urban aquatic environments. This study tested the feasibility of using slow-release oxidants (SR-O) emplaced in storm pipes for treating organic pollutants in urban storm runoff through proof-of-concept laboratory tests and preliminary field investigations in Athens, OH. Release rates of slow-release persulfate (SR-PS), slow-release hydrogen peroxide (SR-HP), and slow-release hydroxide (SR-OH) were estimated through column tests. Results from column tests show that stable release was achieved after 100 hours of testing. Stable release for SR-HP, SR-SP, and SR-OH were up to 2.8x10-3, 5x10-1, and 2.8x10-1 mg min-1, respectively. SR-PS forms were observed to release for two weeks and at 90-100% efficiency. Total organic carbon, chloride, and sulfate concentrations in a two hour storm ranged from 9.8 to 63.4 mg L-1, 6.7 to 23.4 mg L-1, and 6.0 to 59.0 mg L-1, respectively with maximum concentrations shown in the first flush period. Since no organic pollutants were detected in the storm water, pollutant standard solutions were added to storm water samples to evaluate removal efficiencies of base activated SR-PS systems. Base activated persulfate using SR-PS, SR-HP, and SR-OH was found to be the most efficient system in treating organic pollutants within 30 minutes, the estimated residence time of storm water within storm pipes. The proof-of-concept flow-through test demonstrated that up to 60% of pollutants can be removed by the SR-PS/HP/OH within 30 minutes of reaction time in deionized water and between 25-65%, 13-36% less efficient, in storm water. Estimated Cost of using SR-O systems in urban areas can range between 109 (for 168 two hour storms) and 9908 dollars (for 168 two hour storms) per year depending on area and storm frequencies. These results suggest that installation of SR-PS/HP/OH in storm pipes could provide a novel cost effective treatment scheme for organic pollutants in urban runoff.
Eung Seok Lee (Advisor)
Dina Lopez (Committee Member)
Gregory Nadon (Committee Member)
125 p.
Geochemistry; Geological; Geology
Urban Runoff; Advanced Oxidation Processes; Organic Pollutants

Recommended Citations

Citations

  • Eyerdom, T. J. (2014). Treating Organic Pollutants in Urban Runoff Using Slow-Release Oxidants: Laboratory and Field Investigations [Master's thesis, Ohio University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398683119

    APA Style (7th edition)

  • Eyerdom, Timothy. Treating Organic Pollutants in Urban Runoff Using Slow-Release Oxidants: Laboratory and Field Investigations. 2014. Ohio University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398683119.

    MLA Style (8th edition)

  • Eyerdom, Timothy. "Treating Organic Pollutants in Urban Runoff Using Slow-Release Oxidants: Laboratory and Field Investigations." Master's thesis, Ohio University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1398683119

    Chicago Manual of Style (17th edition)

ohiou1398683119
470
© 2014, all rights reserved.
This open access ETD is published by Ohio University and OhioLINK.