An evaluation of a pilot-scale nonthermal plasma advanced oxidation process for trace organic compound degradation

Daniel Gerrity, Benjamin D. Stanford, Rebecca A. Trenholm, Shane A Snyder

Research output: Contribution to journalArticle

93 Citations (Scopus)

Abstract

This study evaluated a pilot-scale nonthermal plasma (NTP) advanced oxidation process (AOP) for the degradation of trace organic compounds such as pharmaceuticals and potential endocrine disrupting compounds (EDCs). The degradation of seven indicator compounds was monitored in tertiary-treated wastewater and spiked surface water to evaluate the effects of differing water qualities on process efficiency. The tests were also conducted in batch and single-pass modes to examine contaminant degradation rates and the remediation capabilities of the technology, respectively. Values for electrical energy per order (EEO) of magnitude degradation ranged from <0.3 kWh/m3-log for easily degraded compounds (e.g., carbamazepine) in surface water to 14 kWh/m3-log for more recalcitrant compounds (e.g., meprobamate) in wastewater. Changes in the bulk organic matter based on UV254 absorbance and excitation-emission matrices (EEM) were also monitored and correlated to contaminant degradation. These results indicate that NTP may be a viable alternative to more common AOPs due to its comparable energy requirements for contaminant degradation and its ability to operate without any additional feed chemicals.

Original languageEnglish (US)
Pages (from-to)493-504
Number of pages12
JournalWater Research
Volume44
Issue number2
DOIs
StatePublished - Jan 2010
Externally publishedYes

Fingerprint

Organic compounds
organic compound
Plasmas
plasma
oxidation
Degradation
Oxidation
degradation
Impurities
Surface waters
pollutant
Wastewater
surface water
wastewater
Remediation
absorbance
Biological materials
Drug products
Water quality
energy

Keywords

  • Advanced oxidation process (AOP)
  • Endocrine disrupting compound (EDC)
  • Nonthermal plasma (NTP)
  • Pharmaceutical
  • Trace organic compound

ASJC Scopus subject areas

  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution
  • Ecological Modeling

Cite this

An evaluation of a pilot-scale nonthermal plasma advanced oxidation process for trace organic compound degradation. / Gerrity, Daniel; Stanford, Benjamin D.; Trenholm, Rebecca A.; Snyder, Shane A.

In: Water Research, Vol. 44, No. 2, 01.2010, p. 493-504.

Research output: Contribution to journalArticle

Gerrity, Daniel ; Stanford, Benjamin D. ; Trenholm, Rebecca A. ; Snyder, Shane A. / An evaluation of a pilot-scale nonthermal plasma advanced oxidation process for trace organic compound degradation. In: Water Research. 2010 ; Vol. 44, No. 2. pp. 493-504.
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