The Fate and Removal of Triclosan during Wastewater Treatment

Thompson, A. G.; Griffin, Paul F.; Stuetz, Richard M.; Cartmell, Elise

doi:10.2175/106143005x41636

Cited by 109 publications

(59 citation statements)

References 11 publications

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“…Anti-bacterial triclosan was detected both in in uent and e uent samples at concentration 0.166 g/L and 0.093 g/L, respectively and these results are comparable to those reported by Weigel and Thomas [27,29]. According to the literature data, conventional treatment plants remove pharmaceuticals compounds mainly during biological treatment with activated sludge [18,22,28]. Here, biodegradation or sorption to sludge is the probable mechanism of elimination [31].…”

Section: Resultssupporting

confidence: 72%

Determination of acidic pharmaceuticals in municipal wastewater by using solid-phase extraction followed by gas chromatography-mass spectrometry.

Nosek¹,

Styszko²,

Gołaś³

2012

geom

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Section: Resultssupporting

confidence: 72%

Determination of acidic pharmaceuticals in municipal wastewater by using solid-phase extraction followed by gas chromatography-mass spectrometry.

Nosek¹,

Styszko²,

Gołaś³

2012

geom

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“…They raised concerns about a sorbed drug desorbing if environmental conditions change and sorption had been the compound's main removal mechanism. A change in environmental conditions did affect removal processes in a study by Thompson et al (2005) in which they observed that biodegradation was responsible for the majority of triclosan removal in WWTP processes when there were high dissolved oxygen levels. Yet in processes with lower oxygen levels, sorption became the dominant removal mechanism.…”

Section: Studies With Multiple Removal Mechanismsmentioning

confidence: 99%

Biodegradation and removal of pharmaceuticals and personal care products in treatment systems: a review

2008

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Pharmaceuticals and personal care products (PPCPs) have been the focus of much recent research as concerns rise about their occurrence in bodies of water worldwide. In an effort to characterize the risk and determine the prevalence of these micropollutants in lakes and rivers, many researchers are examining PPCP removal from impaired water during wastewater treatment and water recycling (soil passage) processes. Biodegradation studies and projects considering combinations of biodegradation and other removal processes have been conducted over a wide range of compound categories and therapeutic classes, as well as across different systems and scales of study. This review summarizes the extent of PPCP removal observed in these various systems.

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“…However, several studies have indicated that estrogens, triclosan, caffeine, ibuprofen, and ciprofloxacin can be reduced or eliminated in biological wastewater treatment systems using the activated sludge (aeration basin) process, where sorption to particles and biotransformation are potential mechanisms of PPCP removal (Sedlak and Pinkston 2001;Giger et al 2003;Andersen et al 2005;Bester 2005; Thomas and Foster 2005;Thompson et al 2005;Nakada et al 2006;Kim et al 2008). It is also likely that some of PPCPs in this study were removed from wastewater via chlorination.…”

Section: Ppcps In Wastewatermentioning

confidence: 99%

Occurrence of PPCPs at a Wastewater Treatment Plant and in Soil and Groundwater at a Land Application Site

Karnjanapiboonwong

Suski

Shah

et al. 2010

Water Air Soil Pollut

124

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Pharmaceuticals and personal care products (PPCPs) can reach soil and aquatic environments through land application of wastewater effluent and agricultural runoff. The objective of this research was to assess the fate of PPCPs at field scale. PPCPs were measured systematically in a wastewater treatment plant (WWTP), and in soil and groundwater receiving treated effluent from the WWTP. A land application site in West Texas was used as the study site; it has received treated wastewater effluent from the WWTP for more than 70 years in order to remove additional nutrients and irrigate non-edible crops. Target compounds (estrone, 17β-estradiol, estriol, 17α-ethynylestradiol, triclosan, caffeine, ibuprofen, and ciprofloxacin) in wastewater, sewage sludge, soil, and groundwater were determined using HPLC/UV with qualitative confirmatory analyses using GC/MS. Samples were collected quarterly over 12 months for wastewater and sludge samples and over 9 months for soil and groundwater samples. Results indicated that concentrations of PPCPs in wastewater influent, effluent, sludge solid phase, and sludge liquid phase were in the range of non-detected (ND)-183 μg/L, ND-83 μg/L, ND-19 μg/g, and ND-50 μg/L, respectively. Concentrations in soil and groundwater samples were in the range of ND-319 ng/g and ND-1,745 μg/L, respectively. GC/MS confirmation data were consistent with the results of HPLC/UV analyses. Overall, data indicate that PPCPs in the wastewater effluent from the WWTP transport both vertically and horizontally in the soil, and eventually reach groundwater following land application of the effluent.

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The Fate and Removal of Triclosan during Wastewater Treatment

Cited by 109 publications

References 11 publications

Determination of acidic pharmaceuticals in municipal wastewater by using solid-phase extraction followed by gas chromatography-mass spectrometry.

Determination of acidic pharmaceuticals in municipal wastewater by using solid-phase extraction followed by gas chromatography-mass spectrometry.

Biodegradation and removal of pharmaceuticals and personal care products in treatment systems: a review

Occurrence of PPCPs at a Wastewater Treatment Plant and in Soil and Groundwater at a Land Application Site

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