Journal
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
Volume 105, Issue 2, Pages 205-210Publisher
SPRINGER
DOI: 10.1007/s00128-020-02915-9
Keywords
Phthalates; Constructed wetland; Monitoring; Chemicals of emerging concern; Fate and distribution
Categories
Funding
- Murdock Charitable Trust [FSU-2015207]
- Alliance-Katherine Bisbee II Fund of Oregon Community Foundation
- Clean Water Services
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Wastewater treatment plants (WTTPs) contribute to anthropogenic chemical contamination through the release of treated effluent. A constructed wetland (CW) interfaced with a WTTP could potentially purify and naturalize effluent water. This pilot study aimed to acquire baseline chemical data on the fate and distribution of phthalates in the water, sediment, and vegetation (Typhaspp.) of a fully operational horizontal subsurface flow CW adjoined to a WWTP in Oregon, USA. Sample collection followed the flow of water from entrance to exit of the CW. Dibutyl phthalate (DBP) and bis(2-ethylhexyl) phthalate (DEHP) were the most abundant analogs in all matrices. Results indicate reduction of phthalates in water exiting the CW. Significant concentrations of DBP, DEHP, and other water-soluble phthalates were found in the shoots ofTypha, indicating plant uptake as a potentially important removal mechanism.
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