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Composted biosolids and treated wastewater as sources of pharmaceuticals and personal care products for plant uptake: A case study with carbamazepine.

Authors
  • Ben Mordechay, Evyatar1
  • Tarchitzky, Jorge2
  • Chen, Yona2
  • Shenker, Moshe2
  • Chefetz, Benny3
  • 1 Department of Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 7610001, Israel; The Hebrew University Center of Excellence in Agriculture and Environmental Health, P.O. Box 12, Rehovot 7610001, Israel. , (Israel)
  • 2 Department of Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 7610001, Israel. , (Israel)
  • 3 Department of Soil and Water Sciences, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, P.O. Box 12, Rehovot 7610001, Israel; The Hebrew University Center of Excellence in Agriculture and Environmental Health, P.O. Box 12, Rehovot 7610001, Israel. Electronic address: [email protected] , (Israel)
Type
Published Article
Journal
Environmental pollution (Barking, Essex : 1987)
Publication Date
Jan 01, 2018
Volume
232
Pages
164–172
Identifiers
DOI: 10.1016/j.envpol.2017.09.029
PMID: 28935405
Source
Medline
Keywords
License
Unknown

Abstract

Irrigation with treated wastewater (TWW) and application of biosolids to arable land expose the agro-environment to pharmaceuticals and personal care products (PPCPs) which can be taken up by crops. In this project, we studied the effect of a carrier medium (e.g., biosolids and TWW) on plant (tomato, wheat and lettuce) uptake, translocation and metabolism of carbamazepine as a model for non-ionic PPCPs. Plant uptake and bioconcentration factors were significantly lower in soils amended with biosolids compared to soils irrigated with TWW. In soils amended with biosolids and irrigated with TWW, the bioavailability of carbamazepine for plant uptake was moderately decreased as compared to plants grown in soils irrigated with TWW alone. While TWW acts as a continuous source of PPCPs, biosolids act both as a source and a sink for these compounds. Moreover, it appears that decomposition of the biosolids in the soil after amendment enhances their adsorptive properties, which in turn reduces the bioavailability of PPCPs in the soil environment. In-plant metabolism of carbamazepine was found to be independent of environmental factors, such as soil type, carrier medium, and absolute amount implemented to the soil, but was controlled by the total amount taken up by the plant.

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