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@article{1419369,
author = {Bielská, Lucie and Škulcová, Lucia and Neuwirthová, Natália and Cornelissen, Gerard and Hale, Sarah E.},
article_location = {AMSTERDAM},
article_number = {May},
doi = {http://dx.doi.org/10.1016/j.scitotenv.2017.12.098},
keywords = {Biochar; Organic compounds; Bioavailability; F. Candida},
language = {eng},
issn = {0048-9697},
journal = {Science of the Total Environment},
title = {Sorption, bioavailability and ecotoxic effects of hydrophobic organic compounds in biochar amended soils},
url = {https://www.sciencedirect.com/science/article/pii/S0048969717335234?via%3Dihub},
volume = {624},
year = {2018}
}
TY - JOUR
ID - 1419369
AU - Bielská, Lucie - Škulcová, Lucia - Neuwirthová, Natália - Cornelissen, Gerard - Hale, Sarah E.
PY - 2018
TI - Sorption, bioavailability and ecotoxic effects of hydrophobic organic compounds in biochar amended soils
JF - Science of the Total Environment
VL - 624
IS - May
SP - 78-86
EP - 78-86
PB - Elsevier
SN - 00489697
KW - Biochar
KW - Organic compounds
KW - Bioavailability
KW - F. Candida
UR - https://www.sciencedirect.com/science/article/pii/S0048969717335234?via%3Dihub
L2 - https://www.sciencedirect.com/science/article/pii/S0048969717335234?via%3Dihub
N2 - This work addresses the effect of biochar amendment to soil on contaminant sorption, bioavailability, and ecotoxicity. A distinction between positive primary amendment effects caused by reduced toxicity resulting from contaminant sorption, and negative secondary amendment effects of the biochars themselves was seen. Two biochars (one from high technology and one from low technology production processes) representing real world biochars were tested for the adsorption of pyrene, polychlorinated biphenyl (PCB) 52), and dichlorodiphenyldichloroethylene (p,p'-DDE). Sorption by both biochars was similar, both for compounds in single and mixed isotherms, in the presence and absence of soil. p,p'-DDE natively contaminated and spiked soils were amended with biochar (0, 1, 5, and 10%) and bioavailability, operationally defined bioaccessibility and ecotoxicity were assessed using polyethylene (PE), polymeric resin (XAD) and Folsomia candida, respectively. At the highest biochar dose (10%), bioavailability and bioaccessibility decreased by >37% and >41%, respectively, compared to unamended soils. Mortality of F. candida was not observed at any biochar dose, while reproductive effects were dose dependent. F. candida benefited from the reduction of p,p'-DDE bioavailability upon 1% and 5% biochar addition to contaminated soils while at 10% dose, these positive effects were nullified by biochar-induced toxicity. p,p'-DDE toxicity corrected for such secondary effects was predicted well by both PE uptake and XAD extraction.
ER -
BIELSKÁ, Lucie, Lucia ŠKULCOVÁ, Natália NEUWIRTHOVÁ, Gerard CORNELISSEN and Sarah E. HALE. Sorption, bioavailability and ecotoxic effects of hydrophobic organic compounds in biochar amended soils. \textit{Science of the Total Environment}. AMSTERDAM: Elsevier, 2018, vol.~624, May, p.~78-86. ISSN~0048-9697. Available from: https://dx.doi.org/10.1016/j.scitotenv.2017.12.098.
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