Heavy metals distribution and their bioavailability in earthworm assistant sludge treatment wetland

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F19%3A78884" target="_blank" >RIV/60460709:41330/19:78884 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0304389418311798?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0304389418311798?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jhazmat.2018.12.039" target="_blank" >10.1016/j.jhazmat.2018.12.039</a>

Result language
angličtina
Original language name
Heavy metals distribution and their bioavailability in earthworm assistant sludge treatment wetland
Original language description
Sludge treatment wetlands STWs have been used for sludge treatment in recent years, however, heavy metals HMs are one of the limiting factors for the final sludge application, and the fate of HMs in STWs are still not well studied. Therefore, six STWs with two plant species and earthworm addition were investigated to evaluate their effects on HMs distribution and bioavailability. The results showed that plant uptake of HMs was insignificant with earthworm addition. Earthworm had the highest enrichment for Cd with bioaccumulation factors of 6,9 to 7,3. Moreover, earthworm had a positive effect to remove HMs in accumulated sludge. Meanwhile, the bioavailability of Cd in accumulated sludge was decreased by earthworm addition, with the acid soluble fraction decreased from range 16,5 to 22,7 percent to range 7,2 to 10,1 percent . Furthermore, HMs mass balance in the STWs revealed that HMs were widely distributed in the accumulated sludge, leachate and others, while their except Cd accumulation in the plan
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10511 - Environmental sciences (social aspects to be 5.7)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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