Isotopic Tracing of Thallium Contamination in Soils Affected by Emissions from Coal-Fired Power Plants

Vaněk, A.; Grösslová, Z.; Mihaljevič, M.; Trubač, J.; Ettler, V.; Teper, L.; Cabala, J.; Rohovec, Jan; Zádorová, T.; Penížek, V.; Pavlů, L.; Holubík, O.; Němeček, K.; Houška, J.; Drábek, O.; Ash, C.

doi:https://dx.doi.org/10.1021/acs.est.6b01751

Počet záznamů: 1

Isotopic Tracing of Thallium Contamination in Soils Affected by Emissions from Coal-Fired Power Plants

1.

SYSNO ASEP	0464985
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Isotopic Tracing of Thallium Contamination in Soils Affected by Emissions from Coal-Fired Power Plants
Tvůrce(i)	Vaněk, A. (CZ) Grösslová, Z. (CZ) Mihaljevič, M. (CZ) Trubač, J. (CZ) Ettler, V. (CZ) Teper, L. (PL) Cabala, J. (PL) Rohovec, Jan (GLU-S)_{RID, SAI} Zádorová, T. (CZ) Penížek, V. (CZ) Pavlů, L. (CZ) Holubík, O. (CZ) Němeček, K. (CZ) Houška, J. (CZ) Drábek, O. (CZ) Ash, C. (CZ)
Zdroj.dok.	Environmental Science and Technology - ISSN 0013-936X Roč. 50, č. 18 (2016), s. 9864-9871
Poč.str.	8 s.
Forma vydání	Tištěná - P
Jazyk dok.	eng - angličtina
Země vyd.	US - Spojené státy americké
Klíč. slova	environmental implications ; isotope ; fractionation ; combustion ; utility ; health ; oxides ; silver ; lead
Vědní obor RIV	DD - Geochemie
Institucionální podpora	GLU-S - RVO:67985831
UT WOS	000384037900009
EID SCOPUS	84988592724
DOI	10.1021/acs.est.6b01751
Anotace	Here, for the first time, we report the thallium (Tl) isotope record in moderately contaminated soils with contrasting land management (forest and meadow soils), which have been affected by emissions from coal-fired power plants. Our findings clearly demonstrate that Tl of anthropogenic (high-temperature) origin with light isotope composition was deposited onto the studied soils, where heavier Tl (epsilon²⁰⁵Tl ∼ -1) naturally occurs. The results show a positive linear relationship (R² = 0.71) between 1/Tl and the isotope record, as determined for all the soils and bedrocks, also indicative of binary Tl mixing between two dominant reservoirs. We also identified significant Tl isotope variations within the products from coal combustion and thermo-desorption experiments with local Tl-rich coal pyrite. Bottom ash exhibited the heaviest Tl isotope composition (epsilon²⁰⁵Tl ∼ 0), followed by fly ash (epsilon²⁰⁵Tl between -2.5 and -2.8) and volatile Tl fractions (epsilon²⁰⁵Tl between -6.2 and -10.3), suggesting partial Tl isotope fractionations. Despite the evident role of soil processes in the isotope redistributions, we demonstrate that Tl contamination can be traced in soils and propose that the isotope data represent a possible tool to aid our understanding of postdepositional Tl dynamics in surface environments for the future.
Pracoviště	Geologický ústav
Kontakt	Jana Popelková, popelkova@gli.cas.cz, Sabina Janíčková, Tel.: 233 087 272
Rok sběru	2017

Počet záznamů: 1