Suitability study of using birch and willow trees in phytoremediation of acidic waste settlers

• Autorzy: Jarosz-Krzemińska E. , Adamiec E.
• Języki publikacji: EN

Abstrakty

EN

Research addresses the issue of assessing the possibility of using birch and willow trees in phytoremediation of acidic waste settlers. In order to determine the suitability of these trees to bio-accumulate metals it was crucial to first characterized the physico-chemical parameters of the waste. Both waste and leaves samples were analyzed with respect to heavy metals concentration using microwave digestion (cone. HNO3) procedure followed by AAS analyzes. Moreover, the mobility of contaminants from waste was studied using aqueous leaching test as well as sequential extraction procedures. Investigated waste is very inhomogeneous and is characterized with diversity of pH values within sampling points (2.9-7.0) as well as with high concentration of SO42 anions (1203-1301 mg/dm3), Fe (11-19%) and Zn (64-172 mg/kg). Ability to accumulate metals in birch and willow leaves is high. In birch leaves Zn was accumulated up to toxic level of 431 mg/kg, Mn up to 790 mg/kg, Cu up to 9 mg/kg, Pb up to 21 mg/kg. In willow leaves Zn concentration were found to be even higher and reached 679 mg/kg. Concentrations of remaining metals in willow leaves were as follows: Mn up to 173 mg/kg, Cu up to 17 mg/kg and Pb up to 10 mg/kg. Research results confirmed that both birch and willow trees growing on settlers have high tolerance to the adverse living conditions caused by metal stress and low pH of the foundation. These trees can be used for the purpose of phytoremediation of investigated waste settlers.

Słowa kluczowe

EN

settler; acidic wastes; bioaccumulation; heavy metals; phytoremediation

• Wydawca: Wydawnictwa AGH
• Czasopismo: Geology, Geophysics and Environment
• Rocznik: 2013
• Tom: Vol. 39, no. 4
• Strony: 363--372
• Opis fizyczny: Bibliogr. 12 poz., tab., wykr.

Twórcy

autor

Jarosz-Krzemińska E.

• AGH University of Science and Technology, Faculty of GeologyGeophysics and Environmental Protection; al. Mickiewicza 30; 30-059 Krakow, Poland

autor

Adamiec E.

• AGH University of Science and Technology, Faculty of GeologyGeophysics and Environmental Protection; al. Mickiewicza 30; 30-059 Krakow, Poland

Bibliografia

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