Leaching of heavy metals from monolithic waste

• Autorzy: Mizerna K. , Król A.

Identyfikatory

DOI

10.5277/epe180410

• Języki publikacji: EN

Abstrakty

EN

Leaching of heavy metals (Zn, Pb, Cu, Ni and Cr) from hazardous waste originating from steel works (slag) has been investigated. Contaminant leaching behavior from monolithic waste materials in the function of time was examined. There was established the cumulative leaching of elements per surface area of waste material and the impact of the duration of the leachant contact with the waste on the leachability. The types of processes accompanying the release of heavy metals were determined as well. Surface wash-off and dissolution were dominant processes during the leaching of the analyzed elements. Chromium was the only element whose release from the sample was controlled by diffusion when subjected to leaching in a liquid of pH 7. Due to the low levels of heavy metal leaching in relation to their concentrations in the samples, it seems that longer duration of the tank test can contribute to the release of additional amounts of the heavy metals.

Słowa kluczowe

EN

heavy metals; leaching heavy metals

PL

metale ciężkie; wymywanie metali ciężkich

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2018
• Tom: Vol. 44, nr 4
• Strony: 143--158
• Opis fizyczny: Bibliogr. 28 poz., tab., rys.

Twórcy

autor

Mizerna K.

• Opole University of Technology, Department of Environmental Engineering, ul. Mikołajczyka 5, 45-271 Opole, Poland

autor

Król A.

• Opole University of Technology, Department of Environmental Engineering, ul. Mikołajczyka 5, 45-271 Opole, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).