Assessment of lead sorption by acid agroforest soils

• Autorzy: Kocialkowski W. Z. , Diatta J.B. , Grzebisz W.
• Języki publikacji: EN

Abstrakty

EN

Agroforest soil samples were collected at two depths (0-20 and 20-40 cm) near the Glogow Copper Plant (Poland). Adsorption parameters and isotherms were obtained by fitting the data to the Freundlich equation. The KF values of soil samples from the depth 0-20 cm were lower (from 32.1 to 45.4 dm3/kg) than those calculated for the soils nr 6 and 7 i.e. 48.7 and 51.4 dm3/kg, respectively. The multiple regression analysis revealed that pH, clay content and additionally organic matter content influenced the most the magnitude of KF values. Buffering indices gave a best estimation of the adsorption isotherm than made on the basis of KF and n values only. The lack of high correlation coefficients between KF and soil properties as well as "total Pb" and the latter ones may be attributed first to the specificity of agroforest soils and second to their presumable anthropogenic origin.Keywords: agroforest soils, Pb sorption, Freundlich equation, buffering indices

Słowa kluczowe

EN

lead sorption; Freundlich equation; buffering index; acid soil; agroforest soil; heavy metal

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 1999
• Tom: 08
• Numer: 6
• Opis fizyczny: p.403-408,fig.,ref.

Twórcy

autor

Kocialkowski W. Z.

• University of Agriculture, Wojska Polskiego 71 F, 60-625 Poznan, Poland

autor

Diatta J.B.

autor

Grzebisz W.

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