Soil and groundwater contamination as a result of sewage sludge land application - Publikacja - MOST Wiedzy

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Soil and groundwater contamination as a result of sewage sludge land application

Abstrakt

The leaching of chemical compounds (N-NO3, N-NH4, Norg, P-PO4, Ptot) and trace elements (Cd, Cu, Cr, Ni, Zn, and Pb) from sewage sludge and their migration through the soil profile was the subject of the study. The column experiments were carried out under atmospheric conditions corresponding to naturally occurring storm events - sewage sludge amended soil was irrigated with high rates of water. The column filter media used in the laboratory tests were similar to the soils present in degraded areas: coal fly ash (FA), coarse grained sand (CGS) and medium grained sand (MGS). Sewage sludge was applied on the top of each column in the quantity corresponding to the best land reclamation practice. The data obtained in the experiments showed the dynamics of chemical compounds' leaching from the sewage sludge and their further transport through the column beds to the effluents. It was found out that nitrogen compounds, such as nitrate (N-NO3) and ammonium (N-NH4), as well as some heavy metals (Ni and Cd) - originating from the sewage sludge - can reach deeper than 0.8 m and cause the contamination of potential shallow aquifers.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie z listy filadelfijskiej
Opublikowano w:
POLISH JOURNAL OF ENVIRONMENTAL STUDIES nr 15, strony 869 - 876,
ISSN: 1230-1485
Język:
angielski
Rok wydania:
2006
Opis bibliograficzny:
Łuczkiewicz A.: Soil and groundwater contamination as a result of sewage sludge land application// POLISH JOURNAL OF ENVIRONMENTAL STUDIES. -Vol. 15., nr. nr 6 (2006), s.869-876
Weryfikacja:
Politechnika Gdańska

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