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001-es BibID:

BIBFORM071276

Első szerző:

Cím:

Groundwater contamination from uninsulated sewage tanks in an eastern Hungarian settlement / T. Mester, G. Szabó, G. Karancsi, D. Balla

Dátum:

2017

Megjelenés:

Utánközlés / Másodközlés

ISSN:

1105-7580 1792-085X

Megjegyzések:

In settlements without sewage systems the uninsulated sewage tanks are the most important sources of groundwatercontamination. In our specific eastern Hungarian case study, we attempted to demonstrate the effects of wastewatereffluent on the groundwater level and the spatial distribution of the organic matter (OM) and Na+ in the autumn of2013. In 2012 we established 3-metre deep monitoring wells within a 25-metre radius of a sewage tank, which weresampled, and the level of groundwater was recorded. The results show that the outflow wastewater formed agroundwater dome. The difference between the groundwater levels measured in the monitoring wells was 49 cm. Inthe immediate environment of the sewage tank we measured a chemical oxygen demand (COD) of more than 24 mg/l.Moving away from the sewage tank the values decreased rapidly; in the farthest monitoring wells we detected CODvalues of between 4 and 7 mg/l. The high Na+ content of domestic wastewaters significantly increases the Na+ contentof the groundwater. In the vicinity of the sewage tank, we detected very high concentrations above 450 mg/l, whichcontinuously decreased when moving away from the sewage tank. In the farthest monitoring wells west and southeastfrom the sewage tank we measured concentrations of Na+ of 270 mg/l and 159 mg/l.
Mester Tamás (1991-) (geográfus): Groundwater contamination from uninsulated sewage tanks in an eastern Hungarian settlement

Tárgyszavak:

Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Groundwater salinity
contamination
wastewater
sewage tank
chemical oxygen demand
modelling

Megjelenés:

European Water. - 58 : 2 (2017), p. 267-271. -

További szerzők:

Szabó György (1964-) (geográfus, egyetemi tanár) Karancsi Gergő (1988-) (geográfus) Balla Dániel Zoltán (1988-) (geográfus)

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Utánközlés (1)

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