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Copper availability in seven Israeli soils incubated with and without biosolids
Year:
2005
Source of publication :
Journal of Environmental Quality
Authors :
Fine, Pinchas
;
.
Volume :
34
Co-Authors:
Oliver, I.W., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia
Hass, A., Inst. Soil, Water and Environ. Sci., Volcani Centre, POB 6, Bet Dagan, 50250, Israel
Merrington, G., Environment Agency, Chemicals Team, Howbery Park, Wallingford, Oxfordshire, OX10 8BD, United Kingdom
Fine, P., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia, Inst. Soil, Water and Environ. Sci., Volcani Centre, POB 6, Bet Dagan, 50250, Israel, Environment Agency, Chemicals Team, Howbery Park, Wallingford, Oxfordshire, OX10 8BD, United Kingdom, Division of Land and Water, CSIRO, PMB 2, Glen Osmond, SA 5064, Australia
McLaughlin, M.J., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia, Division of Land and Water, CSIRO, PMB 2, Glen Osmond, SA 5064, Australia
Facilitators :
From page:
508
To page:
513
(
Total pages:
6
)
Abstract:
Land application is becoming a preferred option for disposal of sewage sludge (biosolids) from wastewater treatment plants. However, it creates potential risks due to the heavy metal contents of these materials, with copper (Cu) being of chief concern. The longterm fate of biosolid metals applied to agricultural soils is not well understood, particularly in the soils of the Middle East. This investigation was conducted to determine whether the availability of Cu changes with time in biosolid-amended and nonamended soils from Israel. Seven soils, typifying the span of properties and formation environments encountered in Israel, were incubated with and without biosolids for 7 yr, and changes in organic carbon (OC) content and labile Cu concentration were determined. Isotopic exchange techniques, using 64Cu, and ion activity measurements, using a Cu2+ ion selective electrode, revealed that the available Cu concentration remained relatively low and stable over the 7-yr incubation. This was despite substantial reductions in OC. This study shows that, with regard to Cu, application of such biosolids to these soils at rates of up to 250 Mg ha-1 does not pose a threat to the environment in the short to medium term.
Note:
Related Files :
Agriculture
Carbon
Israel
sewage
sewage sludge
soil chemistry
temperature
wastewater treatment
waste water treatment plant
Show More
Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30743
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:56
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Scientific Publication
Copper availability in seven Israeli soils incubated with and without biosolids
34
Oliver, I.W., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia
Hass, A., Inst. Soil, Water and Environ. Sci., Volcani Centre, POB 6, Bet Dagan, 50250, Israel
Merrington, G., Environment Agency, Chemicals Team, Howbery Park, Wallingford, Oxfordshire, OX10 8BD, United Kingdom
Fine, P., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia, Inst. Soil, Water and Environ. Sci., Volcani Centre, POB 6, Bet Dagan, 50250, Israel, Environment Agency, Chemicals Team, Howbery Park, Wallingford, Oxfordshire, OX10 8BD, United Kingdom, Division of Land and Water, CSIRO, PMB 2, Glen Osmond, SA 5064, Australia
McLaughlin, M.J., Soil and Land Systems, University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia, Division of Land and Water, CSIRO, PMB 2, Glen Osmond, SA 5064, Australia
Copper availability in seven Israeli soils incubated with and without biosolids
Land application is becoming a preferred option for disposal of sewage sludge (biosolids) from wastewater treatment plants. However, it creates potential risks due to the heavy metal contents of these materials, with copper (Cu) being of chief concern. The longterm fate of biosolid metals applied to agricultural soils is not well understood, particularly in the soils of the Middle East. This investigation was conducted to determine whether the availability of Cu changes with time in biosolid-amended and nonamended soils from Israel. Seven soils, typifying the span of properties and formation environments encountered in Israel, were incubated with and without biosolids for 7 yr, and changes in organic carbon (OC) content and labile Cu concentration were determined. Isotopic exchange techniques, using 64Cu, and ion activity measurements, using a Cu2+ ion selective electrode, revealed that the available Cu concentration remained relatively low and stable over the 7-yr incubation. This was despite substantial reductions in OC. This study shows that, with regard to Cu, application of such biosolids to these soils at rates of up to 250 Mg ha-1 does not pose a threat to the environment in the short to medium term.
Scientific Publication
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