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Projects / Programmes source: ARIS

Soil gentle remediation method for bioavailable heavy metal stripping

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Research activity

Code Science Field Subfield
4.03.00  Biotechnical sciences  Plant production   

Code Science Field
P510  Natural sciences and mathematics  Physical geography, geomorphology, pedology, cartography, climatology 
B410  Biomedical sciences  Soil science, agricultural hydrology 
Keywords
Contaminated soil, remediation, heavy metal, bioavailable metals
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (7)
no. Code Name and surname Research area Role Period No. of publications
1.  19262  Svetlana Gogič Knežić    Technical associate  2004 - 2005  0 
2.  06736  Andreja Hodnik  Plant production  Researcher  2006 - 2007  149 
3.  21504  PhD Boštjan Kos  Plant production  Researcher  2004  29 
4.  08259  PhD Domen Leštan  Plant production  Head  2004 - 2007  411 
5.  17780  Viljem Šijanec    Researcher  2004  0 
6.  26538  PhD Metka Udovič  Plant production  Junior researcher  2006 - 2007  57 
7.  08834  PhD Marko Zupan  Plant production  Researcher  2005 - 2007  519 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0481  University of Ljubljana, Biotechnical Faculty  Ljubljana  1626914  67,995 
Abstract
This research targets soil remediation technologies that reduce exposure and risk, and are protective of human health, by reducing contaminant bioavailability. Biodegradable chelator (S,S) isomere of ethylenediamine disuccinate and horizontal reactive permeable barriers will be used in the development of a novel, inexpensive, soil "gentle", on site heap leaching technology for bioavailable Pb, Zn, Cd and Cu stripping from contaminated soil. Risk associated with the use of chelator will be assessed by a standard earthworm (Eisenia fetida) and soil respirometry tests. Effectivenes in risk reduction, effect on soil quality, and estimated cost of some existing remediation methods and new bioavailable heavy metal stripping method will be compared. Several methods will be used in the proposed battery of tests for measuring bioavailability (potential toxicity) and environmental hazard of heavy metals in soil before and after remediation: fractionation of heavy metals in soils (sequential extractions), mobility of heavy metals in soil (TCLP test), human physiological bioavailability (Ruby''s test) and phytoavailability for phytoaccumulating plant T. goesingense (potential phytoavailability) and for lattuce (L. sativa). Possible relationship between pedological and physico-chemical properties of soils contaminated with Pb, Zn and Cd from Mežica valley, Slovenia, results of battery of tests, and effectivity of soil remediation methods for bioavailable heavy metal stripping will be examined with statistical tools. Based on the obtained results, a protocol for selection proper remediation method for different contaminated sites in Mežica valley will be proposed.
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