Description of technogenic spoil bank and its influence on agricultural soils (a case of nickel metallurgy refuse at Sered)
2004
Sobocka, J.,Vyskumny ustav podoznalectva a ochrany pody, Bratislava (Slovak Republic) | Poltarska, K.,Vyskumny ustav podoznalectva a ochrany pody, Bratislava (Slovak Republic)
The Nickel foundry in the Sere #271; region is thought to be tightly connected with environment pollution in the region, even though it undoubtedly already stopped its production activity. Nevertheless there are some indications of further contamination in surrounding soils and ground water. The environmental load is caused by about 5.5 mil. tons of technogenic material - product of nickel metallurgy refuse displaced on 54 ha area at former smelting work. An estimated area of agricultural soils on what it can be presumed increased content of Ni, Co and Cr is of 1 500 ha. Soils in Sere #271; area has got 7-8 times higher concentration of nickel than other areas. One of the goals of the paper is to describe, analyse and classify the technogenic alkaline spoil bank (as anthrozemic soil type) using pedological methods. Assessment of technogenic material influence on running soil-forming processes is a part of our research. Properties of these soils are unusual by their nature and help to identify Anthrosols. The second goal is to point out the technogenic spoil bank impact and/or infliction on surrounding agricultural soils and ground water. The paper describes geochemical processes of nickel as one of compound causing environment pollution. On the base of several analytical results we have tried to define other possible pollution resources of this area as it was formerly assumed. A part of environmental survey of risk areas represents also re-cultivation measures what were depending upon characteristics of obtained analytical results.
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