| Literature DB >> 20080327 |
A Ruttens1, K Adriaensen, E Meers, A De Vocht, W Geebelen, R Carleer, M Mench, J Vangronsveld.
Abstract
A soil column leaching experiment was used to gain insight into the long-term metal immobilization capacity of cyclonic ashes (CAH) compared to lime (LIME). Twenty six years of rainfall were simulated. Initially, all amended soils were brought to an equal soil pH. This was done to obtain optimal conditions for the detection of metal immobilization mechanisms different from just a pH effect. During the simulation period, soil pH in all treatments decreased in parallel. However, the evolution of metal mobility and phytoavailability showed a clearly distinct pattern. The strong reduction in metal immobilizing efficiency observed in the lime treatment at the end of the simulation period was much less pronounced, or even absent, in the CAH treatments. Moreover, metal accumulation in plants grown on the CAH amended soil was significantly lower compared to the untreated and the lime treated soil. CAH + SS treatment delivered the strongest reductions in metal mobility and bioavailability. Copyright 2009 Elsevier Ltd. All rights reserved.Entities:
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Year: 2010 PMID： 20080327 DOI： 10.1016/j.envpol.2009.12.037
Source DB: PubMed Journal: Environ Pollut ISSN： 0269-7491 Impact factor: 8.071