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You are here : Home Studies to Limit Bioaccumulation of Heavy Metals in Biomass Grown on Lignite Fly Ash Deposits
| Last Updated:: 23/04/2014

Studies to Limit Bioaccumulation of Heavy Metals in Biomass Grown on Lignite Fly Ash Deposits

 

Studies to Limit Bioaccumulation of Heavy Metals in Biomass Grown on Lignite Fly Ash Deposits

 

 

SMARANDA MASU1*, LUMINITA NICOLETA JURJ2

1 National R & D Institute for Industrial Ecology Branch of Timisoara, 1 Regina Maria Str. 300004, Timisoara, Romania
2 Politehnica University of Timisoara, 2 Victoriei Sq., 300006, Timisoara, Romania

 

 

ABSTRACT

The bioaccumulation of Cr, Cu, Fe, Mn, Ni, Pb and Zn, in clover harvest is significantly reduced when using municipal stabilized sludge (biosolids) fertilizer mixed with indigenous volcanic tuff. This study investigates an ecological vegetation method for lignite fly ash deposits. Furthermore, adding biosolids provides nutrients and the tuff secure the water retention: they gradually released from the plant need. The coverage of selected plant Trifolium pretense was evaluated in the following variants: fly ash in absence/presence of biosolids fertilizer and volcanic tuff. The vitality and abundance of plant was significantly higher when using biosolids and tuff vs. other variants.

 

 

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