Phytoremediation of heavy metals from fly ash pond by Azolla caroliniana.
DOI: 10.1016/J.ECOENV.2012.05.002
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摘要: Abundance of naturally growing Azolla caroliniana (water fern) on the surface metal enriched fly ash (FA) pond reflects its toxitolerant characteristics. Results indicate efficiency A. for phytoremediation FA because higher bioconcentration factor. The concentration ranged from 175 to 538 and 86 753mgkg(-1) in roots fronds, respectively. Bioconcentration factor (BCF) values all metals root frond 1.7 to18.6 1.8 11.0, respectively, which were greater than one indicates accumulation potential caroliniana. Translocation (TF) 0.37 1.4 various heavy metals. field result proved that is a accumulator examined can be used pond.
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