Heavy Metals in Contaminated Soils: A Review of Sources, Chemistry, Risks and Best Available Strategies for Remediation

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Material</td><td align="center">Heavy metal<br/> immobilized</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Lime (from lime factory)</td><td align="center">Cd, Cu, Ni, Pb, Zn,</td></tr><tr><td align="left">Phosphate salt (from fertilizer plant)</td><td align="center">Pb, Zn, Cu, Cd</td></tr><tr><td align="left">Hydroxyapatite (from phosphorite)</td><td align="center">Zn, Pb, Cu, Cd</td></tr><tr><td align="left">Fly ash (from thermal power plant)</td><td align="center">Cd, Pb, Cu, Zn, Cr</td></tr><tr><td align="left">Slag (from thermal power plant)</td><td align="center">Cd, Pb, Zn, Cr</td></tr><tr><td align="left">Ca-montmorillonite (mineral)</td><td align="center">Zn, Pb</td></tr><tr><td align="left">Portland cement (from cement plant)</td><td align="center">Cr, Cu, Zn, Pb</td></tr><tr><td align="left">Bentonite</td><td align="center">Pb</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Inorganic amendments for heavy metal immobilization [<a href="/journals/isrn/2011/402647/#B87">82</a>].

International Scholarly Research Notices

tab5

Table 5

Table 5: Heavy Metals in Contaminated Soils: A Review of Sources, Chemistry, Risks and Best Available Strategies for Remediation 