The surface sorption nature of bioadsorbents derived from leaves, stem or bark of Nerium odorum and Calotropis zygantia are successfully explored in extracting chromate ions from polluted water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/control-chromate-polluted-waters-biological-approach
[2] http://admin.indiaenvironmentportal.org.in/category/author/o-sree-devi-and-k-ravindranath
[3] http://admin.indiaenvironmentportal.org.in/category/journal/indian-journal-environmental-protection
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-treatment-technology