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Rehabilitating former landfill sites: A case study in habitat restoration

Publication Type : Conference Proceedings

Publisher : IEEE Global Humanitarian Technical Conference (GHTC 2013)

Source : IEEE Global Humanitarian Technical Conference (GHTC 2013), San Jose, California USA (2013)

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Keywords : Arsenic, bioremdiation, cadmium, chromium, Cobalt, community awareness, compost, composting, contaminated site remediation, contaminated soil, copper, decontamination, ecology, ecorestoration, Educational institutions, former landfill site rehabilitation, habitat restoration, heavy metal contaminated open garbage dump, Heavy metals, lead, Mercury (metal), Metals, Microorganisms, mulching, phytoremediation, phytoremeditation, rhizosphere, river pollution, river sediments, Rivers, Sediments, Soil, soil pollution, soil-restoring microorganisms, Solids, surface addition, Sustainable development, vegetation, vermicompost, vetiver, vetiver grass, Waste disposal

Campus : Amritapuri, Coimbatore

School : School of Engineering

Department : Chemical, Chemistry

Verified : Yes

Year : 2013

Abstract : This paper describes the dramatic success in the eco-restoration of a heavy-metal contaminated open garbage dump. A number of heavy metals (As, Cd, Cu, Co, Pb, Hg, Cr) were detected in the soil and river sediment at the site. The main restoration activities included mulching, surface-addition of compost and fresh soil and phytoremediation using vetiver and other plants. Within three years of the restoration activities, heavy metal concentrations in the contaminated soil reduced drastically. There was relatively low uptake of the heavy metals by the plants; however, they might have been crucially responsible for providing a favorable environment for soil-restoring microrganisms in their rhizosphere. Observable habitat-restoration continues at the site, including the return of birds and insects and other wildlife, making this an ideal site for further research and demonstration for community awareness and education.

Cite this Research Publication : Peter Ash, Anju Bist, Dr. Smitha Chandran S., Dan Sullivan, and Nikhil Korthurkar, “Rehabilitating former landfill sites: A case study in habitat restoration”, in IEEE Global Humanitarian Technical Conference (GHTC 2013), San Jose, California USA , 2013.

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