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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Assessment of Heavy Metal Contamination in Incinerated Medical Waste

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Author M. T. Shams, Sourav Ray, M.I. Kabir, T. Purkayastha.
ISSN 2225-7217
On Pages 904-911
Volume No. 2
Issue No. 10
Issue Date December 01, 2012
Publishing Date December 01, 2012
Keywords Medical waste, incinerator, bottom ash, heavy metal, contamination



Abstract

The incineration of medical waste (MW) is a significant alternative way for disposal of this category of waste. Thus nuisance has acknowledged much attention but relatively less attention has been given to bottom ash. Now bottom ash is dumped on the soil which mixes in to the soil as diffused pollutant. In this study bottom ash samples were collected from a typical MW incinerator and typical pollutants including heavy metals (Fe, Cr, Cd, Cu, Pb) concentration were examined by following standard extraction and detection procedure. Pollution Load Index, Ecological Risk Index, Enrichment Factor and Geo accumulation Index were applied to assess the level of heavy metal contamination. Co-relation factors of those heavy metals were also established. In our test, the concentration of Cu, Cr and Pb exceeded the tolerable level. The concentration of Cd did not exceed the tolerable level.


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