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Metal Contamination In Plants Due To Tannery Effluent

Journal: International Journal of Scientific & Technology Research (Vol.4, No. 11)

Publication Date:

Authors : ; ; ; ;

Page : 158-162

Keywords : Index Terms Heavy metals; tannery effluent; contamination; atomic absorption spectrophotometer; Hazaribagh; Jute plants;

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Abstract This paper analyzes the determination of heavy metals named Chromium Lead and Cadmium deposited in soil as well as in the plants and vegetables due to the tanning industries of the area of Hazaribagh Dhaka. The tanneries discharge untreated tannery effluents which get mixed with the soil water of rivers and canals in this area. The determination of metals was performed for the soil that was collected from the land adjacent to the canals which bear untreated tannery effluents. The soil is affected with the untreated effluents through the deposition of heavy metals. The metals were furthers deposited into the plants and vegetables grown on that soil. The roots stems and leaves of the plants of Jute Corchorus capsularis and Spinach Basella alba grown on that soil were analyzed for determining these metals. Extreme amount of chromium was found for plants and again Lead Cadmium were found in higher amount in these parts of the two plants. These two plants are taken as a popular vegetables extensively. In case of soil the amount of Chromium Lead and Cadmium were analyzed as 87 mgL 0.131 mgL and 0.190 mgL respectively. For the roots stems and leaves of Jute Corchorus capsularis the average values are 115.62 mgL for Chromium 11.25 mgL for Lead and 2.27 mgL for Cadmium respectively. Again in case of Spinach Basella alba 124.42 mgL was found for Chromium 7.38 mgL for lead and 2.97 mgL for Cadmium as average values for these parts of the two trees. All the observed values of metals of Chromium Lead and Cadmium are higher than the permissible and specially for Chromium the amount is extremely higher.

Last modified: 2016-04-24 17:47:30