Heavy metals concentration in different processing operational waste water from tannery industry

Authors

  • Md Didarul Islam, Ashiqur Rahaman, Aboni Afrose Department of Applied Chemistry and Chemical Engineering, University of Dhaka, Bangladesh; Institute of Leather Engineering and Technology, University of Dhaka, Bangladesh

DOI:

https://doi.org/10.25081/imrj.2017.v7.3368

Abstract

An investigation was conducted to assess the concentration of heavy metals from waste water of tannery industry located at Hazaribagh area, Dhaka, Bangladesh. The total contents of Cr, Ca, Na, Zn, Hg, Mn and Ni were determined using Atomic Adsorption Spectroscopy (AAS) method which were followed by a wet ashing Digestion process. Average concentration of those heavy metals obtained from different operational section of Samina tannery industry were found 416.89, 628.03, 235.78, 3.912, 0.054, 20.952 and 3.106 mg/l for Cr, Ca, Na, Zn, Hg, Mn and Ni respectively. As recommended by the World Health Organization, the level of those heavy metals in the tannery effluent from different sections have been found highly contaminated and not suitable for irrigation purpose and harmful for environment.      

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How to Cite

Aboni Afrose, M. D. I. A. R. “Heavy Metals Concentration in Different Processing Operational Waste Water from Tannery Industry”. International Multidisciplinary Research Journal, vol. 7, Feb. 2018, pp. 18-22, doi:10.25081/imrj.2017.v7.3368.

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Research Articles