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Odour Removal in Leather Tannery

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DOI: 10.4236/aces.2012.22024    5,541 Downloads   10,212 Views   Citations

ABSTRACT

Toxic odour causes pollution to environment. Removal of odour from wet processing sections of leather tanneries is important to preserve safety and occupational health. Such odour causing gases are identified in nature and are identified mostly as ammonia, Hydrogen sulfide and Volatile organic compounds. These gases, evolving from tanning drums, were experimentally quantified and analysed. Techniques for the abatement of odorous gases are designed using chemical methods. Scrubbing towers based on absorption of gases by liquid are designed and fabricated to evaluate the performance of the system in laboratory scale. Those gases were reduced in the concentration by absorbing through the packed bed vapour phase absorption using the activated carbon as the adsorbent. Results are helpful to conclude that the absorption technique presented here to reduce these toxic emission loads, seems to be simpler and economically cheaper.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

R. C. Panda, C. Lajpathi Rai, V. Sivakumar and A. Baran Mandal, "Odour Removal in Leather Tannery," Advances in Chemical Engineering and Science, Vol. 2 No. 2, 2012, pp. 199-203. doi: 10.4236/aces.2012.22024.

References

[1] IULTCS, “IUE-8: Recommendations for Odor Control in Tanneries,” 2008. http://www.iultcs.org/pdf/IUE8_2008.pdf
[2] H. B. Riffenburg and W. W. Alison, “Treatment of Tannery Wastes with Flue Gas and Lime,” Industrial & Engineering Chemistry Research, Vol. 33, No. 6, 1941, pp. 801-803. doi:10.1021/ie50378a026
[3] J. A. Zahn, et al., “Correlation of Human Olfactory Responses to Airborne Concentrations of Malodorous Volatile Organic Compounds Emitted from Swine Effluent,” Journal of Environmental Quality, Vol. 30, No. 2, 2000, pp. 624-634. doi:10.2134/jeq2001.302624x

  
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