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Controlling technologies of SO2 by adsorption techniques

D. Sirisha1 and K. Mukkanti1 *

1 Centre for Environment, IST, JNTU, Kukatpally, Hyderabad India

DOI: http://dx.doi.org/10.12944/CWE.1.2.13

The present studies deals with the adsorption of SO2 by manganese oxide i.e., Pyrulusite ore. Pyrulusite is used as an adsorbent for the present studies. It is found that the percentage removal of SO2 increases with the increase in contact time, follows first order kinetics and a unimolecular layer is formed during the process. The percentage removal of SO2 increases with increase in dosages and decreases with increase in concentration. Thermodynamic parameters such as enthalpy, entropy and free energy of the process were determined which indicates that the process is spontaneous and exothermic in nature. The negative values of S indicate the increased randomness at the solid interface during the adsorption of SO2.


SO2; Adsorption Techniques; Pyrulusite

Copy the following to cite this article:

Sirisha D, Mukkanti K. Controlling technologies of SO2 by adsorption techniques. Curr World Environ 2006;(1):169-172 DOI:http://dx.doi.org/10.12944/CWE.1.2.13

Copy the following to cite this URL:

Sirisha D, Mukkanti K. Controlling technologies of SO2 by adsorption techniques. Curr World Environ 2006;(1):169-172. Available from: http://www.cwejournal.org/?p=1028

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