Efficiency evaluation of three fluidised aerobic bioreactor based ...

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Apr 24, 2013 - bioreactor based sewage treatment plants in Kashmir. Valley ... The overall performance of the wastewater treatment plant effectively removed TCC, FC ..... Buffalo City and Nkokonbe Municipalities of the Eastern Cape.
Vol. 12(17), pp. 2224-2233, 24 April, 2013 DOI: 10.5897/AJB12.2748 ISSN 1684–5315 © 2013 Academic Journals http://www.academicjournals.org/AJB

African Journal of Biotechnology

Full Length Research Paper

Efficiency evaluation of three fluidised aerobic bioreactor based sewage treatment plants in Kashmir Valley Dilafroza Jan*, Ashok K. Pandit and Azra N. Kamili Centre of Research for Development, University of Kashmir, Srinagar-190006, Jammu and Kashmir, India. Accepted 5 April, 2013

The present investigation was conducted to monitor the physico-chemical characteristics and microbial load of sewage treatment plants (STPs) around the Dal Lake. The results show highly significant (P chemical oxygen demand (COD) > conductivity and fecal coliform (FC) > total coliform (TCC) > fecal streptococcus (FS) in the case of physico-chemical parameters and microbial characteristics, respectively. The overall performance of the wastewater treatment plant effectively removed TCC, FC and FS as follows, 52, 65 and 45%, respectively. Raw sewage showed insignificant (p>0.05) variation in some of the physico-chemical features and microbial load between the three STPs. Similarly, effluent also showed insignificant (p>0.05) variation in some of the physico-chemical features and microbial load, except conductivity which showed significant difference between the three STPs. Efficiency rates showed significant (p