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ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
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Research Article

Biological Approach for the Treatment of Pulp and Paper Industry Effluent in Sequence Batch Reactor

Virendra Kumar1,2, Purnima Dhall1, Sanjay Naithani2, Anil Kumar3* and Rita Kumar1*
1Institute of Genomics and Integrative Biology, Mall Road, Delhi, India
2Forest Research Institute, P.O. New Forest, Dehradun, India
3National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi-110067, India
Corresponding Authors : Rita Kumar
Institute of Genomics and Integrative Biology
Mall Road, Delhi-110007, India
Tel: 91-11-27662133
Fax: 91-11-27667471
E-mail: [email protected]
  Anil Kumar
National Institute of Immunology
Aruna Asaf Ali Marg, New Delhi, India
Tel: +91-11-26717106
Fax: +91-11-26742125
E-mail: [email protected]
Received December 11, 2013; Accepted February 19, 2014; Published February 25, 2014
Citation: Kumar V, Dhall P, Naithani S, Kumar A, Kumar R (2014) Biological Approach for the Treatment of Pulp and Paper Industry Effluent in Sequence Batch Reactor. J Bioremed Biodeg 5:218. doi:10.4172/2155-6199.1000218
Copyright: © 2014 Kumar V, et al. This is an open-a ccess article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Pulp and paper industrial effluent is rich in recalcitrant compounds and causes pollution. For the treatment of such compounds activated sludge process is frequently used in which F/M ratio is kept low. This treatment results in effective biochemical oxygen demand removal but other waste water parameters are not reduced effectively due to lack of dissolve oxygen.

In the present study sequential batch reactor was used for the removal of pollutants from the waste water of pulp and paper mill by using bacterial consortium (Klebsiella sp., Alcaligens sp. and Cronobacter sp.). The aim of present research is to identify the influences of F/M ratio and dissolved oxygen concentration on the microorganism’s growth and pollutant removal. The process of bioremediation was optimized by Taguchi approach. Bioremediation experiment resulted in reduction of chemical and biochemical oxygen demand up to 72.3% and 91.1%, respectively. A significant reduction in colour (55%), adsorbable organic halides (45.4%), total dissolve solids (22%) and total suspended solids (86.7%) was also observed within 14hrs while, the sludge volume index was 52. The wastewater after the treatment process meets the standard given by regulatory agencies and can be discharged into the environment without any risks.

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