AccScience Publishing / AJWEP / Volume 10 / Issue 4 / DOI: 10.3233/AJW-2013-10_4_10
RESEARCH ARTICLE

Comparative Performance Evaluation of Sewage  Treatment Plants in Gurgaon

Vaishali Sahu1* V. Geetha Varma1
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1 Department of Civil Engineering, ITM University, Sector 23A, Gurgaon, Haryana, India
AJWEP 2013, 10(4), 89–97; https://doi.org/10.3233/AJW-2013-10_4_10
Submitted: 5 June 2012 | Accepted: 9 September 2013 | Published: 1 January 2013
© 2013 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )
Abstract

The rapid growth of the population, the technological and industrial boom has brought enormous  problems and degradation of the environment. Pollution caused by sewage discharged from cities and towns is  the primary cause for degradation of water resources. Hence a proper and planned sewage treatment is needed.

Gurgaon city hosts two sewage treatment plants located in Dhanwanpur village. These plants are designed and  constructed with an aim to manage wastewater so as to minimize and/or remove organic matter, solids, diseasecausing organisms and other pollutants, before disposal. This article evaluates and compares the actual behaviour  of full-scale anaerobic and aerobic wastewater treatment plants in operation in Gurgaon, providing information  on the performance of the processes in terms of the quality of the generated effluent and the removal efficiency  achieved. The observed results of effluent concentrations and removal efficiencies of the constituents TSS, BOD,  COD, VSS and BOD/COD ratio have been compared with the typical expected performances as per the standards  given by CPCB. The treatment technologies selected for study were anaerobic-UASB and aerobic-ASP plants.  The results, confirmed by statistical tests, showed that, in general, the best performance was achieved by ASP,  but closely followed by UASB reactor, when operating with any kind of post-treatment. It was revealed from  the performance study that efficiency of the two treatment plants was adequate with respect to removal of TSS,  BOD, COD and VSS. In UASB, TSS, BOD, COD and VSS removal efficiency was 90.2, 87.4, 86.96 and 86.4%  respectively, while in ASP, TSS, BOD, COD and VSS removal efficiency was 88.8, 90.07, 84.15 and 90.5 %  respectively. The order of removal efficiency was VSS < COD < BOD < TSS and COD < TSS < BOD < VSS  respectively in UASB and ASP STPs. Additionally, the problems associated with the operation and maintenance  of wastewater treatment plants is discussed.

Keywords
ASP
BOD
COD
TSS
UASB and VSS
Conflict of interest
The authors declare they have no competing interests.
References

APHA, AWWA and WEF (1998). Standard Methods for Examination of Water and Wastewater, 21st edition. American Public Health Association, Washington (DC).


CPCB (2007). Evaluation of Operation and Maintenance of Sewage Treatment Plants in India. Central Pollution Control Board, Delhi, and Control of Urban Pollution Series: CUPS/68/2007.


Ellis, Timothy G. (2010). Environmental and Ecological Chemistry. Vol. II: Chemistry of waste water.


Garg, S.K. (2010). Sewage Disposal and Air Pollution Engineering. 22nd edition. Khanna Publications, New Delhi.


Indian Standard Specifications IS 4733. Methods of sampling & test for sewage. Bureau of Indian Standards, New Delhi, India.


Indian Standard Specifications IS 4764. Tolerance limits for sewage effluent discharged onto inland surface water. Bureau of Indian Standards, New Delhi, India.


Indian Standard Specifications IS 8403. Code of Practice for Construction of Clarification Digester for treatment of sewage. Bureau of Indian Standards, New Delhi, India.


Metcalf and Eddy (2003). Wastewater Engineering—Treatment and reuse. Tata McGraw-Hill, New Delhi.


Ravi Kumar, Liza Britta Pinto and R.K. Somasekhar (2010). Assessment of the Efficiency of Sewage Treatment Plants: A comparative study between Nagasandra and Maiasandra Sewage Treatment Plants. Journal of Science, Engineering and Technology, Kathmandu University, 6(2): 115-125.


Vigneswaran, S. and M. Sundaravadivel (2004). Recycle and Reuse of Domestic Wastewater. In: Wastewater Recycle, Reuse and Reclamation [Ed. Saravanamuthu (Vigi) Vigneswaran], in Encyclopedia of Life Support Systems (EOLSS), Developed under the Auspices of the UNESCO. Eolss Publishers, Oxford, UK.

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Asian Journal of Water, Environment and Pollution, Electronic ISSN: 1875-8568 Print ISSN: 0972-9860, Published by AccScience Publishing