Enhancement of Energy Efficiency in Waste Water Treatment Plants.

 Innovation : The Research Concept (ISSN: 2456–5474   RNI No. .UPBIL/2016/68367 VOLVol.-6* Issue-1* February- 2021)

 Paper Submission: 15/02/2021, Date of Acceptance: 26/02/2021, Date of Publication: 27/02/2021

 














Pramendra Shekhar
Pandey
 Student, 
Dept. of Civil Engineering,
Bhilai Institute of Technology, 
Durg, Chhattisgarh, India 



  Madhumati Kumari Yadav 
 Assistant Professor,
 Dept. of Civil Engineering, 
Bhilai Institute of Technology,Durg 
Chhattisgarh, India

Abstract

         Urban domestic waste water treatment systems are energy intensive and alsoa direct or indirect source of Green house gases (GHGs) emissions. In developed countries as per estimates it has been found that Waste water treatment plants (WWTPs) consumeabout 1 to 3% of the total electric energy output. Increase in energy prices and continuously deteriorating quality ofenvironment because of generation of energy forced the policy makers and other stakeholders to adopt suitablemeasures which not only increases the energy efficiency of WWTPs but also achieving the desired effluent quality at the same time.Waste water treatment requires lot of energy during several stages i.e. collection, pumping, treatment, handling, storage, disposal etc. On the other hand, waste water/sewage contains energy in different forms namely potential, chemical and thermal.The aim of this paper is to study the application of process modification techniques and management practices to achieve energy efficiency in some of WWTPs in the state of Chhattisgarh. Technical and management strategiesare suggested enhancing the energy efficiency of the WWTPs. With the implementation of technical strategies about184046 kWh of energy can be saved monthly which is around 18.17 % of the monthly electrical energy consumption andas a result ₹14.9 Million can be saved annually which otherwise have to be paid in the form of electricity bills. Anaerobicdigestion helps in recovery of chemical energy entrapped in wastewater and about 157 MkJ/day of fuel value can beobtained with the recovery of methane gas. This energy can be used for heating, production of electricity through heatturbines which can be used within the WWTP premises and also transmitted to the grids if required.

         for full paper please visit below link :

http://www.socialresearchfoundation.com/upoadreserchpapers/6/411/2103120931421st%20pramendra%20shekhar%20pandey%2013845.pdf

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