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Potential Power Production from Salinity Gradient at the Hooghly Estuary System | OMICS International| Abstract
ISSN: 2576-1463

Innovative Energy & Research
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  • Research Article   
  • Innov Ener Res 2018, Vol 7(3): 210
  • DOI: 10.4172/2576-1463.1000210

Potential Power Production from Salinity Gradient at the Hooghly Estuary System

Mukesh Sharma1*, Arun Chakraborty1, Jayanarayanan Kuttippurath1 and Atul Kumar Yadav2
1CORAL, Indian Institute of Technology, , Kharagpur, India
2GEOMAR, Helmholtz Centre for Ocean Research, , Germany
*Corresponding Author : Mukesh Sharma, Centre for Oceans, Rivers, Atmosphere and Land Sciences, Indian Institute of Technology, Kharagpur, India, Tel: +919735990679, Email: mukeshiitkgp10@gmail.com

Received Date: Jun 08, 2018 / Accepted Date: Jun 26, 2018 / Published Date: Jul 02, 2018

Abstract

Salinity gradient energy is a clean source of renewable energy, which can be harnessed from a region where fresh river water connects to a hypersaline sea or lake. The funnel shaped Hooghly Estuarine river system connects to comparatively more saline Bay of Bengal. This change in salinity can be used to extract salinity gradient energy. Here, analyses has been done on the energy potential due to salinity gradient for the Hooghly estuarine system using Reverse Electrodialysis (RED) process to estimate the available energy. Using the available data for solving the required thermodynamic equations, theoretical potential as high as 1425.3 MW and low as 228.4 MW was calculated for the River Estuarine during May and November. The study also explains the effect of the monsoon season in the extractable energy. The viability of any such energy extraction project depends on the sale price of the generated power and membrane efficiency. A number of laboratory experiments in the previous studies were done, which state the energy efficiency of RED process to be 33-44 % considering equal volume of seawater and river water. The calculated values are based on recently available membranes and better results can be anticipated with the use of advanced membranes.

Keywords: Salinity; Energy efficiency; Reverse electrodialysis; Pressure retarded osmosis; Membrane technology; Renewable energy

Citation: Sharma M, Chakraborty A, Kuttippurath J, Yadav AK (2018) Potential Power Production from Salinity Gradient at the Hooghly Estuary System. Innov Ener Res 7: 210. Doi: 10.4172/2576-1463.1000210

Copyright: © 2018 Sharma M, et al. This is an open-access 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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