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Estimation of the potential energy gain using salinity gradient principle in artificial saline wetlands

Gajendragadkar, Nishita (2022) Estimation of the potential energy gain using salinity gradient principle in artificial saline wetlands.

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Abstract:The current global energy generation in the world is mainly reliant on fossil fuels which contribute to emission of greenhouse gases. Considering the climate change scenario, and increasing energy demands, the current energy sources should be replaced with renewable and clean energy. Salinity gradient energy (SGE) is a clean and renewable source of energy obtained when two solutions with different salinities mix. Places where naturally occurring salinity gradients exist are river mouths where river meets the sea. However, considering the importance of river as freshwater source it is essential to consider exploitation SGE using other methods. In this study, the potential of SGE is studied for theoretical artificial saline wetlands in Africa by pumping seawater to create brine in evaporation ponds. SGE can then be harnessed from the salinity gradient between seawater and the highly saline pond. The aim of the study was to estimate the energy using satellite data for different variables. The water and salt balance approach are used to determine the salinity in the evaporation ponds. In this study, suitable locations for development of an evaporation pond are identified and theoretical energy estimations are made based on different combinations for the inflow and outflow of the saline water from the pond. Furthermore, the maximum potential energy from each pond is calculated.
Item Type:Essay (Master)
Faculty:ITC: Faculty of Geo-information Science and Earth Observation
Programme:Geoinformation Science and Earth Observation MSc (75014)
Link to this item:https://purl.utwente.nl/essays/92079
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