Abstract
In this experimental study, the effect of mass of paraffin wax as ESM is studied during solar evaporation of sugarcane juice in a sustainable energy recovery system (SERS) having series of stepped solar stills. In this research work, three systems are taken under experiments viz. SERS-ESM15, SERS-ESM30 and SERS-ESM60, respectively laden with 675 g, 1350 g and 2700 g of paraffin wax. The distillate production and brix content of final product are found to increase with mass of ESM and SERS-ESM60 gives optimum results (2175.6 g and 25.8 oB). SERS-ESM60 is found thermally more efficient having energy efficiency of 245.32 % which is respectively, 330.8 % and 159.4 % higher than those of SERS-ESM15 and SERS-ESM30. The exergy efficiency of SERS-ESM60 is also observed maximum (16.78 %). The carbon credits earned by SERS-ESM60 are evaluated as $123.92 and it is found to mitigate 8.26 tonnes of CO2 per year that makes it environmentally friendlier among the tested systems. Also SERS-ESM60 is found economical with total productive cost of $124.12/year. It is inferred that SERS becomes more sustainable and stable with increase in mass of ESM and could be used in NCS industry for its sustainable transition.
Published Version
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