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Technoeconomic and life cycle analysis of soluble dietary fiber concentrate production from waste orange peels. | LitMetric
This research aims to optimize the environmentally sustainable and economically feasible process for soluble dietary fiber concentrate (SDFC) production from waste citrus peel by different physical methods, including micronization, autoclave, autoclave followed by micronization, extrusion, and ultrasonication. The study is mainly divided into two sections. The first section deals with a detailed life cycle assessment (LCA) of the size 40 kg SDFC/batch process and investigates the influence of various renewable energy sources, including biomass, solar, and wind electricity, on the environmental impact and compares it with mixed grid electricity. It was observed that the use of solar and wind electricity reduces CO emissions by 95.93 % and 99.07 %, respectively. In the second section, technoeconomic analysis (TEA) was performed of all processes for the same capability as LCA, with sensitivity analysis to investigate the influence of batch size by varying batch size from 10 kg to 250 kg to investigate the impact of scale-up from pilot to industrial scale. Moreover, study the impact of energy sources from mixed-grid to renewable energy on total plant economics. TEA shows that extrusion performs the best among all, with an internal rate of return of 43.77 %. Whereas by using solar-based electricity, the overall utility cost is reduced by 58 % compared to the mix grid electricity.
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