Synthesis Process Parameters Optimization And Characterization Of Banana Peel Based Bio-plastic

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In this study, a small scale laboratory bioplastic was synthesized and investigated using bananarnpeel as raw material. The effect of HCL concentrations, concentrations Glycerol, dryingrntemperature and residence time for hydrolysis were analyzed. Design of experiment for responsernsurface methodology (RSM) was used to analyze and optimize the simultaneous effect of HClrnconcentration (4%, 12%, 20% v/w), Glycerol concentration (4%, 8%, 12% v/w), dryingrntemperature (40⁰C, 50⁰C, 60⁰C) and Residence time of (5, 15, 25 minutes). A four-factor and rnthree-level Box-Behnken design was used to develop a statistical model to describe thernrelationship between physical and mechanical property of banana peel based bio film and thernchosen independent variables and to optimize the production parameters of banana peel basedrnbio-film. The model was statistically significant (p ˂0.0001). A relatively good quality bioplasticrnwith 9.348MPA of tensile strength, 13.523% Elongation at break, 62.883% water absorption andrn48.388% biodegradability was synthesized at optimum parameters of 52.424⁰C temperature,rnHCl concentration of (2.937ml HCl/25g of banana peel), glycerol concentration of (2.096ml ofrnglycerol/25g of banana peel) and 14.50 minutes of residence time for hydrolysis with high valuernof combined desirability (95.1%). Validation of the statistical model showed an insignificantrndifference between experimental and model-predicted results. After analyzing the results of thernprimary synthesized bioplastic, a new modified bioplastics was produced with 27 % improvedrnwater/moisture absorption using a Calcium carbonate as filler at the optimum conditions fromrnthe earlier experiments.

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Synthesis Process Parameters Optimization And Characterization Of Banana Peel Based Bio-plastic

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