Influence of chemical composition on biochemical methane potential of fruit and vegetable waste
Triolo, Jin Mi
Flotats Ripoll, Xavier
This study investigates the influence of chemical composition on the biochemical methane potential (BMP) of twelve different batches of fruit and vegetable waste (FVW) with different compositions collected over one year. BMP ranged from 288 to 516 LN CH4 kg VS−1, with significant statistical differences between means, which was explained by variations in the chemical composition over time. BMP was most strongly correlated to lipid content and high calorific values. Multiple linear regression was performed to develop statistical models to more rapidly predict methane potential. Models were analysed that considered chemical compounds and that considered only high calorific value as a single parameter. The best BMP prediction was obtained using the statistical model that included lipid, protein, cellulose, lignin, and high calorific value (HCV), with R2 of 92.5%; lignin was negatively correlated to methane production. Because HCV and lipids are strongly correlated, and because HCV can be determined more rapidly than overall chemical composition, HCV may be useful for predicting BMP.
504 - Threats to the environment
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Edwiges, Thiago, Laercio Frare, Bruna Mayer, Leonardo Lins, Jin Mi Triolo, Xavier Flotats, and Mônica Sarolli Silva de Mendonça Costa. 2018. "Influence Of Chemical Composition On Biochemical Methane Potential Of Fruit And Vegetable Waste". Waste Management 71: 618-625. Elsevier BV. doi:10.1016/j.wasman.2017.05.030.
Sostenibilitat en Biosistemes
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