| The landfill may be saturated for high-kitchen-waste-content municipal solid waste(MSW).For MSW experiencing solid mass loss,the consolidation process with external loading is complex.The anaerobic degradation model of municipal solid waste(MSW)is developed to study the influence of temperature on the biochemical degradation process in MSW.The existing first-order dynamic equation of biochemical degradation is improved to take the temperature into consideration by introducing a temperature dependent coefficient for both hydrolysis and methanogenesis process.With the numerical simulation program OGS,the impacts of temperature on the degradation processes of cellulose,total sugar,protein and fat are analyzed,and also the hydrolysis and methanogenesis processes at different temperature are investigated.The numerical model is calibrated by a pilot-scale experiment of MSW to reveal the effect of temperature in multi-field coupling.The results show that in the temperature range of 10?45 ?,the biological degradation process can be significantly influenced by temperature. |
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