Optimizing Heat Extraction from Compost

Authors: Nwanze, K., G. Clark
Description: Composting is an exothermic process from which useful energy can be captured in the form either of electricity or of heat for air or water. What the literature lacks are rigorously validated models of such systems and a systematic approach to their design. Previously published models represented changes in process variables (temperature, humidity, oxygen concentration, etc.) in the solid, liquid and gas phases of the compost. In this study, an updated model was created in the commercial, finite-element, multiphysics software COMSOL®, to simulate mass and energy balances in a cylindrical composter. The model will be validated against empirical data from barrel composters and will be used to develop guidelines for the optimal design of compost heat extraction systems.
Technical field: Renewable Energy
Conference name: CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Session name: Poster
Citation: Nwanze, K.. 2015. Optimizing Heat Extraction from Compost. CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Publisher: Canadian Society for Bioengineering
Date: 2015-07-05
Publication type:
  • Poster
Type: Text.Article
Identifier: CSBE15137
Coverage: Canada
Language 1: en
Rights: Canadian Society for Bioengineering

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