August 20-25, 2017
The off-gassing tests for six types of charred pellets: canola straw, willow, bagasse, wheat straw, switchgrass and miscanthus, were conducted at room temperature 25±2 °C in sealed storage containers. Pairs of 2-litre sealable glass containers were filled with 800 g of each sample to approximately 75% of the container volume. One container contained charred pelles. The other container contained uncharred (untreated pellets). The two glass containers were sampled in alternate weeks for CO2, CO, O2, and CH4.
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Shahab Sokhansanj, C. J. Lim, and Sudhagar Mani, "Off-gassing of charred pellets during storage" in "Biochar: Production, Characterization and Applications", Franco Berruti, Western University, London, Ontario, Canada Raffaella Ocone, Heriot-Watt University, Edinburgh, UK Ondrej Masek, University of Edinburgh, Edinburgh, UK Eds, ECI Symposium Series, (2017). http://dc.engconfintl.org/biochar/61