Physical Properties of Biochar

By A. Downie, A. Crosky, P. Munroe. 2012

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Gasification biochar as a valuable by-product for carbon sequestration and soil amendment (2015, neutral): “Cereal straw has about 6 times the amount of minerals (ash) compared to the wood chips used to produce WGB, which might result in mineral matter occupying the pores of biochars or being exposed at the surface of the biochar particles and blocking the pores, thereby causing the lower SSA [32].”
Biochar Preparation, Characterization, and Adsorptive Capacity and Its Effect on Bioavailability of Contaminants: An Overview (2014, background): “revealed the experimental pyrolysis conditions performed at the heating rate of about 10 k/min up to the press cubed pyrolytic temperature ranging from 673 to 973K [46].”
Using biochar for remediation of soils contaminated with heavy metals and organic pollutants (2013, background): “This property is affected by the nature of the feedstock biomass material and the conditions under which the biochar is produced (Downie et al. 2009; Wu et al. 2012).”
Biochar as adsorbent for removal of heavy metal ions [Cadmium(II), Copper(II), Lead(II), Zinc(II)] from aqueous phase (2016, methodology): “Different conditions of pyrolysis process (such as temperature and duration of thermal treatment) and the wood biomass type influence the reduction in mass (Downie et al. 2009) from Scots pine- and Silver birch-produced biochar.”