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Fig. 3 | Biotechnology for Biofuels

Fig. 3

From: How chip size impacts steam pretreatment effectiveness for biological conversion of poplar wood into fermentable sugars

Fig. 3

Predicted temperature at the center of a wood chip with dimensions used in this study versus pretreatment time at 180 °C based on a solution to two-dimensional heat conduction through a rectangular cross-section [10, 11]. Temperature profiles are given for 3 thermal diffusivities to represent a range of possible values that depend on grain direction, wood density, and hemicellulose content (Abasaeed et al. [12]). The inset table displays the numerical values of the estimated times it takes for the center of the wood chip to reach a specific temperature for each diffusivity

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