Solids concentration xylan hydrolysis

Figure 3, Effect of solids concentration on xylan hydrolysis yields after 15 minutes at 200°C,...

Fig. 3. Data and biphasic mass transfer leaching model predictions of xylan concentrations in solids and solution vs time for water-only batch tube hydrolysis of corn stover at 180°C and 10% solids.

These results could suggest that what has been traditionally been described as "biphasic" behavior may reflect a combination of chemical reaction and mass transfer effects, with each limiting xylan reaction and removal at different stages or modes of operation. This effect might be better described by a model that incorporates reaction of solids to form soluble species as a function of temperature and acid concentration coupled with a second mass transfer step that is affected by flow. On this basis, we plan to investigate whether the pore leaching model could be simplified and adapted in this way to better describe hemicellulose hydrolysis. 

Synergy with Xylan Removal and CeUulases Enzymatic Hydrolysis at High Concentrations of Biomass Solids... 

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