Impeller Selection for Lignocellulosic Hydrolysis Reactors

How should a company select impellers for lignocellulosic hydrolysis reactors? Lignocellulosic slurries at high solids concentrations (10-30%) can be quite viscous. The author has seen somewhere the viscosity at a shear rate of 1/s is higher than 400,000 cP. Conventional agitator impeller selection guidelines would lead one to use helical ribbon impellers (figure 1; aka…

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