Experimental Study on the Effects of Air Velocity, Temperature and Depth on Low-temperature Bed Drying of Forest Biomass Residue

Experiments are carried out for a wood chip bed dryer with a perforated floor. Methodology for the calculation of a benefit-cost ratio is created and validated with experimental results. Statistical analysis was performed and empirical models with non-linear multivariate correlation equations describing the drying rate, and the benefit-cost ratio were developed. With the appropriate adjustments this methodology can be used for the economic evaluation of a biomass dryer.