Modeling and Design of a Solar Rotary Dryer Bench Test for Phosphate Sludge

Table 1

Base case for drying conditions of the bench-scale rotary dryer simulation.

Variable	Code	Value	Unit	Range
Product mass flow		5	kg/h
Solid inlet moisture		30	%
Air inlet humidity		0.01	kg water/kg
Product inlet temperature		20	°C
Air inlet temperature		200	°C
Bulb temperature		40	°C
Air velocity		0.5	m/s	0.5-5
Heat loss factor		10	%