h moisture content is A solid having 40% moisture is to be dried in a a continuous counleneurnent tunnel dryer at a rate oq 1600 kg/h (dry, basis). It remains at the wet bulb temperature of the drying gas all through the dingen - The evitical moisture content is 20%. The cruilibrisen negligible. The dried solid leave with 0.6 % moistune without superheating. Given, surface anen for dryong 20:08 77/ hy day solide 1 m2 Specific of day solid, & eps 1 kJ/kg 'C. drying geo C temperature 150, humidity 003) is kg/h - Mars transfer to efficient, ky = 115 kg/m hay. All moisture contents , are wet basis calculate the drying time. - of for the day heat of 16,000 supplied at a rate . saturention 45.5C, corresponding WBT inlet gas humidity = 0.0662