... temperature resistance. High effiency rotary dryer for the whole world The scope of using: 1: chemical, mining,metallurgical ... fertilizer, sludge, waste of aquatic products, wastes in the food factories, slaughterhouse waste, organic fertilizer, inorganic fertilizer, ... phosphate fertilizer ammonium sulfate. 3: For the drying of the powder with special requirements and granular materials. Such ...