... , forage, fertilizer industry, such as straw, grasses, and sawdust and tree leaves, fish meal, corn, rice, wheat, corn sauce, starch slag, ... wastes, slaughterhouses waste, organic fertilizer, inorganic phosphate fertilizer and ammonium sulfur.2. Maize Flour Dryer structure Rotary dryer ... air-flow and changed into vapour to be discharged into the atmosphere. Then the material would be dried.4. ...