Abstract
Thermal drying is one of the most energy-intensive processes in the entire technological chain of processing mineral fertilizers and is a necessary process to achieve the desired quality of finished products. The cost of thermal drying is 10% of the total cost of processing. In such conditions, it remains an urgent task to create highly efficient, energy-saving drying regimes and to solve drying apparatuses, first of all, by regulation and optimization of heat exchange processes.
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