FIELD: liquid removal from material, applicable for material drying, for heat treatment of material inclusive. SUBSTANCE: the invention may be used jointly with all known methods for heat treatment of material by treating agent, it will provide for reduction of cost of such a treatment by 10 to 30%, the reduction of cost is attained only due to the reduction of power consumption because of optimization of the conditions of such a treatment. EFFECT: enhanced reliability of control of liquid removal conditions. 1 dwg, 1 ex
