Abstract
Methods of utilization of process dust by returning it to the rotary kiln are considered. To reduce the emission of fine dust of electrostatic precipitators into the atmosphere and to increase the efficiency of its utilization it was proposed to remove it from the furnace turnover, not to mix it with the dust of the dust chamber, and then to dispose of it according to a separate scheme. It has been established that the return to the correction pool of the raw materials workshop of JSC RUSAL Achinsk of fine technological dust caught in the 1st, 2nd and 3rd electric field of the sintering furnace electrofilters will reduce the consumption of limestone to 530 thousand tons per year, while improving the overall environmental situation at the industrial enterprise.
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