Technical actions for decrease in harmful effects on the surrounding environment from the rotating furnaces of agglomeration of JSC RUSAL Achinskare offered. Additional technical solution on tertiary treatment of flue gases of the furnace of agglomeration in a scrubber electric precipitators and the direction of purified gases on repartition of carbonization of the aluminous shop is developed. the providing decrease in harmful emissions in the atmosphere to the level of maximum-permissible concentration. The carried-out trial tests of the offered technology confirmed that except effective purification of flue gases of furnaces of agglomeration of inorganic dust and carbon dioxide the high extent of decomposition of alyuminatny solution necessary for technology of receiving alumina is provided.
The environmental problems of alumina production, caused by the formation of waste gas treatment plants are considered. The phase and chemical composition and microstructure of dust from gas treatment facilities of thermal power plants has been studied. It has been suggested to use gas-cleaning plant wastes as active mineral additives in road mixtures. The possibility of using electrofilter dust as a mineral powder for asphalt concrete has been experimentally verified. It has been established that the properties of asphalt concrete using the dust from gas cleaning facilities of heat-power equipment of alumina production are practically the same as those of asphalt concrete prepared on the crushed limestone rock of Mazul limestone mine.
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