Abstract
It is proposed to introduce an additional stage of "wet" cleaning of waste gases of caking at RUSAL Achinsk. For experimental industrial research, the work used a multi-vortex scrubber, in which the gas is cleaned in a dispersed water-air layer, formed by the flow of gases from the bottom up through the dispersing lattice. As an absorbent irrigation solution, it is proposed to use pre-heated up to 50 degrees Celsius water (PSH), containing an average of 8.98 g/dm3 and 16.74 g/dm3 of caustic and total alkaline, respectively. The efficiency of gas dust-cleaning was assessed depending on the consumption of PSH (0.2–1.2 l/m3 of gas at feed speeds of 0.2 hp and 0.4 hp), as well as the use of two schemes of its supply (flow and recycling).
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