FIELD: gas purification. SUBSTANCE: invention relates to methods of removing high-resistance dust from corrosive gases. Invention is based on purifying gas stream in electric field of electrofiltrate with electrodes covered by corrosion-resistant and refractory coating manufactured via sparkle alloying with ferrochrome. Applied coating facilitates electrode regeneration process. Strength characteristics of layer make it possible to deform stock sheets to manufacture required type of precipitation electrode together with coating with no separation of the latter. EFFECT: improved performance characteristics of coated electrodes. 2 cl, 1 dwg, 2 tbl
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