The invention relates to a method for
arsenic removal of
arsenic-containing dust and comprehensive recycling of valuable elements. According to the method, production of comprehensive
recovery of valuable metals such as
arsenic,
antimony, lead,
bismuth and the like from
smelting dust containing the arsenic, the
antimony and the lead is performed, accumulation of the arsenic in the
system is reduced, and harmless treatment is performed on the arsenic. With the method, through normal pressure alkaline leaching, soluble arsenic in the dust is removed, after trivalent arsenic in a leaching solution becomes pentavalent arsenic through
catalytic oxidation, stable arsenic-fixing minerals are synthesized with the method for arsenic
precipitation with
lime and the
precipitation transforming method and are solidified through piling, leaching residues are subjected to procedures of washing, reduction
smelting, oxidizing blowing and the like, and the various valuable elements are recycled to the maximum extent. With the method, the arsenic is removed from the dust, the
antimony, the lead, the
bismuth and the like are left in the arsenic-removed residues as much as possible, and separation and harmless treatment of the arsenic and the valuable metals can be realized. According to the method, the comprehensive
utilization rate of resources is high, the
raw material application range is wide, the problem of
pollution in the extraction process of the traditional technology is solved, and the method has the more obvious advantages for the dust produced in the lead and
zinc smelting process particularly.