1. Various methods are used to remove arsenic, including leaching the arsenic containing materials with the agent containing rare earth compounds, obtaining the anhydrous arsenic solution, making contact with the precipitant, obtaining the arsenic free solution and precipitant, and separating the precipitant;

摘要

Method for removing material that contains as leaching agent which comprises material containing Rare Earth Compound, Solid Solution, and obtain arsenicada free ACEContact with precipitating Agent Solution, get free solution and precipitant Solution arsenicado precipitating and Separating device; and.