RECOVERY METHOD OF SILVER FROM LEACHING SOLUTION OF WASTE SOLAR WAFER

摘要

The present invention relates to a method for recovering silver from leachate from waste solar cells. In one embodiment, the method for recovering silver from the waste solar cell leachate comprises: preparing a leachate containing silver (Ag) and aluminum (Al) by contacting the waste solar cell with an acid solution; Preparing a mixture comprising the leachate and an extractant; Separating an organic phase containing silver and an aqueous phase containing aluminum from the mixture; And contacting the organic phase with the first stripping agent to obtain a first treatment solution and a filtrate containing silver, wherein the extracting agent includes trioctyl phosphine oxide.