公开(公告)号：US20240229192A1

公开(公告)日：2024-07-11

申请号：US18408984

申请日：2024-01-10

申请人： 9-TECH S.r.l.

发明人： Pietrogiovanni CERCHIER ,  Francesco MISEROCCHI

IPC分类号： C22B11/00 ,  B09B3/50 ,  B09B3/80 ,  C22B3/22 ,  C22B7/00 ,  C22B21/00

CPC分类号： C22B11/046 ,  B09B3/50 ,  B09B3/80 ,  C22B3/22 ,  C22B7/006 ,  C22B7/007 ,  C22B21/0023 ,  B09B2101/15

摘要： A process for recovering silver from a mass of scrap of photovoltaic cells. The process includes steps of: providing the scrap of photovoltaic cells, each including a silicon wafer on the upper surface of which an anti-reflective layer and silver lines are provided; immersing the scrap in water or in an aqueous solution; applying ultrasound to cause the silver to detach; sieving the solution to remove the coarse solid fraction containing the silicon wafer residue; and separating the fine solid fraction containing the silver from the solution.