Method and system for harmless treatment and classified resource utilization of organic silicon slurry residues and waste contact bodies

The invention provides a method and system for harmless treatment and classified resource utilization of organic silicon slurry residues and waste contact bodies, and belongs to the technical field of metal refining. Part of grinding hydrolysate, part of dump leaching liquid and organic silicon slurry residues are hydrolyzed to obtain grinding hydrolysate and hydrolysis residue powder, the hydrolysis residue powder is subjected to dump leaching to obtain dump leaching liquid and dump leaching solid residues, and the dump leaching solid residues are subjected to solid-liquid separation; the dump leaching liquid is reduced through iron powder to prepare sponge copper, metal copper is prepared through electrodeposition after extraction and back extraction, and metal zinc is prepared through electrodeposition after extraction and back extraction; carrying out dissolution and solid-liquid separation on dump leaching solid residues, carrying out water washing and causticization reaction on an obtained liquid phase