Nickel Scrap comprises various nickel-containing materials including battery scraps, alloy turnings, and plating residues. This recyclable material is processed to recover nickel for use in stainless steel and battery production.

Sources:

1. Batteries: Nickel-cadmium and nickel-metal hydride batteries
2. Alloys: Turnings and grindings from superalloys
3. Electroplating: Spent plating solutions and anodes
4. Catalysts: Spent nickel catalysts from chemical processes