Copper sludges, nickle sludges, concentrates and mo, v, ni, spent catalyst either roasted.
Spent Catalyst, Recycling Product, Zinc Dust, Eaf Dust, Tin Slag.
Zinc Eaf Dust, Copper Matte, Copper Lead Concentrates, Spent Catalyst, Lead Ash.
Base metal sludge, cu, ni, zn, pt, pd, rh spent catalyst & scrap, commoditity, precious metal, chemical (variety), catalyst.
