... hydro transport of specific mineral ores, concentrates and tailings, including: copper, iron, zinc, bauxite, lead, gold, coal, nickel laterite, ... and others. UHMWPE pipelines transport many types of materials: coal, copper, iron, and phosphate concentrates, limestone, lead, zinc, nickel, ... is also used to transport tailings from a mineral processing plant, after the ore has been processed, to dispose ...