Facility

STL Big Hill germanium recovery plant

Umicore reports that STL processed germanium-bearing Big Hill tailings at its hydrometallurgical plant and prepared the first germanium concentrate shipment for Umicore.

Facts on this page last re-verified Aug 18, 2026 — the oldest verification date among its current claims. How we verify.

Location: Lubumbashi, Haut-Katanga, Democratic Republic of the Congo

Byproduct recovery

Big Hill germanium recovery line

Operating

Hydrometallurgical recovery from historic polymetallic tailings

Material flow

Zinc-Process Germanium-Bearing Residues → Germanium Leach Concentrate

Capacity

No capacity claim. Absence of a figure means no source publishes one.

Qualification

No qualification claim. Status does not imply qualified output.

Sources

Umicore · published Oct 1, 2024 · retrieved Aug 18, 2026 · archive