Slag news

All news on Slag (also known as Ground Granulated Blast Furnace Slag (GGBFS) and Blast Furnace Slag): plants, production capacities, investments and involved companies.

7 September 2026

Metso to supply DRI smelting and rotary kiln for Eti Bakir’s Mazidagi zero-waste plant

Expansion at Mazidagi will convert leach residue into iron and slag using rotary kiln pellets and a 30 MVA DRI smelting furnace to cut waste and recover value.
31 August 2026

thyssenkrupp Steel starts partial refurbishment of Schwelgern 2 blast furnace

Six-week partial refurbishment of Europe’s largest blast furnace begins Aug 30; cooling, refractory and auxiliary systems serviced; occasional night-time noise possible.
20 July 2026

Cimpor reactivates Sines grinding plant for GGBFS production

Sines grinding plant restarted to produce ground granulated blast furnace slag (GGBFS); capacity >400,000 t/yr, 2,500 t ready for dispatch; near Port of Sines; supports decarbonisation and local jobs.
21 November 2025

Heidelberg Materials Acquires Walan Specialty to Expand Low-Carbon Portfolio

The acquisition includes a slag grinding plant, enhancing low-carbon products and market reach in the U.S. Northeast. Financial terms undisclosed.

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