Combined system for producing steel and method for operating the combined system

Method and device for operating a smelting reduction process

Producing of pig iron from iron-containing materials

Method of operating regenerative heaters in blast furnace plant

System for energy optimization in a plant for producing direct-reduced metal ores

Carbon dioxide reduction in steelworks

System and method for reducing iron oxide to metallic iron using natural gas

Process for regulating joule value of offgases from plants for pig iron production or of synthesis gas

System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas

Process and plant for producing hot metal

System for recovering waste heat

Apparatus for manufacturing reduced iron and method for manufacturing the same

Exhaust processing and heat recovery system