Orissa Sponge Iron and Steel Ltd

Orissa Sponge Iron and Steel Ltd is an India-based, commercial-scale, coal-based sponge iron plant. The plant went into commercial production in 1984, with process technology from Allis Chalmers Corporation of United States using 80% coal and 20% oil. The process technology was later modified and developed to use 100% coal and is known as OSIL PROCESS. The OSIL PROCESS uses coal with high ash content and low fixed carbon.