India is exploring the development of its own hydrogen-based Direct Reduction of Iron (DRI) technology for the production of green steel. This innovative process, tailored to the country’s needs, is currently undergoing thorough examination by various ministries. The method involves industrial-scale hydrogen-iron making, or DRI, wherein oxygen is extracted from iron ore using hydrogen instead of high-carbon emitting fossil fuels. This results in the elimination of waste gases, which are emitted as water.
The produced DRI, also known as sponge iron, is then utilised in electric arc furnaces where electrodes generate current to produce steel. A proposed pilot plant utilizing pure hydrogen-based DRI production will operate in a consortium model. The project involves collaboration between integrated steel producers, secondary players, and a CSIR Lab for technology development and the acquisition of necessary intellectual property rights.
As reported by businessline, in India, two primary methods of hydrogen utilization in steel production are prominent. The first involves injecting hydrogen into the tuyeres (nozzles through which air is forced) of blast furnaces, partially substituting pulverized coal injection. The second method entails blending hydrogen with natural gas or fossil fuel-based reductants in DRI furnaces.
