Ferrous Scrap Recycling
Producing steel from the infinitely recyclable ferrous scrap has a lower carbon footprint, as opposed to producing it from iron ore. India is a net-importer of scrap and deficient in producing high quality shredded scrap, which improves productivity in steelmaking. Tata Steel is the first company to set up a scrap collection and shredding facility at Rohtak (Delhi-NCR) and has plans to replicate such facilities across India. The Steel Recycling Business completed the first year of operation from its Rohtak Plant. The shredder was commissioned virtually under challenging conditions of COVID-19. The plant clocked ~112 KT dispatch with a revenue of ~₹460 crore in FY 2021-22.
The scrap is procured through the digital FerroHaat app, a first-of-its-kind in the world. Over 180 vendors have been registered on the app for supply of scrap.
There has been a dedicated effort to increase scrap charging in our steel melting shops, which is one of the key enablers for reduction in carbon footprint. In FY 2021-22, we increased clean scrap charging in Tata Steel India steel melting shops to 6.6% as compared to 4.8% in FY 2020-21. We are continually investing in augmenting the infrastructure for scrap management and charging in our India operations to reach the internal benchmark of our European steelmaking facility at IJmuiden. Our Thailand facilities use 100% steel scrap as primary raw material.
Solid Waste Management
Tata Steel has been pioneering in value creation from waste and by-products in its quest to contribute to a sustainable ecosystem in the iron and steel industry. Tata Steel aims for a ‘Zero Waste’ goal using the 3R (Reduce, Reuse & Recycle) principles of circular economy. We handle ~15 MnTPA of by-products spanning across 25+ product categories comprising more than 250+ Stock Keeping Units (SKUs). These value-added by-products serve as key raw materials for various industries like cement, chemical, construction, etc. In FY 2021-22, Tata Steel Jamshedpur and Tata Steel Kalinganagar achieved 100% solid waste utilisation and horizontal deployment of best practices in Tata Steel Meramandali helped to achieve 97% solid waste utilisation.
Solid Waste Utilisation
We have been investing in research to develop technologies for reuse of iron and steel slags. Our journey can be comprehended through the pioneering and materialised technologies as well as the innovation pipeline pertaining to slag-based products. Through an in-house developed process of accelerated weathering of steel slag (basic oxygen furnace slag), we developed manufactured aggregates branded as Tata Aggreto. This is India’s first steel slag-based branded product, extensively used in the construction of national highways, which has helped in conserving natural aggregates and minimising our environmental footprint. Tata Nirman, another product based on steel slag fines, has been established as a raw material of choice for the brick manufacturing industry. Through innovative initiatives aimed at supporting the farming sector, a multi-nutrient soil enhancer Dhurvi Gold, has been developed, which serves to provide low-cost soil conditioning solutions. Besides steel slag, various downstream products have been developed from blast furnace slag, such as ground granulated blast furnace slag (GGBS) and activated GGBS, which can be used as partial replacement of Ordinary Portland Cement (OPC) for making concrete, thereby positively impacting the carbon footprint of cement manufacturers.
Tata Steel has been adjudged winner of Indian Circular Economy Award 2021’ under the large enterprise category during the Circular Economy Symposium organised by FICCI. The award recognises Tata Steel’s practices to accelerate its business towards a circular model as the most innovative and impactful. The Company has also won the ‘Excellence in 3Rs (reduce, reuse, recycle)’ Award by CII during the International Conference on Waste to Worth, for the second consecutive year, for demonstrating innovative 3R initiatives in managing own wastes
The Company is committed to achieving 100% material efficiency while sustaining solid waste utilisation at 100% level across all its locations and increasing EBITDA by 2.4x from by-products business.
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