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TRANSFORMING TRANSFORMING TRANSFORMING
SUSTAINABILITY REPORT FY 2023 COMMUNITIES THE PLANET THE WORKPLACE

Our Waste Community of Practice takes Hazardous Waste The secure storage of waste, especially • Jarofix, produced from jarosite, lime and
the lead in promoting initiatives that The hazardous waste generated at our sites mineral waste and tailings, is a high priority cement, is a commonly used construction
minimize waste generation. A large includes. Items like waste refractories, spent area, as both these categories carry high material and we have a target of utilizing 0.5
proportion of the waste we produce pot lining, and residual sludge from smelters. potential for harm. million tonnes. During the reporting year,
consists of mineral-based materials, like 140,820 MT of jarofix was utilized for flyover
tailings, overburden and waste rock. The enduring philosophy underlying our waste From Waste to Wealth construction and 111,226 MT in the cement
Tailings are the materials left over after management activities is to cause zero harm Our Waste to Wealth philosophy pivots around industry.
removing the usable part of the ore, while to the external environment and the people, our focus on minimizing waste to landfill and
overburden consists of waste rock or flora and fauna dependent on it and we integrating greater circularity into our • Another upcoming initiative involves
other overlying materials. Tailings carry observe all necessary measures to realise this production processes. Aligned with our ESG diverting the entire slag from our smelters to
hazards of toxicity and need to be stored objective. Management of our highly diverse vision, we are working towards becoming a the cement industry. Currently, we are
under strictly defined conditions. We waste streams are done in adherence with the "Zero Waste" organization, and several exploring technology options that will render
discuss this area later in this section. Waste Management Standards and Guidance initiatives are underway to completely utilize this slag suitable for various uses in the
cement industry.
Notes, which have been developed in mineral and non-mineral waste.
alignment with the guidelines set by • We are partnering with research institutions
International Council on Mining and Metals Recycling mineral wastes to develop options for utilizing jarosite as a
(ICMM) and IFC (International Finance plaster, and a pilot is currently underway.
Corporation) Performance Standards. • The use of Jarosite, a common ore
processing waste, is being extended to • Additionally, we have initiated an R&D project
multiple applications with the help of to explore the utilization of red mud, a waste
in-house technologies. In FY 2023, close to material produced during the processing of
33% of the jarosite generated was used for bauxite into alumina. This project aims to find
various purposes like constructing roads, innovative ways to repurpose and make
and also creating enhanced use in cement productive use of red mud, further
industries. consolidating our circularity initiatives. In FY
2023 we were able to utilise 6% of red mud
we produced.

Hazardous waste (metric tonnes)

2020 2021 2022 2023

Total hazardous waste recycled/ reused 406,242 382,934 455,808 482,138

Total hazardous waste disposed 67,987 47,847 69,246 50,065

Hazardous waste landfilled 40,247 44,873 68,571 46,477

Hazardous waste incinerate 1,607 1,017 675 310.41

Hazardous waste otherwise disposed 26,133 1,957 - 3,277

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