SAIL-Bhilai Steel Plant has been focusing on environment friendly measures to improve its carbon footprint in line with the Govt of India’s objective of achieving “Net Zero” carbon emission by the year 2030.

In line with such objective, the use of fossil fuel inside Bhilai Steel Plant is being minimized and all efforts are being made to utilize the gases available inside the plant which are a by-product of steel making process. In order to improve its competitiveness in the market, BSP has been aiming to maximize the output from existing facilities in the most cost effective and environment-friendly way.

Power and Blowing Station (PBS) Dept that operates the captive power plant of Bhilai Steel Plant is leading from front to achieve these objectives. Highest ever captive power generation of 61.47 MW was achieved during the calendar year 2023. This is not only 15.9% higher than the previous highest of 53.02 MW achieved during the year 2022, it has resulted in cost savings of about Rs 48.2 crore for BSP.

The importance of this achievement is a matter of pride for PBS and BSP as this has been achieved mostly by usage of only in-house gases like BF Gas, CO Gas and LD gas lowest-ever  use of fossil fuel (coal) during the year. Only 2,350 Tonnes of coal was used in 2023 as against 10,126 Tonnes of coal used during the year 2022 and about 26,000 Tons of coal used during 2021. Besides saving about Rs 4.2 crore in cash outgo towards purchase of coal, such actions have helped in reducing CO2 emission by about 1.3 Lakh Tonnes. Usage of PCM Oil in the power plant during the calendar year 2023 was also lowest ever at only 9,961 kilo-litre (KL) in comparison to 33,247 KL consumption in the previous calendar year. This has also helped in selling higher quantum of PCM in the market, thereby generating additional cash collection of about Rs 100 crore.

 

The focus of PBS during the year was also on efficiency enhancement and maximization of power generation through waste heat recovery processes installed in BSP during the 7 MTPA modernisation and expansion plan. Highest ever power generation of 3.36 MW from Back-pressure Turbo generator (BPTG) in Modex Unit Coke Oven Battery 11 and 11.20 MW from Top Recovery Turbine (TRT) installed in Modex Unit Blast Furnace 8 was achieved during the calendar year 2023. This could be possible due to optimization of waste heat recovery from COB-11 through CDCP boilers and top BF gas pressure from BF-8, respectively.

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