Growing infrastructure without growing emissions

Humans leave an indelible mark on the landscape in the form of houses, roads, railways, factories, hospitals. This infrastructure is a pillar of modern life and steel is a key material in all infrastructure expansion. Since the global population is quickly growing, steel demand is growing too.

In India, the government plans to increase infrastructure spending from 5 percent of GDP to 10 percent by 2017, painting a bright outlook for the Indian steel industry. [1]

JSW Steel is a young Indian steelmaking company that has seen huge growth over the past 30 years, from one steel mill in 1982 to over 14 million tonnes per annum capacity now. [2] And they will be making the most of this new policy trend, aiming to more than double their capacity over the next decade. [3]

JSW is proud that one of its greatest strengths is always delivering projects on time. [4] While time is precious, it’s not the only resource valuable to JSW; energy accounts for almost 40% of JSW’s total operational costs. To deliver high value steel products on time and at a low cost, JSW is looking to minimize its energy use. [5]

Innovation and a requirement for energy efficiency led JSW to pioneer the first corex steelmaking plant in India, a more environmentally friendly alternative to the traditional blast furnace. This plant has lower carbon emissions, emits few particulates and produces many useful by-products.

JSW owns two corex plants which use recycled limestone fines, slag and sludge as an input, and optimize blast furnace and corex synergy to maximize waste utilization, leading to lower production costs. [6] The corex plant at Vijayanagar recycles 96% of coke oven gas for power generation [7], while the process at Toranagallu also produces a high value export gas as a by-product. This can be used to generate power for the isolated surrounding area.  [8]

The Vijayanagar plant has also benefited from US$11.6M of investment in a waste heat recovery plant that utilizes heat from the sinter cooler and uses it to generate steam for the coke ovens. This will enable the facility to reduce carbon emissions by approximately 140,000 tonnes each year for the next 20 years, saving the plant US$4.5M a year. [9]

When energy efficiency entered Indian regulation in the form of the Perform Achieve Trade initiative, JSW established an energy efficiency team to lead the effort, saving energy and money at the same time. JSW has the set up to provide steel on time for growing infrastructure needs in India, without contributing to emission growth.

[1] http://www.coaltrans.com/articles/3322250/indian-governments-infrastructure-plans-set-to-provide-boost-for-the-steel-industry.html
[2] http://www.jsw.in/steel/about-steel
[3] http://www.jsw.in/steel/about-steel
[4] http://www.jsw.in/steel/about-steel and http://www.jsw.in/steel/jmd-group-cfo-speaks 
[5] CDP 2014
[6] http://www.industry.siemens.com/datapool/industry/industrysolutions/metals/simetal/en/SIMETAL-Corex-technology-en.pdf
[7] http://www.jsw.in/steel/vijayanagar-works
[8] http://www.industry.siemens.com/datapool/industry/industrysolutions/metals/simetal/en/SIMETAL-Corex-technology-en.pdf
[9] CDP 2014

US$7.6 B