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Continental New Materials to produce clinker-free cement using ground granulated blast furnace slag

Written by Global Slag staff
25 February 2022

South Korea: Continental New Materials has awarded a granulated blast furnace slag (GBFS) supply contract to steel producer POSCO. Continental New Materials applies technology developed at the Ulsan National Institute of Science Technology (UNIST) to produce clinker-free cement.

POSCO's hot rolled and wire rod marketing manager Kim Dae-Up said "We will continue to provide support so that POSCO's steel by-products can become eco-friendly cement materials and contribute further to carbon reduction."

Published in Global Slag News
Tagged under
  • South Korea
  • Continental New Materials
  • Ulsan National Institute of Science and Technology
  • POSCO
  • ground granulated blast furnace slag
  • granulated blastfurnace slag
  • supply contract
  • circular economy

US sells 17Mt of iron and steel slag in 2021

Written by Global Slag staff
04 February 2022

US: The United States Geological Survey (USGS) estimates that the US sold 17Mt of ferrous slags in 2021, a rise of 31% year-on-year from the estimate in 2020. Blast furnace slag represented about 49% of the volume sold and accounted for 87% of the total value ofslag, most of which was granulated. Steel slag produced from oxygen and electric arc furnaces accounted forthe remainder of sales. Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old slag piles at about 124 processing plants, including some iron and steel plants with more than one slag-processing facility, in 33 States, including facilities that import and grind unground slag to sell as ground granulated blast furnace slag (GGBFS).

A further 2.2Mt was imported, a slight decline from 2020. From 2017 to 2020 the USGS reports that 42% of imported slag came from Japan, 18% from Brazil, 11% from China and 10% from Italy.

The USGS noted that during 2021, domestic GGBFS remained in limited supply because granulation cooling was known to be available at only two active US blast furnaces while, elsewhere, only one domestic plant produced pelletised slag in limited supply. Grinding of granulated blast furnace slag was only performed domestically by cement companies. However, following Covid-19 related decrease in availability in 2020, supply of steel slag increased in 2021.

Published in Global Slag News
Tagged under
  • US
  • USGS
  • data
  • blast furnace slag
  • ground granulated blast furnace slag
  • Electric Arc Furnace
  • Imports
  • Japan
  • Brazil
  • China
  • Italy
  • coronavirus
  • cement
  • Steel slag

Jindal Shadeed Iron and Steel renews contract with Harsco Environmental

Written by Global Slag staff
17 January 2022

Oman: Jindal Shadeed Iron and Steel (JSIS) has renewed its contract with US-based Harsco Corporation. Harsco Environmental will continue to provide slag management and metal recovery as well as skull processing services for JSIS for a five year period. JSIS has a steel production capacity of 2.4Mt/yr and it sells its products in the UAE, Saudi Arabia, China, Canada, Australia and parts of Europe.

“Using Harsco Environmental’s services to manage our slag benefits us in many ways,” said Sanjay Anand, chief operating officer and head of JSIS in Oman. “We are able to reduce our carbon footprint while increasing our production. Thanks to Harsco Environmental’s operational know-how, safety record and continuous support, JSIS can trust that each service provided is being done with the highest level of care.”

Published in Global Slag News
Tagged under
  • Oman
  • Harsco Environmental
  • contract
  • US
  • Jindal Shadeed Iron and Steel

Ecocem starts first pour Exegy ultra-low CO2 concrete in the UK

Written by Global Slag staff
12 January 2022

UK: Ecocem and construction company Taylor Woodrow have conducted the first pour of the Exegy ultra-low CO2 concrete at waste management site in London. The mix used on the project is reported to reduce the carbon footprint by up to 70% when compared to traditional concrete. Cemex also collaborated on the project by producing the concrete used for the pour.

The concrete product was developed by Ecocem and Vinci Construction, using Ecocem Ultra, as part of Vinci Construction’s ultra-low carbon concrete range. Ireland-based Ecocem is a producer of cement and additives made using ground granulated blast furnace slag (GGBFS). Exegy is already being used at a pilot site of the Grand Paris Express and in the construction of the Athletes’ Village in Paris for the 2024 Summer Olympic Games.

Micheál McKittrick, managing director, Northern Europe, Ecocem, said, “Our Ecocem Ultra technology is already being used at scale in France, and we’re excited to now see it being adopted in the UK.” He added, “The cement and construction industries are developing and deploying a range of emission reduction technologies to help the UK Government reduce emissions by 78% by 2035, and reach net zero by 2050, and Ecocem will add a further dimension to these efforts.”

Published in Global Slag News
Tagged under
  • UK
  • Ecocem
  • concrete
  • Cemex
  • Vinci Construction
  • ground granulated blast furnace slag
  • France
  • Taylor Woodrow
  • construction

Dalmia Cement Bharat starts using electric trucks to transport slag

Written by Global Slag staff
10 January 2022

India: Dalmia Cement (Bharat) has started using two electric trucks to transport slag as part of its E-Truck project. They are being used to transport slag from the Steel Authority of India Limited’s (SAIL) Rourkela plant to the cement producer’s plant at Rajgangpur. The company has also commissioned two charging stations at its Rajgangpur plant and three more are to be installed by March 2022. The E-Trucks initiative is intended to reduce Dalmia Cement Bharat’s carbon emissions from transportation and decrease its logistics costs. A further 20 electric trucks are intended to start use by the end of the 2022 financial year.

“Achieving environmental sustainability has always been a priority for us at Dalmia Cement Bharat from a business and a social standpoint. While we are grateful that our government is creating the right policy and investment environment that encourages organisations to take positive environmental action, as private organisations we need to take the lead,” said Mahendra Singhi, managing director and chief executive officer, Dalmia Cement Bharat. He added that the company was confident that it would able to achieve its sustainability goal of becoming carbon negative by 2040.

Published in Global Slag News
Tagged under
  • India
  • Dalmia Cement Bharat
  • trucks
  • sustainability
  • logistics
  • cement plant
  • steel plant
  • Steel Authority of India
  • Odisha
  • electric vehicles
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