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Cemex España to import 10,000t/yr of slag for Lloseta cement plant

Written by Global Slag staff
21 June 2022

Spain: Cemex España has received clearance from the Balearic Islands Environmental Commission (CMAIB) to import up to 10,000t/yr of granulated blast furnace slag (GBFS) to Majorca. Ultima Hora Online News has reported that the producer will substitute some of the limestone used in the plant's cement production with the material.

Waste management company Tirme previously handled the Lloseta cement plant's slag supply.

Published in Global Slag News
Tagged under
  • Cemex España
  • Spain
  • Cemex
  • supplementary cementitious materials
  • Imports
  • circular economy

LafargeHolcim Brasil secures environmental certification for blast furnace slag cement

Written by Global Slag staff
24 May 2022

Brazil: The Falcão Bauer Quality Institute (IFBQ) has certified LafargeHolcim Brasil’s CP III-32 blast furnace slag cement for all construction applications. The certificate confirms that the product offers 50% reduced CO2 compared to the average cement on the Brazilian market.

The Jornal Dia Dia newspaper has reported that sustainability manager Bruno Hallak said “The IFBQ is an institution recognised by the market and this certification confirms that we are on the right track. The production processes and methodologies evaluated can even be reproduced in other units, according to their local characteristics, increasing the gain for the environment.”

LafargeHolcim Brasil previously obtained IFBQ certification for its CP III-40 blast furnace slag cement, which offers a slightly less reduced clinker factor than CP III-32 cement, in 2021. It was the first cement of its type in Brazil to receive the certification. The company produces both cements at its Vitória grinding plant in Espírito Santo.

Published in Global Slag News
Tagged under
  • Brazil
  • LafargeHolcim Brasil
  • certificate
  • Falcão Bauer Quality Institute
  • clinker factor
  • Product
  • CO2
  • sustainability
  • CSN Cimentos
  • Companhia Siderúrgica Nacional

UK universities patent zero-carbon clinkerless cement

Written by Global Slag staff
18 May 2022

UK: A team of researchers from six UK universities has filed a patent for a clinkerless cement product called Cambridge Electric Cement. Local press has reported that the project, called UK Fires, saw researchers successfully produce the cement using renewable power from recycled cement powder and ground granulated blast furnace slag (GGBFS). Following its successes, UK Fires has obtained a further Euro2m in funding from the UK Engineering and Physical Sciences Research Council (EPSRC) to continue its work into the range of concrete wastes suitable for use in Cambridge Electric Cement production.

Published in Global Slag News
Tagged under
  • UK
  • research
  • Cambridge University
  • engineering
  • patent
  • Product
  • circular economy
  • concrete
  • recycling
  • sustainability
  • net zero
  • CO2
  • ground granulated blast furnace slag
  • Engineering and Physical Sciences Research Council
  • grant
  • academia

SteelPhalt launches carbon-negative asphalt product

Written by Global Slag staff
29 April 2022

UK: SteelPhalt has launched a carbon-negative asphalt product called SteelSurf ECO+. The asphalt use 95% recycled steel slag with a lignin binder made from trees. The kraft lignin is supplied by GautamZenUK in collaboration with Stora Enso. It is used as an alternative to bitumen, which previous SteelPhalt asphalt products used instead.

"In our journey to become the world's most sustainable asphalt supplier, this is a huge step forward,” said Julian Smith, SteelPhalt Strategic Growth Director. “This product is an example of what our team’s collective passion for innovation and sustainability can deliver, while making the world a greener place.”

Steelphalt is a part of the Harsco Environmental division of US-based Harsco.

Published in Global Slag News
Tagged under
  • UK
  • SteelPhalt
  • Harsco Environmental
  • Harsco
  • asphalt
  • Steel slag
  • lignin
  • bitumen

Slag Cement Association announces winners of Slag Cement in Sustainable Concrete Awards 2021

Written by Global Slag staff
14 April 2022

US: The Slag Cement Association (SCA) has announced the recipients of its 2021 Slag Cement in Sustainable Concrete Awards program. Thirteen construction projects were chosen to showcase the broad applications of slag cement and its impact on creating more durable and sustainable concrete. The infrastructure winners included projects with slag cement supplied by companies including Argos USA, Cemex, Lehigh Hanson, Ozinga, Skyway and St Mary’s Cement. These projects included work on roads, bridges, residential construction, a concert venue, a sport stadium, airports, a theme park and a hydroelectric dam. Two research projects on slag cement from Cleveland State University and Florida State University were also recognised.

Published in Global Slag News
Tagged under
  • US
  • Slag Cement Association
  • awards
  • infrastructure
  • research
  • Argos USA
  • Cemex
  • Lehigh Hanson
  • Ozinga
  • Skyway Cement
  • St Mary's Cement
  • Cleveland State University
  • Florida State University
  • concrete
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