Cement News tagged under: GGBS
GGBS slag cuts 408Mt of CO2 from UK's OPC production in 202205 October 2023, Published under Cement NewsIn 2022, around 38.5Mt of ferrous slag were produced in the European Union and the UK. Approximately, 99 per cent of this could be used primarily as a building material and in fertilisers. This means that the by-products of the steel industry have substituted more than 1.1bnt of natural rock in the period from 2000-22. In addition, the use of granulated blastfurnace slag, replacing Portland cement clinker, in cement avoided the emission of 408Mt of CO 2 over the same period. Last year... |
GGBS unlikely to reduce GHG emissions, warns IStructE27 September 2023, Published under Cement NewsThe use of ground granulated blastfurnace slag (GGBS) to reduce greenhouse gas (GHG) emissions in concrete needs to be carefully considered, recommends a new paper from UK-based The Institution of Structural Engineers (IStructE). For many years GGBS has been specified as a partial replacement for clinker in concrete due to its technical properties. More recently, reducing clinker with GGBS has become the ‘go-to’ method for decreasing the carbon intensity of concrete in the UK, as the product... |
ECOCEM launches Superfine31 August 2022, Published under Cement NewsEcocem has launched Superfine, a low-carbon, super high-grade ground granulated blastfurnace slag (GGBS) for specialist applications onto the European market. Ecocem Superfine is a finer GGBS designed to be used as a specialist additive in binders, industrial mortars, UHPC and precast concrete. In addition to reducing carbon emissions, the use of Superfine can improve rheology, strength and durability of the concrete. Developed by grinding granulated blastfurnace slag (GBS) to a very... |
Hanson UK delivers 10,000th Regen GGBS to Hinkley Point C16 September 2021, Published under Cement NewsThe 10,000 th load of Hanson’s Regen ground granulated blastfurnace slag (GGBS) has been delivered to the Hinkley Point C (HPC) new nuclear power station construction site in Somerset, UK. The material is helping to enhance the project’s low-carbon credentials before it begins operations to supply some 6m homes with low-carbon electricity. Regen GGBS is a replacement product for some of the ordinary Portland cement (OPC) content in concrete, which can significantly reduce the environ... |
Alkali-activated materials16 March 2021, Published under Cement NewsWhile blastfurnace slag and metakaolin are known to produce a binder phase following alkali activation, the range of alkali-activated materials is wider than these two materials. This month Arthur Harrisson provides an overview of low-and high-calcium precursors that are subjected to alkali activation to produce binders. Figure 1: fly ash, a low-calcium AAM precursor Materials that arise as waste or a by-product from industrial processes other than Portland cement manufacture ha... |
Hanson UK launches green hydrogen power unit11 February 2021, Published under Cement NewsA new green hydrogen power demonstration unit has been developed and installed at Hanson UK's Regen ground granulated blastfurnace slag (GGBS) plant in Port Talbot, south Wales.This is part of the company's GBP9.2m 'Reducing Industrial Carbon Emissions' (RICE) project, funded by the European Regional Development Fund (ERDF). The aim of the demonstration unit is to replace some of the natural gas used to power the plant with green hydrogen, which is considered a clean source of energy a... |
Portland cement, lime and alkali-activated binders15 May 2019, Published under Cement NewsFollowing on from last month’s discussion regarding the production of alternatives to Portland cement clinker, Arthur Harrisson takes a closer look at alkali-activated binders. Fly ash needs to be activated to produce an effective binder In a recent article 1 about the production of alternatives to Portland cement clinker, in the discussion of the preferred options of Gartner and Sui 2 , mention was made of alkali-activated binders, which were considered worthy of a paper of th... |
LKAB Minerals is set to acquire Francis Flower20 November 2018, Published under Cement NewsLKAB Minerals of Sweden is working on a deal to complete the acquisition of Francis Flower by 3 December 2018. The Austrian Competition Authority gave clearance for the acquisition on 10 October. Francis Flower operates a 0.55Mta grinding unit for ground granulated blastfurnace slag (GGBS) cement in Scunthorpe, Lincolnshire, UK. The company also has five main storage locations and a network of remote storage silos, which provides an additional 15,000t of cement storage. Adrian Willmott, ch... |
ArcelorMittal increases Ecocem stake24 April 2018, Published under Cement NewsSteelmaker ArcelorMittal has increased its shareholding in Ecocem France. By the end of May, ArcelorMittal will hold a 49 per cent stake in the cement company, compared to 30 per cent to date. The joint venture Ecocem France was created in 2007 by ArcelorMittal and the Irish group Ecocem Materials to develop the production of granulated blast furnace slag (GGBS), a by-product of steel manufacture by ArcelorMittal in France. Ecocem France currently operates a 0.7Mta ground slag productio... |
UK: Hanson reopens GGBS grinding plant21 February 2017, Published under Cement NewsHanson has re-opened its ground granulated blast furnace slag (GGBS) grinding plant at Teesport Docks in Middlesbrough, UK, creating 20 new jobs. The plant was mothballed during the recession in 2009, but the upturn in construction activity prompted Hanson to reopen the site. The raw material was originally sourced from the nearby steel works, which has now closed. In future it will be imported, helping to sustain the docks. Site Manager, Duncan Felgate, said: "It has taken nine months to ... |