Displaying items by tag: Denmark
FLSmidth to deliver clay calcination plant and grinding plant expansion at CBI Ghana's Tema grinding plant
30 March 2022Ghana: FLSmidth has secured a contract for the supply of a clay calcination plant at CBI Ghana's 0.6Mt/yr Tema grinding plant in Accra. The supplier says that it will also install a complete grinding station to more than double the plant's production capacity. FLSmidth says that the entire project will reduce the Tema facility's CO2 footprint by 20%. When commissioned, the new clay calcination plant will be the largest in the world, according to the supplier.
CBI Ghana chief executive officer Frédéric Albrecht said “Ghana is the perfect location for using clay as an environmentally friendly alternative to clinker. West Africa is traditionally a clinker and cement-importing region due to the lack of suitable limestone reserves. Developing countries with their young populations and a growing need for infrastructure and housing represent the future in cement consumption. Calcined clay cements are the most sustainable alternative to traditional clinker-based cement."
From the Nordics to the Mediterranean, European countries lead the field in reduced-clinker cement production using supplementary cementitious materials (SCMs). While consumers, faced with ever-greater choice, continue to opt for sustainability, projects to improve existing SCMs and develop new ones have won government backing and have become a matter of serious investment for other heavy industries beside cement. European cement producers’ decisions are steering the course to a world beyond CEM I. Yet, even in Europe, great untapped potential remains.
Companies generated a good deal of marketing buzz around their latest reduced-CO2 cement ranges in 2021 and the first quarter of 2022: Buzzi Unicem’s CGreen in Germany and Italy, Holcim’s EcoPlanet in six markets from Romania to Spain, Cementir Holding’s Futurecem in Denmark and Benelux, and Cemex’s Vertua in Spain and several other countries. All boast reduced clinker factors through the use of alternative raw materials. This, however, is really a rebranding of a long-established norm in Europe.
Since 2010, cements other than CEM I have constituted over 75% of average annual cement deliveries across Cembureau member countries (all cement-producing EU member states, plus Norway, Serbia, Switzerland, Turkey, the UK and Ukraine). This statistic breaks down differently from country to country. CEM II is the norm in Austria, Finland, Portugal and Switzerland, with deliveries in the region of 90%. Portland limestone cement (PLC) makes up a majority of deliveries in all four. It has been central to Switzerland’s transition to 89% (3.72Mt) of CEM II deliveries out of a total 4.18Mt of cement despatched in 2021. There, the main types of cement were CEM II/B-M (T-LL) Portland composite cement, with 1.38Mt (33%), and two different classifications of PLC: CEM II/A-LL PLC, with 1.28Mt (31%), and CEM II/B-LL PLC, with 888,000t (21%).
A second approach is that of the Netherlands, where CEM III blast furnace slag cement with a clinker factor below 65% predominates, favoured for its sulphate resistance and the protection it offers against chloride-initiated corrosion of steel reinforcement in marine settings. By contrast, the UK has traditionally maintained a higher reliance on CEM I cement. This can be partly explained by the preference of builders there for adding fly ash or ground granulated blast furnace slag (GGBFS) at the mixing stage. Nonetheless, CEM II Portland fly ash cement held a 14% (1.43Mt) market share in the UK’s 10.2Mt of cement consumption in 2021.
The UK Mineral Products Association (MPA) has identified limestone as an underutilised resource in the country’s cement production. Together with HeidelbergCement subsidiary Hanson Cement, it has applied for a change to National Application standards to allow the production of Portland composite cement from fly ash and limestone or GGBFS and limestone. The association has forecast that Portland composite cement could easily rise to 30 – 40% of UK cement consumption, and that this has the potential to eliminate 8% of the sector’s 7.8Mt/yr-worth of CO2 emissions.
Metallurgical waste streams have long flowed into European cement production, primarily as GGBFS, but also as bauxite residue. In 2021, alumina production in the EU alone generated 7Mt of bauxite residue, of which the bloc recycled just 100,000t (1.4%) that year. Two projects – the Holcim Innovation Center-led ReActiv project and Titan Cement and others’ REDMUD project – aim to produce new alternative cementitious materials from bauxite residue.
By collaborating with other industries, cement producers’ investments can most effectively reduce the overall cost of using these materials in cement production. In Germany, HeidelbergCement and ThyssenKrupp’s Save CO2 project aims to develop new improved latent hydraulic binders or alternative pozzolan from GGBFS by producing slag from directly reduced iron (DRI). The Save CO2 team believes that GGBFS substitution for clinker has the capacity to eliminite 200Mt/yr of CO2 emissions from global cement production.
Meanwhile in the world of mining, ThyssenKrupp and others’ NEMO project is investigating the recovery of a useable mineral fraction for cement production from the extractive waste of the Luikonlahti and Sotkamo mines in Finland and the Tara mine in Ireland, through bioleaching and cleaned mineral residue upcycling. This may give cement producers full access to Europe’s 28Bnt stockpiles of sulphidic mining waste, of which mines generate an additional 600Mt each year.
Denmark-based CemGreen, which produces the calcined clay supplementary cementitious material CemShale, is developing a shale granule heat-treating technology called CemTower. This consists of three pieces of equipment vertically integrated into cement plants’ preheaters, kilns and coolers, and brings the processing of waste materials – here oil shale – to the cement plant.
Lastly, cement producers are exploring the possible uses of waste made of cement itself. In Wallonia, HeidelbergCement subsidiary CBR’s CosmoCem project is investigating the production of alternative cement additives from large available flows of local demolition, soil remediation and industrial waste. Similarly, the Greece-based C2inCO2 project seeks to mineralise fines from concrete recycling for HeidelbergCement to use in the production of novel cements in its Greek operations.
In Switzerland, ZND Portland composite cement (produced using fine mixed granulate from building demolitions) is the third largest cement type, with 178,000t (4.3%) of total deliveries – narrowly behind CEM I with 239,000t (5.7%).Holcim Schweiz developed its Susteno 4 ZND Portland composite cement with Switzerland’s lack of any ash or slag supply in mind, demonstrating the potential flexibility of a circular economic approach to cement production.
On 21 March 2022, the University of Trier reported that it is in the process of mapping mineral resources, waste deposits and usable residues ‘on a cross-border scale,’ in an effort to produce new materials for use in cement production. Industry participants include France-based Vicat, CBR, Buzzi Unicem subsidiary Cimalux and CRH subsidiary Eqiom. Vicat is preparing a kiln at its 1Mt/yr Xeuilley cement plant in Meurthe-et-Moselle to use in testing new alternative raw materials developed under the project.
For Cembureau and its members, work continues, with the goal of Net Zero by 2050 constantly in sight. This goal includes a reduction in members’ clinker-to-cement ratios to well below 65%. In this, the association and its members are working towards a world not just beyond CEM I, but beyond CEM II, too. What exactly this will mean remains to be seen.
Sources
CemSuisse, ‘Lieferstatistik,’ 11 January 2022, https://www.cemsuisse.ch/app/uploads/2022/01/Lieferstatistik-4.-Quartal-2021.pdf
WSA, ‘December 2021 crude steel production and 2021 global crude steel production totals,’ 25 January 2022, https://worldsteel.org/media-centre/press-releases/2022/december-2021-crude-steel-production-and-2021-global-totals/
MPA, ‘Low carbon multi-component cements for UK concrete applications,’ July 2018, https://prod-drupal-files.storage.googleapis.com/documents/resource/public/Low%20carbon%20multi-component%20cements%20for%20UK%20concrete%20applications%20PDF.pdf
European Commission, ‘European Training Network for Zero-waste Valorisation of Bauxite Residue (Red Mud),’ 16 July 2020, https://cordis.europa.eu/project/id/636876
European Commission, ‘Industrial Residue Activation for sustainable cement production,’ 16 February 2022, https://cordis.europa.eu/project/id/958208
Recycling Portal, Zement der Zukunft – Forschungsprojekt „SAVE CO2“ gestartet, 28 May 2021, https://recyclingportal.eu/Archive/65677
h2020-NEMO, ‘Project,’ https://h2020-nemo.eu/project-2/
European Commission, ‘Green cement of the future: CemShale + CemTower,’ 14 April 2021, https://cordis.europa.eu/project/id/101009382
CosmoCem, ‘Communiqué de Presse,’ https://cosmocem.org/
CO2 Win, ‘C²inCO2: Calcium Carbonation for industrial use of CO2,’ https://co2-utilization.net/en/projects/co2-mineralization/c2inco2/
Les Echos, ‘Rendre le ciment moins gourmand en CO2,’ 21 March 2022, https://www.lesechos.fr/pme-regions/innovateurs/des-substituts-au-clinker-rendent-le-ciment-moins-gourmand-en-co2-1395002
Cementir Holding launches Futurecem limestone calcined clay cement in the Benelux and France
04 March 2022Benelux/France: Cementir Holding has introduced its Futurecem limestone calcined clay cement into the Benelux and French cement markets. Futurecem cement applies Cementir Holding’s patented processes to substitute over 35% of clinker in cement with limestone and calcined clay, preserving the cement’s strength and quality while reducing its carbon footprint by 30% compared to ordinary Portland cement (OPC).
Cementir Holding previously rolled out Futurecem cement in Denmark in 2021. In 2022, it plans to launch InBind high performance concrete (HPC) and ReCover ultra-high performance concrete (UHPC) to expand its range of HPC and UHPCs using Futurecem technology.
Eddy Fostier, managing director of Cementir Holding’s Belgian subsidiary CCB, said “Thanks to the joint efforts of the group and CCB teams, Futurecem technology is the main pillar for CCB’s low carbon transition within the Group roadmap. This product technology is matching customer needs, highlighted through a specific survey carried out across the most relevant market areas and applications.” Fostier concluded “I’m fully convinced that Futurecem will play a relevant role in the decarbonisation of the construction industry, where cement and concrete are essential building materials both in the present and in the future.”
Kingspan Insulation to acquire Troldtekt
22 February 2022Denmark: Cement and wood-based acoustic board producer Troldtekt has agreed to a takeover offer from Ireland-based Kingspan Insulation. The producer uses ordinary Portland cement (OPC) produced ‘from Danish mineral resources’ along with shredded Norway spruce to produce its boards.
Kingspan Insulation managing director Alan Lawlor said "I am delighted to welcome Troldtekt to the Kingspan family. As the global leader in high-performance insulation and building envelope solutions, we have the capacity to help them expand beyond their core markets, whilst bringing acoustic and decorative boards and natural insulation materials into our portfolio. Troldtekt has been able to continuously innovate and it sets the bar impressively high in the field of the circular economy.” He concluded "We will invest significantly in the company's production facilities to set them up for geographic growth."
Tom Knutzen nominated as chair of FLSmidth
16 February 2022Denmark: The board of directors of FLSmidth has nominated current vice chairman Tom Knutzen as the new chair of the board and Mads Nipper as vice chair. Knutzen will succeed Vagn Sørensen as chair. Sørensen has decided to step down as chair of the board of FLSmidth since his election in 2011. He has decided not to seek re-election. Both nominations will be voted upon at the company’s annual general meeting in late March 2022.
Knutzen has been a member of FLSmidth’s board of directors since 2012 and is the current vice chair. He is also chair of the Audit Committee and a member of the Nomination and Compensation Committee. His career includes his current role as chief executive officer (CEO) of Jungbunzlauer Suisse, from which he has resigned effective end April 2022, CEO of Danisco, CEO of NKT Holding and non-executive board positions with Nordea Bank, Chr. Augustinus Fabrikker and Tivoli.
Nipper is the current CEO of the multinational power company Ørsted, which develops, constructs and operates offshore and onshore wind farms, solar farms, energy storage facilities, renewable hydrogen and green fuels facilities and bioenergy plants. He brings an international background to FLSmidth including renewable energy, energy efficiency, water management and water conservation. As a member of World Economic Forum's Alliance of CEO Climate Leaders, he leads the Power Working Group. He is also co-chair of the roundtable of hydrogen production under the European Clean Hydrogen Alliance and is vice chair of the international food company Danish Crown.
Ash Grove re-opens upgraded Port Manatee terminal in Florida
09 February 2022US: Ash Grove Cement has re-opened its Port Manatee terminal in Florida following the installation of a new Kovako type ship unloader supplied by FLSmidth. The machine was custom built for Ash Grove by the Denmark-based company to meet its specific needs. The cement producer says it is the largest mobile pneumatic ship unloader built, has twin 800hp blowers, 37m suction arm and can offload a dry bulk vessel at a high rate while maintaining maximum efficiency and minimising environmental impact by eliminating dust emissions.
A ribbon-cutting ceremony to celebrate the event was held on 7 February 2022 as a shipment of fly ash was processed at the site. This maiden shipment completes the Phase 1 transformation project at Port Manatee, which began in early 2021. The project is intended to improve the subsidiary of CRH’s capacity to import cement, slag and fly ash for customers in Florida and South Georgia. It is also planning to use the terminal’s existing silo capacity to complement the capabilities of Ash Grove’s cement plants in Sumterville and Branford.
FLSmidth’s full-year sales in 2021 exceed guidance
01 February 2022Denmark: FLSmidth’s 2021 full-year sales were US$2.66bn, up by 6.8% year-on-year from US$2.99bn in 2020. The group had previously forecast sales of US$2.42 – 2.57bn in its guidance for the year. Its EBITA margin was 5.9%, in the upper end of the company’s guidance of 5 – 6%. The company said that the result included costs of acquiring Thyssenkrupp’s mining business.
Denmark: Aalborg Portland Cement says that the market ‘warmly welcomed’ its new FUTURECEM calcined clay cement in 2021. The product has reached its sales expectations for the year and is now nearly sold out for 2022. The company says that its plan to ramp up FUTURECEM production to replace 50% of grey cement production at its Rørdal cement plant is on track.
Parent company Cementir Holding says that the success of FUTURECEM rests on four pillars, namely its suitability for intended applications, targeted communication, close dialogue with concrete producers and the entire value chain and strategic partnerships with leading construction clients. It said “The lesson learned is that the market needs thorough information about new products and its industrialisation to rely on and implement them in place of conventional products.” The group added that its experience in Denmark paves the way for limestone calcined clay technology rollouts in other markets in line with its sustainable roadmap towards 2030.
Mexico/Denmark: Cemex and 3D printing construction company Cobod International have launched D.fab, a range of admixtures which enable builders to use ordinary concrete in 3D printing. The partners say that the products eliminate the need for expensive specialised mortars. Power2Build implemented the admixtures in concrete to print a whole house in Luanda, Angola, in early December 2021.
Cemex’s executive vice president sustainability, commercial and operations development Juan Romero said “The introduction of this revolutionary 3D printing system is a testament to our customer-centric mindset and relentless focus on continuous innovation and improvement. Working together with Cobod, we have developed an experience for customers that is superior to anything that has been provided in the past,” said “Our innovation efforts position us at the forefront of new technologies that contribute to building a better future.”
Mikko Keto appointed as head of FLSmidth
17 November 2021Denmark: FLSmidth has appointed Mikko Keto as its incoming chief executive officer (CEO), with effect from the start of 2022. It follows the resignation of Thomas Schulz. He will leave the company for an external role at the end of 2021.
Keto joined FLSmidth in January 2021 as the president of the mining division. He previously worked for Metso as the president for its mineral services and pumps business area. His prior roles for Metso include Senior Vice President of Spare Parts, Senior Vice President of Performance Services, President of Automation Services and Vice President of Flow Control Services. He also served as a member of the company’s executive team. Earlier in his career, Keto was Head of Sales for the maintenance business unit at KONE Corporation and held senior management and sales positions at Nokia Networks. He holds a master’s degree in economics from the Helsinki School of Economics.
Outgoing CEO Schulz joined FLSmidth in 2013. The company credited him with transforming its model from a predominately capital project organisation to one with more of a focus on service and aftermarket. His tenure has also seen the engineering company pivot towards digital products and those supporting sustainability trends in the cement and mining industries.