Displaying items by tag: Germany

Germany: Cemex has acquired a majority stake in the Berlin-based recycling company RC-Baustoffe to enhance its circularity business Regenera. The company processes construction, demolition and excavation materials. The acquisition integrates RC-Baustoffe with Regenera, allowing the facility to process up to 400,000t/yr, which will be turned into repurposed aggregates for concrete production.

CEO of Cemex, Fernando González, said “With acquisitions such as this, Cemex continues to strengthen its commitment to circularity through Regenera as well as promoting the world’s transition to a more circular economy. Construction and demolition materials account for more than 30% of global ‘waste’ streams and reintegrating these materials into the construction value chain can reduce the use of virgin raw materials."

Germany: Switzerland-based ABB has acquired analytics equipment supplier Födisch Gruppe. ABB says that the acquisition will enhance its offering of continuous emission monitoring systems and expand its technology and innovation competitiveness.

Stephan Schumann, CEO of Födisch Group’s parent company Dr. Födisch Umweltmesstechnik, said “This acquisition is a testimony of our strong performance in recent years. Leveraging ABB’s global footprint will allow to scale the impact of our offering internationally.”

ABB’s Measurement and Analytics President Jacques Mulbert said “We are very impressed by what the Födisch Gruppe has achieved and are eager to welcome their team to the ABB family. Integrating the Födisch Gruppe into ABB will unlock significant opportunities for new and existing customers.”

Heidelberg Materials inaugurated a plant near Katowice in Poland this week for separating and sorting demolition concrete. This gives us the chance to catch up with the state of construction and demolition waste (CDW) for the cement and concrete sectors and consider the differences between the strategies of the multinational heavy building materials companies in Europe and the US.

The new CDW recycling unit has a capacity of up to 100t/hr. Heidelberg Materials says that it is the “first company in the industry to introduce high-quality, selective concrete separation at this scale.” The company is using its proprietary ReConcrete process to sort out fractions from the CDW including sand, gravel and, finest of all, recycled concrete paste (RCP). That last one is particularly valuable because it can either be used as an alternative raw material for clinker production by replacing limestone or as a secondary cementitious material. Heidelberg Materials is also promoting the potential use of RCP as a carbon sink over the lifetime of a concrete structure via ‘enforced carbonation.’ The RCP is exposed to raw exhaust gases from cement production allowing it to both mineralise CO₂ and act as a clinker substitute. To further explore this option Heidelberg Materials is building an industrial pilot at its Górażdże plant to test the concept with construction expected by the end of 2024.

Both Holcim and Heidelberg Materials have been visibly busy buying up more aggregate recycling companies over the last nine months since Global Cement Weekly last reported on CDW. Holcim acquired Germany-based Mendiger Basalt in January 2024, Switzerland-based Cand-Landi Group and UK-based Land Recovery in June 2024, and Belgium-based Mark Desmedt in July 2024. It also said at the start of the year that it aimed to conclude 15 - 20 new acquisitions in 2024 with a focus on CDW companies in Belgium, France, Germany and the UK. Heidelberg Materials bought UK-based B&A Group in May 2024 and US-based Highway Materials and Aaron Materials in July 2024. Holcim has set itself a target of recycling 12Mt/yr of CDW by 2030 by using its ECOCycle technology. It reported 8.4Mt/yr in 2023 and hopes to reach 10Mt/yr in 2024.

Some of the recycling companies mentioned above are based in the US but the pace of CDW acquisitions have generally been faster in Europe. In the US, meanwhile, the heavy building materials producers have tended to buy more general aggregates companies. Heidelberg Materials announced on 30 July 2024 that it was buying Albany-based Carver Sand & Gravel. This followed the companies mentioned above and Texas-based Victory Rock, also in July 2024. Holcim said in its first half-year results for 2024 that it had ‘executed’ a bolt-on acquisition in the US that would strengthen its aggregate and ready-mixed concrete business. Cemex also revealed a joint-venture agreement with sand and gravel supplier Couch Aggregates and marine bulk product distributor Premier Holdings in July 2024. It said that the move was part of its “ongoing strategy to accelerate growth in the US and expand its aggregates business.” A big recent deal in the sector was the merger of the US-based operations of Summit Materials and Cementos Argos that completed in January 2024. Although at the time we concentrated on the cement-side of the transaction, it also gave the organisation just under 5Bnt of aggregate reserves.

It may be a stretch to call what’s going on here a trend. Yet the large heavy building materials companies do appear to be acting differently in the US and Europe with regards to aggregate companies and CDW recyclers. The main drivers here are the strength of the US market and the stricter environmental legislation in Europe. Higher population density in Europe compared to the US may also be playing a part in the differences in speed of adoption between the two markets. The ongoing Holcim spinoff demonstrates the differences between the two market regions in bold terms. In short, the company has decided to split itself in two in order to meet the different needs of each market. As for CDW, the trickle of acquisitions keep coming and momentum is steadily building.

Germany: Heidelberg Materials has released its financial results for the second quarter of 2024. It noted a 2% year-on-year decline to €5.5bn, down from €5.6bn in the same period in 2023. However, the company achieved a 5% increase in its result from current operations (RCO), which increased by €40m to €971m. Heidelberg Materials stated that it experienced a moderated slowdown in volumes across all business lines compared to the first quarter of 2024 due to weak activity in the construction sector and adverse weather conditions. The company maintains its 2024 financial year RCO forecast to be between €3bn and €3.3bn.

Germany: The University of Trier is transforming post-consumer materials into ‘ecological’ cement through a new research project that aims to find sustainable alternatives for the construction industry. The project involves using low-CO₂ industrial post-consumer materials as alternative cement binders, such as sludge from gravel and sand mining, as well as dust from quartzite extraction. The research will run for two years and is supported by the German Federal Environment Foundation.

Germany: Canada-based company Rock Tech has promoted a peer-reviewed study by the German Lithium Institute that confirms the potential of byproducts from lithium production to be used in cement manufacture. The study found that leached spodumene concentrate (LSC), primarily composed of aluminosilicates, can replace fly ash as an additive in the cement industry. The study also revealed that adding 20% LSC to Portland cement increases its compressive strength by 10%. The process for producing and utilising LSC has been submitted for a patent.

"The phase-out of coal and the transformation of the steel industry will sooner or later lead to changed or disappearing material streams that have been significant for the cement industry in terms of CO₂ savings and product portfolio. The LSC from lithium production has the potential to compensate for these depleting material streams in the future."

Germany: Cemex Deutschland has partnered with recycling service provider Alba to construct a new biochar production facility at its Rüdersdorf cement plant in Brandenburg. Named ALCE, the project will utilise biogenic waste to produce biochar, aiming to reduce greenhouse gas emissions from cement production. This initiative is part of the Carbon Neutral Alliance, targeting carbon neutral cement production at Rüdersdorf by 2030.

Both Limak Çimento and Cemento Yura revealed plans to work with hydrogen this week. Additionally, Lhyfe and Fives signed a deal to sell decarbonised products and services to industries, including cement, covering hydrogen production to combustion.

Türkiye-based Limak Çimento said that it had successfully conducted a hydrogen-enhanced alternative fuel test at its integrated Anka plant near Ankara. As part of the project it blended hydrogen with an alternative carbon-neutral fuel and then operated the plant’s kiln at a 50% substitution rate. The cement company says that the trial achieved a world first by feeding the hydrogen-enhanced fuel directly into the calciner instead of the main burner in the rotary kiln. According to local press, Air Liquide supplied grey hydrogen for the test, although this could be switched to green hydrogen in the future. As a reminder, ‘green’ hydrogen is produced by the electrolysis of water using renewable energy sources. ‘Grey’ hydrogen is made from steam reforming using fossil fuels.

Limak’s wider ambition is to use hydrogen-blended alternative fuels at all of its cement plants by 2030. By doing so it aspires to reduce its CO₂ emissions by 700,000t/yr. Its CEO Erkam Kocakerim remarked in mid-2023 that focusing on the carbon risks that energy-intensive industries might face exporting to the European Union (EU) paled in comparison to the potential payback from the green energy transition. At a climate change summit in mid-2023 organised by the United Nations and the Turkish government, he called for the Turkish Emission Trading System to be put into action as soon as possible, the creation of an updated renewable energy roadmap with renewable hydrogen, CCUS and renewable fuels, and the publication of a hydrogen and CO₂ country atlas. At the same time, he stated that the local cement sector could meet the EU’s 2030 emissions targets through the increased uptake of alternative fuels and blended cements.

Meanwhile in Peru this week Juan Carlos Burga, the general manager of Grupo Gloria subsidiary Cemento Yura, told the Gestión newspaper that its cement plant near Arequipa is preparing to start a green hydrogen trial in 2025. The catalyst for this is a solar power unit at the site that is currently scheduled for commissioning in early 2025. Once it is ready then the plant’s hydrogen project can use the renewable energy source to manufacture hydrogen and inject small quantities of it to stabilise the burning process and reduce the amount of coal used.

By contrast the memorandum of understanding that Lhyfe and Fives announced this week looks like the pair are marking their territory in the hydrogen supply and equipment chain for heavy industry. As part of the agreement the companies are targeting the metals, glass and cement industries and some other selected industrial heating processes and applications in Europe and North America. France-based Lhyfe develops, builds and runs green hydrogen production plants both for external clients and itself. It operates one plant at Bouin in France and is building other plants in France and Germany. However, the output of these sites is low. In spite of this, it says it is set to become the largest producer of renewable hydrogen in France in 2024. Fives, well known as a cement equipment supplier, says it has been a “technological leader in hydrogen for over 50 years” and that it sells “the widest range of hydrogen-proven burners available on the market to serve all industries.” The Lhyfe-Fives agreement follows a similar deal between Air Products and ThyssenKrupp Uhde Chlorine Engineers in 2020.

Projects in West Asia and South America such as those discussed by Limak Çimento and Cemento Yura are not necessarily where one might expect them to be. Typically all the sustainability news in the cement sector tends to be dominated by companies in Europe and North America. This is reflected in the continents that Lhyfe and Fives have targeted this week. Yet, the focus by Limak and Yura on hydrogen suggests that these companies are hunting for decarbonisation options that are cost effective ahead of potential legislative enforcement. Both appear to be using hydrogen as a fuel enhancer or additive rather than on its own.

We have reported upon a steady stream of hydrogen projects for the cement sector in the last year. These include Heidelberg Materials' study looking at using ammonia as a hydrogen source for fuelling cement kilns at its Ribblesdale cement plant in the UK, Fives work with Holcim at the La Malle plant in France and much work by Cemex such as the increase of its stake in green hydrogen production technology developer HiiROC in late 2023. As with Global Cement Weekly’s previous reporting on hydrogen, the jury is still out on whether it is a ‘goer’ for heavy industry at scale. An executive at Mitsubishi Heavy Industries told a conference in March 2024 that the infrastructure investment to support the use of hydrogen would cost over US$1Tn in the US and Europe alone. The head of Saudi Aramco then pointed out at the same event that oil and gas, for now at least, cost far less than hydrogen. Despite this, the projects keep coming.

Germany: Alcemy, manufacturer of low-carbon ‘Cem X’ cement, has raised US$10m to scale up its cement decarbonisation solution. The funding round will support research and development and Alcemy's entry into new markets, including the US, in 2024.

CEO Leopold Spenner said "With this additional nearly US$10m in funding and support from Norrsken VC, in addition to our first-round investors, we're paving the way to a low-carbon construction industry, one project at a time."

Germany: Berlin-based AI startup Alcemy, in partnership with German cement producer Spenner, has produced a commercially viable low-carbon cement alternative named ‘CEM X’. This product reportedly reduces carbon emissions by 65% and has less than 30% clinker content, according to the company. The composition incorporates a blend of 33% granulated blast furnace slag and 37% limestone.

Alcemy CEO Leopold Spenner said "With 'CEM X,' we have reached a significant milestone on our journey to decarbonising the cement industry.”