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Heidelberg Materials North America held an official opening ceremony this week for its upgraded slag cement plant and terminal at Cape Canaveral in Florida. The US$24m project added a new roller press to the unit to increase its production capacity. In a statement Chris Ward, the president and chief executive officer of the company, said that it had made the investment to meet sustainability and resilient construction goals. Industrial Accessories Company (IAC) said in mid-2021 that it had been named as the engineering, procurement, and construction (EPC) contractor for the project. It planned to install a hydraulic roller press supplied by FLSmidth. IAC also said it was providing instrumentation equipment, hoppers, bins, belt conveyors, bucket elevators and dust collectors amongst other kit and services.

Other recent US slag cement-related news stories have concerned terminals. In late August 2022 Royal White Cement said it had leased a site on the Houston Ship Channel in Houston, Texas to handle and store approximately 100,000t of multiple cementitous products such as slag, ordinary Portland cement and white Cement. In May 2022 Titan America announced plans to spend US$37m on an upgrade to its Norfolk terminal in Chesapeake, Virginia. The major improvement was to add a 70,000t storage dome, with enlarged truck and railway capacity, to allow the site to import and distribute raw materials such as fly ash, slag and aggregates. Completion on this one was scheduled for some point in 2023. Titan added that the project was similar to the addition of a 70,000t dome under construction at the time at Titan's import terminal in Tampa, Florida.

The United States Geological Survey (USGS) estimates that domestic sales of iron and steel (ferrous) slags in the US amounted to 15Mt in 2022. Sales were around 20Mt in the 2000s but this fell to current levels in the 2010s as blast furnaces closed. In 2022 the USGS noted that, “domestic ground granulated blast furnace slag (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.” It added that the grinding of granulated blast furnace slag was only being carried out domestically by cement companies. Imports of slag were 2Mt in 2022. This is a decline from a peak of 2.6Mt in 2018 but higher than the period 2000 – 2015. The price of slag, meanwhile, hit a high of US$53/t in 2022. This is the highest price recorded by the USGS since at least 2000. It is double that of 2017.

Charles Zeynel of ZAG International noted in the June 2023 issue of Global Cement Magazine that cement producers in Florida, California, Texas, Georgia and the Carolinas are far from steel mills, so they import granulated blast furnace slag (GBFS) and other secondary cementitious materials (SCM). This certainly fits with Heidelberg Materials’ plan to upgrade its slag cement plant and terminal at Cape Canaveral. Also on the US market, Zeynel added that due to rising global demand for SCMs more of the available share of GBFS was being purchased by ‘richer’ markets such as Europe, North America and Australia. He continued that GBFS and GGBFS producers had also started increasing the price of their wares internationally. This too is apparent in the prices published by the USGS.

One final story with links to slag to note this week concerns the launch of the Alliance for Low-Carbon Cement & Concrete (ALCC) in Europe. The group brings together companies producing products or services intended to decarbonise the cement and concrete sectors. Two of the members – Ecocem and Hoffman Green Cement Technologies – are Europe-based slag cement producers. Two other members – Fortera and TerraCO₂ – are companies based in North America that are marketing and selling low-carbon SCMs.

Various start-up companies have been emerging on a regular basis in both North America and Europe with the aim of decarbonising cement and concrete in various different ways. The formation of the ALCC can be seen as part of this trend as the more successful non-traditional cement-concrete-aggregate companies establish themselves. One point that cement producers in North America are likely to be well aware of is that concrete is becoming less linked to clinker as the cost of carbon mounts and the clinker factor of cement lowers. Slag supplies may be finite but Heidelberg Materials North America’s latest investment in Florida is further acceptance that one doesn’t just need clinker to make concrete.

Read Charles Zeynel’s interview on SCM Trends in 2023 in the June 2023 issue of Global Cement Magazine

The 15th Global Slag Conference, Exhibition & Awards take place on 6 - 7 June 2023 in Düsseldorf, Germany

Oman: Oman Cement has appointed Zhu Yaping as its chief executive officer. The appointment follows the retirement of Salim Abdullah Al Hajri in the post.

Zhu Yaping holds over 30 years of experience in the cement sector working for Huaxin Cement. His roles for the cement producer included that of plant manager in Hubei, maintenance manager in Wuhan and the company’s Head of Cement Industrial Performance. He holds a master’s degree in control theories and engineering from the Wuhan University of Technology and a bachelor’s degree in electrical engineering from the Nanjing University of Aeronautics and Astronautics.

Togo: CimTogo has appointed Ebenezer Somuah as its chief executive officer. He succeeds Eric Goulignac in the post, according to Lomé Actu. Somuah previously worked as CimTogo’s Finance Director. Prior to this he held finance positions at Ghacem in Ghana. Somuah holds a master’s in business administration from Ghana-based Central University College.

Italy: Turboden has appointed Yoshinori Hyakutake as its chair. Hyakutake, Hiroshi Matsuda, the previous chair, and Yasuo Kamegawa have also been appointed as directors.

Hyakutake joined Nagasaki Shipyard and Machinery Works of Mitsubishi Heavy Industries (MHI) in 1993. For the majority of his carrier with MHI he has worked in the thermal power engineering section. He later worked as a project manager on several export projects for thermal power plants. From 2017 to 2020, he worked for Mitsubishi-Hitachi Power System. Since 2021, he has been the Senior Vice President of New Business Development at MHI.

Turboden is a subsidiary of Japan-based MHI. The company manufactures and maintains organic Rankine cycle (ORC) systems, large heat pumps and gas expanders.

India: The cement industry imported 3.21Mt of petcoke during the first quarter of 2023, up by 72% year-on-year. This was due to a shortage and rising costs of domestically produced petcoke.

Oman is a major trade partner for petcoke for the Indian cement industry. The Oman Daily Observer newspaper has reported that a new oil refinery is scheduled for commissioning in Duqm before the end of 2023. ‘Several’ Indian cement companies are reportedly seeking to secure new petcoke supply deals in Oman.

Finland: Finnsementti is carrying out upgrades to its two integrated cement plants as part of its sustainability targets to 2030. The subsidiary of Ireland-based CRH is installing new main burner equipment at its Lappeenranta plant with completion scheduled for mid-2023. The project is intended to allow the plant to increase its use of alternative fuels. The company’s Parainen plant is replacing its satellite coolers with a grate cooler with completion scheduled for the spring of 2024. This work is expected to decrease the plant’s emissions by 10%. Overall the group is preparing to decrease its CO₂ emissions by 30% by 2030 compared to 2021 levels.

Sweden: Heidelberg Materials Sweden has called for swifter action to be taken by the government on a planned upgrade to the mains electricity supply to the island of Gotland. The building materials company is planning to build a full-scale carbon capture and sequestration (CCS) unit at its integrated Slite cement plant on the island by 2030. However, the newly approved plans to build two new electrical transmission cables to Gotland are currently scheduled for completion in 2031. The cement plant is expected to require annual electricity requirements of up to 1.5TWh with a power requirement of up to 250MW when the CCS unit is completed.

The cement producer has welcomed the government’s upgrade plans so far but has impressed the urgency of its timeline to build a CCS unit at the Slite plant. It says it is currently considering investing around Euro850m on the project. If completed the CCS unit is expected to capture up to 1.8Mt/yr of CO₂. The company said that this corresponds to approximately 3% of Sweden's emissions annually.

Iceland: Sementsverksmidjan says it has offset its domestic transport CO₂ emissions through an offset scheme with the government environmental agency Landgræðirin. In 2022 the subsidiary of Germany-based Heidelberg Materials offset 484t of CO₂-equivalent by restoring a birch forest and dry-land ecosystems.

Lithuania: Akmenes Cementas has benefitted from a European Union (EU) ban on cement exports from Belarus in response to the Russian-led invasion of Ukraine in 2022. The subsidiary of Germany-based Schwenk Zement reported a profit of Euro16m in 2022, according to the Baltic News Service. This is its first recorded profit since 2013. Artūras Zaremba, the head of Akmenes Cementas, added that higher cement prices, further borrowing from its parent company and fixed electricity prices also helped it make a profit.

The company’s income grew by 53% year-on-year to Euro134m in 2022 from Euro87.5m in 2021. Its cement sales volumes increased by 6% to 1.5Mt and cement production rose by 8% to 1.1Mt. Around 1.1Mt of cement was sold domestically with the remainder exported to other countries within the EU. Cement sales are expected to fall in 2023 due to changes in the local market.

Qatar: Qatar National Cement Company (QNCC) has signed a partnership agreement with SAP and Mannai ICT. The deal is intended to help the cement producer use cloud computing products such as Google Cloud to manage its data. It will also use S/4HANA, a resource planning product, and SAP Success Factors, a employee management product.

Essa Mohammed Ali A M Kaldari, QNCC’s Chief Executive Officer, said “In undertaking this end-to-end digital transformation, our aim is to modernise and streamline our systems, increase efficiencies, and enhance the services we deliver to our customers and employees.” He added, “After implementation, our operations will be more agile and scalable, enabling us to capitalise on future opportunities in the market and region.”

Alaa Jaber, the managing director for SAP Qatar and Fast Growth Markets, said, “Through this digital transformation, QNCC is aligning itself with Qatar’s 2030 National Vision and supporting its sustainability plans. It is also ensuring its future success by increasing its visibility over all operations, enabling it to react in an agile way to changes in the market and expected rise in demand for its products. Moreover, QNCC will be able to make decisions informed by real-time insights and data analytics.”