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News GCW574

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Update on hydrogen injection in cement plants

14 September 2022

Argos Honduras revealed this week that it has been testing the injection of hydrogen into the kiln of its integrated Piedras Azules cement plant. It has completed a pilot with Portugal-based company UTIS. As part of the process it has been trialling, it has split water by electrolysis and then injected the hydrogen and oxygen directly into the kiln via the main burner. The pilot has reportedly increased clinker production and reduced petcoke consumption at the plant.

Argos is far from alone in using hydrogen in this way. At the end of August 2022 Cemex said that it was also starting to use hydrogen at its San Pedro de Macorís cement plant in the Dominican Republic. CRH UK-subsidiary Tarmac completed a trial in July 2022 using hydrogen as an alternative to natural gas at its Tunstead lime plant. HeidelbergCement UK-subsidiary Hanson also ran a successful trial using hydrogen as part of the fuel mix at its Ribblesdale cement plant in 2021. The government-funded trial used a combination of hydrogen (39%), meat and bone meal (12%) and glycerine (49%) to reach a 100% alternative fuels substitution rate. In 2021 Hanson reported that fuel switching to hydrogen could help it reduce its 2050 CO2 emissions by about 3%, or by -35kg CO2/t of cement product.

Cemex appears to be a leader in using hydrogen in this way. The Mexico-based company started injecting hydrogen in 2019 and retrofitted all of its European cement plants with the technology to do so in 2020. It then said it wanted to roll this out to the rest of its operations. The project in the Dominican Republic is an example of this. In February 2022 it announced an investment in HiiROC, a UK-based company that has developed a method using thermal plasma electrolysis to convert biomethane, flare gas, or natural gas into hydrogen. The stated aim of this investment was to increase Cemex's hydrogen injection capacity in its cement kilns and to increase its alternative fuel substitution rate. Back in 2020 Cemex said that it planned to use hydrogen injection to contribute 5% of its progress towards its 2030 CO2 emissions reduction target along with other measures such as increasing its thermal substitution rate and reducing its clinker factor.

As can be seen above there are a number of examples of hydrogen injection being used in cement plants in Europe and the Americas. However, there is very little actual data available publicly at this stage on how much hydrogen that the plants are actually using. For example, Cemex may have hydrogen injection equipment installed at all of its plants in Europe but it is unclear how many plants are actually using it. This is understandable though, given how commercially sensitive the fuel mix of a cement plant is and in Cemex’s case if it wishes to maintain a leader’s advantage in using a new technology.

It is interesting to see, in what has been released so far, the focus on doing deals with companies that supply electrolysis technology such as HiiROC and UTIS. A feasibility study ahead of the Hanson trial at Ribblesdale by the MPA, Cinar and the VDZ suggested that upgrading a kiln burner and adding all the necessary hydrogen storage and pipework could cost at least Euro400,000. However, this study also pointed out that the cost of hydrogen made a big difference to the cost of the CO2 saving from using it as an alternative fuel. Hence the focus on the technology partners. It will be interesting to see how many more hydrogen injection projects are announced in the coming months and years and, crucially, who is providing the technology to supply the hydrogen.

For more information on the use of hydrogen in cement production see the proceedings from the 15th Global CemFuels Conference & Exhibition where presentations on the topic were given by Cemex and the VDZ

Published in Analysis
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Adani family members expected to join boards of ACC and Ambuja Cement

14 September 2022

India: Gautam Adani, his son Karan Adani and his nephew Pranav Adani are all expected to join the boards of ACC and Ambuja Cement. Sources quoted by the Mint newspaper anticipated changes to the boards of both companies to start happening in mid-September 2022. At the same time, a number of existing board members of the subsidiaries of Switzerland-based Holcim are expected to resign. Adani Group’s US$10.5bn acquisition of the subsidiaries of Switzerland-based Holcim has been gathering pace, with the latter having completed its due diligence process and the mandatory open offers for the public shareholders finished.

Published in People
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DG Khan Cement’s revenue grows by 29% to US$248m

14 September 2022

Pakistan: DG Khan’s revenue grew by 29% year-on-year to US$248m in the financial year to 30 June 2022 from US$193m a year earlier. Its profit for the year fell by 20% to US$12.7m from US15.9m. The main reason for the fall in profit was due to higher taxation in the reporting y

Published in Global Cement News
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Capital controls delay handover of new cement mill to Lafarge Zimbabwe

14 September 2022

Zimbabwe: Government capital controls are delaying the handover of a new vertical cement mill ordered from China-based CBMI to Lafarge Zimbabwe. The cement producer still owes the supplier US$5.2m but has been unable to make the payment due to economic measures the government has taken to avoid depreciation of the local currency, according to the The Insider newspaper. The subsidiary of Switzerland-based Holcim is unable to obtain a certificate of completion from the supplier until the transaction has been completed. CBMI handled the order and Germany-based Gebr. Pfeiffer supplied the mill. The outstanding debt to CBMI may also delay Holcim’s deal to sell Lafarge Zimbabwe to Fossil Mining, which was announced in June 2022.

Published in Global Cement News
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Titan Cement launches CemAI subsidiary

14 September 2022

Greece: Titan Cement has launched CemAI, a subsidiary company that will supply predictive maintenance products based on artificial intelligence for the cement industry. It will use a mixture of a proprietary licensed software and a continuous monitoring and incident resolution service for entire cement manufacturing lines across the world.

Titan Cement has already used the service that CemAI supplies at several of its own plants around the world. It is intended to help cement companies maximise the operational efficiency and reliability of their plants while making their processes more efficient and cost effective. It uses machine learning technology that processes the operating data of entire cement plants in real time. This generates alerts that are analysed by a team of experts in cement operations, working in close collaboration with plant’s operational teams, to resolve issues before they affect operations. CemAI works through remote monitoring centres that collect and analyse the data stream from plant sensors continuously

Published in Global Cement News
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Cbb profit drops by three quarters

14 September 2022

Chile: Cbb has reported a profit of US$2m for the period January - June 2022, which represents a decrease of 74% year-on-year compared US$7.9m during the same period in 2021. The decrease came despite a 15.3% increase in revenues, which rose to US$169m. The company said that the difference could be mainly explained by lower margins from increased distribution costs and administration expenses.

Published in Global Cement News
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Hoffmann Green enters UK market

14 September 2022

UK: Hoffmann Green Cement Technologies, a French company that manufactures and distributes low-CO2 clinker-free cement, has announced that it has signed its first partnership agreement in the UK with Cemblend, a supplier of customised cement powder mixes.

Hoffmann Green will supply Cemblend with its H-IONA, H-UKR and H-EVA clinker-free decarbonated cements for distribution to its customers in the UK and Ireland. This exclusive distribution agreement with volume commitments initially runs until the end of 2023 and is a first step towards the signature of a licensing agreement which could see Cemblend build and operate a production unit similar to Hoffmann Green's French production facilities.
Julien Blanchard and David Hoffmann, co-founders of Hoffmann Green Cement Technologies said, "We are pursuing the milestones of our international development with the signing of this structuring partnership in a strategic market in Europe. This first distribution contract in the UK is further proof of the attractiveness of our low-carbon solutions outside our borders. It is a first step in our cooperation process with Cemblend to build eco-responsible buildings across the Channel."

Published in Global Cement News
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Sadiq Ahmed Sadiq El Sewedy increases Arabian Cement stake to 11%

13 September 2022

Egypt: Private investor Sadiq Ahmed Sadiq El Sewedy has enlarged their stake in Arabian Cement to 11% from 9.5%. The investor paid US$1.6m for the additional shares. Al Ahly Pharos and EFG Hermes Holding provided brokerage services for the deal.

Arabian Cement recorded a profit of US$6.17m in the first half of 2022, compared to a US$1.2m loss in the first half of 2021.

Published in Global Cement News
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Cyprus Cement reduces issued share capital

13 September 2022

Cyprus: Cyprus Cement has informed the Cyprus Stock Exchange that it has reduced its issued share capital by 14% to Euro50.9m from Euro59.2m. The company will return Euro8.26m in cash to investors.

Published in Global Cement News
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Lafarge Zimbabwe to increase cement capacity

13 September 2022

Zimbabwe: Part of Lafarge Zimbabwe’s approved US$25m capital expenditure investments will go towards further expanding the company’s cement capacity in order to meet local demand. The company also plans to establish a new dry mortars plant. Lafarge Zimbabwe is on track to commission a new vertical roller mill at its Manresa grinding plant in early 2023. Lafarge Zimbabwe’s chief executive officer Geoffrey Ndugwa said, “The overall market demand continues to grow, driven by the segment of individual home builders as well as the ongoing major government infrastructure development projects. The company is confident that volumes will recover and grow as the availability of cement stabilises.”

Published in Global Cement News
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