Displaying items by tag: Plant
Kidnapped DG Cement workers rescued
11 April 2022Pakistan: Three workers from DG Cement’s Dera Ghazi Khan cement plant who were kidnapped have been rescued following negotiation. Tribal elders spoke to the Laadi gang that abducted the workers and no ransom was paid, according to the Dawn newspaper. The gang’s demands included establishing a school and building water reservoirs in the area. The gang kidnapped the workers in early April 2022. 12 associates of the gang have been detained.
Canada: Jean Boulet, the labour minister of Quebec, has called for an end to a long-running labour dispute at Ash Grove’s Joliette cement plant that has been running since mid-2021. Around 130 members of the Unifor union were locked out by management, according to Postmedia Breaking News. In a message on social media Boulet invited the parties to "concentrate their efforts at the negotiation table with a conciliator." The union alleges that company owner CRH has been importing raw materials to make cement from Greece or Turkey whilst the workers have been excluded from the plant. Negotiations will continue in mid-April 2022.
Calcined clay projects in Africa
06 April 2022African cement producers have confirmed their interest in calcined clay over the last month with two new projects. The big one was announced last week when FLSmidth revealed that it had received an order from CBI Ghana. This follows the launch of a Limestone Calcined Clay (LC3) project in Malawi in mid-March 2022 in conjunction with Lafarge Cement Malawi.
FLSmidth says that its order includes the world’s largest gas suspension calciner system and a complete grinding station. The kit will be installed at CBI Ghana’s plant near Accra in the south of the country. The new clay calciner system is expected to substitute 30 - 40% of the clinker in the final product, resulting in a reduction of up to 40% CO2/t of blended cement compared to Ordinary Portland Cement (OPC). Overall the equipment manufacturers reckon that the grinding plant will reduce its CO2 emissions by 20% compared to its current output. There has been no indication of how much the order costs but CBI Ghana expects energy and fuel savings, as well as lower overheads from clinker imports.
The public announcement of the Ghana project was also foreshadowed by the visit of Professor Karen Scrivener to the Ghana Standards Authority in February 2022. This was significant because Scrivener is the head of the Laboratory of Construction Materials at the Ecole Polytechnique Fédérale de Lausanne (EPFL) and has been one of the key instigators of the LC3 initiative since the early 2000s. Other calcined clay cements are available such as Futurecem or polysius activated clay (see below) but LC3 is arguably the most famous given its promotion in developing countries.
The Malawi project is at a much earlier stage. The government launched the public private partnership LC3 project in mid-March 2022 in conjunction with Lafarge Cement Malawi and Terrastone, a brick manufacturer. The Ministry of Mining is currently developing a memorandum of understanding with the Gesellschaft für Internationale Zusammenarbeit (GIZ), a Germany-based development agency. India-based Tara Engineering has also been linked to the scheme.
One thing to note about the Malawi project is that it is the first calcined clay project in the cement industry based in East Africa. All the other African ones are based in West Africa. The other two projects in this region are run by Turkey-based Oyak Çimento and its subsidiary Cimpor. The first of these is a 0.3Mt/yr calcined clay and a 2400t/day cement grinding production line that was commissioned in mid-2020. This plant is based at Abidjan in Ivory Coast. The second is a new plant that Germany-based ThyssenKrupp Industrial Solutions is building for Oyak Çimento at Kribi in Cameroon. This unit has a 720t/day calcined clay and a 2400t/day cement production capacity and it will use the supplier’s ‘polysius activated clay’ technology. ThyssenKrupp’s involvement came to light in early 2020 and commissioning was scheduled for late 2021. However, no update on the state of the project has been issued so far in 2022.
As the above examples show, Sub-Saharan Africa has at least one live calcined clay plant, two plants are being built and there’s one more at the development stage. This puts the region neck-and-neck with Europe, which has a similar mixture of current and developing projects. This column has been covering the wider trend of the growing usage of various types of blended cements recently, particularly in Europe and the US, with slag cements, Portland Limestone Cement (PLC) and more. With PLC, for example, note the transition of another two North American cement plants to PLC this week alone. As for calcined clay cement, it is fascinating to see the focus move to a different part of the world. Several commentators have predicted that the future looks set to be dominated by blended cements using whichever supplementary cementitious material (SCM) is most available for each plant. The growth in calcined clay confirms this view.
Global Cement is researching clay calcination use in the cement industry for the next edition of the Global Cement Directory. Email This email address is being protected from spambots. You need JavaScript enabled to view it. with any information on new industrial and research installations.
UAE: Switzerland-based ABB has carried out an upgrade of the control system for UltraTech Cement subsidiary Star Super Cement at the company's Dubai grinding plant. The supplier says that it installed its ABB Ability 800xA distributed control system (DCS) across three grinding units at the facility. The DCS will communicate between the plant and the company's Ras Al Khaimah clinker plant. ABB previously supplied electric and automation engineering services for the Ras Al Khaimah plant in 2012.
ABB Process Industries global cement lead Max Tschurtschenthaler said that Star Cement's operations will benefit from improved operator visibility, easier maintenance and reduced downtime due to the new systems.
US: Cemex has increased production of Portland limestone cement (PLC) at its Lyons plant in Colorado. PLC is expected to become the plant’s primary product by the summer of 2022. The blended cement has been produced at the site for over 15 years. However, Cemex says it is growing production to meet the company’s carbon reduction goals and meet increased demand for lower carbon materials.
Cemex USA has also increased PLC production at its plants in Brooksville, Florida, and Demopolis, Alabama. The start of PLC production or further increases is planned for other cement plants later in 2022.
India: RCCPL, a subsidiary of Birla Corporation, has commenced cement despatches from its 2.7M/yr Mukutban cement plant in Maharashtra. The plant has a further grinding capacity of 1.2Mt/yr and a 40MW captive power plant. Switzerland-based ABB previously delivered electrification and automation systems to the site of the new plant in June 2020.
How much does Holcim value Russia?
30 March 2022The economic fallout from the war in Ukraine continued this week with the news that Holcim plans to leave the Russian market. It said that it took the decision based on its “values to operate in the most responsible manner.” The company’s Russian subsidiary added that all of its plants would continue to operate as normal while it considered its divestment options.
Holcim’s road to withdrawal has been staggered. In February 2022 at the start of the war it pronounced its sympathy for any affected colleagues and their families and made a Euro1m donation to the Red Cross. Later it said that it would continue operating its business in Russia by following all regulations and supplying the local market. However, at this time it said it would suspend further capital investments in Russia and that it would “not benefit from our presence in this market.”
It’s unknown what prompted Holcim to take the plunge with Russia one month after the war started. At the very least, making decisions over assets valued this highly takes time. CM Pro has reported that the Russian government has considered introducing reference prices for building materials for infrastructure projects and that the Federal Antimonopoly Service (FAS) has been monitoring prices for ‘unreasonable’ growth over the last month. This follows grumbling by the Ministry of Industry and Trade in late 2021 about an apparent low capacity utilisation rate in the country despite shortages in the Central Federal District.
CRH said that it was leaving its Russian concrete business in early March 2022. Yet the decision by Holcim makes it the first of the three western multinational cement producers with large-scale operations in Russia to publicly say it’s pulling out. Holcim, HeidelbergCement and Buzzi Unicem each operate at least two integrated cement plants in the region.
Lafarge entered the Russian market in 1996. Its successor Holcim runs plants at Voskresensk and Kolomna in the Moscow region, at Ferzikovo in the Kaluga region and Volsk in the Saratov region. Together the plants have a production capacity of around 9Mt/yr. Over the last decade Holcim and its predecessor has invested at least a reported Euro1.3bn in three of the plants. The dry-production line Ferzikovo plant was built in 2015. The Shchurovsky plant in Kolomna was originally founded in 1870 and claims to be the oldest in the country. In 2011 it started commissioned a new dry production line. The Volsk plant started a modernisation project in 2017. The fourth, the Voskresensk plant, was mothballed in 2016. However, in early February 2022 LafargeHolcim Russia said it was aiming to spend Euro23m towards restarting production at the site. This was likely due to a boom in construction in 2021. The subsidiary also owns three aggregate quarries in the Republic of Karelia region of the country, near the border with Finland.
Selling up in Russia looks set to be difficult for Holcim. This is principally due to the European and American economic sanctions and the Russian government’s stated intention to nationalise the assets of any company trying to leave. This is clearly why Holcim has worded its plans so vaguely. If or when a peace deal is reached between Russia and Ukraine, the business environment could change significantly, depending on the terms, complicating any existing sale process. Determining how much Holcim might want to get from such a sale in these conditions is complex. Smikom bought Eurocement from Sberbank for Euro2.1bn in 2021 giving it 10 plants. Could Holcim realistically expect to sell its plants for around Euro200m each in the current environment? As for the hit Holcim might take, in its annual report for 2021 it said that the group’s Russian operations represented around 1% of the 2021 consolidated net sales. This would have been around Euro260m. Its Russian cement production capacity was reported as being 9Mt/yr in 2021 or 3% of the group’s global figure of 293Mt/yr.
Finally, it is worth noting though that Lafarge’s charges of ‘complicity in crimes against humanity’ also continued to be tested in the French courts this week. The legal case relates to the conduct of Lafarge in Syria between 2011 and 2014. This is totally separate from the situation in Russia but it does highlight the issue of corporate ethics for the group once again. Following proceedings in December 2021, Beat Hess, chair of the board of Holcim said, “The described events concerning Lafarge SA were concealed from the Holcim board at the time of the merger in 2015 and go completely against the values of our company.” Consider that use of ‘values’ again. Holcim may be about to find out how much it is prepared to pay for its values as it departs Russia.
Japan: Tokuyama Corporation has signed a memorandum of understanding (MOU) with Mitsubishi Heavy Industries Engineering (MHIENG). Under the agreement, MHIENG will install a carbon capture demonstration plant at the producer's 4.7Mt/yr Nanyo plant in Yamaguchi Prefecture. It plans to commission the trial plant in June 2022 and operate it until March 2023. The supplier hopes to contribute to the early realisation of carbon neutrality in cement and other industrial fields through its work.
India: Shiva Cement's board of directors has approved the launch of a shareholders' vote over plans to increase its Odisha cement plant's capacity by 2Mt/yr. The plan also involves the expansion of the same plant's clinker capacity by 3Mt/yr and the installation of a 12MW waste heat recovery (WHR) plant. In addition to this, the company is seeking to open two new limestone mines with a combined capacity of 1.9 - 3.1Mt/yr at Khatkurbahal, also in Odisha. The company has received Ministry of Environment, Forest and Climate Change approval for all of the plans.
Germany: ThyssenKrupp Uhde, Holcim and the Technische Universität Berlin have started a joint project to investigate the use of a novel amine scrubbing technology for carbon capture. The goal is to significantly reduce CO2 emissions from existing cement plants and at the same time utilise the captured CO2 for other applications. This includes the development of new mass transfer process equipment that is more efficient and resilient to contaminations. The project is being funded by the German Federal Ministry for Economic Affairs and Climate Action.
The equipment is being tested using exhaust gas at Holcim’s Beckum plant. Various possibilities for using the captured CO2 are also being examined, such as manufacturing methanol or sustainable fuels. The aim is develop a technology that can be retrofitted at existing cement plants.
Ralph Kleinschmidt, head of technology, innovation and sustainability at ThyssenKrupp Uhde said, "Amine scrubbing is already commonly used to recover CO2 from process gases or exhaust gases. Now, we are developing the technology further and optimising it for the cement industry. Additional applications for capturing CO2 direct at source, such as in waste incineration plants, are also possible."Arne Stecher, head of decarbonisation at Holcim Germany added that the company is testing different processes to find the best carbon capture technology.