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News Biomass

Displaying items by tag: Biomass

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Sumitomo Osaka Cement powers head office using biomass

01 February 2023

Japan: Sumitomo Osaka Cement has started using electricity generated from biomass to power its head office in the Shiodome Sumitomo Building in Tokyo. The electricity is generated at the company’s company's Tochigi biomass power plant in Sano and then fed into the general grid. The cement producer and the country are using a feed-in-tariff (FIT) non-fossil energy certificate system to track the use of electricity generated from non-fossil fuel generated sources.

Published in Global Cement News
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Study successfully uses waste crustacean shells for concrete production

08 August 2022

US: A team from Washington State University (WSU) and Pacific Northwest National Laboratory has successfully used waste crustacean shells in the production of concrete. ZME Science News has reported that the materials consist of calcium carbonate and 20 – 30% chitin, a nanoparticle biopolymer. When used as an additive in concrete production, the shells increase the set product’s compressive strength by 12% and its flexural strength by 40%. The team is now developing a methodology for the industrial-scale production of shell-based additives.

WSU researcher Professor Michael Wolcott said “Those are very significant numbers. If you can reduce the amount that you use and get the same mechanical function or structural function and double its lifetime, then you’re able to significantly reduce the carbon emissions of the built environment.”

Published in Global Cement News
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Zement- und Kalkwerke Otterbein to invest Euro10m in sustainability upgrades

01 July 2022

Germany: Zement- und Kalkwerke Otterbein plans to invest Euro10m in upgrades to its Otterbein cement plant to increase the sustainability of cement production there. The new equipment will include a hot gas filter SCR catalytic converter system. The producer says that this will install the facility as one of the lowest-CO2 cement plants in the world. Local press has reported that, after commissioning the new system, the company plans to increase its approved substitution of biomass as fuel to 100% from 60%.

Published in Global Cement News
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Karbonite UK develops new supplementary cementitious material

27 June 2022

UK: Karbonite UK has developed a new supplementary cementitious material consisting of mineral feedstock, geopolymers and waste biomass. The process also involves CO2 sequestration and liquid-infused CO2 absorption within the mineral structure. The material, called Karbonite, is activated at 750 – 850°C, releasing water, which is captured for recycling. Its CO2 emissions are 2.7kg/t, according to Karbonite UK. The developer says that Karbonite ground with 50% clinker yields a cement of equal compressive strength to ordinary Portland cement (OPC).

Karbonite UK is currently preparing a final report on the product for a major cement producer.

Managing director Rajeev Sood said “Karbonite offers a wealth of potential to an industry targeting net zero. We are excited to talk to cement and concrete producers about how they could integrate Karbonite technology into their existing process.”

Published in Global Cement News
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Borneo Oil increases investment in ILPP cement plant to US$12m

11 April 2022

Malaysia: Borneo Oil has increased its investment in the upcoming ILPP cement plant in Sabah to US$12m. The oil company has signed a deal to buy a 19.5% stake in the cement company from Makin Teguh. Borneo Oil previously bought shares from Makin Teguh in late 2021. The company said it is making the move to benefit from a positive outlook for the cement sector in the Brunei Darussalam–Indonesia–Malaysia–Philippines East ASEAN Growth Area. It estimates that Sabah has a demand of 1.2 – 1.4Mt/yr of cement.

Borneo Oil says it is the largest private owner of limestone reserves of cement grade quality in Sabah. The ILPP plant is located next to a limestone quarry owned by Borneo Oil and a long-term supply contract for the unit is already in place. The ILPP plant will have a cement production capacity of 0.2Mt/yr when it is completed. Commissioning of the plant is scheduled for the third quarter of 2022. The owners say it will be the first integrated plant in Sabah. It will also be the first micro-cement plant in Malaysia that will use heat recovery and a mixture of fuels, including heavy fuel oil and biomass such as a palm kernel shells.

Published in Global Cement News
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St Mary’s Cement plans alternative fuels use at St Mary’s cement plant

18 November 2021

Canada: St Mary’s Cement plans to apply for a licence to substitute alternative fuel (AF) for a part of its coal, gas and petcoke fuel mix. The plant previously held a two-week AF substitution trial in May 2011. CBC News has reported that the subsidiary of Votorantim Cimentos will present its plan at an evening meeting for the general public on 18 November 2021. The company says that it plans to implement similar AF arrangements to those at its Bowmanville plant, where it uses 90,000t/yr of biomass, wood from construction and demolition and non-recyclable paper and plastics.

Environmental manager Ruben Plaza said "Lower CO2 emissions is the first consideration and, equally as important, the material has to be approved and available in sufficient quantities with a reliable and sustainable long-term supply."

Published in Global Cement News
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Sinoma International Engineering to build power plants for National Cement

21 October 2021

Kenya: National Cement has awarded a contract to Sinoma International Engineering for the construction of power plants with a total capacity of 35MW. Gelonghui News has reported that the supplier will provide a biomass-fuelled power plant and waste heat recovery (WHR) plant with a combined capacity of 10MW and a further 25MW power station. It previously delivered a WHR system for the producer in 2019.

Published in Global Cement News
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Cemex España reopens Lloseta cement plant

04 May 2021

Spain: Cemex España reopened its Lloseta cement plant in Majorca in mid-April 2021. The unit will start by operating at a low production level until demand levels build, according to the El País newspaper. The plant intends to use alternative fuels such as biomass to reduce its CO2 emissions. It is also working with the Power to Green Hydrogen Mallorca project to use ‘green’ hydrogen created partly using solar energy. The plant now employs 20 people, compared to 96 before its closure in January 2019.

Published in Global Cement News
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Taiheiyo Cement installs Aumund elevators and a conveyor at Ofunato plant

31 July 2020

Japan: Taiheiyo Cement has installed three BWZ bucket elevators and a Louise TKF drag chain conveyor supplied by the Hong Kong-based subsidiary of Aumund at its new power plant at Ofunato. The cement producer uses both biomass and coal at the plant.

Two elevators and the drag chain conveyor are used to transport palm kernel shells (PKS) and palm empty fruit bunches (EFB), which are used as alternative fuels in the power plant. Each has a capacity of up to 150t/hr. The conveying concept is designed so that the different materials are kept apart and enter the silo buffer tanks separately. The third bucket elevator is used for coal handling. It is a gravity discharge type BWZ-S elevator with a capacity of up to 35t/hr.

Published in Global Cement News
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Green hydrogen for grey cement

08 July 2020

Hydrogen and its use in cement production has been adding a dash of colour to the industry news in recent weeks. Last week, Lafarge Zementwerke, OMV, Verbund and Borealis signed a memorandum of understanding (MOU) to plan and build a full-scale unit at a cement plant in Austria to capture CO2 and process it with hydrogen into synthetic fuels, plastics or other chemicals. This week, Air Products and ThyssenKrupp Uhde Chlorine Engineers (TUCE) signed a strategic agreement to work together in ‘key regions’ to develop projects supplying green hydrogen. Both of these developments follow the awarding of UK government funding in February 2020 to support a pilot project into studying a mix of hydrogen and biomass fuels at Hanson Cement’s Ribblesdale integrated plant.

As the title of this column suggests there is an environmental colour code to describe how hydrogen is made for industrial use. This is a bit more codified than when grey cement gets called ‘green’ but it pays to remember what the energy source is. So-called ‘green’ hydrogen is produced by the electrolysis of water using renewable energy sources such as hydroelectric or solar, ‘Grey’ hydrogen is made from steam reforming using fossil fuels and ‘Blue’ hydrogen is similar to grey but has the CO2 emissions from the fuels captured and stored/utilised. Price is seen as the main obstacle to wider uptake of hydrogen usage as a fuel in industry although this is changing as CO2 pricing mounts in some jurisdictions and the connected supply chain is developed. A study by BloombergNEF from March 2020 forecasted that green hydrogen prices could become cheaper than natural gas by 2050 in Brazil, China, India, Germany and Scandinavia but it conceded that many barriers would have to be overcome to get there. For example, hydrogen has to be manufactured making it more expensive than fossil fuels without government policy support and its, “lower energy density also makes it more expensive to handle.”

The three recent examples with respect to the cement industry are interesting because they are all exploring different directions. The Lafarge partnership in Austria wants to use hydrogen to aid the utilisation side of its carbon capture at a cement plant. The industrial suppliers, meanwhile, are positioning themselves in the equipment space for the technology required to use hydrogen on industrial plants. Secondly, ThyssenKrupp has alkaline water electrolysis technology that it says it has used at over 600 projects and electrochemical plants worldwide. Air Products works with industrial gas production, storage and handling.

Finally, the Hanson project in the UK will actually look at using hydrogen as a partial replacement for natural gas in the kiln combustion system. A Cembureau position paper in mid-2019 identified that the challenges to explore in using hydrogen in cement production included seeing how its use might affect the physical aspects of the kiln system, the fuel mass flows, temperature profile, heat transfer and the safety considerations for the plant. Later that year a feasibility study by the Mineral Products Association (MPA), Verein Deutscher Zementwerke (VDZ) and Cinar for the UK government department that is funding the Hanson project concluded that a hydrogen flame’s high heat in a burner alone might not make it suitable for clinker formation. However, the study did think that it could be used with biomass to address some of that alternative fuel’s “calorific limitations” at high levels. Hence the demonstration of a mixture of both hydrogen and biomass.

That’s all on hydrogen but, finally, if you didn’t log into yesterday’s Virtual Global CemProducer 2 Conference you missed a treat. One highlight was consultant John Kline’s presentation on using drones to inspect refractory in some hard to reach places. Flying a camera straight into a (cool) pyro-processing line was reminiscent of a science fiction film! Global Cement has encountered the deployment of unmanned aerial vehicles in quarry and stockpile surveys previously but this was a step beyond.

The proceedings pack - including video, presenter slides and delegate list - for the Virtual Global CemProducer 2 Conference 2020 is available to buy now

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