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Displaying items by tag: Research

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Coolbrook completes RotoDynamic Heater pilot test

20 September 2023

Netherlands: Finland-based Coolbrook has completed the first test phase of the large-scale pilot of its RotoDynamic Heater (RDH) at the Brightlands Chemelot Campus in Geleen, Netherlands. The engineering company says that this has validated the RDH’s technical pathway up to industrial heat generation at temperatures suitable for cement plants. By developing and launching the technology, Coolbrook says that it will rely on a ‘comprehensive partnership ecosystem,’ including market leaders in technology and industry. It says that the RDH has the potential to eliminate 2.4Bnt/yr of CO2 emissions – 30% of global industrial CO2 emissions and 7% of all global CO2 emissions.

CEO Joonas Rauramo said “Sharing our partners’ and customers’ sense of urgency to achieve net zero, we take determined actions to execute our strategy and progress towards the commercial launch of our electric technology. We are proceeding with first commercial agreements, while continuing to build our organisation and supply chain for industrial scale operations.”

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Solidia Technologies patents new synthetic pozzolan

11 September 2023

US: Texas-based Solidia Technologies has patented a synthetic pozzolan that may be used as a supplementary cementitious material (SCM) in cement production. The product is based on previously low-value materials, including minimally processed oil shales and clay minerals. Solidia Technologies produces the material by various methods, including firing the materials to yield a mix of crystalline components and activatable amorphous phase material. Alternatively, production may also involve the aqueous decomposition of manmade silicates in the presence of CO2.

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Synhelion and Cemex España to build solar-fuelled clinker plant near Madrid

14 August 2023

Spain: Switzerland-based Synhelion and Cemex España plan to build a new clinker plant near Madrid. The plant will use Synhelion’s synthetic fuel to produce clinker from clay and crushed sand at 1200°C. The fuel consists of a gas produced from green hydrogen and captured CO2, using solar heat. La Tribune de Genève Online News has reported that Synhelion’s thermochemical reactor further helps to capture CO2 emissions from clinker production. A study by the Swiss Federal Institute of Technology Lausanne indicated that this can halve the cost of carbon capture at cement plants, to below Euro85/t.

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Imperial College London team secures government funding for carbon negative cement development

20 July 2023

UK: A team at Imperial College London has won a US$1.27m grant for its research into developing carbon negative cement from silica. The research won the Department for Energy Security and Net Zero (DESNZ)’s Carbon Capture, Usage & Storage (CCUS) Innovation 2.0 competition. The Imperial team sources its silica from natural olivine. It says that the compound behaves in the same way as other supplementary cementitious materials. Meanwhile, magnesia from the decomposition of the olivine can serve as a carbon sink in the form of magnesium carbonate. It, in turn, could serve as a raw material for concrete block production.

The DESNZ’s Net Zero Innovation Portfolio, of which the CCUS Innovation 2.0 competition is a part, has a budget of US$1.29bn.

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University of Tokyo produces cement-free concrete from sand and ash

07 July 2023

Japan: A team at the University of Tokyo has developed cement-free alternative concrete from ultra-fine sand and fly ash. NHK has reported that the process uses recyclable alcohols and has lower CO2 emissions compared to concrete production using ordinary Portland cement. Research with industrial partners into possible construction sector applications is underway. Partnerships with Japanese ready-mixed concrete producers are reportedly also under discussion.

Further information is available from Yuzo Tobisaka, an independent Japanese consultant in the cement and ready-mixed concrete industry, at This email address is being protected from spambots. You need JavaScript enabled to view it..

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Global Cement and Concrete Association announces Innovandi Open Challenge 2023 shortlist

30 June 2023

World: The Global Cement and Concrete Association (GCCA) has named the 15 anticipated deliverers of low-CO2 cement and concrete production shortlisted for participation in its second Innovandi Open Challenge. The association chose the start-ups based on their potential to deliver CO2 emissions reduction in the global cement and concrete sector in line with its Concrete Future 2050 Net Zero Roadmap. The applicants are presenting their pitches to GCCA members on 30 June 2023. All those accepted will gain access to members' plants, labs, networks and expertise. The following start-ups made the Innovandi Open Challenge 2023 shortlist:

Arrakis Materials

US

Carbon negative materials for concrete

Chement

US

Room temperature cement production

EcoAdmix Global

UK

Nanotechnology ('HDT') for concrete

EcoLocked

Germany

Biocarbon-based admixtures

EnviCore

Canada

Low temperature supplementary cementitious material production

Enzymatic

US

Carbon negative enzymatic concrete corrosion inhibition and recycling

Louis Structures

US

Municipal solid waste-based lightweight aggregates

MEP - SeaMix

US

Basalt fibre and graphene-based admixture

Nano Crete

US

Graphene-enhanced CO2 sequestration

Nanospan India

India

Graphene-based admixture

NeoCrete

New Zealand

Nano-activator for natural pozzolans

Queens Carbon

US

~500°C cementitious materials production

The Cool Corporation

UK

Carbon negative carbon nanotube-based additive for concrete

Ultra High Materials

US

Clinkerless cement

Versarien Graphene

UK

Graphene-based admixture ('Cementene')

GCCA cement director and innovation lead Claude Loréa said “We received more than 70 quality applications, so drawing up a shortlist was challenging." Loréa continued "Our essential industry needs something easily scalable and affordable. Those start-ups on the list demonstrated the most potential, and we look forward to hearing more about their ideas. But we’ll also be keeping in touch with other start-ups who didn’t make this year’s shortlist, with future projects in mind.”

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Global cement market forecast to grow by 5.3% annually up to 2030

22 June 2023

World: Market Research Future has forecast a composite annual growth rate (CAGR) of 5.3% between 2022 and 2030. This would result in a market value of US$505bn in 2030, compared with US$335bn in 2022. The report added that the rate of new construction projects is increasing across all regions.

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Washington State University secures US$3.24m government funding for green cement development

19 June 2023

US: The government has awarded a US$3.24m grant to Washington State University (WSU) for its research towards the development of reduced-CO2 cements. The research is investigating new formulations, in combination with novel technologies aimed at eliminating CO2 emissions. WSU is one of 40 recipients of a funding pot worth US$135m.

Energy Secretary Jennifer Granholm said "America’s industrial sector serves as the engine of the US economy, producing many of the products we rely on every day, but it also produces a significant amount of the nation’s carbon emissions. These projects funded by President Biden’s Investing in American agenda will slash industrial emissions and accelerate next-generation technologies for a clean energy future that’s made in America.”

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Betolar patents energy-storing cement-free concrete in India and the EU

16 June 2023

Europe/India: Finland-based Betolar has secured EU-wide and Indian patents for a new waste-based alternative concrete produced without cement and capable of storing energy. Betolar said that the material, which is already patented in Finland, is especially suited for use in renewable energy infrastructure, where it can provide a storage solution for dealing with short-term peaks. Chief commercial officer Ville Voipio said that the company will now seek to establish a partnership for commercialisation of its new alternative building material.

Betolar produces and markets the Geoprime additive used to produce cement-free concrete from supplementary cementitious materials, including ground granulated blast furnace slag (GGBFS), in regions that include India and the EU.

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Italcementi patents new carbon-doped titanium dioxide-based cementitious material

26 May 2023

Italy: Italcementi, part of Heidelberg Materials, has filed a patent application for a titanium dioxide-based cementitious material. The Patent Office Journal has reported that the material consists of titanium dioxide (TiO2) imbued with carbon dopants. This is produced by irradiating the TiO2 in the presence of an inert gas and an organic compound.

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