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News circular economy

Displaying items by tag: circular economy

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Taiheiyo Cement to dispose of future disaster wastes for Hidaka City and Saitama Prefecture

14 July 2023

Japan: Taiheiyo Cement has concluded an agreement to dispose of waste produced by any natural disasters that should occur in Hidaka City and Saitama Prefecture. Under the agreement, Taiheiyo Cement will establish a disposal system with realises the potential of disaster waste as a resource. This will work alongside another recycling programme for conventional wastes. The cement producer says that this will help to build a safe and secure community.

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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.”

Published in Global Cement News
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Material Evolution raises US$19m to scale reduced-CO2 cement production

30 June 2023

UK: Material Evolution raised US$19m in a Series A funding round to scale production of its 85% reduced-CO2 cement. Material Evolution produces cement at ambient temperature using its own ambient fusion process. Its inputs consist of industrial wastes and feedstocks. Tech Crunch News has reported that venture capital firm Kompas VC led the funding, with participation from fellow venture capital firms Norrsken VC and Circle Rock Capital, as well as quarried materials producer SigmaRoc.

Material Evolution's CEO Elizabeth Gilligan said “Fusion technology has been hailed as the way to meet humanity’s energy needs for millions of years, whilst emitting no CO2 or other greenhouse gases."

Published in Global Cement News
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Global Ferronickel Holdings announces planned entry to cement sector

30 June 2023

Philippines: Metal and ores producer Global Ferronickel Holdings (FNI) plans to invest in clinker production operations. The company has indicated that it will also begin producing limestone to supply any clinker plants that it builds. The Manila Bulletin newspaper has reported that FNI's plans also include new ventures into value-added processing, including through the establishment of a ferronickel processing plant and nickel matte processing facility.

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Cemex España and WtEnergy to implement synthetic gas fuel at Alicante cement plant

27 June 2023

Spain: Cemex España has secured Euro4.4m in EU funding for an upgrade to its Alicante cement plant in Valencia. The project will launch the use of Clyngas synthetic gas as alternative fuel (AF) at the plant. Thermochemical conversion specialist WtEnergy, a subsidiary of Cemex Ventures, will supply the syngas. The partners say that this upgrade will reduce CO2 emissions by 400,000t per decade.

Parent company Cemex said "This project is part of Cemex’s Future in Action programme, which seeks to achieve sustainable excellence through climate action, circularity and natural resource management, with the primary objective of becoming a net-zero CO2 company."

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Indocement Tunggal Prakarsa and Amita Holdings launch feasibility study towards net zero cement production

21 June 2023

Indonesia: Indocement Tunggal Prakarsa has engaged Japan-based environmental consultancy Amita Holdings to support a two-year feasibility study to investigate ways to make its cement production carbon neutral. The study will commence with trials of industrial wastes as alternative raw materials and municipal solid waste as refuse-derived fuel. Amita Holdings says that it is in the process of building a recycling-based society in Indonesia, in partnership with Indocement Tunggal Prakarsa.

Amita Holdings supported the establishment of the community-led Meguru waste sorting facility in Central Java. Two of Indocement Tunggal Prakarsa’s cement plants – the 18Mt/yr Citeureup cement plant and 4.1Mt/yr Paliman cement plant – are situated in neighbouring West Java.

Published in Global Cement News
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Lafarge Canada's Richmond cement plant preparing to resume processing biosolids

01 June 2023

Canada: The district council of Capital Regional District (CRD) says that it expects to resume sending biosolids to Lafarge Canada's Richmond cement plant in early June 2023. This follows a reported reduction in production at the unit in 2023 and 2022, according to the Times Colonist newspaper. The 1.1Mt/yr cement plant previously used biosolids supplied by the CRD as an alternative fuel in its cement production. However, during the current hiatus the biosolids have been sent to landfill instead.

The Richmond cement plant is the site of the CO2MENT carbon capture and utilisation project. The project proceeded to its third phase, which consists of a capture capacity expansion and the installation of a liquefaction plant, in May 2023.

Published in Global Cement News
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Heidelberg Materials North America inaugurates expanded Port Canaveral slag cement plant and terminal

26 May 2023

US: Heidelberg Materials North America has inaugurated the Port Canaveral slag cement plant and terminal in Florida, following an expansion. MENAFN News has reported that the producer invested US$24m in the installation of a new roller press at the facility.

Heidelberg Materials North America said "Heidelberg Materials' investment in the Port Canaveral slag cement facility is reflective of our commitment to supporting sustainable and resilient construction projects in the state of Florida and throughout the country. It is also aligned with our goal to significantly reduce our carbon footprint by 2030 and another milestone in our overall strategy to grow our portfolio of more sustainable products, technologies and customer-focused solutions on the path to Net Zero."

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Calgary team develops CO2-sequestring cement using brine

23 May 2023

Canada: A study led by Douglas Geoffrey in Calgary, Alberta, has patented a method of producing cement from calcium carbonate precipitated in the carbonation of brine. The method mixes the mineral with magnesium oxide and cures it to form cement.

Geoffrey noted that the brine may derive from multiple industrial processes, including fossil fuel and potash production, geothermal power generation and desalination.

Published in Global Cement News
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Golden Bay Cement secures bottom ash supply

09 May 2023

New Zealand: Golden Bay Cement has signed a deal with Genesis Energy for a supply of bottom ash from Huntly power plant for use in cement production at its Portland cement plant in Northland. Genesis Energy generates 20,000t/yr of bottom ash at the Huntly plant, situated in Waikato, 260km south of the Portland cement plant. The plant currently uses 15,000t/yr of fly ash from the Huntly power plant in its operations. The producer was previously investigating the use of volcanic ash in cement production in 2022. It currently uses waste tyres and wood waste as alternative fuels (AF) to produce its EcoSure low-carbon general-purpose cement.

Golden Bay Cement's general manager Gian Raffainer said "We are driven to decarbonise and achieve 30% less carbon by 2030. Contributing to waste reduction at a large scale for the benefit of all New Zealanders is incredibly exciting. It is a win-win for the environment and for Kiwis who want to use more environmentally friendly products."

Published in Global Cement News
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