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News Alternative raw materials

Displaying items by tag: Alternative raw materials

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Betolar launches Geoprime concrete products in India

11 October 2022

India: Finland-based Betolar has launched its first concrete products manufactured using Geoprime on the Indian market. Geoprime is an additive designed for use in cement-free concrete production with ash and ground granulated blast furnace slag (GGBFS). The new concrete product range consists of precast blocks, paving slabs and tiles, and is currently on display at World of Concrete India in Mumbai, Maharashtra.

Betolar's India managing director Abhishek Bhattacharya said "We are happy to introduce our first products to our customers for the Indian markets. We have now moved from laboratory tests into the production phase, and can show concretely how well this solution works. It is great to hear the feedback from the concrete industry in the region to our sustainable solution. Decarbonisation of the concrete industry is a very current and important topic."

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Hoffmann Green Cement Technologies to supply concrete for glass wool recycling plant

03 October 2022

France: Hoffmann Green Cement Technologies is supplying its low-CO2 clinker-free cement for the construction of an industrial prototype glass wool recycling plant in Chemillé-en-Anjou by Saint-Gobain subsidiary Isover. The company will supply its H-UKR cement for use in the facility’s foundations.

Hoffmann Green Cement Technologies co-founders Julien Blanchard and David Hoffmann said "This unprecedented project is totally in line with what we want to embody since the creation of Hoffmann Green: the promotion of the circular economy in the construction sector through the revalorisation of waste from industry."

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Breedon Group, First Graphene and others to develop graphene-enhanced cement

29 September 2022

UK: Breedon Group, together with Australia-based First Graphene, Morgan Sindall Construction & Infrastructure and the University of Manchester, is developing a new reduced-CO2 graphene-enhanced cement. The consortium is currently formulating the cement using varying doses of First Graphene’s PureGRAPH graphene-enhanced grinding aid. The project received a research grant from the UK government earlier in 2022. First Graphene says that the study involves one of the largest commercial trials of its kind to date globally. It is simultaneously collaborating on another similar trial with a Europe-based speciality chemicals producer.

On 29 September 2022, First Graphene launched its latest range of graphene-enhanced cement grinding aids and concrete additives. These join recent launches PureGRAPH AM, an admixture developed in collaboration with South Africa-based Nanoproof/Glade Chemicals, and HexMortar, a dry mortar mix which will be distributed by New Zealand-based GtM Action.

First Graphene says that its cement and concrete segment’s order pipeline totals US$113m in value. Managing director and chief executive officer Michael Bell said “It is pleasing to see our efforts, and those of our collaboration partners, coming to fruition at a commercial scale. One of the primary drivers for the adoption of graphene solutions in this segment is the reduction of CO2 emissions. We’re seeing considerable benefits both in the immediate reductions that can be achieved through the use of graphene-enhanced grinding aids, as well as the potential reductions in concrete usage because of the enhanced physical properties these products provide.” Bell concluded “Working with industry-focused partners such as Nanoproof/Glade Chemicals, GtM Action, Breedon Cement and Fosroc opens the way to an estimated addressable market of more than 12,000t of PureGRAPH across the medium to long term.”

Published in Global Cement News
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Innovative Ash Solutions launches supplementary cementitious material made from incinerator waste

27 September 2022

UK: Innovative Ash Solutions, a joint venture of Levenseat and Organic Innovative Solutions, has launched a new air pollution control residue (APCR)-based supplementary cementitious material (SCM). The supplier produces the material at its Lanarkshire treatment facility using APCR local from municipal solid waste (MSW) and wood biomass incinerators. Innovative Ash Solutions has received planning permission for a 54,000t/yr industrial-scale APCR-based SCM plant, and plans to establish a total of three plants in the UK, one of which will reach a capacity of 500,000t/yr. It has also signed an exclusive licensing agreement with an Australia-based importer for the material.

The SCM is designed to replace pulverised fly ash (PFA), of which the UK imported 325,000t in 2019, more than four times its 2012 import volumes of 76,000t.

Innovative Ash Solutions director Robert Gren said “We are excited to bring this new product to market. Innovative Ash Solutions is the first and, so far, the only company in the UK to have achieved ‘End of Waste’ accreditation for a PFA replacement for this type of use. Our research shows there is potential to produce more than 500,000t/yr of PFA replacement from UK APCRs every year, which would reduce the need for importing materials and support the decarbonisation of cement and concrete products.”

Published in Global Cement News
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Lafarge Algeria launches Chamil reduced-CO2 cement

22 September 2022

Algeria: Lafarge Algeria has launched Chamil cement, a 40% reduced-CO2 cement, which contains locally sourced clay and ferrous materials. The producer developed Chamil cement based on technology from the Rouiba Construction Development Laboratory.

Lafarge Algeria aims to achieve export volumes of 3Mt across its product range in 2022.

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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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Calucem to establish US$35m calcium aluminate cement plant in New Orleans

01 August 2022

US: Calucem, part of Cementos Molins, plans to establish a new calcium aluminate cement plant in New Orleans, Louisiana. The company will invest US$35m in the project and expects to commission the plant in mid-late 2023. It expects to create 70 new direct jobs and a total of 228 new jobs locally.

Calucem president and chief executive officer Yuri Bouwhuis said “Calucem is taking on a new investment that will support our growth and diversification in the US and ensure that we continue to offer high-value products to our global customers. Our choice of Louisiana for our first all-new manufacturing project in the US is due to the availability of strategic raw materials such as limestone and natural gas, access to waterways and skilled labour and the long history of using speciality cement products in the US.”

Published in Global Cement News
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National Cement Company of Alabama’s Ragland cement plant upgrade to reduce CO2 emissions by 40%

25 July 2022

US: National Cement Company of Alabama has reported that the new kiln line at its Ragland cement plant will reduce the plant’s CO2 emissions by 40%. Its energy consumption will also fall by 30% as a result of the upgrade. The new line includes a 78m-high homogenisation silo, vertical crusher, five-stage preheater and automated clay storage system. AF used in the kiln will include waste tyres, woodchip and sawdust. The new kiln will help in the Ragland cement plant’s transition to 100% Portland limestone cement (PLC) production by 2023, further diminishing its carbon footprint.

Vicat CEO Guy Sidos said "Our ambition is to use AF in all our cement plants around the world. In addition to eliminating fossil fuel energy and replacing it with recycled regional waste, our investments contribute directly to local development. We are proud of the modernisation and transformation of our Ragland site, which was our very first acquisition outside France in 1974."

Published in Global Cement News
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Holcim Ecuador launches ECOPlanet cements

19 July 2022

Ecuador: Holcim Ecuador has launched its new portfolio of ECOPlanet reduced CO2 cements. The products bear the new green and blue branding of the Holcim group.

CEO Dolores Prado said that the company began its green transition with the September 2019 carbon neutral certification of its Agrovial, Base Vial and Maestro cements.

Published in Global Cement News
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Aggregate Industries partners with Coomtech for ash drying

12 July 2022

UK: Aggregate Industries and Coomtech have partnered to develop low-energy kinetic drying technology for pulverised fuel ash (PFA) from power plant. The partnership will see Aggregate Industries use Coomtech’s kinetic dryers in its PFA processing, as part of its effort towards increasing the volume of waste materials incorporated in its products to 3Mt/yr from 1.5Mt/yr by 2025. The project has attracted funding from the UK government Department of Business, Energy and Industrial Strategy (BEIS).

Chief commercial officer Chris Every said “We’re delighted to have the support of Aggregate Industries in this grant project. Coomtech is especially pleased to have the business’ ongoing technical and commercial input to the project operation and analysis of performance. In addition, the opportunity to work together with a brand that is leading the way in creating new materials that will prove fundamental to the future of the construction sector and meet net zero objectives.” Every continued “The added benefit of our new drying technology is its flexibility - providing the potential to dry a wide range of materials being considered to aid the greening of the cement industry, including limestone, ground blast furnace slag (GBFS), natural pozzolans and other crushed and milled minerals that can offer an activated character to combine in cement and concrete mixes.”

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