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News Strategy

Displaying items by tag: Strategy

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Update on construction and demolition waste, February 2023

01 February 2023

Cemex launched a new waste management division called Regenera this week. Cemex describes Regenera as a “business that provides circularity solutions, including reception, management, recycling, and coprocessing of waste.” The Mexico-based company has a long and leading history with sourcing and using alternative fuels in the cement sector and the new organisation looks set to utilise this experience. What is notable though is how the business is targeting three waste streams: municipal and industrial; industrial by-products; and construction, demolition and excavation waste (CDEW). Bringing the three waste streams together in this way appears to be novel for the heavy building materials sector, particularly the inclusion of CDEW, which we will explore further here.

CDEW is split into fractions, just like the municipal and solid waste streams that end up as alternative fuels at cement plants, but the biggest fractions are generally concrete, followed by bricks. The recycled concrete is then typically used as an aggregate, either in new concrete production or in areas like road construction and earthworks. The use of recycled aggregates (RA) made from CDEW goes back to at least the 1930s in its current form although ‘reusing’ materials from structures such as castles and churches goes back far further. Recycling and reusing CDEW gained a boost in 2020 when the European Union (EU) set a 70% recovery target. However, within the EU the CDEW recycling rates vary considerably and that 2020 target includes the use of CDEW in backfill applications.

In its launch statement for Regenera, Cemex noted that it operates a dock in Paris, where it receives a variety of materials, including construction debris, excavated material and inert soil. These materials are sorted, processed and then transformed into recycled aggregates or organic material used to restore quarries. Cemex then promptly followed up the official launch of Regenera on 30 January 2023 with the acquisition of a majority stake in Shtang Recycle, an Israel-based CDEW recycling company. It added that Shtang Recycle is preparing to build a recycling plant with a production capacity of 0.6Mt/yr of CDEW waste materials. The output from the plant will be used as raw materials for aggregate production.

The focus on CDEW recycling was flagged up at Cemex’s investor event in November 2022. It said that it was targeting a recycling rate of 14Mt/yr of construction and demolition waste by 2030. Other managed waste stream goals included doubling the amount of municipal and industrial waste it manages, to achieve a 50% to fossil fuel substitution rate, and increasing its usage of alternative raw materials and by-products by 30%, thereby eliminating 13Mt/yr of extracted materials.

Cemex is not alone in targeting the CDEW waste sector. Holcim’s recent work in the area goes back to at least 2016 when a recycling unit near its Retznei cement plant in Austria started processing 130,000t/yr of CDEW. It announced in December 2022 that it was setting up a similar recycling centre, also in Austria, at its Mannersdorf cement plant. In October 2022 Holcim acquired Wiltshire Heavy Building Materials in the UK. This company recycles 150,000t/yr of construction and demolition waste into aggregates and concrete. Holcim linked the acquisition to its Strategy 25 target of recycling 10Mt/yr of construction and demolition waste by 2025.

Activity by other cement companies includes the commissioning of a construction waste recycling plant at Gennevilliers in France by CRH-subsidiary Eqiom in April 2022. It was aiming for a target of 50,000t in 2022. In November 2022 Heidelberg Materials agreed to acquire RWG Holding based in Berlin, Germany. Then, in December 2022, it announced a deal to buy Mick George Group in the UK. Both proposed acquisitions are subject to competition authority approval. Heidelberg Materials’ current target is to offer circular alternatives for half of its concrete products by 2030.

The moves by the bigger cement companies into the CDEW sector follow sustainable thinking and the waste hierarchy. Yet the big prize here is to gain a route to dispose of some of their CO2 emissions through recarbonation and this has been flagged up in several net-zero roadmaps for the cement sector such as those by Cembureau and the Global Cement and Concrete Association (GCCA). Holcim has been involved in the FastCarb project in France, running a pilot at its Val d’Azergues cement plant in 2021. Heidelberg Materials has been testing its own process with so-called recycled concrete paste. The development now appears to be that utilising CDEW has entered the sustainability strategies for some of the big cement-concrete-aggregate producers, targets have been set and acquisitions are happening.

For more information on Heidelberg Materials research into concrete recycling read the January 2023 issue of Global Cement Magazine

Published in Analysis
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Republic Cement and Ecoloop seek new waste management partners

30 January 2023

Philippines: CRH subsidiary Republic Cement and its waste management subsidiary Ecoloop are seeking to establish partnerships with 'sustainability-minded' organisations. BusinessWorld News has reported that Republic Cement and Ecoloop process waste for 12 private companies and 30 local government units. Philippines law will require that large organisations recover 80% of their plastic packaging waste by 2030. For 2023, the minimum is 2023.

Ecoloop managing director Angela Edralin-Valencia said “Our goal is to make our cement a greener and more environmentally friendly product. Our ambition is to replace 50% of our fuel consumption with alternative fuel (AF)." She added "A lot of investments have to be put in place from our end to get to that number, but we are still reviewing our options.”

Published in Global Cement News
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Cemex seeks to increase Cemex Philippines stake to 90% with a view to selling up

27 January 2023

Philippines: Cemex has launched an offer to acquire 12% of outstanding shares in Cemex Philippines, giving it a 90% stake in the company, for US$38m. Axis Negocios News has reported that the group is seeking to increase and consolidate its interests in Cemex Philippines in order to assess a potential divestment from its position.

In December 2020, Cemex increased its stake in its subsidiary Cemex Latam Holdings by 20% to 93%. It subsequently divested part of that business in 2022.

Published in Global Cement News
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Siam Cement Group forecasts 10% sales growth in 2023

27 January 2023

Thailand: Siam Cement Group (SCG) has forecast 10% year-on-year growth in its consolidated sales to US$19.1bn in 2023, from US$17.4bn in 2022. The Bangkok Post newspaper has reported that the group expects sales to rise due to the reopening of the Chinese market and an anticipated growth in Thai domestic tourism.

High value-added goods and services constituted 34% of SCG’s total sales in 2022. The group increased its installed renewable power capacity by 78% to 234MW throughout the year. SCG has planned capital expenditure investments of US$1.22 - 1.53bn in 2023.

SCG president and CEO Roongrote Rangsiyopash said "The economic outlook for 2023 seems to be better than last year, but we will continue to monitor risk factors that may affect our businesses.”

Published in Global Cement News
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Siam Cement Group increases sales as profit drops

26 January 2023

Thailand: Siam Cement Group (SCG) recorded consolidated sales of US$17.4bn in 2022, up by 7% year-on-year from 2021 levels. Its net profit was US$652m.

During 2023, SCG plans to invest US$1.22 - 1.53bn in capital expenditure.

Published in Global Cement News
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Lafarge Zement to install new solar power plant at Mannersdorf cement plant

24 January 2023

Austria: Lafarge Zement has successfully demolished the chimney of a former gas power plant at its Mannersdorf cement plant in Lower Austria. Hans Zöchling GmbH carried out the demolition work. Lafarge Zement plans to use the cleared space for a new solar power plant. Plant manager Helmut Reiterer said that further renewable power projects are also planned at the site.

Published in Global Cement News
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Unacem Perú to 'significantly increase' cement capacity

23 January 2023

Peru: Unacem Perú plans to 'significantly increase' its cement production capacity 'in the medium-term future.' Prior to that, the producer will invest US$130m in capital expenditure during 2023, double what it invested in 2022. The investments will go towards slightly expanding the producer's capacity from 8.3Mt/yr and increasing alternative raw materials use in its cement production, including pozzolan and ground granulated blast furnace slag (GGBFS). Additionally, it will open its new Manchay limestone quarry in Pachacámac in early 2023.

Unacem said that it increased its cement sales 'unexpectedly' during 2022. It operated at 85 - 90% capacity utilisation, and continued to export clinker.

Published in Global Cement News
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Heidelberg Materials places Euro750m sustainability-linked bond

16 January 2023

Germany: Heidelberg Materials has placed a Euro750m sustainability-linked bond as part of a Euro10bn medium-term note programme. Interest on the bond is linked to group CO₂ emissions reduction, according to key performance indicators up to 2026 and 2030. Heidelberg Materials is committed to reducing its emissions per tonne of cementitious product by 30% between 2021 and 2030, to 400kg/t.

Heidelberg Materials' chief financial officer René Aldach said "The placement reinforces our aspiration to achieve the most ambitious climate targets within the industry and to increase the share of sustainable financial instruments to over 70% by 2025. With the denomination of Euro1000, we are the only company on the capital market to date to also offer retail investors the opportunity to invest in sustainability-linked bonds."

Published in Global Cement News
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Science-Based Targets Initiative validates Cementos Argos’ emissions reduction targets

06 January 2023

Colombia: The Science-Based Targets Initiative (SBTi) has validated Grupo Argos Subsidiary Cementos Argos’ CO2 emissions reduction goals. Cementos Argos aims to reduce its Scope 1 and Scope 2 CO2 emissions in line with a well-below 2°C climate change scenario by 2030. Its strategy includes increasing co-processing of alternative fuel (AF), reducing its cement’s clinker factor, optimising its heat and electricity consumption, investing in cleaner technologies, increasing the share of renewable power it uses and diversifying its product range to include more low-carbon products.

Published in Global Cement News
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Siam Cement Group to invest US$2.89bn in renewables by 2028

19 December 2022

Thailand: Siam Cement Group (SCG) will invest US$2.89bn in new renewable power infrastructure across its businesses. Major growth areas include 3000MW of solar power generation capacity. This will increase group solar capacity by a factor of 15. Saur Energy News has reported that the renewable power projects will support the company’s on-going decarbonisation investments in cement and other businesses.

SCG is committed to achieving a circular business model and net zero CO2 emissions by 2050.

Published in Global Cement News
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AI Modules - The Kima Process
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Airscape - The new sealing standard for transfer points in conveying systems
Acquisition Cemex China CO2 concrete coronavirus Export France Germany Government grinding plant HeidelbergCement Holcim Import India Lafarge LafargeHolcim Mexico Nigeria Pakistan Plant Product Production Results Russia Sales Sustainability UK Upgrade US
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