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News CO2

Displaying items by tag: CO2

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LafargeHolcim announces Euro145m investment in CO2 efficiency improvement

18 September 2019

Switzerland: LafargeHolcim has revealed a Euro145m investment plan to reduce its CO2 emissions in Europe by 3Mt/yr, equivalent to 15% of its carbon footprint, by 2022. The investment will target advanced equipment and technology to increase the use of low-carbon fuels and materials.

Published in Global Cement News
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Holcim Ecuador’s Agrovial and Base Vial cements certified carbon neutral

18 September 2019

Ecuador: Sambito, the Ecuadorian environmental consultant, has endorsed the certification of two LafargeHolcim cement products as carbon neutral. Metro Ecuador has reported that both Agrovial and Base Vial, prepared at low heats for foundations and roads respectively, have 54% lower emissions than ‘traditional’ cement. Carbon neutrality was achieved by Holcim Ecuador’s ownership of the 6078 hectare Cerro Blanco Protected Forest, 2175 hectares of which suffices to offset the emissions from production of both products.

Published in Global Cement News
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The effects of CO2 regulation on cement production

04 September 2019

Escenario global del Cemento a 2019 y los principales desafíos estratégicos que enfrentara la Industria del cemento en los próximos anos, Yassine Touahri, On Field Investment Research

Forgive the poor image quality but our magazine editor Peter Edwards spotted this provocative graphic (above) at the Federación Interamericana del Cemento (FICEM) technical congress that is taking place in the Dominican Republic this week. It came from a presentation given by Yassine Touahri from On Field Investment Research. The reason this slide raises eyebrows is because it seems to inversely link CO2 emission regulations with cement grinding capacity growth.

One would expect integrated or clinker production capacity addition to decline in the face of various carbon taxes because the majority of emissions in cement production are process emissions. Yet this graphic suggests that it goes further by affecting the supply of clinker in these regions. If correct then it supports the argument that introducing carbon taxes forces related capacity investment to go elsewhere. In other words, if governments try to control industrial CO2 emissions, then the market will follow the path of least resistance. The world has a clinker production capacity surplus and the countries with no CO2 regulations are scooping it up.

The counter argument is that capacity growth and CO2 legislation is unrelated. The regions with flat or falling grinding capacity additions are the places were this trend is occurring anyway for other reasons. These areas have built their houses and infrastructure and so one would expect no or low capacity growth. In this environment it is easier to introduce CO2 laws because, rightly or wrongly, it is perceived to be less important to the overall economy. Meanwhile, outside of these zones national economies are growing: they want to build things and new grinding plants to take advantage of a global glut of clinker are helping them to do this.

Other issues with this graphic are the widely different reasons for low cement grinding capacity growth in the areas with CO2 legislation. Europe, for example, has endured the European Union (EU) Emissions Trading Scheme (ETS) for over a decade and it has seen growth in the slag-cement grinding model in some countries in recent years. General trends have also seen a considerable drop in production capacity in Southern Mediterranean countries as their export markets decline. China is actively trying to manage a reduction in production capacity following a period of unparalleled growth. CO2 legislation is one potential means to do this.

The next step here would be to model the effect of a carbon tax on a developing market, which is genuinely growing its cement consumption, compared to a more mature one. This might help to answer whether economic development can be untangled from carbon emissions. CO2 regulations are undoubtedly distorting cement markets though. Touahri is right when he says that, “CO2 management will be the key challenge for the cement industry in the 21st century.” Once it is given a value then it changes the nature of the business.

There will be a full review of the FICEM technical congress 2019 in a future issue of Global Cement Magazine

Published in Analysis
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Conifers indicate cement plant’s carbon footprint

04 September 2019

China: Research conducted by the North-West Institute of Eco-Environment and Resources has ascertained detailed data on carbon dioxide (CO2) and mercury (Hg) output at a cement plant in Lanzhou using local spruces.

VerticalNews has reported of distance-dependent variations of Hg concentration in needles close to the cement plant, with the highest concentrations observed in needle samples from the site nearest to the plant. Hg in tree rings increased gradually for all sites by year, reaching a concentration of 65.8ng/g in the last growing period at 0m from the plant.

The study fuels hopes of accurate quantification of historical accumulation of air pollutants, including heavy metals, as well as contributing to our understanding of biochemical Hg cycling in forest ecosystems.

Published in Global Cement News
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Algae pond commissioned for HeidelbergCement’s Morocco cement plant

27 August 2019

Morocco: Morocco’s second largest cement plant in Safi, HeidelbergCement’s largest in the country, is to receive an adjacent algae pond. Environmental innovator Omega Green has estimated the pond’s rate of carbon dioxide removal at 80-100t/yr. The algae can be sold on to food, cosmetics, and animal feed producers.

Published in Global Cement News
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Vietnamese cement producers in four provinces to run carbon tax pilot

08 August 2019

Vietnam: 20 factories in Quang Ninh, Thanh Hoa, Quang Nam and Thua Thien Hue provinces will be subject to a new carbon tax in a pilot project. The Ministry of Agriculture and Rural Development has started to put the programme into action following approval from Prime Minister Nguyen Xuan Phuc, according to the Vietnam News Agency Bulletin. The pilot project will start in 2020 and run until the end of 2021.

The scheme will include 11 cement companies and nine power plants. Cement producers and traders will be charged US$0.09/t of clinker, equivalent to US1.35/t of CO2. The tax will also increase electricity costs for cement producers. It is expected to increase the production cost at plants by 0.29%.

Nguyen Van Vu, head of Finance and Planning Department under Vietnam Administration of Forestry (VAF), said that the tariff was lower than the World Bank’s Forest Carbon Partnership Facility pledge to pay for emission reduction efforts in North Central Region of US$5/t of CO2. The provinces running the tariff are expected to generate around US$7.4m/yr. Most of this revenue will be accrued in Quang Ninh, followed by Thanh Hoa, Thua Thien Hue and Quang Nam.

Published in Global Cement News
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LEILAC demonstrates CO2 separation at Lixhe cement plant

30 July 2019

Belgium: Australia’s Calix says the Low Emissions Intensity Lime And Cement (LEILAC) consortium has successfully demonstrated CO2 separation with more than 95% purity at its pilot unit at HeidelbergCement’s cement plant in Lixhe. Technology provider Calix said that preliminary test runs have been completed on the pilot. The technology concept has been shown to work on both lime and cement meal, with calcination near to target levels and high purity CO2 successfully separated at the top of the reactor although not yet at full design capacity.

It added that it was still working on fixing commissioning issues. Testing will run until the end of 2020 to assess the risk of potential longer-term issues such as tube health and process robustness. In parallel, planning has commenced on the next scale-up of the technology, including conceptual design and engaging funding consortia.

Published in Global Cement News
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Lafarge Canada launches carbon capture project

26 July 2019

Canada: Lafarge Canada has launched the first phase of its CO₂MENT project. The objective is to build a full-cycle solution to capture and reuse CO2 from a cement plant. The project is a partnership between Lafarge Canada, Inventys and Total.

“LafargeHolcim is committed to reducing CO2 emissions and we are excited to join forces with Inventys and Total through Project CO₂MENT. We hope to discover ways to capture emissions from our production processes and reuse them in our products, advancing a circular economy even further than today. The recent launch of the new lower carbon fuel (LCF) system at our Richmond plant aims to make the facility the most carbon efficient cement plant in Canada,” said René Thibault, Region Head North America for LafargeHolcim.

Over the next four years, Project CO₂MENT will demonstrate and evaluate Inventys’ CO₂ Capture System and a selection of LafargeHolcim’s carbon utilization technologies at its Richmond cement plant in British Columbia. The project has three phases and is expected to be fully operational by the end of 2020. Subject to the pilot’s success, the vision is to scale up the project and explore how the facility can be replicated across other LafargeHolcim plants.

During the first phase the partners will work on purifying the cement flue gas in preparation for CO2 capture. The second phase will focus on the separation of CO2 from flue gas using a customised for cement version of Inventys’ carbon capture technology at pilot scale. As part of the final phase, the captured CO2 will be prepared for reuse and support the economical assessment and demonstration of CO2 conversion technologies onsite, such as CO2 injected concrete and fly ash.

Published in Global Cement News
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HeidelbergCement’s specific CO2 emissions continue to fall in 2018

24 July 2019

Germany: HeidelbergCement’s specific CO2 net emissions per tonne of cementitious material fell by 1.4% year-on-year to 599kg CO2/t in 2018 from 608kg CO2/t in 2017. Despite this its absolute gross CO2 emissions increased by 3% to 76.7Mt from 74.2Mt as clinker, cement, aggregate and concrete sales volumes all grew in 2018. The group has published the data in its Sustainability Report for the 2018 financial year.

“Cutting our CO2 emissions and handling natural resources considerately are priorities for all our business lines,” says Bernd Scheifele, chairman of the managing board of HeidelbergCement. "We focus primarily on the development of sustainable products and the implementation of concrete measures at plant level in order to achieve our sustainability goals.” The company has set itself the target of a 30% reduction in its specific net CO2 emissions per tonne of cement by 2030, compared with 1990. HeidelbergCement says it intends to realise its vision of CO2-neutral concrete by 2050 at the latest.

Other figures of note in the report include an alternative fuels substitution rate of 21.7% in 2018 compared in 20.8% in 2017. NOx, SOx and particulate matter emissions all fell. However, total water withdrawal rose by 8% to 65.4Mm3 from 60.4Mm3 although water consumption fell.

Published in Global Cement News
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European investors group calls on building materials companies to reduce CO2 emissions

22 July 2019

UK: The Institutional Investors Group on Climate Change (IIGCC) has called on European building materials companies to take steps to fight climate change or face commercial extinction. Recommended changes from its new ‘Investor Expectations of Companies in the Construction Materials Sector’ report have been sent to the heads of LafargeHolcim, HeidelbergCement, CRH and Saint-Gobain. The report informs investor engagement with other construction material firms on the initiative’s global list of 161 focus companies. Investment bodies in the group represent US$2Tn in assets, assets under management and under advice.

“The cement sector needs to dramatically reduce the contribution it makes to climate change. Delaying or avoiding this challenge is not an option. This is ultimately a business-critical issue for the sector,” said Stephanie Pfeifer, the chief executive officer (CEO) of the IIGCC. “Major economies such as the UK and France are increasingly adopting economy-wide net zero emission targets. The cement sector needs to get ahead of the profound transformation their sector faces by addressing barriers to decarbonisation in the short- to medium-term if companies are to secure their future.”

Key details set out in the ‘Investor Expectations’ report include becoming carbon neutral by 2050. Companies are expected to set short, medium and long-term science-based targets to reach this goal. Building material companies should be public policy transparent and advocate for the Paris Agreement, they should implement a ‘strong’ governance framework assigning specific responsibility for climate change to a board committee or board member and they should provide enhanced corporate disclosure in line with the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD).

The IIGCC recognised the steps HeidelbergCement in particular has taken in already having committed to meeting key aspects of the investor expectations it has outlined. CRH, LafargeHolcim and Saint-Gobain have been encouraged to follow suit, given the ‘significant’ role they play as European-based multinationals. The group also praised the ambitious targets set by India’s Dalmia Cement to become carbon negative by 2040.

Published in Global Cement News
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