Cement News tagged under: CO2 emissions

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Cemex sets aggressive new 2030 carbon emission targets

25 June 2021, Published under Cement News

Cemex has set a more aggressive carbon reduction target of below 475kg of CO 2 per tonne of clinker produced, approximately a 40 per cent reduction in CO 2 emissions by 2030. The new target is below the two degree global warming scenario of the Science Based Targets Initiative (SBTi). Cemex is also planning to set a new target of 520kg of CO 2 /t of clinker produced by 2025, equivalent of a 35 per cent emission reduction. The company is also reducing CO 2 emissions from its concrete bu...

Republic Cement launches AI tool to optimise raw mix

24 May 2021, Published under Cement News

Philippines-based Republic Cement is rolling out a new AI tool to all its cement plants to reduce its CO 2 emissions and produce a stronger cement. The tool will optimise concentrations of raw ingredients in the cement mix by harnessing complex algorithms to save time and resources in its Bulacan and Batangas works as well as running the software as a pilot in its Teresa works in Rizal. “Our next step is to deploy this in all sites by the end of the year,” said Republic Cement’s Vice Pres...

The industry’s response to the decarbonisation challenge

05 May 2021, Published under Cement News

Dr Michael Clark discusses the cement sector’s response and strategies in terms of the large-scale challenges involved with decarbonisation. LafargeHolcim’s Richmond plant in Canada, where it launched Project CO 2 MENT In last month’s Technical Forum we discussed the new CemNet online training material regarding the decarbonisation of cement manufacturing. This month we will turn our attention to the industry’s response to that challenge. There is no doubt that the world’s ma...

Alkali-activated materials

16 March 2021, Published under Cement News

While blastfurnace slag and metakaolin are known to produce a binder phase following alkali activation, the range of alkali-activated materials is wider than these two materials. This month Arthur Harrisson provides an overview of low-and high-calcium precursors that are subjected to alkali activation to produce binders. Figure 1: fly ash, a low-calcium AAM precursor Materials that arise as waste or a by-product from industrial processes other than Portland cement manufacture ha...

Lehigh Hanson partners with Fortera to reduce carbon emissions

15 March 2021, Published under Cement News

North America's Lehigh Hanson (HeidelbergCement) and Fortera Inc have announced a collaboration project to reduce emissions from Portland cement production. The two companies will work together to construct and operate a small commercial plant at Lehigh's cement facility in northern California. The plant will capture CO 2 from the kiln exhaust and convert it into a cementitious material. This can then be blended with Portland cement and used by ready-mix concrete producers as an SCM or us...

Cemex makes key EMEAA investments at the start of 2021

23 February 2021, Published under Cement News

Cemex has started 2021 by investing for growth and its climate action strategy in Europe, Middle East and Africa (EMEAA). It has made seven bolt-on investments that are aligned to its key priorities of climate action, sustainable construction and EBITDA growth, representing advances in fossil fuel reduction, lower-CO 2 products, circular economy, recycling and products that demonstrate life cycle CO 2 and energy consumption advantages for buildings. The investments include a new, low...

From WHRPG to EfW

09 November 2020, Published under Cement News

As cement plants search for ways to reduce their carbon footprint, waste heat recovery power generation (WHRPG) systems are becoming more popular. The use of biomass also provides potential as an energy-from-waste (EfW) solution to produce electrical power. Developments in WHRPG and biomass/EfW power generation systems are discussed below, including new technologies for energy saving and environmental load reduction. By Kawasaki Heavy Industries Ltd, Japan. Figure 1: flow of a waste h...

The GCCA participates in UN Secretary-General's Climate Action roundtable

25 September 2020, Published under Cement News

The Global Cement and Concrete Association (GCCA)  participated in the UN Secretary-General’s high-level roundtable on climate action, joining world leaders as a part of the 75 th session of the UN General Assembly. As the climate crisis continues to impact on the world, UN Secretary-General António Guterres has convened a roundtable of around 20 global leaders from government, business and finance and civil society, to discuss the bold climate actions they are taking and their ambit...

Cement sector pushes up Vietnam's CO2 emissions forecast for 2030

15 September 2020, Published under Cement News

Vietnam has submitted its forecast for CO 2 emissions by 2030 to the United Nations and has factored in the cement sector for the first time. Under the new plan the country only expects to cut its greenhouse gas emissions growth by nine per cent or nearly 84Mt of CO 2 by 2030 compared to its projections using 2014 as a baseline. Emissions are still expected to grow by 844Mt of CO 2 during that time. Vietnam is expanding the scope of the country’s climate plan to include emissions from in...

Elemental analysis to reduce cement’s carbon footprint

08 September 2020, Published under Cement News

Despite increasing market demand for cement in recent decades, the cement industry is required to reduce its carbon footprint. Elemental analysis can make a key contribution to this drive to lower CO 2 emissions from cement plants worldwide. By Ivo Nemetz, Elementar, Germany. The cement industry is facing the challenge of reducing its CO 2 emissions despite the need for increased cement production As the global cement industry moves forward as a 21st-century enterprise, it ...