Decarbonizing the Cement and Concrete Industries - Trends, Assessing Technologies, Challenges and Case Studies
Description
Decarbonizing the Cement and Concrete Industries - Trends, Assessing Technologies, Challenges and Case Studies
Summary
The cement industry is a significant global emitter, accounting for 8% of global emissions (the largest within the construction industry). To incentivize emission reductions, the sector has set bold net-zero targets. However, they remain far off track. Cement is a hard to abate sector due to the large global demand for new construction, particularly in rapidly urbanizing countries. Due to this requirement, it is essential the sector engages with a range of decarbonization technologies to tackle their resulting emissions. Decarbonization technologies include supplementary cementitious material, alternative fuels, carbon capture, utilisation, and storage, and green concrete, which are in varying stages of development and implementation. All face issues of cost, and some face raw material shortages. Cement production cannot be fully electrified. Instead, the sector will need to increase the proportion of alternative fuels used to replace coal and reduce carbon emissions. Carbon capture technology is now in early stages of being implemented at some plants, working to offset their overall emissions, while some electrifiable operations should use renewable energy. New technologies have been demonstrated to show ways of making concrete net carbon negative, which while still in the very early stages, could be vital in transforming the industry. Cost is currently prohibitive, but the technologies could be a valuable resource in achieving the ambitious but essential net zero targets.
While cement and concrete have historically been sectors that are well known for their ‘hard to abate’ emissions, the pressure to decarbonize is rising rapidly. This report assesses the sector’s current emissions footprint and its emissions reduction targets. It also explores the potential and limitations of the cement sector’s foremost decarbonization technologies: clinker substitution, alternative fuels, CCUS, and carbon negative concrete.
- Identify the market trends of energy transition technologies within the chemical industry
- Develop market insight into current rates of technology adoption in chemicals and the factors that will shape the sectors’ decarbonization.
- Identify the companies most active within CCUS, alternative fuels, alternative clinker, and carbon negative concrete in the chemical industry
- On average, the cement industry accounts for 8% of global greenhouse gas emissions, more than any country other than the US or China.
- The majority of CO2 emissions from cement come from the calcination process, where limestone is heated to produce calcium oxide
- Decarbonization costs will reduce as renewable energy scales up and becomes more affordable. However, retrofitting cement plants with carbon capture technology will remain expensive.
- Calcined clay emits 74% less CO2 than traditional clinker, so can significantly reduce the carbon footprint of cement.
- The EU Innovation Fund has endorsed 8 large scale CCUS projects within the cement industry. Most are currently in the grant preparation stage, with plans to become operational before 2030
- Companies such as Holcim and CEMEX already have some plants running on almost 100% alternative fuel, and CEMEX has reached a 70% alternative fuel rate across its European plants.
- Current carbon footprint of cement
- Cement industry net zero targets
- Top cement companies emission reduction targets
- Top four technologies for decarbonizing cement
- Challenges of decarbonization
- Leading companies decarbonizing cement
- CCUS outlook for cement
- Renewable and synthetic fuel outlook for cement
- Carbon negative concrete
- Identify the market trends of energy transition technologies within the chemical industry
- Develop market insight into current rates of technology adoption in chemicals and the factors that will shape the sectors’ decarbonization.
- Identify the companies most active within CCUS, alternative fuels, alternative clinker, and carbon negative concrete in the chemical industry
Table of Contents
28 Pages
- Executive Summary
- Cement and concrete carbon emissions
- Cement and concrete’s contribution to climate change
- Cement and concrete’s progress towards net-zero
- Introduction to decarbonization technologies
- Four key decarbonization technologies for cement and concrete
- Technologies by decarbonization potential and stage
- Advantages and disadvantages of decarbonization technologies
- Macroeconomic challenges that will pose a barrier to decarbonization
- Clinker factor in cement production
- Reducing clinker factor
- Alternative raw materials
- CCUS in cement and concrete production
- Global carbon capture capacity
- Case studies from the cement industry
- Appetite for investment
- Alternative fuels in cement production
- Alternative fuel production under a net-zero scenario
- Alternative fuel uptake by major players
- The possibility of carbon negative concrete
- Turning concrete into a carbon sink
- Turning cement into a carbon sink
- Contact Us
- List of Tables
- Targeting emissions reductions by company
- Decarbonization technologies for cement by stage and suitability
- Assessing decarbonization technologies
- Companies leading decarbonization in the cement industry
- Key takeaways
- List of Figures
- Origin of emissions from cement
- Direct emissions intensity of cement production in the net-zero scenario
- Global market share of cement industry by revenue
- Top four focus decarbonization technologies for cement and concrete
- Five macroeconom
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