A review of alternative approaches to the reduction of CO2 emissions associated with the manufacture of the binder phase in concrete
By E. Gartner, H. Hirao. 2015
548 citations recorded by the source corpus.
Abstract In this review we discuss a wide range of alternative approaches to the reduction of CO 2 emissions associated with the manufacture of the binder phase in concrete. They are classified broadly as follows: (1) Use alternative fuels and/or alternative raw materials in the manufacture of Portland-based cements. (2) Replace Portland clinker with “low-carbon” supplementary cementitious materials (SCMs) in concrete. (3) Develop alternative low-carbon binders not based on Portland clinkers. The first approach mainly represents incremental improvements that can be achieved fairly easily and cheaply as long as suitable raw materials can be found. The second approach ranges from incremental improvements, if low levels of SCM substitution are used, all the way to major innovations for binders with very high Portland clinker replacement levels. The third approach is the most risky but also holds the greatest promise for truly significant CO 2 reductions if it can be implemented on a large scale.
Subfields: Building and Construction, Civil and Structural Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/970a96f4c2949ae4886920db080619db0ce126da
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In Building and Construction
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Citations in the corpus
- One-part alkali-activated materials : a review (2018, background): “Consequently, the development of alternative low‐carbon binders is recognized as one option to reduce CO2 emissions [5,6].”
- Assessing, Understanding and Unlocking Supplementary Cementitious Materials (2016, background): “carbon from coal combustion fly ashes is possible by triboelectrostatic treatments [11], while pre-hydration/washing and carbonation are common ways to reduce free lime, chloride and metal leaching of MSWI bottom ashes [39, 40].”
- Recent Progress in Green Cement Technology Utilizing Low-Carbon Emission Fuels and Raw Materials: A Review (2019, background): “Still, the key unresolved issue is to manufacture magnesium oxide from natural magnesium silicates rocks in an energy efficient way feasible to produce on industrial scale [113].”