EVALUATION OF ENVIRONMENTAL AND ECONOMIC POTENTIAL OF COMPOSITE CEMENT MADE OF MUNICIPAL CONSTRUCTION AND DEMOLITION WASTE

JIN Yu; ZHENG Dapeng; WANG Yaocheng; DONG Zhijun

doi:10.13205/j.hjgc.202404026

Volume 42 Issue 4

Apr. 2024

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(4): 225-232

JIN Yu, ZHENG Dapeng, WANG Yaocheng, DONG Zhijun. EVALUATION OF ENVIRONMENTAL AND ECONOMIC POTENTIAL OF COMPOSITE CEMENT MADE OF MUNICIPAL CONSTRUCTION AND DEMOLITION WASTE[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 225-232. doi: 10.13205/j.hjgc.202404026

Citation:

JIN Yu, ZHENG Dapeng, WANG Yaocheng, DONG Zhijun. EVALUATION OF ENVIRONMENTAL AND ECONOMIC POTENTIAL OF COMPOSITE CEMENT MADE OF MUNICIPAL CONSTRUCTION AND DEMOLITION WASTE[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 225-232. doi: 10.13205/j.hjgc.202404026

Citation:

JIN Yu, ZHENG Dapeng, WANG Yaocheng, DONG Zhijun. EVALUATION OF ENVIRONMENTAL AND ECONOMIC POTENTIAL OF COMPOSITE CEMENT MADE OF MUNICIPAL CONSTRUCTION AND DEMOLITION WASTE[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(4): 225-232. doi: 10.13205/j.hjgc.202404026

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EVALUATION OF ENVIRONMENTAL AND ECONOMIC POTENTIAL OF COMPOSITE CEMENT MADE OF MUNICIPAL CONSTRUCTION AND DEMOLITION WASTE

doi: 10.13205/j.hjgc.202404026

1. Shenzhen Institute of Information Technology,Shenzhen 518172, China;
2. Shenzhen University,Shenzhen 518060, China

Received Date: 2023-04-17
Available Online: 2024-06-01

Abstract

Abstract

The cement industry, as a key industry for greenhouse gas emissions, is under enormous pressure to reduce CO₂ emissions. Limestone calcined clay cement developed in recent years is a highly promising low-carbon cement, and its raw materials, clay and limestone has a similar composition to excavated clay and recycled concrete fines in construction and demolition waste. Using the life cycle assessment (LCA) method as a basic framework, this paper evaluated the environmental and economic potential of a composite cement made of the abovementioned construction and demolition waste by creating an inventory analysis of the products. The results showed that the construction and demolition waste composite cement (C³) can reduce CO₂ emissions by more than 24%, compared to the existing cement products, and production costs can be cut down by at least 19%. The future inclusion of the cement industry in the carbon emission trading market will further widen the cost gap between C³ and the existing cement products.
- excavated clay,
- recycled concrete fines,
- carbon capture utilization and sequestration,
- low carbon cement,
- life cycle assessment

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References(38)

References

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