固废基瓷化骨料全生命周期碳排放核算和碳减排分析

doi:10.3976/j.issn.1002-4026.2025071

Abstract

Abstract: Low-carbon resource recovery technologies for solid waste are one of the key pathways for attaining China’s carbon neutrality agenda. A lifecycle carbon emission assessment model for aggregates was constructed for comparative analysis, and sensitivity and scenario analyses were conducted to identify key factors influencing carbon reduction. Results show that the lifecycle carbon emissions of clay-based aggregates and solid-waste-based porcelain aggregates are 313.70 and 291.19 kg/t, respectively, with the production stage contributing the largest proportions (84.59% and 85.08%,respectively). The carbon emission factors of transportation and raw material consumption are the main factors influencing the lifecycle carbon emissions of aggregates. In the future, the solid-waste-based porcelain aggregate industry can achieve carbon reduction through the following three measures: replacing diesel heavy trucks with electric heavy trucks, increasing the blending ratio of industrial solid wastes such as red mud, and optimizing the grid power. These integrated solutions provide a systematic framework for carbon reduction in the recycled aggregate industry while advancing circular economy objectives.

CLC Number:

XIN Gongfeng, LI Xuan, Yang Yanfeng, MA Yichuan, JI Xiaoge, FEI Xiaoqin, SHAO Yingying. Lifecycle carbon emission assessment and carbon emission reduction analysis of solid-waste-based porcelain aggregates[J].Shandong Science, 0, (): 1-.

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Lifecycle carbon emission assessment and carbon emission reduction analysis of solid-waste-based porcelain aggregates

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