Research on Multi-technology Coupling and Synergistic Emission Reduction Mechanisms in Carbon Capture and Resource Utilization Processes

Xinyue Tu

doi:10.54691/m4t5pn20

Authors

Xinyue Tu School of Guizhou University, Guiyang, China

DOI:

https://doi.org/10.54691/m4t5pn20

Keywords:

Carbon Capture, Utilization and Storage; Multi-technology Coupling; Synergistic Emission Reduction; Utilization of Carbon Dioxide; Cluster Deployment.

Abstract

Carbon Capture, Utilisation and Storage (CCUS) are technical routes for carbon neutrality. The five sections of the technical system in the "China Carbon Capture Utilization and Storage Technology Development Roadmap" for 2025 have been extended to include carbon capture, transport, use, storage and combined optimisation. Clusterisation and multi-technology integration have become the main directions for large-scale application. The following are the representative forms of multi-technology coupling discussed in this paper: integrated capture-conversion, cross-industry material and energy coupling, negative emission technology collaboration, and integration with renewable energy. The three kinds of cooperative emission reduction studied are source-sink matching, parameter coordination and system optimisation. Based on the analysis above, multiple-technology coupling can reduce energy consumption, expand the scope of application for carbon dioxide, and improve the economic efficiency of the entire chain. However, due to high costs, a lack of suitable source-sink areas and insufficient policy support, large-scale development has not been achieved. In the future, we will expand the cluster deployment, strengthen standards and policy systems, and move CCUS from an end-of-pipe mode to one based on resource utilisation and value creation.

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