Investigation into the Methodology and Implementation of Life Cycle Engineering under China's Carbon Reduction Target in the Process Industry

Mingyang Li , Feng Gao , Zuoren Nie , Boxue Sun , Yu Liu , Xianzheng Gong

Engineering ›› 2024, Vol. 40 ›› Issue (9) : 95 -107.

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Engineering ›› 2024, Vol. 40 ›› Issue (9) : 95 -107. DOI: 10.1016/j.eng.2023.08.025
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Investigation into the Methodology and Implementation of Life Cycle Engineering under China's Carbon Reduction Target in the Process Industry

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Abstract

The industrial sector is the primary source of carbon emissions in China. In pursuit of meeting its carbon reduction targets, China aims to promote resource consumption sustainability, reduce energy consumption, and achieve carbon neutrality within its processing industries. An effective strategy to promote energy savings and carbon reduction throughout the life cycle of materials is by applying life cycle engineering technology. This strategy aims to attain an optimal solution for material performance, resource consumption, and environmental impact. In this study, five types of technologies were considered: raw material replacement, process reengineering, fuel replacement, energy recycling and reutilization, and material recycling and reutilization. The meaning, methodology, and development status of life cycle engineering technology abroad and domestically are discussed in detail. A multidimensional analysis of ecological design was conducted from the perspectives of resource and energy consumption, carbon emissions, product performance, and recycling of secondary resources in a manufacturing process. This coupled with an integrated method to analyze carbon emissions in the entire life cycle of a material process industry was applied to the nonferrous industry, as an example. The results provide effective ideas and solutions for achieving low or zero carbon emission production in the Chinese industry as recycled aluminum and primary aluminum based on advanced technologies had reduced resource consumption and emissions as compared to primary aluminum production.

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Carbon neutrality / Life cycle engineering / Process Industry / Carbon reduction technology / Eco-design

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Mingyang Li, Feng Gao, Zuoren Nie, Boxue Sun, Yu Liu, Xianzheng Gong. Investigation into the Methodology and Implementation of Life Cycle Engineering under China's Carbon Reduction Target in the Process Industry. Engineering, 2024, 40(9): 95-107 DOI:10.1016/j.eng.2023.08.025

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