中国流程工业碳减排目标下的生命周期工程方法与实施探究

IF 10.1 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Engineering Pub Date : 2024-09-01 DOI:10.1016/j.eng.2023.08.025
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引用次数: 0

摘要

工业部门是中国碳排放的主要来源。为实现碳减排目标,中国致力于促进资源消耗的可持续性,降低能耗,实现加工工业的碳中和。在材料的整个生命周期中促进节能减碳的有效战略是应用生命周期工程技术。这一战略旨在实现材料性能、资源消耗和环境影响的最佳解决方案。本研究考虑了五类技术:原材料替代、流程再造、燃料替代、能源回收和再利用以及材料回收和再利用。详细讨论了生命周期工程技术的含义、方法和国内外的发展现状。从生产过程中的资源和能源消耗、碳排放、产品性能、二次资源回收利用等角度,对生态设计进行了多维分析。以有色金属工业为例,结合综合方法分析了材料加工工业整个生命周期的碳排放情况。结果为中国工业实现低碳或零碳排放生产提供了有效的思路和解决方案,因为与原铝生产相比,基于先进技术的再生铝和原铝减少了资源消耗和排放。
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Investigation into the Methodology and Implementation of Life Cycle Engineering under China's Carbon Reduction Target in the Process Industry

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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来源期刊
Engineering
Engineering Environmental Science-Environmental Engineering
自引率
1.60%
发文量
335
审稿时长
35 days
期刊介绍: Engineering, an international open-access journal initiated by the Chinese Academy of Engineering (CAE) in 2015, serves as a distinguished platform for disseminating cutting-edge advancements in engineering R&D, sharing major research outputs, and highlighting key achievements worldwide. The journal's objectives encompass reporting progress in engineering science, fostering discussions on hot topics, addressing areas of interest, challenges, and prospects in engineering development, while considering human and environmental well-being and ethics in engineering. It aims to inspire breakthroughs and innovations with profound economic and social significance, propelling them to advanced international standards and transforming them into a new productive force. Ultimately, this endeavor seeks to bring about positive changes globally, benefit humanity, and shape a new future.
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