成渝地区城市固体废物资源化处理效率的测算与耦合分析

IF 3.5 3区 工程技术 Q3 ENERGY & FUELS Energy Science & Engineering Pub Date : 2024-09-27 DOI:10.1002/ese3.1910
Xianning Wang, Huiyan Zhou, Juan Liu
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引用次数: 0

摘要

城市固体废弃物(MSW)对碳循环、居民生活和绿色循环经济发展至关重要,但定量研究在效率和区域协同方面存在局限性。本研究结合成渝两地的区域特点,建立了成渝地区 16 个城市城市生活垃圾处理投入产出指标体系,构建了数据包络分析模型和耦合协调度模型,对 2012-2021 年城市生活垃圾资源化处理效率和环境效益进行了深入研究。研究结论如下:第一,可通过合理的政策措施提高城市生活垃圾处理效率,促进城市可持续发展,提高社会经济效益。16 个城市的城市生活垃圾处理投入和产出水平均呈上升趋势。第二,16 个城市生活垃圾处理系统的平均纯技术效率(重庆 0.9879、成都 0.9805)、平均规模效率(南充 0.9396)、平均综合效率(南充 0.9148)均较好,但整体综合效率有待提高。第三,2021 年,成都生态环境效益优于重庆,而重庆存在一定程度的投入冗余和产出不足。第四,从 2012 年至 2021 年成渝两地资源处理效率与环境改善效益的耦合分析来看,成都资源处理与环境改善的协调性落后于重庆,但总体上耦合度在提高。最后,分别从前端、中端和后端提出了提高城市生活垃圾资源化处理效率和促进环境改善的建议,为城市管理者的决策提供参考。
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Measurement and coupling analysis of the efficiency of resource-based treatment of municipal solid waste in Chengdu–Chongqing area

Municipal solid waste (MSW) is crucial for carbon cycle, residents' lives, and green circular economy development, but quantitative research is limited in efficiency and regional synergy. Considering the regional characteristics of Chengdu and Chongqing, this study establishes the input–output indicator system of MSW treatment in 16 cities in the Chengdu–Chongqing area, constructs the Data Envelopment Analysis model and the coupling coordination degree model, and makes an in-depth study on the efficiency and environmental benefits of MSW resource treatment from 2012 to 2021. The research conclusion is as follows: first, the improvement of MSW treatment efficiency can be enhanced through reasonable policies and measures to promote sustainable urban development and socioeconomic benefits. The input and output levels of MSW treatment in 16 cities all show an upward trend. Second, the 16 MSW treatment systems have good average pure technical efficiency (Chongqing 0.9879, Chengdu 0.9805), average scale efficiency (Nanchong 0.9396), and average comprehensive efficiency (Nanchong 0.9148), but the overall comprehensive efficiency needs improvement. Third, in 2021, Chengdu's ecological and environmental benefits are better than Chongqing's, while Chongqing has a certain degree of input redundancy and output deficiency. Fourth, in the coupling analysis of resource treatment efficiency and environmental improvement benefits in Chengdu and Chongqing between 2012 and 2021, the coordination between resource treatment and environmental improvement in Chengdu lags behind that in Chongqing, but overall, the coupling is improving. Finally, suggestions for improving the efficiency of MSW resource treatment and promoting environmental improvement are presented from the front, middle, and back ends, respectively, to provide a reference for the policy-making of city managers.

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来源期刊
Energy Science & Engineering
Energy Science & Engineering Engineering-Safety, Risk, Reliability and Quality
CiteScore
6.80
自引率
7.90%
发文量
298
审稿时长
11 weeks
期刊介绍: Energy Science & Engineering is a peer reviewed, open access journal dedicated to fundamental and applied research on energy and supply and use. Published as a co-operative venture of Wiley and SCI (Society of Chemical Industry), the journal offers authors a fast route to publication and the ability to share their research with the widest possible audience of scientists, professionals and other interested people across the globe. Securing an affordable and low carbon energy supply is a critical challenge of the 21st century and the solutions will require collaboration between scientists and engineers worldwide. This new journal aims to facilitate collaboration and spark innovation in energy research and development. Due to the importance of this topic to society and economic development the journal will give priority to quality research papers that are accessible to a broad readership and discuss sustainable, state-of-the art approaches to shaping the future of energy. This multidisciplinary journal will appeal to all researchers and professionals working in any area of energy in academia, industry or government, including scientists, engineers, consultants, policy-makers, government officials, economists and corporate organisations.
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