State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
Ecotoxicol Environ Saf. 2024 Jan 15;270:115913. doi: 10.1016/j.ecoenv.2023.115913. Epub 2024 Jan 9.
Waste-to-energy (WtE) technology is at the forefront of low-carbon municipal solid waste (MSW) treatment. MSW has been favoured by researchers in recent years due to its high potential to dispose of resources with WtE technology, which contributes to the carbon neutrality goal. However, there is a lack of research that integrates MSW WtE treatment from a global perspective and explores its future direction. Bibliometric methods are widely used because of their advantages in qualitative and quantitative literature information analysis. A comprehensive search was conducted in the Web of Science (WOS) Core Collection database, covering the period from 1990-2022, resulting in the collection of 702 articles. Subsequently, bibliometric software such as CiteSpace, VOSviewer, and Bibliometrix, were jointly employed for co-occurrence, co-citation, and cluster analyses, providing an in-depth qualitative and quantitative analysis of the research hotspots and development trends of WtE technology for MSW treatment. The research findings indicate a rapid growth in studies on carbon emission reduction through WtE technology for MSW treatment since 2015, with these related articles accounting for 50% of articles. Globally, China, the United States, Italy, and other countries were active research regions, with Chinese research institutions making the largest contributions. However, contributions from developing countries are limited. Furthermore, this study systematically elaborates on the research hotspots in this field. Finally, this study identified some frontier research hotspots and directions. Research on WtE technology primarily focuses on technological methods and policy management, particularly from the carbon neutrality perspective, emphasis WtE technology sustainability in reducing carbon emissions and achieving carbon neutrality goals. Promoting the use of assisted decision-making models in the MSW management process, and focusing on the conversion of food waste into valuable energy. It is hoped that these research directions will provide new ideas for the balanced and rapid development of WtE technology.
废物能源化（WtE）技术是低碳处理城市固体废物（MSW）的前沿技术。近年来，由于 WtE 技术具有处理资源的巨大潜力，有助于实现碳中和目标，MSW 受到了研究人员的青睐。然而，从全球角度综合研究 MSW WtE 处理并探索其未来方向的研究还比较缺乏。由于在定性和定量文献信息分析方面具有优势，因此广泛使用了文献计量学方法。在 Web of Science（WOS）核心合集数据库中进行了全面搜索，涵盖了 1990 年至 2022 年的时间段，共收集到 702 篇文章。随后，使用 CiteSpace、VOSviewer 和 Bibliometrix 等文献计量学软件对共现、共被引和聚类进行了联合分析，对 MSW 处理 WtE 技术的研究热点和发展趋势进行了深入的定性和定量分析。研究结果表明，自 2015 年以来，通过 WtE 技术处理 MSW 减少碳排放的研究迅速增长，相关文章占比 50%。在全球范围内，中国、美国、意大利等国家是活跃的研究区域，中国的研究机构做出了最大的贡献。然而，发展中国家的贡献有限。此外，本研究系统阐述了该领域的研究热点。最后，本研究确定了一些前沿研究热点和方向。WtE 技术的研究主要集中在技术方法和政策管理方面，特别是从碳中和的角度出发，强调 WtE 技术在减少碳排放和实现碳中和目标方面的可持续性。在 MSW 管理过程中推广使用辅助决策模型，并专注于将食物垃圾转化为有价值的能源。希望这些研究方向能为 WtE 技术的平衡和快速发展提供新的思路。
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