对中国城市固体废物焚烧飞灰的成分特征和处理技术的分析
Fangyuan Teng1, Ziyang Wang2, Ke Ren1
1School of Environmental Science and Engineering, Tianjin University, Tianjin, 300350, China.
Journal of environmental management
|April 5, 2024
概括
中国中国中国中国.
科学领域:
- 环境科学 环境科学
- 废物管理 废物管理
- 化学工程是化学工程的重要组成部分.
背景情况:
- 城市固体废物焚烧飞灰 (MSWI-FA) 在中国越来越令人担忧,产量在2022年达到780万.
- 焚烧是中国的主要MSW处理方法 (79.86%),导致大量的MSWI-FA生产.
- MSWI-FA含有重金属,可溶性盐和二氧化物等危险成分,需要有效管理.
研究的目的:
- 提供当前中国MSWI-FA治疗技术的全面概述.
- 分析热处理,固化/稳定和分离/提取方法的优缺点.
- 评估MSWI-FA在中国的工业应用,垃圾填埋处理和资源利用.
主要方法:
- 对MSWI-FA的热处理,固化/稳定和分离/提取技术的审查和比较.
- 分析工业应用和MSWI-FA处置和资源利用的标准要求.
- 在广东省和天津的MSW焚烧设施中处理飞的案例研究.
主要成果:
- 在MSWI-FA中,Zn和CaO分别是最丰富的金属和氧化物,Cl含量约为20%的重量.
- 尽管有各种治疗方法,但中国MSWI-FA目前的资源利用不足.
- 在MSWI-FA产量方面存在显著的区域差异,东部和东南沿海地区产量最大.
结论:
- 对MSWI-FA的有效管理和改进的资源利用战略对于中国的可持续废物管理至关重要.
- 需要进一步的研究和开发,以提高MSWI-FA处理和回收的效率和经济可行性.
- 政策和工业支持对于促进MSWI-FA更好的处置和资源利用至关重要.
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