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在来源分类后,焚烧厂在城市固体废物处理中碳排放中的作用转化
1Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.
Environmental science & technology
|March 10, 2026
概括
减少城市固体废物焚烧中的塑料是减少城市碳排放的关键. 包括减少废物和提高效率在内的综合战略可以将工厂转变为碳汇.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 城市规划 城市规划
背景情况:
- 焚烧厂对城市碳排放有很大贡献.
- 城市固体废物分类给废物转化能源厂带来了挑战和机遇.
研究的目的:
- 分析城市固体废物焚烧产生的碳排放路径.
- 为焚烧厂推出量化减排策略.
主要方法:
- 监测深的九个焚烧厂 (2018-2022年).
- 使用蒙特卡洛模拟进行灵敏度分析.
- 构建响应表面模型用于排放路径导出.
主要成果:
- 塑料焚烧的比例达到27.6%,增加了直接排放和碳信用.
- 减少1%的塑料焚烧减少了大约17.38公斤CO2eq/t的排放量.
- 由于协同效应,最佳塑料含量应低于34%.
结论:
- 单一的干预措施具有有限的缓解潜力.
- 一个综合性场景,结合效率,减少废物和回收利用,可以实现净负排放.
- 系统性转型需要协调,多利益相关方的行动,以实现碳汇转型.
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