城市固体废物焚烧飞灰中的重金属的固化/稳定和风险评估:一项审查
Ze Zhang1, Chutong Zhao1, Yi Rao2
1School of Energy and Environmental Engineer, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing 100083, China.
The Science of the total environment
|May 31, 2023
概括
城市固体废物焚烧飞灰 (MSWI FA) 由于重金属而带来风险. 本综述详细介绍了影响HM漏的因素,并比较了固化/稳定技术,强调了当前更安全的废物管理的局限性.
科学领域:
- 环境科学 环境科学
- 废物管理 废物管理
- 毒理学 毒理学 毒理学
背景情况:
- 城市固体废物焚烧飞灰 (MSWI FA) 是由于高度有毒重金属 (HM) 的危险废物.
- 有效的排毒和MSWI FA的管理对于减轻环境风险至关重要.
- 目前的治疗方法需要进一步研究长期疗效.
研究的目的:
- 审查影响MSWI FA重金属漏的因素.
- 为了比较和总结MSWI FA的各种固化/稳定 (S/S) 技术.
- 详细介绍环境风险评估模型,并确定当前S/S方法的局限性.
主要方法:
- 关于灰属性,pH值,液体固体比,微生物和影响HM移动性的浸出剂的文献综述.
- 对广泛应用的固化/稳定 (S/S) 技术进行比较分析.
- 对高压机的环境风险评估和预测模型的分类和描述.
主要成果:
- 影响MSWI FA重金属漏的关键因素包括灰性质,pH值,液体固体比率和漏剂.
- 存在各种S/S技术,每个都有特定的优点和缺点来固定HMs.
- 现有的风险评估模型为预测环境影响提供了框架,但它们对经过处理的MSWI FA的应用需要改进.
结论:
- 目前MSWI FA的S/S技术存在不足,需要进一步的研究和开发.
- 需要改进风险评估和预测方法来评估经过处理的MSWI FA的长期环境安全性.
- 解决这些局限性对于推进可持续的危险废物管理战略至关重要.
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