医院废物焚烧炉灰:特点,处理技术和应用 (一篇评论)
Nuseibah Abd Alhameed El-Amaireh1, Habis Al-Zoubi2, Omar Ali Al-Khashman3
1Department of Chemical Engineering, College of Engineering, Al-Hussein Bin Talal University, Ma'an 71111, Jordan
Journal of water and health
|November 29, 2023
概括
在焚烧过程中产生的医疗废物灰中含有有毒的重金属和二氧化. 审查了各种处理方法,以及在建筑和农业的潜在应用.
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:
- 随着COVID-19大流行,医疗废物产生显著增加.
- 焚烧是一种初级处理方法,产生医疗废物底灰 (MWBA) 和医疗废物飞灰 (MWFA).
- 这些灰含有危险物质,如重金属,PCDD和PCDF.
研究的目的:
- 审查MWBA和MWFA的物理和化学特性.
- 评估医疗废物灰的毒性和可泄漏性.
- 探索医疗废物灰的各种处理方法和潜在应用.
主要方法:
- 对医疗废物灰的物理和化学性质的文献综述.
- 来自TCLP和EN 12457试验的毒性和可泄漏性数据的分析.
- 化学,超临界流体,基于水泥,化,微波和机械化学处理技术的审查.
- 检查在水泥生产,农业和道路建设中的潜在应用.
主要成果:
- 医疗废物灰中含有高水平的PCDD,PCDF和重金属.
- 在毒性特征漏程序 (TCLP) 和EN 12457测试中,灰显示出显著的漏能力.
- 鉴定了处理方法的缺陷,包括排放,有限的工业可扩展性,未经证实的长期稳定性和高能耗.
结论:
- 由于其有毒成分和可泄漏性,医疗废物灰带来环境风险.
- 现有几种治疗方法,但每个方法都有局限性,需要进一步研究.
- 强调了医疗废物灰在建筑和农业中的潜在有益的再利用.
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