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在废水能源处理工艺中,PFAS的发生率和质量流量

Sofie Björklund¹, Amanda Carlund², Eva Weidemann³

¹Department of Chemistry, Umeå University, SE-901 87 Umeå, Sweden; Industrial Doctoral School, Umeå University, SE-901 87 Umeå, Sweden.

Waste management (New York, N.Y.)

|September 26, 2024

概括

在废物转化能源工厂的内部工艺水处理 (PWT) 中,和多基物质 (PFAS) 没有得到有效的去除. 凝清洗器将PFAS转移到PWT中,阻碍了有效的清除.

科学领域:

环境化学环境化学
工业生态学工业生态学

背景情况:

和多醇基物质 (PFAS) 是各种消费品中发现的持久性有机污染物.
含有PFAS的废弃产品有助于它们在废物流中的存在.
废物转化能源 (WtE) 工厂处理废物,可能导致PFAS释放到环境中.

研究的目的:

调查废弃物能源 (WtE) 工厂的工艺水处理 (PWT) 系统中PFAS的命运.
确定PFAS从烟气处理到PWT的转移途径.
评估PWT在清除PFAS方面的效率.

主要方法:

在PWT的五个不同地点进行了为期五天的采样活动.
对11个目标PFAS化合物进行了分析.
在不同的工艺流中量化PFAS度和质量流量.

主要成果:

在PWT样本中检测到11个目标PFAS中的9个.
由于废燃料成分的波动,PFAS度每天有所变化.
凝清洗器显著地将PFAS从烟气转移到PWT,使其质量流速增加了六倍.
泡呈现出最高的平均PFAS度,但与处理过的水相比,质量流量较低.

结论:

目前WtE工厂的PWT配置在清除PFAS方面效率低下.
凝清洗器作为PFAS进入PWT的关键转移点.
对PWT的修改可能会提高PFAS清除能力.

关键词:

工业用水处理工业用水处理工业用水城市固体废物城市固体废物和多醇基物质是多和多的.垃圾焚烧废弃物焚烧的方法这就是为什么WtE.

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