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对于PFAS处理应用程序的支出媒体管理途径.

Alison L Ling1, Tiffany Stegner2, Margaret Thompson3

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概括
此摘要是机器生成的。

在水中管理和多基物质 (PFAS) 需要有效的处理. 再生颗粒状活性炭 (GAC) 和离子交换树脂 (AER) 介质可以降低成本和能源消耗,而不是单次使用的选项.

关键词:
离子交换树脂 (AER) 是一种离子交换树脂.新兴污染物新出现的污染物颗粒状活性炭 (GAC) 是一种活性炭.工业预处理 工业预处理每种和多种醇基物质 (PFAS)花费的媒体花费的媒体.

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科学领域:

  • 环境科学 环境科学
  • 水处理技术水处理技术
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 越来越多的监管压力需要在各个部门从水中有效地去除化物和多化物 (PFAS).
  • 吸附介质,主要是颗粒状活性炭 (GAC) 和离子交换树脂 (AER),越来越多地用于从饮用水中分离PFAS.
  • 消费吸附媒介带来下游管理挑战,包括大量的运营成本和监管不确定性.

研究的目的:

  • 评估处理水处理中含有PFAS的废弃介质的管理策略.
  • 评估不同消耗媒体处理方法的经济和能源影响.
  • 探索GAC和AER的再生技术的潜力.

主要方法:

  • 对现有和新兴的废弃介质管理技术的审查,包括焚烧,GAC活性化和超临界水氧化 (SCWO).
  • 对GAC和AER的现场和场外再生过程的分析.
  • 复原策略与一次性媒体采购和处置的比较.

主要成果:

  • GAC和AER都产生了充满PFAS的消耗介质,需要仔细的下游管理.
  • 焚烧,GAC重新激活和SCWO是现有或新兴的废弃介质处置选择.
  • AER和GAC的现场再生,以及GAC的场外重新激活,显示了降低运营成本和能源消耗的潜力.

结论:

  • 使用过的GAC和AER介质的再生提供了一个可行的途径,以减轻与PFAS水处理相关的经济和环境负担.
  • 与传统的一次性媒体处置相比,实施再生过程可以大幅降低运营成本和能源需求.
  • 进一步开发和采用再生技术对于在水处理应用中可持续的PFAS管理至关重要.