在多模块生物炭过器 (MmBF) 中去除药物活性化合物,用于污水池后处理
Makoto Shigei1, Bahare Esfahani2, Frank Persson3
1Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala 752 36, Sweden
概括
一个新的多模块生物炭过器 (MmBF) 系统有效地清除了废水中99%以上的药用活性化合物 (PhAC). 这种生物炭过器显示出增强现场废水处理系统 (OWTS) 的前景.
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:
- 药用活性化合物 (PhAC) 是废水中发现的持续性环境污染物.
- 现场废水处理系统 (OWTS) 在清除PhAC方面往往表现出有限的有效性.
- 与PhACs相关的生态风险需要先进的处理解决方案.
研究的目的:
- 评估多模块生物炭过器 (MmBF) 系统在城市废水中去除PhAC的效率.
- 评估MMBF系统中的单个模块对整体PhAC清除的贡献.
- 确定基于生物炭的系统作为OWTS的可持续二次处理的潜力.
主要方法:
- 两个并行的MmBF系统,每个都有六个连续的生物炭填充模块,与市政废水一起运行了一年多.
- 废水样本从每个模块的入水和废水中收集,用于分析.
- 量化了25个检测到的PhACs在各种药物类别的去除效率.
主要成果:
- 在多个采样事件中,MMBF系统始终实现了超过99%的聚合PhACs去除.
- 第一个有氧模块 (M1) 负责超过92%的总PhAC去除.
- 有氧模块 (M1-M3) 总体上去除了超过98%的PhAC,而无氧模块 (M4-M5) 显示出特定化合物的无氧降解潜力.
结论:
- 多模块生物炭过系统在从废水中去除广泛的PhACs方面表现出高效.
- 生物炭过器代表了一种可持续和有效的二次处理选项,用于提高OWTS的性能.
- 毫米BF系统的设计,特别是最初的有氧模块,对于最大限度地提高PhAC去除效率至关重要.
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