Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, 117576, Singapore.
Centre for Water Research, Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, 117576, Singapore.
J Environ Manage. 2020 Apr 1;259:109649. doi: 10.1016/j.jenvman.2019.109649. Epub 2019 Dec 12.
In recent years, many studies have been conducted on using different filter media in bioretention systems for stormwater runoff treatment. This critical review paper provides a comprehensive review on the current state of water treatment residual (WTR), a recycled material that can be used as bioretention filter media for removals of key stormwater runoff pollutants (especially phosphorus) and future perspectives with innovative modification on WTR applied for pathogen removal from stormwater runoff. This review paper comprised (i) a brief summary of the reported WTR characteristics, (ii) a thorough evaluation of WTR performance on major pollutants removal from stormwater runoff (iii) a discussion on phosphorus removal mechanisms by WTR applied in the stormwater runoff treatment, and (iv) a review of the future perspectives of WTR for pathogen removal and other potential practical application in the field of stormwater treatment. As outlined in this review, WTR in stormwater runoff treatment has yet to be fully explored. The possible enhancements, especially metal surface modification on WTR are reviewed to bring about the widespread use of WTR in stormwater reuse practices.
近年来，许多研究都致力于在雨水处理的生物滞留系统中使用不同的过滤介质。本综述论文全面回顾了水培残留物（WTR）的现状，这是一种可回收材料，可用作生物滞留过滤介质，以去除关键雨水径流污染物（尤其是磷），并展望了创新改性 WTR 在去除雨水径流中病原体方面的未来前景。本综述论文包括：（i）WTR 特性的简要总结，（ii）WTR 对雨水径流中主要污染物去除的全面评估，（iii）WTR 在雨水处理中去除磷的机制的讨论，以及（iv）WTR 去除病原体的未来展望以及在雨水处理领域的其他潜在实际应用的综述。正如本综述所述，WTR 在雨水处理中的应用尚未得到充分探索。综述回顾了可能的增强措施，特别是 WTR 的金属表面改性，以推动 WTR 在雨水再利用实践中的广泛应用。
