Performance of Permeable Pavement to Filter Stormwater Runoff for Non-Potable Uses in Buildings

IF 0.9 Q4 ENVIRONMENTAL SCIENCES
Liseane Padilha Thives, Enedir Ghisi, Gianfranco Longo, Gabriela Hammes, Thiago Belotto
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引用次数: 0

Abstract

Permeable pavement benefits, besides stormwater runoff reduction and groundwater recharge, include stormwater harvesting. As an alternative to water resources scarcity, stormwater that reaches a permeable pavement could be filtered by the same pavement and then used for non-potable purposes in buildings. This work aims to evaluate some types of permeable pavements regarding their performance to remove pollutants from stormwater and decrease runoff. Analyses of infiltration capacity and pollutant concentrations were performed in four permeable pavement models with different types of permeable surface layer (porous asphalt mixture and porous interlocked concrete blocks). Then, the data were used to calculate the “stormwater credits” according to the Minnesota Stormwater Manual. The credits were calculated for volume of runoff, and concentrations of Total Suspended Solids (TSS) and Total Phosphorus (TP). As a result, the models proved adequate to decrease both stormwater runoff and TSS and TP concentrations. Moreover, models with the porous asphalt mixture as a surface layer were more efficient to reduce the concentration of pollutants. However, for the models evaluated in this work, additional treatment is recommended when stormwater harvested from permeable pavements is meant for non-potable uses in buildings. Keywords: buildings, stormwater, credits, non-potable uses.
建筑物非饮用用途的雨水径流过滤透水路面的性能
透水路面的好处,除了减少雨水径流和地下水补给,还包括雨水收集。作为水资源短缺的一种替代方案,雨水到达透水路面后可以被同一路面过滤,然后用于建筑物的非饮用用途。这项工作旨在评估某些类型的透水路面在去除雨水污染物和减少径流方面的性能。采用不同透水面层类型(多孔沥青混合料和多孔互锁混凝土块)的4种透水路面模型,对其渗透能力和污染物浓度进行了分析。然后,根据明尼苏达雨水手册,这些数据被用来计算“雨水信用”。积分是根据径流量、总悬浮物(TSS)和总磷(TP)的浓度计算的。结果表明,这些模式足以减少雨水径流和TSS和TP浓度。此外,以多孔沥青混合料为表面层的模型更有效地降低了污染物的浓度。然而,对于本工作中评估的模型,当从透水路面收集的雨水用于建筑物的非饮用用途时,建议进行额外处理。关键词:建筑,雨水,信用,非饮用用途。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
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10.00%
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31
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