技术提供了一个适合的替代品,以沙为基础的过介质在雨园设计
Dallas M Williams1, Briana M Wyatt1
1Department of Soil and Crop Sciences, Texas A&M University, College Station, Texas, USA.
概括
由于沙子稀缺,需要探索绿色基础设施的替代方案. 技术盐 (玻璃,页岩,) 能够有效地透和过雨水污染物,显示出作为雨园中的沙子可持续替代品的承诺.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 土木工程 土木工程是指土木工程.
背景情况:
- 沙子是绿色基础设施的关键组成部分,但其可持续性越来越不确定.
- 人们越来越需要替代材料,这些材料可以在雨水管理中发挥重要作用.
- 技术性材料为可持续发展的绿色基础设施开发提供了潜在的解决方案.
研究的目的:
- 评估Technosols (玻璃,页岩和贝) 作为雨水花园的替代材料的有效性.
- 与传统的沙子相比,评估技术盐的透和污染物过能力.
- 确定Technosols适用于管理雨水排水和化学污染物的适用性.
主要方法:
- 雨园实验是使用Technosols (玻璃,页岩,) 和沙子作为过介质进行的.
- 测量了每个材料的透率和和液压导电性.
- 从合成雨水中分析了各种化学污染物 (例如NH4-N,P,Cu,Pb,Zn) 的去除效率.
主要成果:
- 技术盐的透率与沙子相似,由于颗粒大小,和液压导电率显著更高.
- 所有的Technosols都有效地降低了大多数测试污染物的度,其中是值得注意的例外.
- 与沙子相比,页岩和贝显示出更好的铜和的去除能力,而玻璃也显示出明显的去除能力.
结论:
- 技术盐,特别是玻璃和,显示出作为绿色基础设施中的沙子可持续替代品的巨大潜力.
- 这些材料提供了与沙子相似的透能力,同时提高了关键化学污染物的去除能力.
- 对Technosols的进一步研究可以促进弹性和有效的雨水管理系统的开发.
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