序言评价土用于减轻城市热岛效应和雨水污染
Md Shafiquzzaman1, Borhan Uddin2
1Department of Civil Engineering, College of Engineering, Qassim University, Buraidah, 51452, Saudi Arabia. M.UzzaMan@qu.edu.sa.
Scientific reports
|July 2, 2025
概括
透气粘土 (PCB) 为城市挑战提供了双重解决方案,减少城市热岛效应和净化雨水. 这些可持续有效降低温度,并去除悬浮固体和重金属等污染物.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 城市规划 城市规划
背景情况:
- 城市热岛 (UHI) 效应和雨水污染在城市地区带来了重大环境挑战.
- 透粘土 (PCB) 是一个潜在的可持续解决方案,用于减轻UHI和改善雨水质量.
- 现有研究对PCB在热调节和污染物去除方面的双重功能存在知识差距.
研究的目的:
- 评估PCB在减少UHI影响方面的有效性.
- 评估PCB在通过去除污染物来增强雨水处理的能力.
- 为深入了解用于可持续城市设计的PCB做出贡献.
主要方法:
- 使用当地的粘土土和来自沙特阿拉伯的粉制造的多孔PCB.
- 在自然条件下进行热吸收测试,将PCB与传统混凝土进行比较.
- 进行了实验室规模的过试验,以评估从雨水中去除污染物的情况.
主要成果:
- 含有10%粉的PCB符合铺路所需的强度和密度标准.
- 与混凝土相比,PCB表现出优越的热性能,将近表面温度降低了1.22.2°C.
- PCB有效地去除了99%以上的悬浮固体,超过65%的COD/BOD,30%的TN/TP和56-100%的金属污染物.
结论:
- 聚乙烯为城市环境提供双重功能解决方案,减轻UHI影响并改善雨水质量.
- 制造的PCB表现出有希望的热效率和污染物去除能力.
- 聚乙烯 (PCB) 是现代城市发展和基础设施的可持续材料.
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