从废物到土壤:用建筑和拆除废物制成的技术作为土地回收的基于自然的解决方案
Thayana Azevedo-Lopes1, Hermano Melo Queiroz2, Francisco Ruiz1
1University of São Paulo-Luiz de Queiroz College of Agriculture (USP-ESALQ), Soil Science Department, Av. Pádua Dias 11, CEP 13418-900, Piracicaba, SP, Brazil.
Waste management (New York, N.Y.)
|June 21, 2024
概括
建筑和拆除废物 (C&DW) 可以被设计成健康的Technosols. 这些土壤支持本地树木的生长,为土地回收和废物管理提供了可持续的解决方案.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 废物管理 废物管理
背景情况:
- 人口增长增加了对建筑材料的需求,产生了大量的建筑和拆除废物 (C&DW).
- 有效的废物管理策略包括减少,再利用和回收利用.
- 技术土壤,来自废物的工程土壤,显示了环境修复的潜力.
研究的目的:
- 调查C&DW制成的Technosols在土地回收方面的潜力.
- 为了评估两个本土的巴西树种 (Guazuma ulmifolia和Piptadenia gonoacantha) 在这些Technosols的生长.
- 使用土壤健康指数 (SHI) 评估Technosols的土壤质量.
主要方法:
- 技术盐使用C&DW创建,有或没有有机堆肥和生物肥料.
- 在Technosols中种植了两个巴西本土树种和一个控制Ferralsol.
- 使用SHI分析了土壤的物理,化学和生物指标.
主要成果:
- 与对照组相比,Guazuma ulmifolia在Technosols中的高度和生物量增加.
- 在所有治疗方法中,Piptadenia gonoacantha表现出类似的生长.
- 技术土壤的SHI (∼0.68) 比对照土壤 (∼0.38) 高,添加了提高肥力和有机碳的堆肥.
结论:
- C&DW可以转化为健康的Technosols,适合支持本地树木生长.
- 技术提供了一个有前途的基于自然的解决方案,用于土地回收和C&DW处置.
- 这种方法解决了废物管理的挑战,同时促进了生态恢复.
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