甘包和蛋废物的环境,经济和社会影响,用于土壤稳定
Mariana Tonini de Araújo1, Suéllen Tonatto Ferrazzo1, Nilo Cesar Consoli2
1Graduate Program in Civil Engineering, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, 90035-190, Brazil.
Environmental science and pollution research international
|February 3, 2024
概括
这项研究比较了甘包灰和波特兰水泥的土壤稳定性. 活性粘合剂,特别是高密度/低粘合剂剂量,提供了最可持续的地质技术解决方案.
科学领域:
- 地质技术工程 地质技术工程
- 可持续材料科学科学 可持续材料科学
- 环境工程 环境工程
背景情况:
- 地质工程中的可持续性往往忽视了社会影响和整体评估.
- 为土壤稳定提供创新的替代方案需要全面的可持续性评估.
- 整合环境,经济和社会支柱对于地质工程项目至关重要.
研究的目的:
- 对两个土壤稳定替代方案进行全面的可持续性评估.
- 为地质技术应用整合环境,经济和社会支柱.
- 为了评估与波特兰水泥相比,甘包灰酸激活粘合剂.
主要方法:
- 两种土壤稳定结合剂的生命周期比较评估.
- 对每个替代方案的环境,经济和社会影响进行分析.
- 计算单个可持续性指数和单个综合指数.
主要成果:
- 活性结合剂在4/10的环境类别中显示出更高的影响,但二氧化碳排放量较低.
- 高密度/低粘合剂剂量提高了两种粘合剂的环境和经济可持续性.
- 活性粘合剂的初始成本较高,但由于CO2的减少,社会成本较低.
结论:
- 活性粘合剂,特别是高密度/低粘合剂剂量,是最可持续的土壤稳定策略.
- 整合所有三个可持续性支柱,可以发现结合剂之间的细微性能差异.
- 进一步研究活性结合剂的成本降低是有必要的.
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