Reusing Non-Hazardous Industrial Waste in the U.S.: A Geo-Specific Estimate of Quantities and Benefits

1706097(有理)。无害工业废物（NHIW），如高炉炉渣、食品加工废物和木浆渣，产生于生产过程中，这些次级副产品材料在大多数情况下可以作为主要原料的有形替代品。生命周期研究表明，非hiw再利用是保护自然资源和实现大幅度减少温室气体排放的可行战略。然而，要获得NHIW重用的最大可能好处，需要将NHIW生成的详细知识、NHIW重用路径和高地理空间分辨率的系统设计结合起来。这种系统级的NHIW知识以前在美国是不可用的，但利用它将大大提高国家的资源回收工作。该项目采用了一种新颖的、数据驱动的方法来量化优化的NHIW再利用在多大程度上有助于提高美国的资源效率和可持续工业部门。该项目将：(1)以高地理空间分辨率描绘美国各地的NHIW生成；(2)在匹配的空间分辨率下建立当前NHIW配置的严格基线；(3)设计模块，以评估交通和不同的NHIW再利用路径对环境的影响；(4)基于经验证据和地理空间约束，评估NHIW再利用潜力和由此产生的环境效益。量化NHIW再利用对资源和气候的影响，并从空间上考察其影响，在三个方面具有更广泛的影响。首先，它为公共和私营部门参与者评估州和国家材料效率和温室气体排放目标提供了坚实的基础。其次，它使州和地方官员能够将有益再利用视为城乡发展规划的常规、循证维度。第三，将根据该项目的发现创造宝贵的教育和推广机会，这将有助于从学童到寻求更多回收和更少处置的工业领导人等有关各方。

1706097 (Chertow). Nonhazardous industrial waste (NHIW), such as blast furnace slag, food processing waste, and wood pulping residue, results from production processes, and these secondary by-product materials can be, in most cases, a tangible substitute for primary raw materials. Life cycle studies demonstrate that NHIW reuse is a viable strategy for conserving natural resources and achieving substantial reduction of greenhouse gas emissions. Capturing the largest possible benefits of NHIW reuse, however, requires bringing together detailed knowledge of NHIW generation, NHIW reuse pathways, and system design at a high geospatial resolution. This systems level knowledge of NHIW has not been available previously in the United States, yet utilizing it would greatly enhance the nation's resource recovery efforts. This project employs a novel, data-driven approach to quantify the extent to which optimized NHIW reuse can contribute to a more resource-efficient and sustainable industrial sector in the U.S. This project will: (1) delineate NHIW generation throughout the US at a high geo-spatial resolution; (2) establish a rigorous baseline for current NHIW disposition at a matching spatial resolution; (3) design modules to assess the environmental impacts of transportation and different NHIW reuse pathways; (4) evaluate NHIW reuse potential and resulting environmental benefits based on empirical evidence andgeo-spatial constraints. Quantifying resource and climate impacts of NHIW reuse and examining it spatially has broader impacts on three fronts. First, it offers a sturdy foundation for assessing state and national material efficiency and GHG emissions targets for public and private sector actors. Second, it enables state and local officials to consider beneficial reuse as a routine, evidence-based dimension of urban and rural development planning. Third, valuable educational and outreach opportunities will be created based on the findings of this project that will assist interested parties from school children to industrial leaders seeking to recover more and dispose less.