食品加工清洗水和固体残渣土地应用的生命周期评估。

IF 2.5 4区 环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL Water Environment Research Pub Date : 2024-07-01 DOI:10.1002/wer.11068
Connor Dunlop, Bassim Abbassi, Richard G Zytner
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引用次数: 0

摘要

一项生命周期评估(LCA)研究已经完成,目的是了解农村食品加工作业产生的废物最终处置时土地应用对环境的影响。两个方案的系统边界包括所生产的非农业源材料(NASM)的储存、运输到适用地点、非农业源材料的土地应用,以及最终排放对土壤和地下水全年的影响。影响评估方法选用了减少和评估化学品及其他环境影响工具 (TRACI) v2.1。此外,还使用了 SimaPro 8.0.4.26 作为生命周期分析模型版本,其中包括所有数据库。总体而言,生命周期评估研究表明,与处置过程相关的最重要环境影响来自致癌和富营养化排放。致癌影响最大的部分来自于制造混凝土储罐所需的材料。此外,如果不遵守 NASM 材料的适当后退要求,富营养化也被认为是一个潜在的重大影响。研究结果希望能让利益相关者了解 NASM 处置的益处和风险。实践点:对使用土地应用的具有代表性的 NASM 处置系统进行了生命周期评估。用于储存 NASM 的混凝土罐对致癌物质排放的影响最大。富营养化影响是仅次于致癌物排放的第二大影响。
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Life cycle assessment for the land application of food processing wash-water and solid residuals.

A life cycle assessment (LCA) study was completed to understand the environmental impacts associated with the land application of wastes produced from rural food-processing operations for final disposal. The system boundaries for the two comprised scenarios included the storage of the produced non-agriculture source material (NASM), transportation to an applicable location, land application of the NASM, and the impacts of the final emissions to the soil and groundwater for a full year. The Tool for the Reduction and Assessment of Chemicals and Other Environmental Impacts (TRACI) v2.1 was selected as the impact assessment method. Furthermore, SimaPro 8.0.4.26 was the LCA model version that was used with all the databases included. Overall, the LCA study showed that the most significant environmental impacts associated with the disposal process resulted from carcinogenic and eutrophication emissions. The component that contributed the most to carcinogenic impacts was found to be from the material required to create the concrete storage tank. Additionally, eutrophication was identified to be a potential significant impact, if proper setback requirements are not followed for the NASM material. Results of the study look to inform stakeholders about the benefits and risks encountered from NASM disposal. PRACTITIONER POINTS: Life cycle assessment was completed on a representative NASM disposal system using land application. Concrete tank used for storage of NASM had the most significant impact in carcinogenic emissions. Eutrophication impacts were the second most significant impact behind carcinogenic emissions.

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来源期刊
Water Environment Research
Water Environment Research 环境科学-工程:环境
CiteScore
6.30
自引率
0.00%
发文量
138
审稿时长
11 months
期刊介绍: Published since 1928, Water Environment Research (WER) is an international multidisciplinary water resource management journal for the dissemination of fundamental and applied research in all scientific and technical areas related to water quality and resource recovery. WER''s goal is to foster communication and interdisciplinary research between water sciences and related fields such as environmental toxicology, agriculture, public and occupational health, microbiology, and ecology. In addition to original research articles, short communications, case studies, reviews, and perspectives are encouraged.
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