Centralized strategies for decentralized nitrogen recovery: A model for sustainable fertilizer supply chains.

IF 8.4 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Journal of Environmental Management Pub Date : 2025-10-02 DOI:10.1016/j.jenvman.2025.127371

Ruben Vingerhoets, Marc Spiller, Siegfried E Vlaeminck, Jeroen Buysse, Erik Meers

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引用次数: 0

Abstract

This study explores how decentralized nitrogen (N) recovery can be aligned with centralized, uniform fertilizer production to enhance economic sustainability and support the European Union's (EU) Farm-to-Fork (F2F) strategy goals of reducing nutrient emissions by 50 % and fertilizer use by 20 %. Existing NH₃ recovery technologies face adoption challenges, including inconsistent composition, liquid state, and high costs. Our mixed integer linear programming (MILP) model optimizes centralized processing, incorporating pretreatment/transport hubs and monitoring chemical changes. Scenario modelling highlights cost reductions, halving transport costs and reducing pretreatment costs by 43 %. Exploiting full N recovery in manure's liquid fraction increases revenue fivefold with operational costs rising only threefold, boosting net profit from €0.6M (€0.6 kg N^-1) to €5.1M (€1.1 kg N^-1). These findings demonstrate the economic feasibility of centralized NH₃ processing and provide a scalable framework for improving nutrient circularity across different EU regions and meet EU's environmental targets.

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分散氮回收的集中策略：可持续肥料供应链模型。

本研究探讨了如何将分散的氮(N)回收与集中、统一的肥料生产相结合，以提高经济可持续性，并支持欧盟（EU）“从农场到餐桌”（F2F）战略目标，即减少50%的养分排放和20%的肥料使用。现有的NH3回收技术面临着一些挑战，包括成分不一致、液态不一致和成本高。我们的混合整数线性规划（MILP）模型优化了集中处理，包括预处理/运输枢纽和监测化学变化。情景建模突出了成本的降低，运输成本减半，预处理成本降低43%。充分利用粪便液体部分的氮回收，使收入增加了五倍，而运营成本仅增加了三倍，净利润从60万欧元（0.6千克氮-1）增加到510万欧元（1.1千克氮-1）。这些发现证明了集中处理NH3的经济可行性，并为改善欧盟不同地区的养分循环和实现欧盟的环境目标提供了一个可扩展的框架。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Environmental Management 环境科学-环境科学

CiteScore

13.70

自引率

5.70%

发文量

2477

审稿时长

84 days

期刊介绍： The Journal of Environmental Management is a journal for the publication of peer reviewed, original research for all aspects of management and the managed use of the environment, both natural and man-made.Critical review articles are also welcome; submission of these is strongly encouraged.