Circular economy-based integrated closed-loop farming system: A sensitivity analysis for profit optimization

IF 9.7 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production Pub Date : 2024-11-09 DOI:10.1016/j.jclepro.2024.144184

Shiou-Yun Jeng , Chun-Wei R. Lin , Kanchana Sethanan , Hsun Wei Wang , Ming-Lang Tseng

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Abstract

This study proposes and constructs a model for a closed-loop farming system (CLFS) for pig manure waste reuse under circular economy principles (CEPs) to optimize economic benefits. Pig farming produces waste that harms the ecological environment in Taiwan. However, few studies have focused on pig farming waste within the context of CEPs, where the resource utilization of pig manure waste and CLFS are the main concerns. This study introduces a CLFS with a farming production plan that enhances systematic efficiency and builds a framework for resource reuse, supporting a local living circle. The resource utilization of pig manure waste is integrated into the CLFS, ensuring that the entire pig raising production process operates within the system, maximizing waste utilization to increase economic benefits. A sensitivity analysis is also presented. The results confirm that all counties and municipalities in Taiwan achieved self-sufficiency in pork production, reaching a 100% satisfaction rate for pork demand, and feed prices did not impact the overall CLFS.

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基于循环经济的综合闭环农业系统：利润优化的敏感性分析

本研究提出并构建了循环经济原则下猪粪废弃物再利用的闭环养殖系统（CLFS）模型，以优化经济效益。养猪业产生的废弃物对台湾的生态环境造成危害。然而，很少有研究关注 CEPs 背景下的养猪废弃物，其中猪粪废弃物的资源化利用和 CLFS 是主要关注点。本研究介绍了一种具有养殖生产计划的CLFS，该计划提高了系统效率，并构建了资源再利用框架，支持地方生活圈。猪粪废弃物的资源化利用被纳入 CLFS，确保整个养猪生产流程在系统内运行，最大限度地利用废弃物，提高经济效益。此外，还进行了敏感性分析。结果证实，台湾所有县市都实现了猪肉生产的自给自足，猪肉需求满足率达到 100%，饲料价格对整个 CLFS 没有影响。

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 Cleaner Production 环境科学-工程：环境

CiteScore

20.40

自引率

9.00%

发文量

4720

审稿时长

111 days

期刊介绍： The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.