实现芝麻产品的可持续生产:通过生命周期评估方法比较传统和现代生产系统

IF 3.7 Q2 ENVIRONMENTAL SCIENCES
Bahar M. Fereidani , Fehmi Görkem Üçtuğ
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引用次数: 0

摘要

食品生产领域日益突出的生态危机使得对各种食品的环境影响进行评估成为可持续发展的当务之急。具体来说,为了确定高需求食品的可持续生产模式,对各种生产方法进行生命周期比较评估至关重要。通过使用生命周期评估方法,研究了在伊朗生产两种广受欢迎的芝麻产品--Tahini(磨碎的芝麻酱)和 Halva(甜芝麻酱)的能源消耗和环境影响。为此,模拟了基于芝麻种植和种子加工的传统和现代两种生产系统。此外,作为芝麻酱和 Halva 生产中的主要工具,研磨石的生产也在每个产品系统的范围内进行了评估。传统方法生产的塔希尼(Tahini)所使用的能源模式和碳足迹最高,分别为 89.3 兆焦耳/千克和 12.4 千克二氧化碳当量/千克;而现代方法生产的哈勒瓦(Halva)所使用的能源模式和碳足迹最低,分别为 47.8 兆焦耳/千克和 5.4 千克二氧化碳当量/千克。与传统方法相比,现代方法生产的芝麻酱增加的酸化潜能值和臭氧层破坏潜能值最大,分别为 73.1 克二氧化硫当量和 0.735 毫克 R11eq。在传统和现代系统中,磨石生产是所有产品的主要热点,在前者和后者系统中,平均分别占总能耗的 56% 和 45%,以及产品碳足迹的 75% 和 71%。此外,还从生命周期评估的角度对实施农业光伏系统和基于循环经济的磨石作为替代方案进行了评估,结果表明,采用替代磨石可显著降低影响结果。相信本研究的新颖评价框架可为今后的生命周期评估研究提供范例,以扩大常见的评价常规,并将仪器生产纳入产品的系统边界内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Towards sustainable production of sesame products: Comparison of traditional and modern production systems via a life cycle assessment approach

Burgeoning ecological crises of food production sector has made the environmental impact evaluation of various food products a sustainability imperative. Specifically, in pursuit of identifying a sustainable production model of high-demand food items, implementing a comparative life cycle assessment of various production approaches is of paramount importance. The energy consumption and environmental impacts of manufacturing two popular sesame products, Tahini (milled sesame paste) and Halva (sweetened sesame paste) in Iran was realized by using life cycle assessment methodology. In this regard, two production systems of traditional and modern, based on sesame cultivation and processing seeds were modeled. Moreover, production of milling stone, as the main instrument in Tahini and Halva production, was evaluated within the boundary of each product system. The highest energy used pattern and carbon footprint were attributed to the traditionally produced Tahini with 89.3 MJ/kg and 12.4 kg CO2eq/kg respectively; while, the lowest results were associated with modern-based Halva production with 47.8 MJ/kg and 5.4 kg CO2eq/kg. Compared to the traditional method, modern production of tahini was found to increase acidification potential and ozone layer depletion potential the most, with 73.1 g SO2eq and 0.735 mg R11eq respectively. Production of milling stone was the predominant hotspot for all products in traditional and modern systems, with average of 56% and 45% contribution to the total energy used, and 75% and 71% contribution to the carbon footprint of products in the former and latter systems respectively. Moreover, implementation of agrivoltaics system and circular economy-based milling stone as the alternative scenarios were evaluated from LCA perspective, which demonstrated that adoption of alternative milling stone could reduce the impact results significantly. It is believed that the novel evaluation framework of this study could serve as an example for future LCA studies to expand the common routine of evaluation and include production of instrument within the product's system boundary.

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来源期刊
Cleaner and Responsible Consumption
Cleaner and Responsible Consumption Social Sciences-Social Sciences (miscellaneous)
CiteScore
4.70
自引率
0.00%
发文量
40
审稿时长
99 days
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