数字农科院2.0

Promoting synergy among environmental and economic performances in food waste treatment by optimizing biogas residue management practices

文献类型： 外文期刊

作者： Lijiang Zheng;Xiaohan Ma;Yanfeng Lyu;Hengyu Pan;Xiaohong Zhang

作者机构：

关键词： Biogas residue;Carbon emissions;Economic analysis;Emergy analysis;Food waste;System coordination degree

期刊名称： Bioresource Technology

ISSN： 0960-8524

年卷期： 2025 年 419 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Improper management of biogas residue (BR) can reduce sustainability in the food waste treatment industry. To address this issue, a comprehensive evaluation framework, based on emergy analysis, carbon emissions and economic analysis, is proposed in this study, to explore how different BR disposal practices affect the comprehensive performance of the industry. A food waste treatment plant in Henan Province, China (anaerobic digestion (AD) + BR landfilling: Scenario 1 [S1]), and two alternative scenarios (S2: AD + BR incineration; S3: AD + BR composting) are investigated as a case study. Compared with S1, S2 and S3 reduce carbon emission intensity by 16.93 % and 22.92 %, respectively; S2 enhances environmental sustainability by 48.63 % while S3 reduces the environmental sustainability by 11.64 %. Furthermore, S2 and S3 improve economic benefits by 8.70 % and 43.48 %, respectively. Generally, S2 and S3 increase the system coordination degree by 9.35 and 9.52 times, respectively. Therefore, BR management should be devoted to improving the resource structure in the future.

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