Essential role of composting industry in achieving China's dual-carbon goals: Case studies from Chinese composting companies

文献类型： 外文期刊

第一作者： Hang, Sheng

作者： Hang, Sheng;Wang, Yue;Wei, Yuquan;Peng, Bihui;Hao, Ziyi;Ding, Guochun;Li, Ji;Hang, Sheng;Wang, Yue;Wei, Yuquan;Ding, Guochun;Li, Ji;Wang, Bo;Wu, Lei;Zhang, Longli

作者机构：

关键词： National-level survey; Compost quality; Total organic matter; Inoculant; Frequency stirring; Carbon sequestration

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）

ISSN： 0960-8524

年卷期： 2024 年 410 卷

页码：

收录情况： SCI

摘要： Composting is one of the primary methods for organic waste recycling in China. This study aims to analyze the product quality of organic fertilizer enterprises from the perspective of actual production and the relationship between production process variations and organic matter content in organic fertilizers based on 348 samples from 229 organic fertilizer companies across 22 provinces. Results showed that fertilizers produced through composting processes contain higher organic matter, averaging 45.42 %, compared to commercial organic fertilizers and bio-organic fertilizers. Raw materials, equipment, methods, operational scale, and personnel structure are key factors affecting the content of organic matter in products. Optimizing equipment and processes in Chinese organic fertilizer companies could increase organic matter content to 49.3 %, potentially reducing annual carbon emissions by an estimated 3.07 to 6.97 billion kg of CO2 equivalent, thereby supporting the realization of dual carbon goals.

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