Analysis of revolution in decentralized biogas facilities caused by transition in Chinese rural areas

文献类型： 外文期刊

第一作者： Luo, Tao

作者： Luo, Tao;Huang, Ruyi;Mei, Zili;Khoshnevisan, Benyamin;Pan, Junting;Liu, Hongbin;Huang, Ruyi;Chen, Qiu

作者机构：

关键词： Decentralized biogas plants; On-site biogas plants; Field research; Operation; WEBP group

期刊名称：RENEWABLE & SUSTAINABLE ENERGY REVIEWS （ 影响因子：14.982； 五年影响因子：14.916 ）

ISSN： 1364-0321

年卷期： 2020 年 133 卷

页码：

收录情况： SCI

摘要： Decentralized biogas facilities have become an important component of agricultural sectors in Chinese rural area. This study is the first attempt to investigate how transition in Chinese rural areas affects the revolution of decentralized biogas facilities and its sustainability. The characteristics of the household biogas digesters (HBD), simple biogas plants (SBP), and well equipped biogas plants (WEBP) with higher level of technologies were clarified, and their practical feasibility was correspondingly investigated through a comprehensive survey of 15 selected villages. More effort was devoted to the adoption of feedstock availability, energy supply stability, and digestate distribution optimization for each facility. The results showed that feedstock collection and insufficient biogas production were the main restraining factors for HBD, while SBP found to be ineffective facilities for competitive energy production due to the un-guaranteed biogas supply. The survey results demonstrated that the average biogas expenditure of dwellers, who were connected to WEBP, accounted for 39.61% commercial energy cost. According to the one-year operation data collected from a 52 -household club revealed that WEBP would effectively maintain stability and continuous biogas supply with the average feeding interval of 6.2 d. Accordingly, WEBP groups were found as the best option for regional development respected with the professional management unit. Overall, commercial biogas is the orientation of decentralized biogas facility construction. However, to form a robust biogas-centric industrial chain, future research should focus on how to establish relative policies and regulations supporting the comprehensive operation framework of a multi-participant collaboration leadership system.

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