Journal of Zhejiang Agricultural Sciences ›› 2024, Vol. 65 ›› Issue (9): 2219-2223.DOI: 10.16178/j.issn.0528-9017.20230091

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Current research status and perspectives of liquid fertilizer based on kitchen biogas slurry

FAN Beibei1,2(), HAN Guorong1,2, PAN Chengjie1, CUI Yong1, WEI Yuquan1,2, MU Kangguo1,2,*()   

  1. 1. Organic Cycle Research Institute, China Agricultural University (Suzhou), Suzhou 215100, Jiangsu
    2. College of Resources and Environment, China Agricultural University, Beijing 100193
  • Received:2023-02-02 Online:2024-09-11 Published:2024-09-11

Abstract:

Aerobic digestion technology is the main treatment method of kitchen waste in China. Clean energy biogas can be generated during the aerobic fermentation process of kitchen waste, and a large amount of biogas liquids slurry can be generated. The treatment of biogas restricts the rapid development of the kitchen waste industry. The kitchen biogas slurry contains a large amount of nutrients and active substances that are beneficial to plant growth, and have high fertilizer use value. Based on published references, this study sorted out the current status of kitchen biogas slurry and their value-added products, and put forward the prospects and suggestions for the use of fertilization of kitchen biogas slurry.

Key words: aerobic digestion technology, kitchen biogas slurry, fertilization

CLC Number: