Compost Humification：An Overview of Abiotic and Biological Regulatory Mechanisms

doi:10.13560/j.cnki.biotech.bull.1985.2022-0135

Abstract

Abstract:

Composting technology is one of the most effective organic solid waste treatment and disposal and resource utilization,involving many complex non-biological and biological reactions. In this paper,the formation and regulation mechanisms of the humification process are described at the non-biological and biological levels,respectively. The non-biological humic acid synthesis mechanisms include the lignin-protein theory,polyphenol self-condensation,the polyphenol-protein pathway,and the Maillard reaction. Biological pathways include the fixation of carbon fractions,the biotransformation of lignocellulose,denitrification,and other responses to the composting humification process. The aim is to provide a more comprehensive technical reference and overview of the current status of humus synthesis in the compost humification process.

Key words: compost humification, non-biological pathway, biological pathway, humus synthesis

XIE Xin-yu, SHI Ming-zi, QI Hai-shi, WU Di, ZHANG Xu, ZHANG Chun-hao, WU Zhan-hai, WEI Zi-min. Compost Humification：An Overview of Abiotic and Biological Regulatory Mechanisms[J]. Biotechnology Bulletin, 2022, 38(5): 29-35.

Figures/Tables 1

References 38

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