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2022 1

2021 1

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DOM transformation 1

Humic substances (HSs) 1

Humic-like acids 1

Humification 1

Liquid digestate 1

Manganese dioxide 1

MnO₂ 1

Oxygen 1

Polyphenol 1

Two-dimensional correlation spectroscopy (2D-COS) 1

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Effects of oxidizing environment on digestate humification and identification of substances governing

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1520-0

Abstract:

• Liquid digestate humification was investigated under different oxidizing

Keywords： Liquid digestate MnO₂ Oxygen DOM transformation Humic-like acids

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Evolution of humic substances in polymerization of polyphenol and amino acid based on non-destructive characterization

Jianmei Zou, Jianzhi Huang, Huichun Zhang, Dongbei Yue

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 1, doi: 10.1007/s11783-020-1297-y

Abstract: Abstract • Humification evolution was identified with non-destructive characterization method.• Humification process from precursors to fulvic and humic acid was confirmed. • MnO2 alone had limitedAbiotic humification is important in the formation and evolution of organic matter in soil and compostHowever, the roles of metal oxides in abiotic humification reactions under micro-aerobic remain ambiguousThe results of this study provided new insights into the theory of abiotic humification.

Keywords： Two-dimensional correlation spectroscopy (2D-COS) Humic substances (HSs) Humification Manganese dioxide