Characterization and variation of dissolved organic matter in composting: a critical review

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10 Scopus citations

Abstract

As the most motive organic fraction in composting, dissolved organic matter (DOM) can contribute to the transfer and dispersal of pollutants and facilitate the global carbon cycle in aquatic ecosystems. However, it is still unclear how composting approaches and conditions influence the properties of compost-derived DOM. Further details on the shift of DOM character indexes are required. In this study, the change in properties of compost-derived DOM at different composting approaches and the effect of composting conditions on the DOM characteristics are summarized. Thereafter, the change in DOM character indexes’ in composting was comprehensively reviewed. Along with composting, the elements and spectral properties (chromophoric DOM (CDOM) and fluorescent DOM (FDOM)) were altered, size and hydrophobicity increased, and aromatic-C and electron transfer capacity were promoted. Finally, some prospects to improve this study were put forward. This paper should facilitate the people who have an interest in tracing the fate of DOM in composting.
Original languageEnglish (US)
JournalFRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
Volume17
Issue number5
DOIs
StatePublished - Dec 8 2022

Bibliographical note

KAUST Repository Item: Exported on 2023-01-05
Acknowledgements: The draft paper was completed when I shifted my job. Six months are a long period. Thanks a lot for my family’s support. The revised work is done when I came to King Abdullah University of Science and Technology (KAUST). I am grateful for KAUST and my PI Prof. Peiying Hong. I also thanks a lot for the constructive comments provided by my anonymous reviews.

ASJC Scopus subject areas

  • General Environmental Science

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