Co-composting of green waste and biogas waste: physical, chemical parameters and quality of ripe compound

被引：0
作者：
Bortoloti M.A. [1 ]
Challiol A.Z. [1 ]
Sicchieri I.M.B. [1 ]
Kuroda E.K. [1 ]
Fernandes F. [1 ]
机构：
[1] Department of Civil Engineering, Center for Technology and Urbanism, State University of Londrina, Celso Garcia Cid Highway (PR-445), Km 380, Paraná, Londrina
来源：
Environmental Science and Pollution Research | 2024年 / 31卷 / 23期
关键词：
Fertilizer; Lignin; Nutrients; Phytotoxicity; Stabilization; Structuring substrate;
D O I：
10.1007/s11356-024-33539-9
中图分类号：
学科分类号：
摘要：
The impact of adding biogas waste (BW) to green waste (GW) composting to increase nitrogen supplementation and improve mature compost quality was investigated. Conducted over 90 days using static windrows, the experiment compared treatments with GW alone (T1) and GW supplemented with BW (T2 and T3). The results showed that the addition of BW increased temperatures, improved the C/N ratio, and expedited the stabilization process compared to T1. Furthermore, the addition of BW led to significant degradation of hemicellulose (up to 39.98%) and cellulose (up to 27.63%) compared to GW alone. Analysis of Fourier-transform infrared (FTIR) spectra revealed the presence of aromatic, phenolic, aliphatic, and polysaccharide structures in the compost, with BW supplementation enhancing these characteristics. Importantly, the germination index (GI) assessment indicated that the compounds produced were not toxic and instead exhibited stimulatory effects on seed germination. Overall, the findings suggest that supplementing GW composting with BW can enhance the quality and efficacy of the composting process, resulting in compost with desirable properties for agricultural use. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.
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页码：34258 / 34270
页数：12
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