采用激发-发射矩阵-平行因子分析法研究温度参数对社区厨余垃圾堆肥腐殖质化的影响

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2025-03-21 DOI:10.1016/j.biombioe.2025.107787

Xiaonan Liang , Pan Wang , Yansong Zhang , Yingnan Li , Cheng Ji , Xingyao Meng , Lianhai Ren

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引用次数: 0

摘要

分散的社区堆肥已经成为解决厨房垃圾（KW）的另一种解决方案。本试验采用小型KW堆肥仓进行温控堆肥，采用激发-发射基质-平行因子分析法分析微生物对堆肥中溶解有机质的影响。结果表明，将堆肥仓温度保持在60℃可将堆肥周期缩短至14 d，加速堆肥中蛋白质的降解，促进腐植酸的形成。细菌群落分析显示，60°C组病原菌（葡萄球菌）丰度降低，有益菌（芽孢杆菌、假单胞菌）丰度升高，微生物间的合作增强。代谢功能预测表明，在60°C条件下，丙酮酸向乙酰辅酶A的转化得到促进，三羧酸循环中酶的丰度发生改变，从而稳定了堆肥系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Using excitation-emission matrix-parallel factor analysis to access the effect of temperature parameters on the humification of community kitchen waste compost

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Using excitation-emission matrix-parallel factor analysis to access the effect of temperature parameters on the humification of community kitchen waste compost

Decentralized community composting has emerged as an alternative solution to kitchen waste (KW). In this experiment, temperature-controlled composting was carried out using a small-scale KW composting bin, and the change of dissolved organic matter caused by microorganisms was analyzed by excitation-emission matrix-parallel factor analysis. The results showed that keeping the temperature of the composting bin at 60 °C could shorten the composting cycle to 14 days, accelerate the degradation of proteins in the composting, and promote the formation of humic acids. Bacterial community analysis exhibited that the abundance of pathogens (Staphylococcus) was decreased, the abundance of beneficial bacteria (Bacillus, Pseudomonas) was elevated in 60 °C group, and the cooperation between microorganisms was enhanced. Metabolic function prediction exhibited that the conversion of pyruvate to acetyl coenzyme A was promoted and the abundance of the enzymes in the tricarboxylic acid cycle was altered, thereby stabilizing the composting system in 60 °C group.

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.