基于静态好氧工艺的厨余垃圾堆肥特性及微生物多样性

doi:10.14088/j.cnki.issn0439-8114.2023.05.011

湖北农业科学 ›› 2023, Vol. 62 ›› Issue (5): 59-65.doi: 10.14088/j.cnki.issn0439-8114.2023.05.011

基于静态好氧工艺的厨余垃圾堆肥特性及微生物多样性

张璇^1a, 邓秀汕², 邓秀泉², 马大朝^2,1b, 吴燕萍², 冯庆革^1a,1b

1.广西大学,a.土木建筑工程学院;b.资源环境与材料学院,南宁 530004;
2.广西力源宝科技有限公司绿色技术研究院,南宁 530000

收稿日期:2022-03-11 出版日期:2023-05-25 发布日期:2023-06-12
通讯作者: 邓秀汕,工程师,主要从事固体废物处理技术研究,（电子信箱）lybkjb@gxlyb.com。
作者简介:张璇（1983-）,女,广西柳州人,在读博士研究生,研究方向为环境、市政工程,（电话）13307722038（电子信箱）446504277@qq.com。
基金资助:
广西科技基地和人才专项（桂科AD18126006）

Process properties and microbial diversity during the statical aerobic composting of food waste

ZHANG Xuan^1a, DENG Xiu-shan², DENG Xiu-quan², MA Da-chao^2,1b, WU Yan-ping², FENG Qing-ge^1a,1b

1a. School of Civil Engineering and Architecture; 1b. School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China;
2. Institute of Green Technology, Guangxi Liyuanbao Science and Technology Co., Ltd., Nanning 530000, China

Received:2022-03-11 Online:2023-05-25 Published:2023-06-12

摘要/Abstract

摘要： 应用一种新型发酵筒进行厨余垃圾静态好氧堆肥,探究堆肥过程中理化性能参数的变化以及微生物群落的演变规律。结果表明,堆肥物料的含水率、有机质和碳氮比均有所降低,总养分含量基本保持不变。最终堆肥产品的有机质含量、总养分、水分、pH分别为66.2%、7.49%、18.5%、7.70,技术指标满足《有机肥料》（NY/T 525—2021）的相关要求。堆肥过程中厚壁菌门（Firmicutes）、放线菌门（Actinobacteria）和变形菌门（Proteobacteria）为优势细菌门,子囊菌门（Ascomycota）为优势真菌门。堆肥开始至高温阶段,主要细菌群落由枝芽孢杆菌属（Virgibacillus）和葡萄球菌属（Staphylococcus）组成,而在堆肥中温冷却阶段,优势菌群迅速转变为鞘氨醇单胞菌属（Sphingomonas）,且微生物多样性和物种丰富度较高。

关键词: 厨余垃圾, 发酵筒, 好氧堆肥, 腐熟指标, 微生物多样性

Abstract: A new compost bin was used for statical aerobic composting of food waste. Changes of physicochemical parameters and the succession of the microbial community during the composting process were investigated. It was found that the moisture content, organic matter, and C/N ratio of the compost decreased, and contents of total nutrients remained largely the same. The organic matter, total nutrients, moisture and pH of the final compost product were 66.2%, 7.49%, 18.5% and 7.70 respectively. The properties complied with the requirements of regulation according to Organic Fertilizer （NY/T 525—2021）. Firmicutes, Actinobacteria and Proteobacteria were the major bacterial phyla during the composting process, while Ascomycota was the dominant phylum of fungi. The bacterial community was mostly composed of Virgibacillus and Staphylococcus during the inception phase and high temperature stage of composting. However, the predominant bacteria quickly changed to Sphingomonas in the mesophilic cooling stage of composting, and microbial diversity and species richness were high at that time.

Key words: food waste, compost bin, aerobic composting, maturity index, microbial diversity

中图分类号:

X705

张璇, 邓秀汕, 邓秀泉, 马大朝, 吴燕萍, 冯庆革. 基于静态好氧工艺的厨余垃圾堆肥特性及微生物多样性[J]. 湖北农业科学, 2023, 62(5): 59-65.

ZHANG Xuan, DENG Xiu-shan, DENG Xiu-quan, MA Da-chao, WU Yan-ping, FENG Qing-ge. Process properties and microbial diversity during the statical aerobic composting of food waste[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(5): 59-65.

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基于静态好氧工艺的厨余垃圾堆肥特性及微生物多样性

Process properties and microbial diversity during the statical aerobic composting of food waste

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