Changes in Physical, Chemical, and Microbiological Properties During the Two-Stage Composting of Green Waste due to the Addition of β-cyclodextrin

IF 2 4区 农林科学 Q3 ECOLOGY
Lu Zhang, Xiangyang Sun
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引用次数: 8

Abstract

Abstract This research determined whether addition of β-cyclodextrin (β-CD; 0, 0.15, or 0.25%) improved the two-stage composting of green waste (GW). The following parameters were measured during composting or in the final product: moisture content; volume; biochemical and chemical oxygen demand; humic substances; C/Nsolid and C/Nsoluble; microbial numbers (culturable bacteria, actinomycetes, and fungi); enzyme activities (pectinase and xylanase); microbial biomass carbon and nitrogen; degradation of organic components; contents of phosphorus (available and total), potassium, sodium, calcium, and magnesium; and toxicity to germinating seeds. The two-stage composting of GW was optimal with the addition of 0.15% β-CD. A mature and stable compost was obtained in only 28 days with the optimized two-stage composting rather than in the 90–270 days typically required for traditional composting.
添加β-环糊精对绿色垃圾两阶段堆肥过程中物理、化学和微生物特性的影响
摘要本研究确定了添加β-环糊精(β-CD;0、0.15或0.25%)是否能改善绿色垃圾的两阶段堆肥。在堆肥过程中或在最终产品中测量以下参数:水分含量;体积生化和化学需氧量;腐殖物质;C/Nsolid和C/Ns可溶性;微生物数量(可培养细菌、放线菌和真菌);酶活性(果胶酶和木聚糖酶);微生物生物量碳和氮;有机成分的降解;磷(有效和总)、钾、钠、钙和镁的含量;以及对发芽种子的毒性。添加0.15%β-CD的GW两阶段堆肥效果最佳。仅在28天内就获得了成熟稳定的堆肥 优化的两阶段堆肥天数,而不是90–270天 传统堆肥通常需要几天。
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来源期刊
Compost Science & Utilization
Compost Science & Utilization 农林科学-生态学
CiteScore
4.10
自引率
0.00%
发文量
0
审稿时长
>36 weeks
期刊介绍: 4 issues per year Compost Science & Utilization is currently abstracted/indexed in: CABI Agriculture & Environment Abstracts, CSA Biotechnology and Environmental Engineering Abstracts, EBSCOhost Abstracts, Elsevier Compendex and GEOBASE Abstracts, PubMed, ProQuest Science Abstracts, and Thomson Reuters Biological Abstracts and Science Citation Index
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