期刊
WASTE MANAGEMENT
卷 133, 期 -, 页码 19-27出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.wasman.2021.07.030
关键词
Food waste; Bamboo sphere; Composting; Organic matter; Humification
资金
- National Natural Science Foundation of China [51934009, 52074353]
- National Key Research and Development Program of China [2019YFC1803600]
The study found that adding bamboo sphere to food waste composting can accelerate organic matter decomposition, promote seed germination, and increase the production of humic substances.
The aim of this study is to examine the effect of bamboo sphere on the organic matter decomposition and humification of food waste composting. Food waste composting were carried out on four treatments, namely control (CK), 3% (T1), 6% (T2) and 9% (T3) (w/w) bamboo sphere treatments. Results showed that adding bamboo sphere facilitated the organic matter decomposition and increased the seed germination index. The number of cells in T2 treatment was always the highest during the composting process. Furthermore, the final humic substances and humic acid contents increased by 41.08% and 68.3%, respectively, in 6% bamboo sphere treatment. Fourier transform infrared and excitation-emission matrix fluorescence spectroscopy analysis revealed that adding bamboo sphere accelerated the humification of composting with more aromatic structures and humic acid-like substances. GC-MS studies revealed that the compost products of 6% bamboo sphere treatment had more ring structures, and thus enhanced the humification.
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