期刊
BIORESOURCE TECHNOLOGY
卷 245, 期 -, 页码 665-672出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.09.014
关键词
Post-consumption food waste; Composting; Oil content; Zeolite; Bacterial consortium
资金
- Environment and Conservation Fund (ECF), Hong Kong SAR [34/2010]
Effect of single-function (oil degrading) and multi-functional bacterial consortium with zeolite as additive for post-consumption food waste (PCFW) composting was investigated through assessing the oil content reduction in a computer controlled 20-L composter. Three treatments of PCFWs combined with 10% zeolite were developed: Treatment-2 and Treatment-3 were inoculated with multi-functional (BC-1) and oil degrading bacterial consortium (BC-2), respectively, while T-1 was without bacterial inoculation and served as control. Results revealed that BC-2 inoculated treatment (T-3) was superior to control treatment and marginally better than T-2 in terms of oil degradation. The reduction of oil content was > 97.8% in T-3 and 92.27% in T-2, while total organic matter degradation was marginally higher in T-2 (42.95%) than T-3 (41.67%). Other parameters of compost maturity including germination test indicated that T-2 was marginally better than T-3 and significantly enhanced the oily PCFW decomposition and shortened the composting period by 20 days.
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