Complete recycle bioreactor for anaerobic digestion of organic substrates: Food waste

被引：0
|
作者：
Bodkhe, S. Y. [1 ]
Vaidya, A. N. [1 ]
机构：
[1] NEERI, CSIR, Solid & Hazardous Waste Management Div, Nagpur 440020, Maharashtra, India
来源：
RESEARCH JOURNAL OF CHEMISTRY AND ENVIRONMENT | 2012年 / 16卷 / 02期
关键词：
Anaerobic digestion (AD) food waste; HRTs; biogas; nutrients; BIOMETHANATION; PERFORMANCE; REACTORS; INOCULUM;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A study of anaerobic digestion of food waste (FW) was carried out in complete recycle anaerobic bioreactor under ambient temperature conditions. The reduction in chemical oxygen demand (COD) obtainned at three different hydraulic retention times (HRT), 5days (d), 7d and 10d were 62%, 78% and 84% respectively. The appropriate HRT for the reactor was found to be 7d with 73% TS and 79% VS removal. The feed stock had well balanced nutrients as detected by nutrient analysis. The C/N ratio of digestate varied between 20 to 27. Seed germination of 100% and incre-ase of 49% in plant growth were observed in plants supplied with digestate as compared to control samples. The study indicated feasibility of semi-continuously operated complete recycle anaerobic bio-reactor for FW slurry treatment.
引用
收藏
页码：27 / 31
页数：5
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