Anaerobic digestion of soft drink beverage waste and sewage sludge

被引:29
作者
Wickham, Richard [1 ]
Xie, Sihuang [1 ]
Galway, Brendan [2 ]
Bustamante, Heriberto [2 ]
Nghiem, Long D. [3 ]
机构
[1] Univ Wollongong, Sch Civil Min & Environm Engn, Strateg Water Infrastruct Lab, Wollongong, NSW 2522, Australia
[2] Sydney Water, Parramatta, NSW 2124, Australia
[3] Univ Technol Sydney, Ctr Technol Water & Wastewater, Ultimo, NSW 2007, Australia
基金
澳大利亚研究理事会;
关键词
Anaerobic co-digestion; Beverage waste; Sewage sludge; Biogas; Organic loading rate; CO-DIGESTION; BIOGAS PRODUCTION; FOOD WASTE; ACTIVATED-SLUDGE; WATER TREATMENT; COMMUNITY STRUCTURE; ENERGY RECOVERY; GREASE; DEWATERABILITY; PERSPECTIVES;
D O I
10.1016/j.biortech.2018.04.046
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Soft drink beverage waste (BW) was evaluated as a potential substrate for anaerobic co-digestion with sewage sludge to increase biogas production. Results from this study show that the increase in biogas production is proportional to the increase in organic loading rate (OLR) rate due to BW addition. The OLR increase of 86 and 171% corresponding to 10 and 20% BW by volume in the feed resulted in 89 and 191% increase in biogas production, respectively. Under a stable condition, anaerobic co-digestion with BW did not lead to any significant impact on digestate quality (in terms of COD removal and biosolids odour) and biogas composition. The results suggest that existing nutrients in sewage sludge can support an increase in OLR by about 2 kg COD/m(3)/d from a carbon rich substrate such as soft drink BW without inhibition or excessive impact on subsequent handling of the digestate.
引用
收藏
页码:141 / 147
页数:7
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