Biochemical methane potential of oil-extracted microalgae and glycerol in co-digestion with chicken litter

被引：19

作者：

Carlos Meneses-Reyes, Jose ^{[1
]}

Hernandez-Eugenio, Guadalupe ^{[1
]}

Huber, David H. ^{[2
,3
]}

Balagurusamy, Nagamani ^{[4
]}

Espinosa-Solares, Teodoro ^{[1
]}

机构：

[1] Univ Autonoma Chapingo, Posgrad Ingn Agr & Uso Integral Agua, Chapingo 56230, Estado De Mexic, Mexico

[2] West Virginia State Univ, Gus R Douglass Inst, Institute, WV 25112 USA

[3] West Virginia State Univ, Dept Biol, Institute, WV 25112 USA

[4] Univ Autonoma Coahuila, Escuela Ciencias Biol, Lab Biorremediac, Torreon 27000, Coahuila, Mexico

来源：

BIORESOURCE TECHNOLOGY | 2017年 / 224卷

关键词：

Oil-extracted microalgae; Glycerol; VFAs profile; Gompertz model; Biodiesel residuals; Mesophilic; ANAEROBIC-DIGESTION; SEWAGE-SLUDGE; WASTE; OPTIMIZATION; PRETREATMENT;

D O I：

10.1016/j.biortech.2016.11.012

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The objective of this work was to evaluate the technical feasibility of using both oil-extracted microalgae (M) and glycerol (G) in co-digestion with chicken litter (CL), thereby improving biochemical methane potential (BMP). Different feedstock ratios of M (0-30%), G (0-3%) and CL (67-100%) were investigated to determine the best co-digestion condition under mesophilic conditions. According to the modified Gompertz model, the best BMP (131.1 mL CH4 g(VSfed)(-1)) was obtained with the triple co-digestion (M: G: CL) in a proportion of 30:3:67. This yielded a methane production rate (mu m) of 3.3 mL CH4 g(VSfed)(-1) d(-1) and a lag time (lambda) of 17.4 d. This treatment reduced chemical oxygen demand (COD) by 91.02% and increased the methane yield 15.8% with respect to the CL control. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：373 / 379

页数：7

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