Power generation and oil sands process-affected water treatment in microbial fuel cells

被引：24
|
作者：
Choi, Jeongdong [1 ]
Liu, Yang [1 ]
机构：
[1] Univ Alberta, Dept Civil & Environm Engn, Edmonton, AB T6G 2W2, Canada
来源：
BIORESOURCE TECHNOLOGY | 2014年 / 169卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Microbial fuel cell; Oil sands process-affected water; Mature fine tailings; Electricity; Pyrosequencing; ELECTRICITY-GENERATION; NAPHTHENIC ACIDS; TEMPERATURE; PRETREATMENT; PERFORMANCE; TOXICITY; TAILINGS; CATHODE;
D O I：
10.1016/j.biortech.2014.07.029
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Oil sands process-affected water (OSPW), a product of bitumen isolation in the oil sands industry, is a source of pollution if not properly treated. In present study, OSPW treatment and voltage generation were examined in a single chamber air-cathode microbial fuel cell (MFC) under the effect of inoculated carbon source and temperature. OSPW treatment with an anaerobic sludge-inoculated MFC (AS-MFC) generated 0.55 +/- 0.025 V, whereas an MFC inoculated with mature-fine tailings (MFT-MFC) generated 0.41 +/- 0.01 V. An additional carbon source (acetate) significantly improved generated voltage. The voltage detected increased to 20-23% in MFCs when the condition was switched from ambient to mesophilic. The mesophilic condition increased OSPW treatment efficiency in terms of lowering the chemical oxygen demand and acid-extractable organics. Pyrosequencing analysis of microbial consortia revealed that Proteobacteria were the most abundant in MFCs and microbial communities in the AS-MFC were more diverse than those in the MFT-MFC. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：581 / 587
页数：7
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