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

页码：581 / 587

页数：7

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