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. 2014 Mar:155:84-90.
doi: 10.1016/j.biortech.2013.12.094. Epub 2013 Dec 30.

Effect of presence of cellulose in the freshwater sediment on the performance of sediment microbial fuel cell

T K Sajana  1 , M M Ghangrekar  2 , A Mitra  1
Affiliations

Effect of presence of cellulose in the freshwater sediment on the performance of sediment microbial fuel cell

T K Sajana et al. Bioresour Technol. 2014 Mar.

Abstract

The performance of sediment microbial fuel cells (SMFCs) was evaluated in the presence of cellulose in the aquaculture pond sediment as 2% (w/w) in SMFC-2, 4% in SMFC-3 and without adding cellulose in SMFC-1. From aquaculture water, average chemical oxygen demand (COD) and total nitrogen (TN) removal efficiencies of 80.6±0.3% and 83.0±0.01% were obtained in SMFC-1, 88.2±0.5% and 89.6±0.8% in SMFC-2 and 83.1±0.3% and 64.5±1.6% in SMFC-3, respectively. During the complete experimental period, acetic acid was the only short chain fatty acid detected in all three SMFCs. Sediment organic matter removal in SMFC-1, SMFC-2 and SMFC-3 were 16%, 22% and 18.6%, respectively. SMFCs demonstrated effective cellulose degradation from aquaculture pond sediment and maintained the oxidized sediment top layer favourable for aquaculture.

Keywords: Aquaculture water remediation; Cellulose degradation; Freshwater sediment; Sediment microbial fuel cell.

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