淡水沉积物中纤维素的存在对沉积物微生物燃料电池性能的影响。
Effect of presence of cellulose in the freshwater sediment on the performance of sediment microbial fuel cell.
机构信息
Department of Agricultural and Food Engineering, Indian Institute of Technology, Kharagpur 721 302, India.
Department of Civil Engineering, Indian Institute of Technology, Kharagpur 721 302, India.
出版信息
Bioresour Technol. 2014 Mar;155:84-90. doi: 10.1016/j.biortech.2013.12.094. Epub 2013 Dec 30.
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.
在水产养殖池塘底泥中添加 2%（w/w）纤维素作为 2%（w/w）（SMFC-2）、4%（w/w）纤维素作为 4%（w/w）（SMFC-3）和不添加纤维素作为对照（SMFC-1）的条件下，评估了沉积物微生物燃料电池（SMFCs）的性能。从养殖水中，SMFC-1 中获得了平均化学需氧量（COD）和总氮（TN）去除效率为 80.6±0.3%和 83.0±0.01%，SMFC-2 为 88.2±0.5%和 89.6±0.8%，SMFC-3 为 83.1±0.3%和 64.5±1.6%。在整个实验期间，在所有三个 SMFC 中都只检测到了乙酸这一种短链脂肪酸。SMFC-1、SMFC-2 和 SMFC-3 中的沉积物有机质去除率分别为 16%、22%和 18.6%。SMFCs 有效地从水产养殖池塘底泥中降解了纤维素，并保持了氧化的底泥上层有利于水产养殖。
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