School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, Guangdong, China.
J Environ Sci Health A Tox Hazard Subst Environ Eng. 2010;45(2):250-6. doi: 10.1080/10934520903430061.
Quinoline has become one of the common contaminants in groundwater and soil, discharged from the process of coal tar distillation and creosote wood preservation, as well as fossil fuel facilities. The aim of this study was to investigate the feasibility of electricity production from and biodegradation of quinoline in the microbial fuel cell (MFC). Experiments were conducted in the MFC using an initial 500 mg/L quinoline with different glucose concentrations as substrates. Results showed maximum voltages of 558, 469, and 328 mV for the substrates with ratios of quinoline to glucose of 1:1, 5:3, 5:1, respectively. The MFC accomplished complete quinoline biodegradation within 6 h. Experiments were then conducted using 200 mg/L quinoline only as the MFC fuel, resulting in the maximal voltage of 145 mV and maximal power density of 16.4 mW/m(2). GC/MS analyses showed that 2(1H)quinolinone accumulated in the anode solution and later disappeared. The results clearly demonstrated the feasibility to use quinoline as the MFC fuel to generate electricity and enhance quinoline biodegradation simultaneously.
喹啉已成为地下水和土壤中的常见污染物之一，主要来自煤焦油蒸馏和防腐木过程中以及化石燃料设施的排放。本研究旨在探讨在微生物燃料电池（MFC）中利用喹啉发电和生物降解的可行性。实验采用初始浓度为 500mg/L 的喹啉，以不同浓度的葡萄糖作为基质，在 MFC 中进行。结果表明，当喹啉与葡萄糖的比例分别为 1:1、5:3 和 5:1 时，最大电压分别为 558mV、469mV 和 328mV。MFC 在 6 小时内实现了喹啉的完全生物降解。随后，实验仅以 200mg/L 喹啉作为 MFC 的燃料进行，最大电压为 145mV，最大功率密度为 16.4mW/m(2)。GC/MS 分析表明，喹啉在阳极溶液中积累，随后消失。结果清楚地表明，利用喹啉作为 MFC 的燃料来发电并同时增强喹啉的生物降解是可行的。
