Application of response surface methodology for bioenergy generation in a yeast-based microbial fuel cell

IF 3.9 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY RSC Advances Pub Date : 2024-10-29 DOI:10.1039/D4RA05380J
Ceren Orak
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Abstract

Microbial fuel cells (MFCs) provide a solution to valorise wastewater for energy generation. Wastewater containing oxytetracycline (OTC), an antibiotic, was treated in a yeast-based H-type MFC to obtain bioenergy. The effect of bakery yeast amount, initial OTC concentration, and NaCl concentration in an anodic chamber was investigated and optimum operating conditions were statistically determined via Box–Behnken design. The highest generated power was measured to be 219.3 mW m−2 using 3 g L−1 of bakery yeast, 0.003 M of OTC solution, and 0.006 M of NaCl in the anodic chamber, and experimental data showed a good fit to the model with higher R-sq values. The most important operating parameter was found to be the square of the initial OTC concentration, and this factor, as well as the amount of bakery yeast, has a main effect on the performance of yeast-based MFCs. Almost 70% of TOC removal was achieved under optimum reaction conditions.

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应用响应面方法在酵母微生物燃料电池中生成生物能源
微生物燃料电池(MFC)为废水能源化提供了一种解决方案。含有抗生素土霉素(OTC)的废水经酵母型 H 型 MFC 处理后可获得生物能源。研究了酵母数量、初始 OTC 浓度和阳极室中 NaCl 浓度的影响,并通过 Box-Behnken 设计统计确定了最佳运行条件。在阳极室中使用 3 g L-1 的酵母、0.003 M 的 OTC 溶液和 0.006 M 的 NaCl 时,测得最高发电功率为 219.3 mW m-2。实验发现,最重要的操作参数是初始 OTC 浓度的平方,这一因素以及面包酵母的用量对酵母型 MFC 的性能有主要影响。在最佳反应条件下,TOC 的去除率接近 70%。
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来源期刊
RSC Advances
RSC Advances chemical sciences-
CiteScore
7.50
自引率
2.60%
发文量
3116
审稿时长
1.6 months
期刊介绍: An international, peer-reviewed journal covering all of the chemical sciences, including multidisciplinary and emerging areas. RSC Advances is a gold open access journal allowing researchers free access to research articles, and offering an affordable open access publishing option for authors around the world.
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