Abstract
Addition of conductive materials to anaerobic sludge systems is an attractive strategy to enhance anaerobic metabolism and methane production. The presence of direct interspecies electron transfer (DIET) in microbial communities is commonly used to improve methane production, while the underlying mechanisms remain under debate. Though DIET has distinct advantages, the interspecies H2/formate transfer in syntrophic metabolism is believed to be the main electron transfer pathway. This chapter presents an overview on fundamental mechanisms on interspecies electron transfer and the boosting effect of some conductive materials in bioengineered system with a particular focus on the improvement in methane production.
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Acknowledgments
This work was supported by Shanghai Science and Technology Committee (No. 19DZ1204900), the Shanghai Pujiang Program (No. 18PJ1400400), the Natural Science Foundation of Shanghai, China (No. 18ZR1401000), and the National Key Research and Development Program of China (No. 2018YFF0215703).
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Xu, H., Liu, Y., Yang, B., Wei, R., Li, F., Wolfgang, S. (2020). Role of Interspecies Electron Transfer for Boosting Methane Production by Anaerobic Digestion in Syntrophic Methanogenesis. In: Shah, M., Banerjee, A. (eds) Combined Application of Physico-Chemical & Microbiological Processes for Industrial Effluent Treatment Plant. Springer, Singapore. https://doi.org/10.1007/978-981-15-0497-6_5
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DOI: https://doi.org/10.1007/978-981-15-0497-6_5
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