Abstract
Research about exploitation the potential of waste and sludge increased drastically in the recent years. One of the most promising alternative methods of waste management is Microbial Fuel Cell (MFC), which generate clean bio-electricity using microorganisms. Organic compounds, sewage, municipal solid waste could be used as a source for microbial nutrition. The construction of MFC is one of the most important parameter in laboratory studies and during scale-up. The efficiency of MFC depends on many factors including type of membrane. To obtain optimization in terms of various operating conditions, a prototype of Microbial Fuel Cell with exchangeable membrane was projected and fabricated by additive manufacturing (AM) technology. This novel device allows to research effects of different types of separator membranes. Preliminary research showed possibility to produce 3D printed MFC systems.
Highlights
According to the increasing electrical energy demand, resource limitation and environmental pollution, there is common consensus to use renewable energy sources instead of fossil fuels
The results indicated that it is possible to realize the electricity generation by Microbial Fuel Cell (MFC)
MFC could be used as biosensors and to produce secondary fuels
Summary
According to the increasing electrical energy demand, resource limitation and environmental pollution, there is common consensus to use renewable energy sources instead of fossil fuels. It is possible thanks to microorganism oxidizing organic matter in anodic compartment and transferring electron on closely located electrode while protons are being released to solution In double compartment MFC systems consist of an anodic and cathodic chamber separated by proton exchange membrane, which allow proton transfer, while disallow diffusion of oxygen into anode. This type of construction is commonly used to waste treatment in lab-scale evaluation. Power generation in microbial fuel cells (MFCs) is a function of the surface areas of the proton exchange membrane (PEM) and the cathode relative to that of the anode. High degree of design freedom, utilizing flexible, thermo-plastic materials (filaments) allow to precise manufacturing of bioreactor surface with a high surface area and with a variety of shapes and sizes
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