Abstract
Microbial fuel cell (MFC) is an attractive renewable and sustainable technology to meet up the drastic energy crisis of the world through waste water treatment. This Bioelectrochemical system (BES) converts biomass spontaneously into electricity by the metabolic activity of microorganisms. Food processing industry generally discharges large volume of wastewater, which creates adverse financial and ecological impacts to the industry and environment. In this present contribution, electricity production from food processing industry wastewater that serves as substrates in MFCs was investigated. Dual chambered mediator-less MFC was designed and fabricated using locally available materials. Performance of the MFC was evaluated by measuring potential parameters, such as current generation, current density, change in pH, and change in chemical oxygen demand at different operating conditions. Polarization experiments were conducted to find the maximum power density. Current generation increased with increasing sludge loading, and maximum results were recorded as 90 µA with 9 g of sludge and optimum pH value 8 in the anode chamber. This study documented a maximum power density of 7.42 mW/m 2 with the corresponding current density of 25 mA/m 2 . Citation: Amin, M. S. A., Talukder, M. J., Raju, R. R., and Khan, M. M. R. (2019). Conversion of Food Processing Waste to Bioenergy: Bangladesh Perspective. Trends in Renewable Energy, 5(1), 1-11. DOI: 10.17737/tre.2019.5.1.0080
Highlights
The severely increased demand of limited fossil energy sources; overwhelming climate changes due to air pollution; and the current escalation of energy cost considerably motivate the research toward searching new alternative energy production approaches
Characterization of the Food Industry Wastewater Several methods were conducted to find out the characteristics of the collected sample wastewater of the well-known food processing industry in Bangladesh
First cell was inoculated with 1g of sludge and the other was operated without the sludge
Summary
The severely increased demand of limited fossil energy sources (i.e., coal, petroleum, and natural gas); overwhelming climate changes due to air pollution; and the current escalation of energy cost considerably motivate the research toward searching new alternative energy production approaches. Like other countries due to the industrial revolution in Bangladesh, dependency and demand of electrical energy are increasing rapidly [1]. A variety of non-environmental friendly by-products such as greenhouse gases and hazardous solid wastes (e.g., radioactive wastes) are readily released to the environment. With this severe energy crisis, wastewater treatment is becoming another big issue for the present world [2,3,4]. Considering the socio-economic condition, we need both the industry and environment.
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