Comparison of Electricity Generation of Food Waste via Anaerobic Processes: A Mini-Review

Ngoc Bao Dung THI

Authors

Ngoc Bao Dung THI Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City

Keywords:

naerobic digestion, Anaerobic process, Bioenergy, Fermentation, Food waste, Bio-H2, Bio-CH4

Abstract

Three biological methods, of anaerobic digestion (AD) (Method I), fermentation for bio-hydrogen (Method II), and fermentation for bio-hydrogen and bio-methane (Method III), were reviewed and evaluated for the capacity of bioenergy conversion from food waste (FW) at real scale based on some case studies. AD could give the highest energy benefits, and is the most suitable method for the commercialization of FW treatment, with 220 kWh/ton FW in comparison with the 12.5 and 51.3 kWh/ton FW of Method II and Method III, respectively. Furthermore, FW treatment-based AD has been proven to play a primary role in the electricity industry, with high potential and economic benefits. FW treatment via anaerobic processes for bioenergy usage is expected to be an ideal renewable energy in the future. The results reveal that China, India, and the United States could commercialize bioenergy use by converting the annual amount of FW via AD to produce 42,900 GWh/year, 15,830 GWh/year, and 13,387 GWh/year of electricity annually, respectively.

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Author Biography

Ngoc Bao Dung THI, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City

Faculty of Environment and Labour Safety

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