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Effect of Heat Treatment on Biohydrogen Production from Food Waste  

Lee, Chae-Young (Department of Civil Engineering, The University of Suwon)
Park, In-Geun (Department of Civil Engineering, The University of Suwon)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.18, no.1, 2010 , pp. 81-88 More about this Journal
Abstract
Characteristic of hydrogen production was investigated to find the optimum heat pretreatment conditions for the anaerobic fermentation of food waste. The heat pretreatment of food waste enhanced the hydrogen yield due to the increase of soluble chemical oxygen demand (SCOD) and carbohydrate content. This result revealed that the maximum degrees of disintegration of SCOD and carbohydrate content were 55.1% and 223.6%, respectively. On the other hand, the improvement of hydrogen yield was insignificantly affected by heating reaction time at longer than 20 min; the increase of hydrogen yield was only about 7% between 20min and 1 hour. Therefore, the increase of reaction time more than 20min was not necessary.
Keywords
Food waste; Hydrogen Fermentation; Heat treatment; Disintegration;
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