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다양한 유기성 폐자원을 적용한 바이오 수소 생성 연구 Feasibility of batch anaerobic bio-hydrogen production from different organic wastes

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한국신재생에너지학회 신·재생에너지 신재생에너지 제5권 제4호
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80 - 85 (6page)
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다양한 유기성 폐자원을 적용한 바이오 수소 생성 연구
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    초록·키워드

    The effects of various organic wastes on anaerobic fermentative hydrogen production were studied using enriched mixed microflora in batch tests. Rotten fruit, corn powder and organic wastewater enriched with sulfate (up to 1,000 mg/L) were used for experiments. Maximum hydrogen production (547.1 mL) was observed from rotten apple with initial substrate concentration of 132.2 g COD/L. The experimental result on sulfate enriched organic wastewater indicated that hydrogen production is not adversely influenced by relatively high sulfate concentration. Residual sulfate content remained at 96-98 % after 75 hours of reaction, which showed that no major sulfate reduction was occurred at pH 5.3-5.5 in the reactor. The volatile fatty acid (VFA) fractions produced during the reaction was in the order of butyrate > acetate > propionate in all experiments. The results of this study would be useful for controlling the conditions on fermentative hydrogen production using different feedstocks.

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