Effect of acid, heat and combined acid-heat pretreatments of anaerobic sludge on hydrogen production by anaerobic mixed cultures

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- 바이오정밀화학
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  2. 화학제품
  3. 연료
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논문

Effect of acid, heat and combined acid-heat pretreatments of anaerobic sludge on hydrogen production by anaerobic mixed cultures

학술지

International journal of hydrogen energy

저자명

Assawamongkholsiri, T.; Reungsang, A.; Pattra, S.

초록

Activated sludge (AS) from wastewater treatment plant of brewery industry was used as substrate for hydrogen production by anaerobic mixed cultures in batch fermentation process. The AS (10% TS) was pretreated by acid, heat and combined acid and heat. Combined acid- heat treatment (0.5% (w/v) HCl, 110 <SUP>o</SUP>C, 60 min) gave the highest soluble COD (sCOD) of 1785.6 +/- 27.1 mg/L with the highest soluble protein and carbohydrate of 8.1 +/- 0.1 and 38.5 +/- 0.8 mg/L, respectively. After the pretreatment, the pretreated sludge was used to produce hydrogen by heat treated upflow anaerobic sludge blanket (UASB) granules. A maximum hydrogen production potential of 481 mL H<SUB>2</SUB>/L was achieved from the AS pretreated with acid (0.5% (w/v) HCl) for 6 h.

발행연도

2013

발행기관

Pergamon Press ; Elsevier Science Ltd

ISSN

0360-3199

ISSN

1879-3487

권

호

페이지

pp.6146-6153