Improvement of Organic Loading Rate on Hydrogen Production Using Continuous Stirred Tank

Jian Hui Zhao; Ning Li; Yong Feng Li

doi:10.4028/www.scientific.net/AMR.805-806.1382

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Improvement of Organic Loading Rate on Hydrogen...

Improvement of Organic Loading Rate on Hydrogen Production Using Continuous Stirred Tank

Abstract:

The influence of organic loading rates (OLRs) on the production of fermentation hydrogen was investigated in a continuous stirred tank reactor (CSTR) with brown sugar water as the fermentation substrate, and sewage sludge as the initiation of reaction. Six OLRs were examined, ranging from 12 kg/m3·d to 32 kg/m3·d. The biogas and hydrogen production rates continuously increased with increasing OLR (12 kg/m3·d to 32 kg/m3·d).It reached a maximum production rate of 18.6L/d and a hydrogen production rate of 6.4L/d at OLR= 32 kg/m3·d. Compared with the initial 12kg/m3·d, gas production improved by 89% and 87%, respectively. During system operation, the reactor could maintain a high hydrogen production rate of ethanol-type fermentation by adding a certain amount of NaOH in the reactor to regulate the pH level.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

1382-1386

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.1382

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Online since:

September 2013

Authors:

Jian Hui Zhao, Ning Li, Yong Feng Li

Keywords:

CSTR, Ethanol-Type Fermentation, Fermentation Hydrogen, OLRs

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