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Effect of Substrate Concentration on Photo-Fermentation Bio-Hydrogen Production Process from Starch-Rich Agricultural Leftovers under Oscillation
Sustainability ( IF 3.9 ) Pub Date : 2020-03-30 , DOI: 10.3390/su12072700 Haorui Zhang , Jiaolin Li , Quanguo Zhang , Shengnan Zhu , Shuai Yang , Zhiping Zhang
Sustainability ( IF 3.9 ) Pub Date : 2020-03-30 , DOI: 10.3390/su12072700 Haorui Zhang , Jiaolin Li , Quanguo Zhang , Shengnan Zhu , Shuai Yang , Zhiping Zhang
China has plenty of starch-rich agricultural leftovers, which can be degraded and further utilized for biogas production. Potato, which has more and more cultivated areas, was taken as a substrate. The pH, OD 540 , biogas yield, hydrogen yield, biogas production rate, and hydrogen production rate were determined to evaluate the effect of substrate concentration on the photo-fermentation bio-hydrogen production process under an oscillation condition. Results showed that the photo-fermentation period was extended to 264 h under oscillation, which was two times longer than the static condition. It was found that 8 g per 100 mL fermentation broth was the most suitable substrate concentration under oscillation, the cumulative hydrogen yield was 510 mL VS −1 , and the hydrogen content was 38.36%.
更新日期：2020-03-30
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