Optimization of fermentative biohydrogen production by response surface methodology using fresh leachate as nutrient supplement

Liu, Qiang, Zhang, Xiaolei, Zhou, Yinmei, Zhao, Aihua, Chen, Shanping, Qian, Guangren and Xu, Zhi Ping (2011) Optimization of fermentative biohydrogen production by response surface methodology using fresh leachate as nutrient supplement. Bioresource Technology, 102 18: 8661-8668. doi:10.1016/j.biortech.2011.03.002


Author Liu, Qiang
Zhang, Xiaolei
Zhou, Yinmei
Zhao, Aihua
Chen, Shanping
Qian, Guangren
Xu, Zhi Ping
Title Optimization of fermentative biohydrogen production by response surface methodology using fresh leachate as nutrient supplement
Journal name Bioresource Technology   Check publisher's open access policy
ISSN 0144-4565
0167-5826
0960-8524
1873-2976
Publication date 2011-09-01
Sub-type Article (original research)
DOI 10.1016/j.biortech.2011.03.002
Volume 102
Issue 18
Start page 8661
End page 8668
Total pages 8
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract
Fresh compost leachate was used as a nutrients source to facilitate anaerobic fermentative hydrogen production from glucose inoculated with mixed culture. The optimum condition for hydrogen production was predicted by response surface methodology (RSM). The model showed the maximum cumulative hydrogen volume (469.74 mL) and molar hydrogen yield (1.60 mol H2/mol glucose) could be achieved at 6174.93 mg/L glucose and 3383.20 mg COD/L leachate. According to the predicted optimal condition, four tests were carried out to validate the predicted values and evaluate the leachate’s effect on co-fermentation with juice wastewater. A maximum cumulative hydrogen volume of 587.05 ± 15.08 mL was obtained in co-fermentation test, and the molar hydrogen yield reached 2.06 ± 0.06 mol H2/mol glucose. The co-fermentation of fresh leachate and glucose/juice wastewater was a combination of acetic acid and butyric acid type-fermentation. The results demonstrated that leachate can serve as a nutrients source for biohydrogen production.
Keyword Biohydrogen production
Fresh leachate
Nutrients source
Response surface methodology
Volatile fatty acid
Biological hydrogen-production
Sequencing batch reactor
Mixed culture
Waste-water
Substrate concentration
Starch
pH
Bioreactor
Microflora
Effluent
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Special Issue: "Biofuels-III: Biohydrogen".

 
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