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Optimization of biohydrogen production using acid pretreated corn stover hydrolysate followed by nickel nanoparticle addition
Sun, Yong1,2; Wang, Yunshan3; Yang, Gang3; Sun, Zhi4
2020-03-10
Source PublicationINTERNATIONAL JOURNAL OF ENERGY RESEARCH
ISSN0363-907X
Volume44Issue:3Pages:1843-1857
AbstractThe dilute acid hydrolysis using corn stover (CS) to produce reducible sugars was optimized by the response surface methodology. The electron-equivalent balances of the main metabolites during the dark fermentation (DF) using acid hydrolysate were investigated to identify the evolutions of the electron sinks over the course of DF. The additions of nickel ion and Ni-0 nanoparticles (NPs) were found to effectively enhance the hydrogen production at experimental conditions. The optimal condition (HCl 2.5 wt%, hydrolyzing duration 105 minutes, pH=5, S/B=3.5, Ni-0 NPs=10 mg/L-1) was achieved with Y-H2/S reaching 1.18 (mol.mol(-1)-glucose). The Y-H2/S increased from 0.7 (mol.mol(-1)-glucose) to 1.18 (mol.mol(-1)-glucose) reaching 40% hydrogen yield increase when Ni-0 NPs was added to the fermentation broth. Among the investigated significant soluble metabolites, the butyric acid was found to serve as the largest e-sink in the electron-equivalent balance. The additions of Ni-0 NPs at low level (below 10 mg/L) were found to appreciably increase the hydrogen production. The increased pH and substrate to biomass ratio were found to skew the metabolic balance from hydrogen production to the biosynthesis (an increase of biomass). The proposed anaerobic digestion model with consideration of the inhibitory factors model presents a good agreement with the experimental data. The chemical addition such as nickel ions, Ni-0 NPs was found to be a practical approach in enhancing biohydrogen production using CS acid hydrolysate as cultivation broth.
Keywordacid hydrolysate corn stover kinetic modeling nickel nanoparticle optimization
DOI10.1002/er.5030
Language英语
WOS KeywordSUGARCANE BAGASSE HYDROLYSATE ; IRON-BASED CATALYST ; HYDROGEN-PRODUCTION ; ACTIVATED CARBON ; BIO-HYDROGEN ; WASTE-WATER ; INITIAL PH ; RICE STRAW ; FERMENTATION ; DARK
WOS Research AreaEnergy & Fuels ; Nuclear Science & Technology
WOS SubjectEnergy & Fuels ; Nuclear Science & Technology
WOS IDWOS:000513282000031
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39509
Collection中国科学院过程工程研究所
Corresponding AuthorSun, Yong
Affiliation1.Edith Cowan Univ, Sch Engn, 270 Joondalup Dr, Joondalup, WA 6027, Australia
2.Univ Nottingham, Dept Chem & Environm Engn, Ningbo, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Proc, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Sun, Yong,Wang, Yunshan,Yang, Gang,et al. Optimization of biohydrogen production using acid pretreated corn stover hydrolysate followed by nickel nanoparticle addition[J]. INTERNATIONAL JOURNAL OF ENERGY RESEARCH,2020,44(3):1843-1857.
APA Sun, Yong,Wang, Yunshan,Yang, Gang,&Sun, Zhi.(2020).Optimization of biohydrogen production using acid pretreated corn stover hydrolysate followed by nickel nanoparticle addition.INTERNATIONAL JOURNAL OF ENERGY RESEARCH,44(3),1843-1857.
MLA Sun, Yong,et al."Optimization of biohydrogen production using acid pretreated corn stover hydrolysate followed by nickel nanoparticle addition".INTERNATIONAL JOURNAL OF ENERGY RESEARCH 44.3(2020):1843-1857.
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