Evaluation of Characterization During Start-up of Anaerobic Digestion Via Various Seeding Methods | Zendy

Chae-Young Lee | Zendy; Sun-Kee Han | Zendy

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Evaluation of Characterization During Start-up of Anaerobic Digestion Via Various Seeding Methods

Author(s) -

Chae-Young Lee,

Sun-Kee Han

Publication year - 2016

Publication title -

journal of hydrogen and new energy

Language(s) - English

Resource type - Journals

eISSN - 2288-7407

pISSN - 1738-7264

DOI - 10.7316/khnes.2016.27.5.533

Subject(s) - propionate , anaerobic digestion , butyrate , chemistry , digestion (alchemy) , food science , food waste , volatile fatty acids , anaerobic exercise , composition (language) , hydrogen , yield (engineering) , hydrogen production , production rate , methane , rumen , biochemistry , chromatography , biology , organic chemistry , fermentation , materials science , physiology , engineering , industrial engineering , ecology , linguistics , philosophy , metallurgy

>> This study was performed to evaluate the characteristics of start-up of anaerobic digestion from food waste with different inoculum ratios. The hydrogen yield was similar with different inoculum ratios. The hydrogen production rate increased with increasing inoculum ratio. But the specific hydrogen production rate decreased with increasing inoculum ratio. Total volatile fatty acids composition analysis showed that butyrate and acetate were the prevalent products in all reactors, followed by lactate and propionate. The acetate was most prevalent product in reactors at X0/S0=0.080 and 0.159. But in reactors at X0/S0=0.239 and 0.318, butyrate accounted for greater than 50% of the total volatile fatty acids.

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