Recovering hydrogen production performance of upflow anaerobic sludge blanket reactor (UASBR) fed with galactose via repeated heat treatment strategy

Periyasamy Sivagurunathan, Parthiban Anburajan, Gopalakrishnan Kumar, Jong Hun Park, Sang Hyoun Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This study evaluated the effect of repeated heat treatment towards the enhancement of hydrogen fermentation from galactose in an upflow anaerobic sludge blanket reactor with the hydraulic retention time of 6 h and the operation temperature of 37 °C. The hydrogen production rate (HPR) and hydrogen yield (HY) gradually increased up to 9.1 L/L/d and 1.1 mol/mol galactose, respectively, until the 33rd day of operation. When heat treatment at 80 °C for 30 min was applied, hydrogen production performance was enhanced by 37% with the enrichment of hydrogen producing bacteria population. The HPR and HY were achieved at 12.5 L/L/d and 1.5 mol/mol hexose, respectively, during further 30 cycles of reactor operation. The repeated heat treatment would be a viable strategy to warrant reliable continuous hydrogen production using mixed culture.

Original languageEnglish
Pages (from-to)207-213
Number of pages7
JournalBioresource Technology
Volume240
DOIs
Publication statusPublished - 2017 Jan 1

Fingerprint

Hydrogen production
Galactose
Hydrogen
sludge
Heat treatment
hydrogen
Reactor operation
Hexoses
Fermentation
Bacteria
Hydraulics
reactor
fermentation
hydraulics
Temperature
bacterium

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Environmental Engineering
  • Renewable Energy, Sustainability and the Environment
  • Waste Management and Disposal

Cite this

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Recovering hydrogen production performance of upflow anaerobic sludge blanket reactor (UASBR) fed with galactose via repeated heat treatment strategy. / Sivagurunathan, Periyasamy; Anburajan, Parthiban; Kumar, Gopalakrishnan; Park, Jong Hun; Kim, Sang Hyoun.

In: Bioresource Technology, Vol. 240, 01.01.2017, p. 207-213.

Research output: Contribution to journalArticle

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