Optimization of substrate concentration of dilute acid hydrolyzate of lignocellulosic biomass in batch hydrogen production

Ralph Rolly Gonzales, Periyasamy Sivagurunathan, Anburajan Parthiban, Sang Hyoun Kim

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Lignocellulosic biomass is a promising alternative source for biohydrogen production. Its recalcitrant structure requires physicochemical pretreatment methods, such as dilute acid pretreatment, to utilize the carbohydrates in the biomass for fermentation. This study was aimed to investigate the optimum substrate concentration of dilute acid lignocellulosic hydrolyzate for dark hydrogen fermentation processes. Empty palm fruit bunch, rice husk, and pine tree wood were used as the substrates. The lignocellulosic biomass samples were hydrolyzed and fed to batch hydrogen fermentation after adjustment of substrate concentration of the hydrolyzate solutions to 5, 10, 15, and 20 g/L. The maximum hydrogen production rates were 1510 ± 96 mL H2 L−1 day−1, 1860 ± 245 mL H2 L−1 day−1, and 1629 ± 170 mL H2 L−1 day−1 at 10 g L−1 substrate concentration of empty palm fruit bunch, rice husk, and pine tree wood, respectively. These correspond to hydrogen yields of 0.96 ± 0.04 mol H2 mol−1 sugar, 1.25 ± 0.15 mL H2 mol−1 sugar, and 0.99 ± 0.05 mL H2 mol−1 sugar, respectively. The results indicate that dilute acid pretreated lignocellulosic biomass would be a suitable substrate for fermentative hydrogen production.

Original languageEnglish
Pages (from-to)22-27
Number of pages6
JournalInternational Biodeterioration and Biodegradation
Volume113
DOIs
Publication statusPublished - 2016 Sep 1

Fingerprint

Hydrogen production
Biomass
Hydrogen
hydrogen
substrate
Acids
Sugars
acid
Fermentation
biomass
fermentation
Substrates
sugar
Pinus
Fruits
Fruit
Wood
rice
fruit
Carbohydrates

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Biomaterials
  • Waste Management and Disposal

Cite this

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abstract = "Lignocellulosic biomass is a promising alternative source for biohydrogen production. Its recalcitrant structure requires physicochemical pretreatment methods, such as dilute acid pretreatment, to utilize the carbohydrates in the biomass for fermentation. This study was aimed to investigate the optimum substrate concentration of dilute acid lignocellulosic hydrolyzate for dark hydrogen fermentation processes. Empty palm fruit bunch, rice husk, and pine tree wood were used as the substrates. The lignocellulosic biomass samples were hydrolyzed and fed to batch hydrogen fermentation after adjustment of substrate concentration of the hydrolyzate solutions to 5, 10, 15, and 20 g/L. The maximum hydrogen production rates were 1510 ± 96 mL H2 L−1 day−1, 1860 ± 245 mL H2 L−1 day−1, and 1629 ± 170 mL H2 L−1 day−1 at 10 g L−1 substrate concentration of empty palm fruit bunch, rice husk, and pine tree wood, respectively. These correspond to hydrogen yields of 0.96 ± 0.04 mol H2 mol−1 sugar, 1.25 ± 0.15 mL H2 mol−1 sugar, and 0.99 ± 0.05 mL H2 mol−1 sugar, respectively. The results indicate that dilute acid pretreated lignocellulosic biomass would be a suitable substrate for fermentative hydrogen production.",
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Optimization of substrate concentration of dilute acid hydrolyzate of lignocellulosic biomass in batch hydrogen production. / Gonzales, Ralph Rolly; Sivagurunathan, Periyasamy; Parthiban, Anburajan; Kim, Sang Hyoun.

In: International Biodeterioration and Biodegradation, Vol. 113, 01.09.2016, p. 22-27.

Research output: Contribution to journalArticle

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