Journal
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
Volume 11, Issue -, Pages 326-333Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.algal.2015.07.015
Keywords
Adsorption; Algal hydrolysate (AH); Hydrogen; Hybrid immobilized cells (H-IC); 5-HMF
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Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [2014R1A2A2A04005475]
- National Research Foundation of Korea [2014R1A2A2A04005475] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study dealt with a new approach for the removal of 5-hydroxy methyl furfural (5-HMF) from dilute acid pretreated red algal hydrolysate using hybrid immobilized cells along with the generation of H-2 as energy carrier. Under batch conditions, the peak 5-HMF removal of 1.6 g/L (100% removal) and hydrogen production rate of 1.48 L/L-d were obtained at 50% (v/v) algal hydrolysate content which is equivalent to 16.6 g sugar/L. Beyond the content, only the 5-HMF removal has been taken place, but the hydrogen production has been inhibited significantly. Further, an anaerobic sequencing batch operation performed using the optimal 50% AH concentration showed a stable hydrogen production rate and yield of 4.8 L/L-d and 2.40 mol/mol hexose(utilized) respectively. (C) 2015 Elsevier B.V. All rights reserved.
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