Jeong, Da-Young Cho, Si-Kyung Shin, Hang-Sik Jung, Kyung-Won 2024-01-20T08:02:38Z 2024-01-20T08:02:38Z 2021-09-05 2015-01 0961-9534 https://pubs.kist.re.kr/handle/201004/125929 When using cellulosic biomass as feedstock for dark fermentative hydrogen production (DFHP), feedstock preparation is essential step for enhancement of biodegradability. In the present work, electric field was newly applied as a novel pretreatment technique to Laminaria japonica, a marine brown algae, as an alternative method for feedstock preparation. A feasibility test was first conducted (20-100 V for 30 min). The highest H-2 yield (93.6 mL H-2 g(-1) dry cell weight (dcw)) was achieved at applied voltage of 60 V, while the performance was decreased from applied voltage of 80-100 V due to increasing formation of hydroxymethylfurfural. Subsequently, electric pretreatment conditions (applied voltage and reaction time) were statistically optimized, and a H-2 yield of 102.7 mL g(-1) dcw was recorded with applied voltage 58.5 V and reaction time 30 min. This was 96.1% of the predicted value. These findings clearly revealed that the application of electric field as pretreatment method has enormous potential as an alternative method for feedstock preparation in DFHP. (C) 2014 Elsevier Ltd. All rights reserved. English PERGAMON-ELSEVIER SCIENCE LTD Application of an electric field for pretreatment of a feedstock (Laminaria japonica) for dark fermentative hydrogen production Article 10.1016/j.biombioe.2014.11.006 1 BIOMASS & BIOENERGY, v.72, pp.184 - 188 BIOMASS & BIOENERGY 72 184 188 scie scopus 000349724100017 2-s2.0-84921508386 Agricultural Engineering Biotechnology & Applied Microbiology Energy & Fuels Agriculture Biotechnology & Applied Microbiology Energy & Fuels Article Dark fermentative H-2 production Electric field Laminaria japonica Feedstock preparation Response surface methodology