Seafood Processing Chitin Waste for Electricity Generation in a Microbial Fuel Cell Using Halotolerant Catalyst Oceanisphaera arctica YHY1

Ranjit Gurav, Shashi Kant Bhatia, Tae-Rim Choi, Hyun-Joong Kim, Hong-Ju Lee, Jang-Yeon Cho, Sion Ham, Min-Ju Suh, Sang-Hyun Kim, Sun-Ki Kim, Dong-Won Yoo and Yung-Hun Yang
Additional contact information
Ranjit Gurav: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Shashi Kant Bhatia: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Tae-Rim Choi: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Hyun-Joong Kim: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Hong-Ju Lee: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Jang-Yeon Cho: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Sion Ham: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Min-Ju Suh: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Sang-Hyun Kim: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
Sun-Ki Kim: Department of Food Science and Technology, Chung-Ang University, Anseong 17546, Korea
Dong-Won Yoo: School of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Korea
Yung-Hun Yang: Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea

Sustainability, 2021, vol. 13, issue 15, 1-9

Abstract: In this study, a newly isolated halotolerant strain Oceanisphaera arctica YHY1, capable of hydrolyzing seafood processing waste chitin biomass, is reported. Microbial fuel cells fed with 1% chitin and 40 g L −1 as the optimum salt concentration demonstrated stable electricity generation until 216 h (0.228 mA/cm 2 ). N-acetyl-D-glucosamine (GlcNAc) was the main by-product in the chitin degradation, reaching a maximum concentration of 192.01 mg g −1 chitin at 120 h, whereas lactate, acetate, propionate, and butyrate were the major metabolites detected in the chitin degradation. O. arctica YHY1 utilized the produced GlcNAc, lactate, acetate, and propionate as the electron donors to generate the electric current. Cyclic voltammetry (CV) investigation revealed the participation of outer membrane-bound cytochromes, with extracellular redox mediators partly involved in the electron transfer mechanism. Furthermore, the changes in structural and functional groups in chitin after degradation were analyzed using FTIR and XRD. Therefore, the ability of O. arctica YHY1 to utilize waste chitin biomass under high salinities can be explored to treat seafood processing brine or high salt wastewater containing chitin with concurrent electricity generation.

Keywords: chitin; electricity generation; halotolerant; microbial fuel cell; seafood processing (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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