Cellulose nanocrystals coated with a tannic acid-Fe3+ complex as a significant medium for efficient CH4 microbial biotransformation
SCIE
SCOPUS
- Title
- Cellulose nanocrystals coated with a tannic acid-Fe3+ complex as a significant medium for efficient CH4 microbial biotransformation
- Authors
- Na, Jeong-Geol; Kim, Min Sik; Je, Hwa Heon; Kang, Eungsu; Moon, Eunjoo; HWANG, DONG SOO; Choi, Yoo Sung
- Date Issued
- 2021-04-15
- Publisher
- ELSEVIER SCI LTD
- Abstract
- Microbial biotransformation of CH4 gas has been attractive for the production of energy and high-value chemicals. However, insufficient supply of CH4 in a culture medium needs to be overcome for the efficient utilization of CH4. Here, we utilized cellulose nanocrystals coated with a tannic acid-Fe3+ complex (TA-Fe3+CNCs) as a medium component to enhance the gas-liquid mass-transfer performance. TA-Fe3+CNCs were well suspended in water without agglomeration, stabilized gas bubbles without coalescence, and increased the gas solubility by 20 % and the k(L)(a) value at a rapid inlet gas flow rate. Remarkably, the cell growth rate of Methylomonas sp. DH-1 as model CH4-utilizing bacteria improved with TA-Fe3+CNC concentration without any cytotoxic or antibacterial properties, resulting in higher metabolite production ability such as methanol, pyruvate, formate, and succinate. These results showed that TA-Fe3+CNCs could be utilized as a significant component in the culture medium applicable as a promising nanofluid for efficient CH4 microbial biotransformation.
- Keywords
- MASS-TRANSFER ENHANCEMENT; CO2 ABSORPTION; GAS-ABSORPTION; METHANE; BIOCONVERSION; VERSATILE; PARTICLES; NANOFLUID; SLURRIES; FUTURE
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/105085
- DOI
- 10.1016/j.carbpol.2021.117733
- ISSN
- 0144-8617
- Article Type
- Article
- Citation
- CARBOHYDRATE POLYMERS, vol. 258, 2021-04-15
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