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Perspective on anaerobic digestion for biomethanation in cold environments

Title
Perspective on anaerobic digestion for biomethanation in cold environments
Author
전병훈
Keywords
Anaerobic digestion; Biomethane; Psychrophilic anaerobes; Cold-adapted proteins; Cold-adapted lipid; Membrane fluidity
Issue Date
2019-04
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
RENEWABLE & SUSTAINABLE ENERGY REVIEWS, v. 103, Page. 85-95
Abstract
The anaerobic digestion (AD) has become an important part of the wastewater treatment plants that regulates the sustainable management of organic wastes with simultaneous production of bioenergy. AD at low temperatures using psychrophilic anaerobes with optimum growth temperatures < 20 degrees C has gained significant attention for improvement of biogas productivity in cold regions. The present review discusses the detailed characteristics of psychrophilic anaerobes, and how the properties of those particular psychrophiles can be utilized towards the cost-effective production of methane at cold environment. The different challenges for AD at low temperature have been described thoroughly. The various strategies such as (a) adaptation of microbial community, (b) optimization of operational parameters, (c) utilization of specialized biodigester design, and (d) modification of downstream process to improve the AD and biomethane production in cold environments have also been summarized. The present review proposes the future technological developments which should be aimed at effective performance of anaerobic digesters to improve biomethanation in cold regions.
URI
https://www.sciencedirect.com/science/article/pii/S1364032118308293?via%3Dihubhttp://repository.hanyang.ac.kr/handle/20.500.11754/110982
ISSN
1364-0321
DOI
10.1016/j.rser.2018.12.034
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING(자원환경공학과) > Articles
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