Enhancement of energy recovery from chicken manure by pyrolysis in carbon dioxide
- Authors
- Lee, Jechan; Choi, Dongho; Ok, Yong Sik; Lee, Sang-Ryong; Kwon, Eilhann E.
- Issue Date
- Oct-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Chicken manure; Waste-to-energy; Pyrolysis; Carbon dioxide; CaCO3 catalysis
- Citation
- Journal of Cleaner Production, v.164, pp.146 - 152
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Cleaner Production
- Volume
- 164
- Start Page
- 146
- End Page
- 152
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/190999
- DOI
- 10.1016/j.jclepro.2017.06.217
- ISSN
- 0959-6526
- Abstract
- Herein, pyrolysis of chicken manure is investigated to establish a sustainable platform for the disposal of chicken manure while efficiently recovering energy as a form of syngas. To this end, this study lays great emphasis on the exploitation of CO2 in pyrolysis of chicken manure. As an initial assay for the role CO2 in the pyrolysis process, thermal degradation of chicken manure in N-2 and CO2 is characterized thermogravimetrically. Except the temperature regime (>= 720 degrees C) governed by the Boudouard reaction, the TGA results with chicken manure do not reveal any differences associated with physical aspects such as onset and end temperatures. For in-depth study, pyrogenic products generated from pyrolysis of chicken manure in N-2 and CO2 are characterized. Particularly, an enhanced generation of CO is substantial at temperatures higher than 500 degrees C. This enhanced generation of CO is likely due to an enhanced thermal cracking behavior of volatile organic carbons (VOCs) evolved from pyrolysis.of chicken manure. The enhancement of CO generation is catalytically expedited by biogenic salt such as calcite (CaCO3) in chicken manure. The introduced approach for utilizing CO2 in pyrolysis could be a sustainable option to treat biowaste such as chicken manure along with developing an effective waste-to-energy strategy.
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