The characteristics of bio-oil produced from the pyrolysis of three marine macroalgae
- Authors
- Bae, Yoon Ju; Ryu, Changkook; Jeon, Jong-Ki; Park, Junhong; Suh, Dong Jin; Suh, Young-Woong; Chang, Daejun; Park, Young-Kwon
- Issue Date
- Feb-2011
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Macroalgae; Pyrolysis; Laminaria japonica; Porphyra tenera; Undaria pinnatifida
- Citation
- BIORESOURCE TECHNOLOGY, v.102, no.3, pp.3512 - 3520
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIORESOURCE TECHNOLOGY
- Volume
- 102
- Number
- 3
- Start Page
- 3512
- End Page
- 3520
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/169101
- DOI
- 10.1016/j.biortech.2010.11.023
- ISSN
- 0960-8524
- Abstract
- The pyrolysis of two brown macroalgae (Undaria pinnatifida and Laminaria japonica) and one red macroalgae (Porphyra tenera) was investigated for the production of bio-oil within the temperature range of 300-600 degrees C. Macroalgae differ from lignocellulosic land biomass in their constitutional compounds and high N, S and ash contents. The maximum production of bio-oil was achieved at 500 degrees C. with yields between 37.5 and 47.4 wt.%. The main compounds in bio-oils vary between macroalgae and are greatly different from those of land biomass, especially in the presence of many nitrogen-containing compounds. Of the gaseous products. CO2 was dominant, while C-1-C-4 hydrocarbons gradually increasing at 400 degrees C and above. The pretreatment of macroalgae by acid washing effectively reduced the ash content. The pyrolysis of macroalgae offers a new opportunity for feedstock production; however, the utilization of bio-oil as a fuel product needs further assessment.
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