Characteristics of Pyrolysis Oils from Saccharina japonica in an Auger Reactor
- Characteristics of Pyrolysis Oils from Saccharina japonica in an Auger Reactor
- 서동진; 최재욱; 손덕원; 김화용; 이윤우
- Pyrolysis; Saccharina japonica; Macroalgae; Pyrolysis oil; Auger reactor
- Issue Date
- 청정기술; Clean technology
- VOL 24, NO 1-76
- Pyrolysis of Saccharina japonica in an Auger reactor was conducted by varying the temperature and the auger speed and then physicochemical properties of the S. japonica-derived pyrolysis oil were analyzed. The maximum yield of S. japonica-derived pyrolysis oil (32 wt%) was obtained at a pyrolysis temperature of 412 ℃ and an auger speed of 20 rpm. Due to low carbon content and high oxygen content in the pyrolysis oil, the higher heating value of S. japonica-derived pyrolysis oil was 23.6 MJ kg-1, which was about 60% that of conventional hydrocarbon fuels. By GC/MS analysis, 1,4-Anhydro-d-galactitol, dianhydromannitol, 1-hydroxy 2-propanone and isosorbide were identified as the main chemical compounds of S. japonicaderived
pyrolysis oil. The bio-char has low higher heating value (13.0 MJ kg-1) due to low carbon content and high oxygen content and contains a large amount of inorganic components and sulfur.
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