화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.33, No.9, 2691-2698, September, 2016
DOI10.1007/s11814-016-0131-5  Export Citation
Characterization of the bio-oil and bio-char produced by fixed bed pyrolysis of the brown alga Saccharina japonica
Jae Hyung Choi, Seung-Soo Kim1, Dong Jin Suh2, Eun-Jung Jang3, Kyung-Il Min3, and Hee Chul Woo†
  • Department of Chemical Engineering, Pukyong National University, 365 Sinseon-ro, Nam-gu, Busan 48513, Korea
  • 1Department of Chemical Engineering, Kangwon National University, 346 Joongang-ro, Samcheok-si, Gangwon-do 25913, Korea
  • 2Clean Energy Research Center, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Korea
  • 3Research Institute of Petroleum Technology, Korea Petroleum Quality & Distribution Authority, 33 Yangcheong 3-gil, Cheongwon-gun, Chungcheongbuk-do 28115, Korea
E-mail:
Brown alga Saccharina japonica was pyrolyzed in a fixed bed reactor under conditions intended to maximize the yield of bio-oil and bio-char. The results revealed that the product distribution of bio-oil, bio-char, and gas was considerably influenced by the pyrolysis temperature (430-530 ℃) and holding time (4-10min). The maximum yields of bio-oil and bio-char were approximately 48.4 and 32.3wt%, respectively, when prepared at 450 oC for 8min with a carrier gas flow rate of 2.2 cm/s. The fuel properties of dewatered S. japonica bio-oil (DSB) included higher heating value (HHV), kinematic viscosity, density, moisture and ash content, pH, and flash and pour point. The possibility of blending 5-20 vol% DSB with No. 6 fuel oil (Bunker C oil) was also examined. The physicochemical properties of the bio-char exhibited decreased carbon and HHV, and increased inorganic elements and surface area, with increasing pyrolysis temperature.
Keywords:Fixed Bed Pyrolysis;Saccharina japonica;Bio-oil;Bio-char;Fuel Property
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