Bio-oil from the pyrolysis of palm and Jatropha wastes in a fluidized bed

被引:108
作者
Kim, Sung Won [1 ]
Koo, Bon Seok [2 ]
Ryu, Jae Wook [1 ]
Lee, Joon Sik [1 ]
Kim, Cheol Joong [1 ]
Lee, Dong Hyun [2 ]
Kim, Gyung Rok [1 ]
Choi, Sun [1 ]
机构
[1] SK Innovat, Global Technol, Taejon 305712, South Korea
[2] Sungkyunkwan Univ, Dept Chem Engn, Suwon 440746, South Korea
关键词
Pyrolysis; Biomass; Fluidized bed; Bio oil; Jatropha; Palm; CATALYTIC FAST PYROLYSIS; HEAT-TRANSFER; BIOMASS; MECHANISM; YIELD;
D O I
10.1016/j.fuproc.2012.05.002
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The pyrolysis of Jatropha seedshell cake (JSC), palm kernel shell (PKS) and empty palm fruit bunches (EFB), as waste from the palm and Jatropha oil industries, was investigated in a fluidized bed (0.102 m id., 0.97 m-high). The effects of bed temperature and gas flow rate on the product yields and properties of pyrolytic liquid have been determined. The pyrolytic liquid product and fractionated oil yields of JSC were maximized at 48 wt.% and 32 wt.% with increase of bed temperature. Gas velocities of 8-9 U-mf led to maximized pyrolytic liquid yield by balancing yield-increasing by much vigorous bubbling and bed mixing in fluidized bed reactor and yield-decreasing by reduction of heat transfer coefficient with increase of gas velocity. The pyrolytic oils from the wastes are characterized by more oxygen, lower HHVs, more nitrogen and less sulfur than petroleum fuel oils. The oils from JSC and PKS contained more fatty acid and glycerides than other oils from lignocellulose biomass such as the EFB, which contained more phenolic derivatives. The finding indicates that they were similar to palm fatty acid distillate from palm oil and could be used as alternative feedstocks for biodiesel production using hydrotreating process. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:118 / 124
页数:7
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