Catalytic Cracking of Tar from Biomass Gasification over a HZSM-5-Supported Ni-MgO Catalyst

被引：37
|
作者：
Chen, Guan-Yi [1 ,2 ]
Liu, Cong [1 ,3 ]
Ma, Wen-Chao [1 ,4 ]
Yan, Bei-Bei [1 ,4 ]
Ji, Na [1 ]
机构：
[1] Tianjin Univ, State Key Lab Engines, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China
[2] Tianjin Engn Ctr Biomass Derived Gas & Oil, Tianjin 300072, Peoples R China
[3] Tianjin Univ, Architectural Design Res Inst, Tianjin 300073, Peoples R China
[4] Tianjin Univ, Minist Educ, Key Lab Efficient Utilizat Low & Medium Grade Ene, Tianjin 300072, Peoples R China
来源：
ENERGY & FUELS | 2015年 / 29卷 / 12期
基金：
中国国家自然科学基金;
关键词：
TEMPERATURE FUEL GAS; CRUDE BIO-OIL; FAST PYROLYSIS; BED; TRANSFORMATION; HYDROCARBONS; ELIMINATION; CONVERSION; COMPONENT; DOLOMITE;
D O I：
10.1021/acs.energyfuels.5b00830
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The catalytic cracking of tar derived from biomass gasification was investigated, focusing on the catalyst performance of HZSM-5 (Si/Al = 25) loading with Ni or Ni and MgO, which was pre-calcined and reduced at 500 degrees C. The catalysts were characterized using X-ray diffraction (XRD), transmission electron microscopy (TEM), and temperature-programmed desorption (TPD). The liquid and gaseous products were analyzed by gas chromatography-mass spectrometry (GC-MS) and gas chromatography (GC). The results showed that the catalytic activity of Ni-MgO/HZSM-5 was better than that of Ni/HZSM-5. When the loadings of Ni and MgO (mass %) were 6 and 2 wt %, respectively, tar conversion attained 91.03 wt % and the heating value of gas released reached 7.64 MJ/Nm(3). Ni-MgO/HZSM-5 showed a stronger resistance to carbon deposition (11.69 wt %).
引用
收藏
页码：7969 / 7974
页数：6
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