Torrefaction of pelletized corn residues with wet flue gas

被引：55

作者：

Onsree, Thossaporn ^{[1
]}

Tippayawong, Nakorn ^{[1
]}

Williams, Travis ^{[2
]}

McCullough, Katie ^{[2
]}

Barrow, Elizabeth ^{[2
]}

Pogaku, Ravindra ^{[2
]}

Lauterbach, Jochen ^{[2
,3
]}

机构：

[1] Chiang Mai Univ, Dept Mech Engn, Chiang Mai 50200, Thailand

[2] Univ South Carolina, Dept Chem Engn, Columbia, SC 29201 USA

[3] Univ South Carolina, South Carolina Ctr Econ Excellence Strateg Approa, Columbia, SC 29201 USA

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 285卷

关键词：

Corn residues; Fixed bed reactor; Pellet fuel; Torrefaction; Wet flue gas; RAMAN-SPECTROSCOPY; BIOMASS TORREFACTION; CELL-WALL; COAL; COMBUSTION; PYROLYSIS; QUALITY; INERT; CHAR; OIL;

D O I：

10.1016/j.biortech.2019.121330

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Corn residue pellets were torrefied with wet flue gas, simulated by steam (0-21% v/v), CO2 (12% v/v), and O-2 (4% v/v), balanced with N-2 as reactive gas, in a fixed bed reactor at 260 degrees C of temperature and at 10-40 min of residence time. The distribution and yields of torrefied pellets, liquid, and gas products were examined. The microstructural changes of torrefied pellets were evaluated by Raman spectroscopy and scanning electron microscopy, while the components of gas products were analyzed by mass spectrometry. Residence time and steam concentration in the reactive gas were found to have significant effects on the products yield distribution, the porosity of the torrefied pellets, and the concentrations of CO, CH4, H-2, and CO2 in the gas products. At high steam concentrations, the decomposition reaction of hemicellulose and lignin in the raw pellets, and the formation of the graphene structures in torrefied pellets occurred faster.

引用

页数：8

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