Gasification Behaviors Of Biomass With Vanadium Titanomagnetite As Oxygen Carrier

Gasification behaviors of biomass using vanadium titanomagnetite (VTM) as oxygen carrier was studied in this paper. Effects of temperature and presence of VTM on the gasification rate of C and H, and syngas components were investigated. The results of biomass gasification without VTM showed that the gasification rate of C and H increased from 24.8 and 34.8% to 42.5 and 54.8%, and the proportion of CO and H-2 in syngas increased from 34.9 and 2.6% to 40.4 and 5.2%, respectively, as the temperature increased from 700 to 1000 degrees C. When the VTM was added in biomass gasification at 1000 degrees C, the gasification rate of C and H and proportion of CO increased by 14.8%, 10.2%, and 14.0%, respectively. The VTM promoted the cracking of tar, and the lattice oxygen participated in biomass gasification. Meanwhile, the iron metallization ratio and reduction degree were 82.6% and 90.1%.