Author:
Liu Liang,Hou Qinjia,Qing Mengxia,Wang Xun,Liu Zenghui,Long Yutian
Abstract
Abstract
In order to explore the formation mechanism of pyrolysis products of rubber wood, the pyrolysis characteristics of rubber wood at different heating rates were investigated by thermogravimetric analyzer (TG), and the pyrolysis behavior and distribution of pyrolysis products of rubber wood at 400, 600 and 800 °C were further analyzed by py GC / MS. The results showed that with the increase of heating rate, the heat transfer hysteresis of rubber wood pyrolysis occurred. The pyrolysis products of rubber wood mainly include acids, phenols, ketones, aldehydes and aromatic hydrocarbons. At 400 °C, the yields of phenols and aldehydes reach the maximum. At 600 °C, the yields of toluene, ethylbenzene and olefins increase, while the yields of phenols and aldehydes decrease. At 800 °C, the yields of phenols and aldehydes increase slightly. At the same time, the contents of polycyclic aromatic hydrocarbons increase with the increase of temperature, and reach the maximum at this time.
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