Effect of lignin/silica hybrid addition on the coking behavior of coal-tar pitch
Abstract：The thermal behavior of coal-tar pitch with different lignin/silica hybrid （LSH） contents was studied by thermogravimetric analysis （TGA）. The optical texture and micro-crystal structure of resultant cokes from carbonization of the coal-tar pitch with different LSH contents were characterized by reflected polarized light microscopy and X-ray diffraction（XRD） , respectively. In addition, the microstructure of resultant cokes was investigated using scanning elec- tron microscopy（ SEM） and energy dispersive spectroscopy（EDS）. The results show that the thermal stability of coal- tar pitch increases with the addition of LSH. Moreover, the addition of LSH markedly changes the optical texture and microstructure of resultant cokes.
Keywords：ligninSiO2coal-tar pitchoptical texturecoking
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 336-339 )