105255 ⎘
Working-up tar; Refining by chemical means inorganic or organic compounds refining in the presence of hydrogen
Pyrolysis tar conversion
#2Pyrolysis tar conversion
#3Demetallization of hydrocarbons
#4Upgrading pyrolysis tar
#5Process for producing mesophase pitch by hydrogenation of high-temperature coal tar
#6HYDROTREATED HYDROCARBON TAR, FUEL OIL COMPOSITION, AND PROCESS FOR MAKING