Upgrading of high boiling hydrocarbons
Upgrading of pyrolysis tar
Upgrading of pyrolysis tar using acidic catalysts
Upgrading petroleum and residual fractions thereof
Upgrading shale oil
Upgrading shale oil by a combination process
Upgrading shale oil by a combination process
Upgrading waxy distillates and raffinates by the process of hydr
Use of heat exchanger in a process to deasphalt tar