Deasphalting tar using stripping tower

Decoking apparatus

Decoking apparatus

Deep conversion combining the demetallization and the...

Device for continuous sampling, especially in a distillation col

Device for recovering oil products from oil sands

Device for recovery of excess gas in an oil/gas treatment plant

Diluent substitution apparatus

Door for a vehicle

Door opening and closing mechanism

Draw rate signal generator

Electrical heating apparatus for removing vaporizable impurities

Facility for distilling a liquid product

Flash zone draw tray for coker fractionator

Fluid recovery system

Fluid vacuum distillation system

Fractional distillation column pumparound heat removal control

Fractionation column for reclaiming used lubricating oil

Fractionation method and apparatus

Fractionator having reduced product vapor condensation in the fl