Demetallization process for a conversion catalyst

Demetallizing and decarbonizing heavy residual oil feeds

Denitrogenating and upgrading of high nitrogen containing hydroc

Desulfurization and hydroconversion of residua with alkaline ear

Desulfurization and hydroconversion of residua with sodium hydri

Desulfurizing in a delayed coking process

Dewaxing and upgrading of raw shale oils

Dewaxing catalyst based on tin containing materials

Dewaxing catalysts and processes employing non-zeolitic molecula

Dewaxing catalysts and processes employing titanoaluminosilicate

Dewaxing process employing a catalyst with a highly dealuminated

Dewaxing process using zeolite SSZ-25

Dewaxing with nickel-silicalite catalyst

Diesel fuel production

Diluent from heavy oil upgrading

Direct conversion of residual oils

Direct feed/effluent heat exchange in fluid catalytic cracking

Discarded FCC equilibrium catalyst through reclamation

Disengager stripper

Dispersed catalyst cracking with methanol as a coreactant