Desulphurisation

Desulphurisation using solid sorbents

Desulphurization catalysts and their use

Desulphurization treatment

Detection of catalyst by-passing in fixed bed naphtha reformer

Determination of aromatics in hydrocarbons by near infrared spec

Determination of aromatics in hydrocarbons by near infrared spec

Device for distributing a poly-phase mixture over a bed of a...

Device that comprises recycling to a separator a liquid...

Dewatering of petroleum-containing sludges with recovery of the

Dewatering water-wet particles and blending the particles in a l

Dewaxing and upgrading of raw shale oils

Dewaxing and wax filterability by reducing scraper speed in scra

Dewaxing by a combination centrifuge/catalytic process including

Dewaxing catalyst based on tin containing materials

Dewaxing catalysts and processes employing non-zeolitic molecula

Dewaxing catalysts and processes employing silicoaluminophosphat

Dewaxing catalysts and processes employing titanoaluminosilicate

Dewaxing over crystalline indium silicates containing groups VII

Dewaxing process