Control of a hydrofining process for hydrocarbon-containing feed

Controlling H.sub.2 S in fuel oils

Conversion process of hydrocarbon oils

Countercurrent desulfurization process for refractory...

Countercurrent hydroprocessing with treatment of feedstream...

Cyclic process for hydrotreating petroleum feedstocks

De-sulfurization of petroleum residues using melt of alkali meta

Deep desulfurization of distillate fuels

Deep desulfurization of FCC gasoline at low temperatures to maxi

Deep hydrodesulfurization of hydrocarbon feedstreams

Dehydroxylation and/or demercaptolation of heavy petroleum oils

Demetalation and desulfurization of oil in separate catalytic zo

Demetallization and desulfurization of petroleum feed-stocks wit

Denitrification by furfural-ferric chloride extraction of a hydr

Desulfurization and aromatic saturation of feedstreams containin

Desulfurization and aromatic saturation of feedstreams...

Desulfurization and hydrocarbon quality enhancement process

Desulfurization and novel compositions for same

Desulfurization and novel methods for same

Desulfurization and novel sorbents for same