Alumina having bimodal pore structure, catalysts made...

Alumina isomerization process

Alumina source for non-zeolitic molecular sieves

Aluminum passivation process

Aluminum stearate and/or acetate antifoulants for refinery opera

Ammonia contacting to passivate metals deposited on a cracking c

Ammonium chloride deposit retardation in hydrocarbon streams by

Amphiphilic phase behavior separation of carboxylic acids/hydroc

Analyzer system for strippable hydrocarbon on FCC catalyst

Anionic grafts of monomers onto coal substrates

Anode grade coke production

Anti-aging additive composition for a quench oil circuit in an e

Antifoam process for delayed coking

Antifoam to achieve high conversion in hydroconversion of heavy

Antifoulant additive for light end hydrocarbons

Antifoulant additives for high temperature hydrocarbon processin

Antifoulant additives for hydrocarbon streams

Antifoulant compositions and methods

Antifoulant control process

Antifoulant control process