Method and apparatus for using peroxide and alkali to...

Method and apparatus for wax deoiling

Method and apparatus for withdrawal of small catalyst...

Method and apparatus of emergency interruption for slurry...

Method and apparatus to improve circulation control in...

Method and apparatus to improve secondary froth quality...

Method and article for distributing air in a regenerator

Method and catalyst for producing a crude product having a...

Method and catalyst for producing a crude product having a...

Method and catalyst for producing a crude product having a...

Method and catalyst for removing mercaptans and mercaptide...

Method and catalysts for the elimination of sulfur compounds...

Method and composition for neutralizing acidic components in...

Method and compositions for inhibition of naphthenic acid...

Method and corresponding device for treating tar sands or...

Method and device for descending catalytic cracking by...

Method and device for extracting liquids from a solid...

Method and device for fluid catalytic cracking of...

Method and device for preparing a fluid hydrocarbon product...

Method and device for purifying contaminated liquids