Recovery of BF.sub.3 from olefin oligomer process
Recovery of boron trifluoride from a hydrocarbon liquid
Recovery of tertiary butyl alcohol
Recycle of DME in an oxygenate-to-olefin reaction system
Recycling oxygenate-rich streams in oxygenate-to-olefin...
Reducible metal oxide compositions containing zirconium
Reducing deleterious effects of aldehydes in oxygenates to...
Reducing temperature differences within the regenerator of...
Reduction in carbon oxides in oxidative pyrolysis of halogenated
Reduction of total sulfur in crude and condensate cracking
Reductive dehalogenation of organic halogen compounds
Regeneration of methanol/methyl ether conversion catalysts
Regeneration of reduced metal oxide oligomerization catalyst
Regeneration of reduced supported chromium oxide catalyst for al
Regeneration temperature control in a catalytic reaction system
Rejuvenating SAPO molecular sieve by freeze drying
Rejuvenating SAPO molecular sieve with anhydrous liquid or...
Removal of catalyst fines from a reaction system
Removal of catalyst residues from a gas
Restructuring of olefins