Apparatus for removing vaporized unreacted isocyanate from a...
Apparatus for simultaneous dry desulfurization/denitrification
Apparatus for the catalytic purification of exhaust gases
Apparatus for the prevention of acid gas excursions
Apparatus for treating a gas stream
Apparatus in the form of a disk for the separation of oxygen fro
Apparatus to recover sulfur from concentrated acid gas into...
Apparatus to remove acid gases from a flue gas
Aqueous ammonia injection scheme
Aqueous formaldehyde solutions with a low tetroxane content
Attrition resistant, zinc titanate-containing, reduced...
Autocirculation process and apparatus
Automatic CO.sub.2 removal system and operation thereof
Automatic pH control in a process for removal of hydrogen sulfid
Barrier discharge conversion of Hg, SO.sub.2 and NOx
Barrier discharge conversion of SO.sub.2 and NOx to acids
Barrier discharge conversion of SO.sub.2 and NOx to acids
Base metal oxides oxidation catalyst
Basic zeolites as hydrocarbon traps for diesel oxidation catalys
Bimetallic tungsten/platinum catalysts for lean-burn emissions