Recovery of elemental sulfur from gases

Recovery of ethane and ethylene from gaseous mixtures

Recovery of gaseous components from scrubbing liquid

Recovery of gases from non-viscous solvents

Recovery of hydrocarbon components from a hydrocarbon-carrier ga

Recovery of hydrocarbon vapors from air

Recovery of hydrogen and nitrogen from ammonia plant purge gas

Recovery of methacrolein

Recovery of methane from land fill gas

Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarb

Recovery process

Recycle spray gas-liquid contactor

Reduced power input for improved electrostatic precipitation sys

Reducing atmospheric pollution by automatic processing of leakin

Reduction of liquid atomizer droplet size

Reduction of water solids contributions to apparent cotton dust

Reformer-pressure swing adsorption process for the production of

Refueling equipment for aircraft fuel tanks and the like

Regenerable device for scrubbing breathable air of CO.sub.2 and

Regenerating drying system