Chromatographic hydrogen isotope separation

Chromatographic technique and apparatus

Circuit for ventilating and filtering the medium contained in a

Circulating air scrubber

Clamshell retainer used in hollow fiber membrane devices

Classification and/or grading

Cleaning gas turbine inlet air

Cleaning of high-voltage electrodes in an electrostatic precipit

Cleaning of particulate or mist eliminating apparatus with SO.su

Cleaning process control method for textile barrier filter mater

Cleansing system using treated recirculating air

Close-spaced electrostatic precipitator

Closed loop gas dehydration process and apparatus

Closed loop pollution control system

Closed loop water treating system

Closed loop water treating system and method

Closed-loop thermal regeneration of adsorbents containing reacti

Co-poly (imide ether) copolymer from diaminated polyalkyleneglyc

CO.sub.2 Removal from gaseous streams

CO.sub.2 removal from high CO.sub.2 content hydrocarbon containi