Improved Caustic Scrubber

Chloride Poisoning of Iron–Copper Fischer–Tropsch Catalysts.

“…The catalyst-testing apparatus was essentially the same as that previously described (1,12) except that a caustic scrubber (8) for carbon dioxide was introduced into the system between the back-pressure regulator and the charcoal traps. The contractions measured, therefore, Were carbon dioxide-free contractions.…”