Method of foreseeing break-through in gas adsorbing apparatus

Details Method of foreseeing break-through in gas adsorbing apparatus Method of foreseeing break-through in gas adsorbing apparatus

1987-08-05

1989-04-11

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 71, 55 74, B01D 5304

Patent

active

048203165

ABSTRACT:
In a method of foreseeing or detecting break-through of a gas in a gas-adsorbing apparatus utilizing a gas-adsorbing material, the improvement in which the break-through is foreseen or detected by detecting a weight of the gas adsorbed by the gas-adsorbing material. When the gas to be detected contains boron trichloride, the break-through can be foreseen or detected by detecting a color change of a detecting agent such as 1,1'-dianthrimide or a combination of caraminic acid, hydrochloric acid and sulfuric acid, the detecting agent being arranged in a lower stream following the gas-adsorbing material and which shows a color change upon contact with boron trichloride.

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