adsorption of hydrogen sulfide , methanethiol , methyl sulfide , trimethylamine , and ammonia on thirteen kinds of adsorbents ( 5 kinds of silicate , 4 kinds of activated carbon , and 4 kinds of zeolite ) was measured by gravimetry , at 30 degrees c and 50 torr , using an adsorption apparatus with a spring balance in order to find the most suitable adsorbent for the removal of these gases by dry process .
C0002607
ammonia
C0017110
gases