Process for sequestering ammonia and the odor associated therewith
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United States of America Patent
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May 7, 1991
Issued Date -
N/A
app pub date -
Sep 22, 1988
filing date -
Jun 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ammonia, particularly aqueous ammonia is sequestered in unexpected large amounts on zeolite molecular sieves having high proportions of silica with respect to alumina in their crystal frameworks. While conventional adsorption mechanisms are to some degree involved, it is apparent from the fact that the characteristic odor of ammonia is not detectable by the human sense of smell over the ammonia-loaded adsorbents indicates that other mechanisms are operable. These properties provide the basis for processes and products which are useful in removing ammonia from an environment to alleviate health hazards or unpleasant odor.
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