Method for purification of ammonia, mixtures of nitrogen and hydrogen, or nitrogen, hydrogen and ammonia

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United States of America Patent

PATENT NO 9272906
APP PUB NO 20150083972A1
SERIAL NO

14561677

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Abstract

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Method for purification of ammonia or mixtures of nitrogen and hydrogen, or nitrogen, hydrogen and ammonia, where ammonia or a mixture of gases under pressure of from 0.1 to 25 MPa is passed through a column packed with aluminum oxide with a large specific surface area, the ammonia or mixture of gases is then passed through a column packed with CaO, NaOH, KOH or an NaOH/KOH melt, separately or in a mixture, at 20 to 70° C. and under pressure of from 0.1 to 25 MPa, and the ammonia or mixture of gases is passed through a column packed with activated carbon having a specific area of 100-3000 m2/g with sodium, potassium, caesium, magnesium, calcium, strontium, barium or cerium nitrates(V) or nitrates(III) deposited on its surface, separately or in a mixture.

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Patent Owner(s)

Patent OwnerAddress
POLITECHNIKA WARSZAWSKAWARSAW
MACULEWICZ SLAWOMIR ANDRZEJUL EMANCYPANTEK 1 M 61 PRUSZKOW 05-800

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lenkiewicz, Dariusz Pruszkow, PL 1 0
Maculewicz, Slawomir Andrzej Pruszkow, PL 1 0
Podsiadlo, Slawomir Warsaw, PL 1 0
Rarog-Pilecka, Wioletta Lowicz, PL 1 0

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