AMMONIA PURIFICATION METHOD AND AMMONIA PURIFICATION SYSTEM

PROBLEM TO BE SOLVED: To provide an ammonia purification method and an ammonia purification system which can efficiently adsorb and remove water and hydrocarbons contained in crude ammonia as impurities by making the most of the adsorption capacity of an adsorbent and purify ammonia by a simplified...

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Bibliographic Details
Main Authors TAI SHINICHI, HATA HIROYUKI, FUKUSHIMA TOYOHITO, MORIMOTO SHIGERU, YOSHIDA YOSHINORI
Format Patent
LanguageEnglish
Published 07.03.2013
Subjects
AMMONIA
CHEMISTRY
COMPOUNDS THEREOF
CYANOGEN
INORGANIC CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide an ammonia purification method and an ammonia purification system which can efficiently adsorb and remove water and hydrocarbons contained in crude ammonia as impurities by making the most of the adsorption capacity of an adsorbent and purify ammonia by a simplified method.SOLUTION: In the ammonia purification system 100, a first adsorption column 21 and a second adsorption column 22 adsorb and remove impurities contained in gaseous crude ammonia by the adsorbent independently having a capacity to adsorb water and hydrocarbons. A first condenser 31 separates and removes impurities of high volatility as gas phase components by partially condensing gaseous ammonia with impurities adsorbed and removed. A second condenser 32 separates and removes impurities of high volatility as gas phase components by partially condensing gaseous ammonia in a recovery tank 4 once more.
Bibliography:Application Number: JP20120003602