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2 087 182

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C1

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IPC

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Application

93039183/25, 1993-07-30

(22)

Actual filing date

1993-07-30

(45)

Published

1997-08-20

(72)

Inventor

Jankovskij Nikolaj Andreevich[Ua]Nikitina Ehmilija Frantsevna[Ua]Ostrovskaja Alina Ivanovna[Ua]Kravchenko Boris Vasil'Evich[Ua]Pol'Okha Alina Mikhajlovna[Ua]Stasjuk Larisa Mikhajlovna[Ua]Sokoljuk Ol'Ga Aleksandrovna[Ua]Zabluda Mikhail Vasil'Evich[Ua]Demidenko Igor' Mikhajlovich[Ua]Kozlov Vitalij Fedorovich[Ua]

(73)

Holder

Gorlovskij Arendnyj Kontsern

METHOD OF TREATING PROCESS GAS WITH SOLUTIONS OF ETHANOLAMINES IN AMMONIA PRODUCTION Russian patent published in 1997 - IPC

Abstract RU 2087182 C1

FIELD: gas treatment. SUBSTANCE: invention relates to methods of removing carbon dioxide from process gas in production of ammonia from natural gas and can be applied at ammonia production plants using solutions of ethanolamines as absorbents. Invention allows reducing concentration of tar in monoethanolamine absorption solution, decreasing its corrosive activity by introducing 0.5-1.0 wt % potassium nitrite solution into poor or saturated monoethanolamine solution when maintaining potassium nitrite concentration in solution within the range of 0.5 to 1.0 g/l. EFFECT: enhanced efficiency of process. 1 tbl

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RU 2 087 182 C1

Authors

Jankovskij Nikolaj Andreevich[Ua]

Nikitina Ehmilija Frantsevna[Ua]

Ostrovskaja Alina Ivanovna[Ua]

Kravchenko Boris Vasil'Evich[Ua]

Pol'Okha Alina Mikhajlovna[Ua]

Stasjuk Larisa Mikhajlovna[Ua]

Sokoljuk Ol'Ga Aleksandrovna[Ua]

Zabluda Mikhail Vasil'Evich[Ua]

Demidenko Igor' Mikhajlovich[Ua]

Kozlov Vitalij Fedorovich[Ua]

Dates

1997-08-20—Published

1993-07-30—Filed

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