BR112012025670A2 - recuperação de hidrogênio e nitrogênio de gás de purga de amônia - Google Patents

recuperação de hidrogênio e nitrogênio de gás de purga de amônia

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Publication number
BR112012025670A2
BR112012025670A2 BR112012025670A BR112012025670A BR112012025670A2 BR 112012025670 A2 BR112012025670 A2 BR 112012025670A2 BR 112012025670 A BR112012025670 A BR 112012025670A BR 112012025670 A BR112012025670 A BR 112012025670A BR 112012025670 A2 BR112012025670 A2 BR 112012025670A2
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Brazil
Prior art keywords
purge gas
hydrogen
ammonia
high pressure
phase separator
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BR112012025670A
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English (en)
Inventor
Filippi Ermanno
Ostuni Raffaele
Skinner Geoffrey Frederick
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Ammonia Casale Sa
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Publication date
Application filed by Ammonia Casale Sa filed Critical Ammonia Casale Sa
Publication of BR112012025670A2 publication Critical patent/BR112012025670A2/pt

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    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
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    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
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    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
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    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
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    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0476—Purge gas treatment, e.g. for removal of inert gases or recovery of H2
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    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
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    • F25J3/068—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by partial condensation characterised by the separated product stream separation of H2/N2 mixtures, i.e. of ammonia synthesis gas
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Abstract

recuperação de hidrogênio e nitrogênio de gás de purga de amônia. a presente invenção divulga uma instalação de amônia, em que gás de purga de amônia (20) é enviado para uma unidade de recuperação criogênica, dita unidade de recuperação criogênica compreendendo meios de resfriamento (102, 202, 302, 402, 502) e um separador de fase de alta pressão (103, 203, 402, 502) e um separador de fase de alta pressão (103, 203, 303, 403, 503), que opera na pressão do circuito; no interior da dita unidade, o gás de purga (20) é resfriado para uma temperatura criogênica e se obtém uma liquefação parcial de metano e argônio; o separador de fase de alta pressão separa a corrente resfriada em uma corrente gasosa e um líquido de fundo; a corrente gasosa é reaquecida em uma passagem de um trocador de calor; a unidade é então capaz de exportar uma corrente gasosa (123, 223, 323, 423, 523) contendo nitrogênio e hidrogênio na pressão do circuito, a qual pode ser novamente introduzida no lado da sucção do dispositivo circulador (4) do circuito.
BR112012025670A 2010-04-07 2010-05-17 recuperação de hidrogênio e nitrogênio de gás de purga de amônia BR112012025670A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10159190A EP2374758A1 (en) 2010-04-07 2010-04-07 Hydrogen and nitrogen recovery from ammonia purge gas
PCT/EP2010/056753 WO2011124268A1 (en) 2010-04-07 2010-05-17 Hydrogen and nitrogen recovery from ammonia purge gas

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BR112012025670A2 true BR112012025670A2 (pt) 2016-06-28

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US (2) US20130039835A1 (pt)
EP (2) EP2374758A1 (pt)
CN (1) CN102985367B (pt)
AU (1) AU2010350540B2 (pt)
BR (1) BR112012025670A2 (pt)
CA (1) CA2792985C (pt)
CL (1) CL2012002793A1 (pt)
DK (1) DK2556024T3 (pt)
MX (1) MX2012011026A (pt)
MY (1) MY151236A (pt)
RU (1) RU2545546C2 (pt)
WO (1) WO2011124268A1 (pt)

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EP2301886A1 (en) * 2009-09-03 2011-03-30 Ammonia Casale S.A. Waste heat recovery in a chemical process and plant, particularly for the synthesis of ammonia
RU2606223C2 (ru) * 2011-07-22 2017-01-10 Эксонмобил Апстрим Рисерч Компани Извлечение гелия из потоков природного газа
CN102674248A (zh) * 2012-05-25 2012-09-19 贵州开磷（集团）有限责任公司 一种合成氨尾气中氢气的回收工艺
MX364235B (es) 2012-06-27 2019-04-17 Grannus Llc Produccion de poligeneracion de polvo y fertilizador a traves de captura de emisiones.
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US20160060130A1 (en) 2016-03-03
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US20130039835A1 (en) 2013-02-14
AU2010350540B2 (en) 2014-02-06
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DK2556024T3 (da) 2014-10-20
RU2545546C2 (ru) 2015-04-10
CL2012002793A1 (es) 2013-01-18
CN102985367A (zh) 2013-03-20
US10040691B2 (en) 2018-08-07
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