RU2007108655A - Способ получения мочевины из аммиака диоксида углерода - Google Patents

Способ получения мочевины из аммиака диоксида углерода Download PDF

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RU2007108655A
RU2007108655A RU2007108655/04A RU2007108655A RU2007108655A RU 2007108655 A RU2007108655 A RU 2007108655A RU 2007108655/04 A RU2007108655/04 A RU 2007108655/04A RU 2007108655 A RU2007108655 A RU 2007108655A RU 2007108655 A RU2007108655 A RU 2007108655A
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urea
carbon dioxide
ammonia
stage
ammonium carbamate
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RU2007108655/04A
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RU2394813C2 (ru
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Доминико РОМИТИ (CH)
Доминико РОМИТИ
Паоло СТИККИ (CH)
Паоло Стикки
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Уреа Касале С.А. (Ch)
Уреа Касале С.А.
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/10—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds combined with the synthesis of ammonia
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • 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
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/382—Multi-step processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • 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
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/384—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts the catalyst being continuously externally heated
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • 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
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/386—Catalytic partial combustion
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • 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
    • C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • 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
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/025—Processes for making hydrogen or synthesis gas containing a partial oxidation step
    • C01B2203/0261—Processes for making hydrogen or synthesis gas containing a partial oxidation step containing a catalytic partial oxidation step [CPO]
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0415—Purification by absorption in liquids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/06—Integration with other chemical processes
    • C01B2203/068—Ammonia synthesis
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0816—Heating by flames
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C01B2203/1241—Natural gas or methane
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    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1258—Pre-treatment of the feed
    • C01B2203/1264—Catalytic pre-treatment of the feed
    • C01B2203/127—Catalytic desulfurisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14—Details of the flowsheet
    • C01B2203/142—At least two reforming, decomposition or partial oxidation steps in series
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (7)

1. Способ получения мочевины из аммиака и диоксида углерода, на первой стадии которого из природного газа (2) путем его конверсии (12, 14) получают аммиак (7) и диоксид углерода (6), а на второй стадии из аммиака (7) и диоксида углерода в реакторе (20) синтеза мочевины получают содержащий мочевину и карбамат аммония раствор, из которого затем после разложения карбамата аммония выделяют мочевину (8а), отличающийся тем, что образующийся при сгорании топлива дым (5), содержащий диоксид углерода, обрабатывают водным раствором (9а), содержащим часть (7b) полученного аммиака (7), с получением водного раствора (9с) карбамата аммония и этот раствор (9с) подают на вторую стадию.
2. Способ по п.1, отличающийся тем, что водный раствор (9с) карбамата аммония подают в реактор (20) синтеза мочевины.
3. Способ по п.1, отличающийся тем, что водный раствор (9с) карбамата аммония подают в реактор (20) синтеза мочевины после прохождения через аппарат (34) для очистки воды и блок (22) разложения карбамата и выделения мочевины на второй стадии получения мочевины.
4. Способ по п.1, отличающийся тем, что образующийся при сгорании топлива дым, содержащий диоксид углерода, до обработки водным раствором (9а) аммиака, обрабатывают для удаления из него возможно содержащихся в нем оксидов азота.
5. Способ по п.1, отличающийся тем, что водный раствор (9а) аммиака получают смешением части (7b) аммиака (7) с водным раствором (9b) карбамата аммония, отбираемым из концентратора (24) на второй стадии получения мочевины.
6. Способ по п.1, отличающийся тем, что содержащий диоксид углерода дым (5) образуется в процессе конверсии (12) природного газа.
7. Способ по п.1, отличающийся тем, что содержащий диоксид углерода дым (5) образуется при выполнении первой и/или второй стадии получения мочевины.
RU2007108655/02A 2004-08-10 2005-07-22 Способ получения мочевины из аммиака и диоксида углерода RU2394813C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04018981A EP1626042A1 (en) 2004-08-10 2004-08-10 Process for urea production from ammonia and carbon dioxide
EP04018981.3 2004-08-10

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RU2007108655A true RU2007108655A (ru) 2008-09-20
RU2394813C2 RU2394813C2 (ru) 2010-07-20

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US (1) US7732640B2 (ru)
EP (2) EP1626042A1 (ru)
CN (1) CN100509768C (ru)
CA (1) CA2575537C (ru)
EG (1) EG24453A (ru)
RU (1) RU2394813C2 (ru)
WO (1) WO2006015709A1 (ru)

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Publication number Priority date Publication date Assignee Title
CN101624355B (zh) * 2009-08-10 2012-05-23 四川金象赛瑞化工股份有限公司 一种低水碳比-三段吸收-蒸发式氨冷的尿素生产中压回收工艺
CN102753518B (zh) * 2010-02-12 2015-03-11 斯塔米卡邦有限公司 尿素后处理中氨的除去
AU2011383480B2 (en) * 2011-12-15 2015-02-05 Mitsubishi Heavy Industries Engineering, Ltd. Operating method for urea manufacturing plant formed from multiple systems
EP2617708B1 (en) * 2012-01-17 2017-08-16 General Electric Technology GmbH A method of forming urea by integration of an ammonia production process in a urea production process and a system therefor
JP6306571B2 (ja) 2012-05-03 2018-04-04 スタミカーボン・ベー・フェー 尿素製造プラント
EP2690089A1 (en) * 2012-07-25 2014-01-29 Urea Casale SA Use of urea synthesis purge gas in an integrated ammonia-urea process and related plant.
US9428449B2 (en) 2013-01-16 2016-08-30 Alstom Technology Ltd Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor
DE102015015524A1 (de) * 2015-12-01 2017-06-01 Linde Aktiengesellschaft Verfahren zur Erzeugung von Harnstoff
CN109070047A (zh) * 2016-02-03 2018-12-21 伊桑·诺维克 捕获二氧化碳的综合方法
DE102017222030A1 (de) * 2017-12-06 2019-06-06 Thyssenkrupp Ag Verfahren zur Bereitstellung von CO2 für die Harnstoffsynthese aus Rauch- und Synthesegas
WO2019221925A1 (en) * 2018-05-18 2019-11-21 Novomer, Inc. Integrated systems and processes for chemical production

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Publication number Priority date Publication date Assignee Title
GB2051757B (en) * 1979-07-03 1983-01-12 Humphreys & Glasgow Ltd Co2 recovery process
EP1188710A3 (en) * 2000-09-15 2003-10-29 Haldor Topsoe A/S Process for the integrated preparation of ammonia and urea
US6448441B1 (en) * 2001-05-07 2002-09-10 Texaco, Inc. Gasification process for ammonia/urea production

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EP1776335A1 (en) 2007-04-25
RU2394813C2 (ru) 2010-07-20
EG24453A (en) 2009-07-14
WO2006015709A1 (en) 2006-02-16
EP1626042A1 (en) 2006-02-15
CA2575537A1 (en) 2006-02-16
CA2575537C (en) 2013-09-10
US20070287863A1 (en) 2007-12-13
US7732640B2 (en) 2010-06-08
CN1993317A (zh) 2007-07-04
CN100509768C (zh) 2009-07-08

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