ATE535300T1 - Verfahren und anlage zur herstellung einer harnstofflösung zur verwendung in einem scr- verfahren zur nox-verringerung - Google Patents

Verfahren und anlage zur herstellung einer harnstofflösung zur verwendung in einem scr- verfahren zur nox-verringerung

Info

Publication number
ATE535300T1
ATE535300T1 AT09802489T AT09802489T ATE535300T1 AT E535300 T1 ATE535300 T1 AT E535300T1 AT 09802489 T AT09802489 T AT 09802489T AT 09802489 T AT09802489 T AT 09802489T AT E535300 T1 ATE535300 T1 AT E535300T1
Authority
AT
Austria
Prior art keywords
scr process
urea
solution
installation
producing
Prior art date
Application number
AT09802489T
Other languages
English (en)
Inventor
Federico Zardi
Original Assignee
Urea Casale Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40280719&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE535300(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Urea Casale Sa filed Critical Urea Casale Sa
Application granted granted Critical
Publication of ATE535300T1 publication Critical patent/ATE535300T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235—Nitrogen containing compounds
    • B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
    • B01J31/0249—Ureas (R2N-C(=O)-NR2)
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT09802489T 2008-07-31 2009-07-21 Verfahren und anlage zur herstellung einer harnstofflösung zur verwendung in einem scr- verfahren zur nox-verringerung ATE535300T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08013743A EP2153880A1 (de) 2008-07-31 2008-07-31 Verfahren und Anlage zur Herstellung einer Harnstofflösung zur Verwendung in einem SCR-Prozess zur Nox-Verringerung
PCT/EP2009/059388 WO2010012632A1 (en) 2008-07-31 2009-07-21 Process and plant for the production of a urea solution for use in scr process for reduction of nox

Publications (1)

Publication Number Publication Date
ATE535300T1 true ATE535300T1 (de) 2011-12-15

Family

ID=40280719

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09802489T ATE535300T1 (de) 2008-07-31 2009-07-21 Verfahren und anlage zur herstellung einer harnstofflösung zur verwendung in einem scr- verfahren zur nox-verringerung

Country Status (9)

Country Link
US (3) US20110124495A1 (de)
EP (2) EP2153880A1 (de)
CN (1) CN102112209A (de)
AT (1) ATE535300T1 (de)
AU (1) AU2009276016B2 (de)
CA (1) CA2732432C (de)
PL (1) PL2318123T3 (de)
RU (1) RU2506118C2 (de)
WO (1) WO2010012632A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102806011A (zh) * 2011-06-03 2012-12-05 中国石油化工股份有限公司 一种车用尿素液还原剂的制备方法
EP2690090A1 (de) * 2012-07-27 2014-01-29 Urea Casale SA Konzentration der Harnstofflösung in einem Verfahren zur Harnstoffsynthese
JP6175510B2 (ja) * 2012-11-09 2017-08-02 マック トラックス インコーポレイテッド 選択接触還元システムにおける尿素調整及び噴射制御のための方法及び装置
EA035246B1 (ru) * 2014-07-17 2020-05-20 Стамикарбон Б.В. Способ производства карбамидного продукта
PL3274297T3 (pl) * 2015-03-25 2022-06-13 Stamicarbon B.V. Zintegrowana produkcja mocznika do płynu do układu wydechowego silników wysokoprężnych i roztworu saletrzano-mocznikowego
EP3398935A1 (de) * 2017-05-05 2018-11-07 Casale Sa Verfahren und anlage zur synthese von harnstoff
DE102018131061A1 (de) * 2018-12-05 2020-06-10 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zum Verdünnen einer Probenflüssigkeit und Verdünnungseinheit für eine nachfolgende Analyse
CN111389208B (zh) * 2020-03-25 2022-06-03 山东骏逸环境科技有限公司 一种氨基脱硝剂及其制备方法
CN112316723A (zh) * 2020-11-13 2021-02-05 河南弘康环保科技有限公司 一种高效解决结晶堵塞的车用尿素溶液
US20230160080A1 (en) * 2021-11-23 2023-05-25 Halliburton Energy Services, Inc. Methods of forming aqueous urea utilizing carbon dioxide captured from exhaust gas at wellsite

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1719755A (en) * 1926-03-22 1929-07-02 Alphee E Levesque Window
JPS555977B2 (de) * 1974-05-14 1980-02-12
US4256662A (en) * 1980-01-18 1981-03-17 Gorlovsky David M Process for producing urea
NL8100989A (nl) * 1981-02-28 1982-09-16 Unie Van Kunstmestfab Bv Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossingen.
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8602769A (nl) * 1986-11-03 1988-06-01 Stamicarbon Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze.
NL8900055A (nl) * 1989-01-11 1990-08-01 Stamicarbon Werkwijze voor het verminderen van de hoeveelheid opgeloste ammoniak tijdens het concentreren van een ureumoplossing.
EP0497215A1 (de) * 1991-01-29 1992-08-05 Urea Casale S.A. Verfahren und Anlage zur Herstellung von Harnstoff mit Reaktionsräumen mit unterschiedlicher Leistung
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
IT1264564B1 (it) * 1993-06-09 1996-10-04 Snam Progetti Procedimento per la riduzione del contenuto di ammoniaca presente in uno scarico gassoso degli impianti per la produzione di urea
DE19507487A1 (de) * 1995-03-03 1996-09-05 Hawera Probst Kg Hartmetall Bohrkrone für drehschlagendes Bohren von vorzugsweise Gestein, Beton oder dergleichen
IT1275451B (it) * 1995-06-30 1997-08-07 Snam Progetti Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
US5744009A (en) * 1995-07-07 1998-04-28 The M. W. Kellogg Company Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator
US6063350A (en) * 1997-04-02 2000-05-16 Clean Diesel Technologies, Inc. Reducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
DE69708627T2 (de) * 1997-09-20 2002-08-08 Urea Casale S.A., Lugano Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff
EP1279663B2 (de) * 2001-07-23 2010-07-28 Toyo Engineering Corporation Verfahren zur Synthese von Harnstoff
US7743449B2 (en) * 2002-06-28 2010-06-29 Lam Research Corporation System and method for a combined contact and non-contact wafer cleaning module
NL1021637C2 (nl) * 2002-07-29 2004-01-30 Dsm Nv Werkwijze voor het vergroten van de capaciteit van een ureumfabriek.
DE10251498A1 (de) * 2002-11-04 2004-05-19 Universität Kaiserslautern Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen
US7013852B2 (en) * 2003-03-06 2006-03-21 Denso Corporation Control apparatus for an internal combustion engine
JP2005044436A (ja) * 2003-07-22 2005-02-17 Renesas Technology Corp 半導体記憶装置
JP4211713B2 (ja) * 2003-09-05 2009-01-21 トヨタ紡織株式会社 結合構造
AU2004287348A1 (en) * 2003-11-07 2005-05-19 Dan Cosgrove Ltd. Improved mixing methods and associated mixing units
FI117891B (fi) * 2004-08-04 2007-04-13 Kemira Oyj Pelkistysainekoostumus
JP2006111602A (ja) * 2004-10-18 2006-04-27 Purearth Inc 安定化された尿素水溶液およびその製造方法
NL1028497C2 (nl) 2005-03-09 2006-09-12 Dsm Ip Assets Bv Werkwijze voor de bereiding van een ureum-bevattende waterige stroom.
EP1876171B1 (de) * 2005-04-27 2011-12-07 Toyo Engineering Corporation Vorrichtung zur harnstoffsynthese und verfahren zu ihrer verbesserung
EP1719755A1 (de) * 2005-05-04 2006-11-08 Urea Casale S.A. Verfahren und Anlage zur Herstellung von Harnstoff
RU2289471C1 (ru) * 2005-10-21 2006-12-20 Открытое Акционерное Общество "Научно-Исследовательский И Проектный Институт Карбамида И Продуктов Органического Синтеза" (Оао Ниик) Способ и установка для подготовки раствора карбамида
WO2009032188A1 (en) * 2007-08-29 2009-03-12 Colonial Chemical Company Method and system for removing impurities from a urea solution

Also Published As

Publication number Publication date
EP2153880A1 (de) 2010-02-17
PL2318123T3 (pl) 2012-04-30
US20160228862A1 (en) 2016-08-11
RU2506118C2 (ru) 2014-02-10
AU2009276016A1 (en) 2010-02-04
US20110124495A1 (en) 2011-05-26
EP2318123A1 (de) 2011-05-11
WO2010012632A1 (en) 2010-02-04
AU2009276016B2 (en) 2015-04-09
CA2732432C (en) 2016-08-23
CN102112209A (zh) 2011-06-29
CA2732432A1 (en) 2010-02-04
EP2318123B1 (de) 2011-11-30
US20200023343A1 (en) 2020-01-23
RU2011107122A (ru) 2012-09-10

Similar Documents

Publication Publication Date Title
ATE535300T1 (de) Verfahren und anlage zur herstellung einer harnstofflösung zur verwendung in einem scr- verfahren zur nox-verringerung
WO2010065812A3 (en) Flue gas scrubbing apparatus and process
EA201270417A1 (ru) Удаление мочевины и аммиака из отработанных газов
DE502007003527D1 (de) Verfahren zur reinigung von biogas einer biogasanlage sowie gasreinigungsanlage
PE20140426A1 (es) Procedimiento para remover contaminantes de flujos de gas
BR112015027018A2 (pt) método e aparelho para tratar gás residual ácido utilizando gás de combustão de processo de amônia
AR081753A1 (es) Reduccion catalitica selectiva por electrolisis de la urea
IN2014DN10096A (de)
WO2018104446A3 (en) MULTI-POLLUTANT GAS PURIFICATION PROCESS WITH ALKALI SORBENT AND DeNOx SUPPORTED CATALYST COMPRISING Ca-DEFICIENT HYDROXYAPATITE
ATE433793T1 (de) Verfahren zur entfernung von cos aus einem h2s und cos enthaltenden synthesegasstrom
AR061084A1 (es) Proceso para depurar el amoniaco de gases acidos que comprenden amoniaco y sulfuro de hidrogeno
BR112013024950A2 (pt) artigo catalítico, método de tratamento de uma corrente de gás de escape, e, sistema de tratamento de emissões
MX2017006212A (es) Proceso de acabado de urea con depuracion acida.
MX2015015958A (es) Metodo y sistemas para recuperar sulfato de amonio a partir de una corriente de gas de planta de urea.
ATE454204T1 (de) Verfahren zum reinigen von nox in abgasen unter verwendung von chlordioxid
EA201992623A2 (ru) Совмещенное производство карбамида и меламина
UA101500C2 (ru) Способ производства мочевины из аммиака и диоксида углерода
GEP20156401B (en) Urea production process characterized by short urea melt transportation time between last concentrator and prilling tower
EA201490645A1 (ru) Производство серной кислоты с рециркуляцией десульфурированного газа
DE502008002100D1 (de) Verfahren zur herstellung von salpetersäure mit einer konzentration im bereich von 50 bis 77,8 gew.-%
DE10346519A1 (de) Verfahren zur Entfernung von Ammoniak und Staub aus einem Abgas, das bei der Herstellung von Düngemitteln anfällt
US8063246B2 (en) Method for purifying flue gases from combustion plants and then producing urea
WO2015092547A3 (en) Methods for removing contaminants from exhaust gases
SA114350715B1 (ar) أنظمة وطرق لإستعادة حمض النيتريك من محاليل معالجة السطح
UA118363C2 (uk) Спосіб очищення синтез-газу шляхом промивання водними розчинами амінів