MX2012014064A - Procedimiento y aparato para la eliminacion de nox y n20. - Google Patents

Procedimiento y aparato para la eliminacion de nox y n20.

Info

Publication number
MX2012014064A
MX2012014064A MX2012014064A MX2012014064A MX2012014064A MX 2012014064 A MX2012014064 A MX 2012014064A MX 2012014064 A MX2012014064 A MX 2012014064A MX 2012014064 A MX2012014064 A MX 2012014064A MX 2012014064 A MX2012014064 A MX 2012014064A
Authority
MX
Mexico
Prior art keywords
stage
nox
den2o
gas flow
denox
Prior art date
Application number
MX2012014064A
Other languages
English (en)
Inventor
Meinhard Schwefer
Rolf Siefert
Michael Groves
Christina Perbandt
Original Assignee
Thyssenkrupp Uhde Gmbh
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
Application filed by Thyssenkrupp Uhde Gmbh filed Critical Thyssenkrupp Uhde Gmbh
Publication of MX2012014064A publication Critical patent/MX2012014064A/es

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/869Multiple step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • B01D53/8628Processes characterised by a specific catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/20Metals or compounds thereof
    • B01D2255/207Transition metals
    • B01D2255/20738Iron
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/50Zeolites
    • B01D2255/504ZSM 5 zeolites
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/402Dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/404Nitrogen oxides other than dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8621Removing nitrogen compounds
    • B01D53/8625Nitrogen oxides
    • B01D53/8631Processes characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
    • B01J29/46Iron group metals or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/10Capture or disposal of greenhouse gases of nitrous oxide (N2O)

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Se describe un procedimiento para eliminar N2O y NOX de los gases de purga por descomposición catalítica del N2O por medio de catalizadores de zeolita que contienen hierro, y reducción catalítica del NOX por medio de agentes reductores; el paso de descomposición de NOX conectado corriente abajo del paso de descomposición de N2Osiendo operado a temperaturas de entrada T < = 400 °C, y el gas de entrada para el paso de descomposición de N2O comprendiendo agua y teniendo una relación N2O/NOX seleccionada, y los parámetros de operación de temperatura, presión y velocidad espacial del paso de descomposición de N2O siendo seleccionados a fin de producir una degradación de N2O de 80 a 98 %; bajo estas condiciones, se establece un grado de oxidación de NOX de 30-70 % en la salida del paso de descomposición de N2O, que se define como la relación de las cantidades molares de N2O a la cantidad molar total de NOX; el resultado de esto es que el paso de descomposición de NOX puede ser operado bajo condiciones óptimas; el procedimiento puede ser operado en un aparato que comprende los siguientes elementos: A) un aparato (2) para ajustar el contenido de agua de la corriente de gas (1) que comprende NOX y N2O; B) un paso de descomposición de N2O (3) dispuesto corriente abajo del aparato (2) para reducir el contenido de N2O de la corriente de gas, que comprende un catalizador de zeolita cargado con hierro; C) un aparato de enfriamiento (4) dispuesto corriente abajo del paso de descomposición de N2O (3) para enfriar la corriente de gas (5) que sale del paso de descomposición de N2O; D) un paso de descomposición de NOX (6) dispuesto corriente abajo del aparato de enfriamiento (4) y que comprende un catalizador de SCR para reducir el contenido de NOX de la corriente de gas; y E) una línea de alimentación (7) para introducir el agente reductor para NOX en la corriente de gas (5) que sale del paso de descomposición de N2O, que está dispuesta entre la salida del paso de descomposición de N2O (3) y corriente arriba del catalizador del paso de descomposición de NOX (6).
MX2012014064A 2010-06-04 2011-05-09 Procedimiento y aparato para la eliminacion de nox y n20. MX2012014064A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010022775A DE102010022775A1 (de) 2010-06-04 2010-06-04 Verfahren und Vorrichtung zur Beseitigung von NOx und N2O
PCT/EP2011/002304 WO2011151006A1 (de) 2010-06-04 2011-05-09 Verfahren und vorrichtung zur beseitigung von nox und n2o

Publications (1)

Publication Number Publication Date
MX2012014064A true MX2012014064A (es) 2013-04-05

Family

ID=45509773

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012014064A MX2012014064A (es) 2010-06-04 2011-05-09 Procedimiento y aparato para la eliminacion de nox y n20.

Country Status (14)

Country Link
US (2) US10022669B2 (es)
EP (1) EP2576019B1 (es)
JP (1) JP5931852B2 (es)
KR (1) KR101914024B1 (es)
CN (2) CN202155145U (es)
CA (1) CA2800829C (es)
DE (1) DE102010022775A1 (es)
ES (1) ES2532743T3 (es)
MX (1) MX2012014064A (es)
PL (1) PL2576019T3 (es)
RU (1) RU2585642C2 (es)
TW (1) TWI511775B (es)
UA (1) UA110700C2 (es)
WO (1) WO2011151006A1 (es)

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Also Published As

Publication number Publication date
KR20130084981A (ko) 2013-07-26
WO2011151006A1 (de) 2011-12-08
CA2800829A1 (en) 2011-12-08
TW201213005A (en) 2012-04-01
US10022669B2 (en) 2018-07-17
CA2800829C (en) 2018-08-14
UA110700C2 (uk) 2016-02-10
CN102985166B (zh) 2015-04-08
CN102985166A (zh) 2013-03-20
JP2013527034A (ja) 2013-06-27
EP2576019B1 (de) 2014-12-24
EP2576019A1 (de) 2013-04-10
TWI511775B (zh) 2015-12-11
US20180264408A1 (en) 2018-09-20
CN202155145U (zh) 2012-03-07
PL2576019T3 (pl) 2015-06-30
RU2012157787A (ru) 2014-07-20
WO2011151006A8 (de) 2013-07-04
JP5931852B2 (ja) 2016-06-08
KR101914024B1 (ko) 2018-11-01
ES2532743T3 (es) 2015-03-31
US20130149225A1 (en) 2013-06-13
DE102010022775A1 (de) 2011-12-08
RU2585642C2 (ru) 2016-05-27

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