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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

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/869—Multiple step processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/14—Separation 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20738—Iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/504—ZSM 5 zeolites
    • 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
    • B01D2257/402—Dinitrogen oxide
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
    • B01J29/072—Iron group metals or copper
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline 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
    • B01J29/42—Crystalline 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
    • B01J29/46—Iron group metals or copper
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/10—Capture 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)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural 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
EP2576019B1 (de) 2014-12-24
EP2576019A1 (de) 2013-04-10
CN102985166B (zh) 2015-04-08
JP2013527034A (ja) 2013-06-27
WO2011151006A1 (de) 2011-12-08
PL2576019T3 (pl) 2015-06-30
WO2011151006A8 (de) 2013-07-04
ES2532743T3 (es) 2015-03-31
TW201213005A (en) 2012-04-01
US20180264408A1 (en) 2018-09-20
UA110700C2 (uk) 2016-02-10
KR101914024B1 (ko) 2018-11-01
JP5931852B2 (ja) 2016-06-08
CA2800829C (en) 2018-08-14
TWI511775B (zh) 2015-12-11
CN102985166A (zh) 2013-03-20
KR20130084981A (ko) 2013-07-26
DE102010022775A1 (de) 2011-12-08
RU2012157787A (ru) 2014-07-20
RU2585642C2 (ru) 2016-05-27
CA2800829A1 (en) 2011-12-08
CN202155145U (zh) 2012-03-07
US20130149225A1 (en) 2013-06-13
US10022669B2 (en) 2018-07-17

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