DK2719440T3 - Process for removing contaminants from exhaust gases by the addition of ozone - Google Patents

Process for removing contaminants from exhaust gases by the addition of ozone Download PDF

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Publication number
DK2719440T3
DK2719440T3 DK13166572.1T DK13166572T DK2719440T3 DK 2719440 T3 DK2719440 T3 DK 2719440T3 DK 13166572 T DK13166572 T DK 13166572T DK 2719440 T3 DK2719440 T3 DK 2719440T3
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Prior art keywords
nitrogen oxides
ozone
gas stream
gas
stream
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DK13166572.1T
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English (en)
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Naresh J Suchak
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Linde Ag
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and 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
    • B01D53/46—Removing components of defined structure
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury
    • 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
    • B01D53/73—After-treatment of removed components
    • 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
    • B01D53/75—Multi-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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/76—Gas phase processes, e.g. by using aerosols
    • 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
    • B01D53/81—Solid phase processes
    • B01D53/83—Solid phase processes with moving reactants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/104—Ozone
    • 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
    • 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
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/60—Heavy metals or heavy metal compounds
    • B01D2257/602—Mercury or mercury compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/10—Gas phase, e.g. by using aerosols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/12—Methods and means for introducing reactants
    • B01D2259/122—Gaseous reactants
    • 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
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur 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
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/20—Non-catalytic reduction devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/40—Sorption with wet devices, e.g. scrubbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/50—Sorption with semi-dry devices, e.g. with slurries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/60—Sorption with dry devices, e.g. beds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/15003—Supplying fumes with ozone
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/32—Direct CO2 mitigation

Claims (11)

1. Fremgangsmåde til delvis fjernelse af nitrogenoxider fra en procesgasstrøm (30; 44), der omfatter trinene: [a] separering af procesgasstrømmen (30; 44) i to eller flere procesgasstrømme, hvor mindst én af de to eller flere procesgasstrømme skal behandles til fjernelse af nitrogenoxider, og den volumenbaserede procentdel af denne mindst ene af de to eller flere procesgasstrømme er lig med mængden af nitrogenoxider, der skal fjernes; [b] tilsætning eller iblanding af ozon (32; 46) til mindst én af de to eller flere procesgasstrømme, der skal behandles til fjernelse af nitrogenoxider, hvor ozonen (32; 46) tilsættes eller iblandes i en mængde til oxidering af nitrogenoxiderne til former ud over NO2, især til N2O5; [c] tilførsel af den mindst ene af de to eller flere procesgasstrømme, der skal behandles til fjernelse af nitrogenoxider, til en indfangningsanordning (38; 58), der er udvalgt fra gruppen, der består af vådskrubberudstyr.A method of partially removing nitrogen oxides from a process gas stream (30; 44) comprising the steps of: [a] separating said process gas stream (30; 44) into two or more process gas streams, wherein at least one of the two or more process gas streams is to be treated for removing nitrogen oxides, and the volume-based percentage of this at least one of the two or more process gas streams is equal to the amount of nitrogen oxides to be removed; [b] adding or admixing ozone (32; 46) to at least one of the two or more process gas streams to be treated to remove nitrogen oxides, wherein ozone (32; 46) is added or admixed in an amount to oxidize the nitrogen oxides to forms in addition to NO2, especially to N2O5; [c] supplying at least one of the two or more process gas streams to be treated for nitrogen oxide removal to a capture device (38; 58) selected from the group consisting of wet scrubber equipment.
2. Fremgangsmåde ifølge krav 1, hvor procesgasstrømmen (30; 44) er en udstødsgas fra en industriel proces, især fra en kemisk, metallurgisk, delvis eller fuldstændig forbrændingsproces og/eller fra en kilde udvalgt fra gruppen, der består af fikserede kilder, stationære kilder og mobile kilder.A method according to claim 1, wherein the process gas stream (30; 44) is an exhaust gas from an industrial process, in particular from a chemical, metallurgical, partial or complete combustion process and / or from a source selected from the group consisting of fixed sources, stationary. sources and mobile sources.
3. Fremgangsmåde ifølge krav 2, hvor den industrielle proces er udvalgt fra gruppen, der består af industrielle kedler, elproduktionssystemer og forbrændingsprocesser.The method of claim 2, wherein the industrial process is selected from the group consisting of industrial boilers, power generation systems and combustion processes.
4. Fremgangsmåde ifølge mindst et af kravene 1 til 3, hvor nitrogenoxiderne er udvalgt fra gruppen, der består af nitrogenoxid og nitrogendioxid.A process according to at least one of claims 1 to 3, wherein the nitric oxides are selected from the group consisting of nitric oxide and nitrogen dioxide.
5. Fremgangsmåde ifølge mindst et af kravene 1 til 4, hvor delen af procesgasstrømmen (30; 44), der separeres, korrelerer, især korrelerer direkte, med mængden af nitrogenoxider, der fjernes fra procesgasstrømmen (30; 44).A method according to at least one of claims 1 to 4, wherein the portion of the process gas stream (30; 44) which separates correlates, in particular directly correlates, with the amount of nitrogen oxides removed from the process gas stream (30; 44).
6. Fremgangsmåde ifølge mindst et af kravene 1 til 5, der yderligere, især før eller efter trin [a] , omfatter trinet konditionering eller behandling, især forbehandling, af procesgasstrømmen, især mindst én af de to eller flere procesgasstrømme.The method of at least one of claims 1 to 5, further comprising, in particular, before or after step [a], the conditioning or processing step, in particular pre-treatment, of the process gas stream, in particular at least one of the two or more process gas streams.
7. Fremgangsmåde ifølge krav 6, hvor konditioneringen eller behandlingen er udvalgt fra gruppen, der består af nedkøling, lynafkøling, præskrubning (52) og selektiv skrubning.The method of claim 6, wherein the conditioning or treatment is selected from the group consisting of cooling, lightning cooling, pre-scrubbing (52) and selective scrubbing.
8. Fremgangsmåde ifølge mindst et af kravene 1 til 7, hvor tilsætningen eller iblandingen er udvalgt fra gruppen, der består af tilførsel af ozon (32; 46) til, især injektion af ozon (32; 46) i, den mindst ene af de to eller flere procesgasstrømme.The method according to at least one of claims 1 to 7, wherein the addition or admixture is selected from the group consisting of supply of ozone (32; 46) to, in particular, injection of ozone (32; 46) into the at least one of the two or more process gas streams.
9. Fremgangsmåde ifølge mindst et af kravene 1 til 8, hvor oxiderede nitrogenoxider indfanges i indfangningsanordningen (38; 58) ved hjælp af sprøjtning med vand (39; 53), især ved hjælp af sprøjtning med vandigt medium eller ved hjælp af sprøjtning med vandigt reagens.The method of at least one of claims 1 to 8, wherein oxidized nitrogen oxides are trapped in the trapping device (38; 58) by spraying with water (39; 53), in particular by spraying with aqueous medium or by spraying with aqueous. reagent.
10. Fremgangsmåde ifølge mindst et af kravene 1 til 9, der yderligere, især efter trin [c], omfatter trinet rekombinering af den mindst ene af de to eller flere gasstrømme, der i det væsentlige er fri for nitrogenoxider, med den resterende del af procesgasstrømmen, især i indfangningsanordningen (38; 58) eller nedstrøms for indfangningsanordningen (38; 58).The method of at least one of claims 1 to 9, further comprising, in particular after step [c], the recombination of the at least one of the two or more gas streams substantially free of nitrogen oxides with the remaining portion of the process gas flow, especially in the trapping device (38; 58) or downstream of the trapping device (38; 58).
11. Fremgangsmåde ifølge mindst et af kravene 1 til 10, der yderligere, især efter trin [c], omfatter trinet frigivelse af den, især rekombinerede, procesgasstrøm (40; 54).The method of at least one of claims 1 to 10, further comprising, in particular, after step [c], the step of releasing the process gas, especially recombined, (40; 54).
DK13166572.1T 2012-10-15 2013-05-05 Process for removing contaminants from exhaust gases by the addition of ozone DK2719440T3 (da)

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US (1) US8865098B2 (da)
EP (1) EP2719440B1 (da)
CN (1) CN106659971B (da)
AU (1) AU2014334786B2 (da)
CA (1) CA2927588A1 (da)
DK (1) DK2719440T3 (da)
ES (1) ES2628621T3 (da)
HU (1) HUE033923T2 (da)
PL (1) PL2719440T3 (da)
PT (1) PT2719440T (da)
RU (1) RU2645987C2 (da)
TW (1) TWI565515B (da)
WO (1) WO2015057421A1 (da)

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AU2014334786B2 (en) 2018-12-06
HUE033923T2 (en) 2018-01-29
ES2628621T3 (es) 2017-08-03
RU2016118683A (ru) 2017-11-21
CN106659971A (zh) 2017-05-10
PT2719440T (pt) 2017-06-26
TW201519946A (zh) 2015-06-01
CN106659971B (zh) 2020-10-20
WO2015057421A1 (en) 2015-04-23
CA2927588A1 (en) 2015-04-23
US8865098B2 (en) 2014-10-21
AU2014334786A1 (en) 2016-04-21
TWI565515B (zh) 2017-01-11
EP2719440A1 (en) 2014-04-16
RU2645987C2 (ru) 2018-02-28
PL2719440T3 (pl) 2017-09-29
US20140127107A1 (en) 2014-05-08

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