EP3229941A1 - Produit pour la dépollution des gaz d'échappement, notamment de moteur à combustion interne, et procédé de dépollution des gaz d'échappement utilisant ce produit - Google Patents
Produit pour la dépollution des gaz d'échappement, notamment de moteur à combustion interne, et procédé de dépollution des gaz d'échappement utilisant ce produitInfo
- Publication number
- EP3229941A1 EP3229941A1 EP15802125.3A EP15802125A EP3229941A1 EP 3229941 A1 EP3229941 A1 EP 3229941A1 EP 15802125 A EP15802125 A EP 15802125A EP 3229941 A1 EP3229941 A1 EP 3229941A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- product
- exhaust gas
- depollution
- exhaust
- particles
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000007789 gas Substances 0.000 title claims abstract description 54
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 22
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 96
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 17
- 230000000996 additive effect Effects 0.000 claims abstract description 17
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000003054 catalyst Substances 0.000 claims description 28
- 150000002736 metal compounds Chemical class 0.000 claims description 17
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 14
- 230000003197 catalytic effect Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 150000002902 organometallic compounds Chemical class 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- -1 oxides Chemical class 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000003842 bromide salts Chemical class 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 claims description 3
- 150000004673 fluoride salts Chemical class 0.000 claims description 3
- 150000004678 hydrides Chemical class 0.000 claims description 3
- 150000004694 iodide salts Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 150000002823 nitrates Chemical class 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 235000021317 phosphate Nutrition 0.000 claims description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims 3
- 150000003841 chloride salts Chemical class 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 239000004202 carbamide Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000001321 HNCO Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000013626 chemical specie Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- B01D53/90—Injecting reactants
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- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
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- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
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- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
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- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9495—Controlling the catalytic process
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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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
- F01N3/20—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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
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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
- F01N3/20—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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- 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
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- 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
- B01D2251/2062—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/208—Hydrocarbons
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- 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
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- 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
- B01D2255/20753—Nickel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/906—Catalyst dispersed in the gas
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- 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
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/10—Carbon or carbon oxides
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/12—Hydrocarbons
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/01—Adding substances to exhaust gases the substance being catalytic material in liquid form
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to a product for the depollution of exhaust gases, in particular of an internal combustion engine, in particular for a motor vehicle, and an exhaust gas depollution process using this product. It relates more particularly to a process for treating the pollutants contained in the exhaust gases of a diesel-type internal combustion engine, especially for a motor vehicle, but in no way rules out such a process for spark ignition engines, such as those operating with a gaseous fuel or with gasoline, and in particular with a lean mixture.
- the exhaust gases of these engines contain numerous pollutants, such as unburned hydrocarbons (HC), carbon monoxide, nitrogen oxides (NO and NO 2 ), more commonly known as NOx, and in addition to the particles.
- pollutants such as unburned hydrocarbons (HC), carbon monoxide, nitrogen oxides (NO and NO 2 ), more commonly known as NOx, and in addition to the particles.
- NOx is the result of combustion that takes place at high temperatures and in the presence of oxygen. These conditions are generally encountered in all types of combustion, particularly those taking place in lean mixture, such as those with direct injection lean mixture, regardless of the fuel used.
- NOx has a major disadvantage because it has a direct negative impact on the health of humans, particularly NO 2 , and indirectly by the secondary formation of tropospheric ozone.
- NO 2 a direct negative impact on the health of humans
- tropospheric ozone In order to meet pollutant emission standards and to preserve the environment and human health, it has become necessary to treat these pollutants before releasing the exhaust gases into the atmosphere. As is generally known, this is achieved by a treatment in pollution of the exhaust gas flowing in the exhaust line of the engine.
- catalyst means such as an oxidation catalyst, are placed on the exhaust line.
- a particulate filter is advantageously placed on this line so as to capture and then eliminate the particles present in the exhaust gases and thus prevent them are released into the atmosphere.
- This filter which may also be a catalyzed filter, must be periodically regenerated so that it retains all its filtration capacity by producing a combustion of particles retained in this filter.
- These regeneration operations consist mainly of an increase in the temperature of the filter, which can either occur spontaneously during use of the high-load engine, or be generated by means of exothermic oxidation on a catalyst placed upstream of the filter. reducing chemical species resulting from combustion or an injection directly to the exhaust triggered by the engine control.
- the exhaust gases also pass through other means of catalysis, in particular catalytic catalysts of the SCR type (for Selective Catalytic Reduction).
- This SCR catalyst selectively reduces NOx to nitrogen by the action of a reducing agent.
- This reducing agent which is generally injected upstream of the SCR catalyst, may be ammonia or a compound generating ammonia by decomposition, such as urea, or be a hydrocarbon originating from an oxygenated or non-oxygenated hydrocarbon substance. .
- the urea solution is injected into the exhaust line upstream of the SCR catalyst.
- the water contained in this solution is quickly vaporized under the effect of the temperature of the exhaust gas, then each molecule of urea decomposes in two steps into two molecules of ammonia:
- ammonia can be directly injected in the gaseous state into the exhaust line upstream of the SCR catalyst.
- the system for decontaminating exhaust gas comprises an exhaust line comprising a depollution means combining a particulate filter and a catalyst with selective catalytic reduction (SCR), this set being called catalyzed filter RCS or FRCS filter, a single tank containing a mixture of an additive for the regeneration of the particulate filter and a reducing agent for the removal of NOx present in this means of depollution and an injector for introducing this mixing upstream of the FRCS filter.
- SCR selective catalytic reduction
- EP 2 541 012 is limited to using a regeneration additive containing an oxygen storage capacity.
- Such an additive has little advantage in a medium already rich in oxygen, as is the case for an engine exhaust line operating lean mixture.
- the catalytic phase of the SCR catalyst is protected only when it is coated in a particulate filter. This excludes those configurations for which the functions of particle filtration and catalytic reduction of NOx by SCR are carried out on dissociated elements.
- the system described only relates to situations for which the temperature of the exhaust gas is high.
- the combustion of the particles is likely to further increase the temperature within the FRCS filter, which can lead to deterioration of the catalytic phase.
- the present invention proposes to overcome the aforementioned drawbacks by means of a product and a process which make it possible to carry out the depollution of the exhaust gases in a simple and effective manner.
- the present invention relates to a product for the depollution of exhaust gas, in particular of an internal combustion engine, said product being a mixture of an additive for the treatment of particles and a reducing agent for elimination.
- nitrogen oxides (NOx) characterized in that the product comprises a mixture of a reducing agent containing ammonia or an ammonia generating compound by decomposition, or a hydrocarbon derived from an oxygenated hydrocarbon substance or no, and an additive to catalyze the oxidation of particles.
- the product may comprise at least one metal compound.
- the metal compound may be an organometallic compound.
- the metal compound may be a metal selected from the elements sodium, potassium, magnesium, calcium, barium, strontium, titanium, cerium, chromium, molybdenum, manganese, iron, rubidium, cobalt, rhodium, nickel, palladium, platinum, copper, silver or is a mixture of at least two of these elements.
- the organometallic compound may include ferrocene.
- the metal compound may be an inorganic metal compound.
- the inorganic metal compound may be a compound chosen from fluorides, chlorides, bromides, iodides, oxides, nitrates, sulphates, phosphates, hydrides, carbonates, nitrides or a mixture of at least two of these compounds.
- the invention also relates to a process for the depollution of exhaust gases circulating in an exhaust line, in particular an internal combustion engine, and using the product as mentioned above, said line comprising a catalytic converter means.
- selective catalytic reduction of nitrogen oxides (NOx) a means for removing particles, and means for introducing the product into the exhaust line, characterized in that it consists of:
- the method may include regularly introducing the product into the exhaust line.
- the method may include controlling the flow rate of the injected product as a function of the amount of NOx.
- the method may comprise combining, in a single element, the selective catalytic reduction catalytic reduction means of the nitrogen oxides and the particulate removal means into a catalyzed SCR filter.
- the method may include placing the catalytically selective catalytic reduction means of the nitrogen oxides in front of the particulate removal means.
- the method may include placing the particulate removal means in front of the catalytically selective catalytic reduction means of the nitrogen oxides.
- the method may include placing at least one additional catalyst in the exhaust line.
- FIG. 2 which illustrates a first variant of FIG.
- This exhaust gas depollution treatment plant comprises an exhaust line 10 conveying the exhaust gas of an internal combustion engine 12, for example for a motor vehicle.
- an internal combustion engine it is understood a diesel engine, but this does not exclude in any way all other internal combustion engines, such as engines running on gasoline or gas.
- the exhaust line 10 comprises, in the direction of flow of the exhaust gas from its inlet 14 in the vicinity of the exhaust manifold 1 6 of the engine to its outlet 18 to the air free, at least one means for capturing and removing the particles present in the exhaust gas and a NOx reduction means also contained in these gases.
- these means are combined into a single element which is better known as the catalyzed RCS 20 filter or FRCS filter.
- this FRCS filter 20 is placed downstream of an oxidation catalyst 22 whose function is to treat unburned hydrocarbons and carbon monoxide contained in the exhaust gases before they pass through the FRCS filter. .
- This oxidation catalyst 22 also has the function of partially converting nitric oxide to nitrogen dioxide, the ideal case being to have an equimolar distribution between the nitric oxide and the nitrogen dioxide at the inlet the FRCS filter to maximize its effectiveness.
- the exhaust line comprises an introduction means, preferably an injector 24, a mixture of an additive for the regeneration of the particles and a reducing agent for the removal of NOx.
- This injector is placed upstream of the FRCS filter and in the vicinity of its inlet 26 so that this mixture can combine as homogeneously as possible with the exhaust gases before their introduction into the FRCS filter.
- the line comprises a differential pressure determining means 28 between the inlet 26 of the FRCS filter and its outlet 30.
- this means comprises an upstream pressure sensor 32 placed at the inlet 26 of the FRCS filter and measuring the pressure of the exhaust gases at this inlet, another sensor 34, called a downstream sensor, placed at the output 30 of this FRCS filter and measuring the exhaust gas pressure at this output, and a calculator 36 for determining the pressure difference between the inlet and the outlet of the FRCS filter. This makes it possible to know the rate of clogging by the particles of the FRCS filter.
- the exhaust line carries a temperature sensor (not shown) placed on the exhaust line, and more particularly at the inlet of the FRCS filter, to know at any time the temperature of the gases. exhaust flowing in this line.
- a temperature sensor not shown
- it may be provided to use logic and / or computer means that can estimate at any time the temperature of the exhaust gas flowing in the line.
- This line may also carry a NOx sensor (not shown) placed at the output of the FRCS filter 20 to know at any time the amount of NOx coming out of the FRCS filter.
- the mixture introduced into the exhaust line by the injector 24 is fed through a conduit 38 connecting this injector to a reservoir 40 containing this mixture.
- This mixture is circulated between the reservoir and the injector under the effect of a pumping means, such as a metering pump 42.
- the mixture in the reservoir comprises a reducing agent for NOx, which may be ammonia or an ammonia generating compound by decomposition, such as urea, or which may be a hydrocarbon derived from a hydrocarbon substance oxygenated or not, and a catalytic type additive for the treatment of particles and more particularly an additive for catalyzing the oxidation of these particles.
- a reducing agent for NOx which may be ammonia or an ammonia generating compound by decomposition, such as urea, or which may be a hydrocarbon derived from a hydrocarbon substance oxygenated or not
- a catalytic type additive for the treatment of particles and more particularly an additive for catalyzing the oxidation of these particles.
- the catalytic type additive for the treatment of the particles may be a metal compound.
- This metal compound may be an organometallic compound, such as, for example, ferrocene.
- the metal of this organometallic compound may be sodium, potassium, magnesium, calcium, barium, strontium, titanium, cerium, chromium, molybdenum, manganese, iron, rubidium, cobalt, rhodium, nickel, palladium, platinum, copper, silver or a mixture of at least two of these elements.
- This metal compound may be an inorganic metal compound, such as, for example, nickel chloride. More generally, this inorganic metal compound may be part of the family of fluorides, chlorides, bromides, iodides, oxides, nitrates, sulphates, phosphates, hydrides, carbonates, nitrides or a mixture of these compounds.
- the engine computer that usually includes any engine knows at any time the temperature of the exhaust gas and the amount of NOx output of the FRCS filter.
- the mixture contained in the tank 30 is introduced regularly into the exhaust line by the injector 24 upstream of the FRCS filter.
- the amount of the mixture injected into the exhaust line is substantially proportional to the formation of NOx and is determined by the engine computer.
- FIG. 2 differs from FIG. 1 in that the FRCS filter of FIG. 1, which is in a single element, is replaced by at least two exhaust gas treatment means.
- One of the means is a catalyst of the SCR catalyst type 44 which is followed by another means which is a particulate filter 46.
- the injector 24 is placed upstream of the catalyst
- one of the means is a particulate filter 46 which is followed by another means which is a catalyst of the SCR 44 catalyst type.
- the injector 24 is upstream of the particulate filter 464.
- the exhaust line comprises, for the variant of FIG. 2 as well as that of FIG. 3, an injector 24 of the mixture described above comprising an additive for the regeneration of the particles of the particulate filter and a reducing agent for the NOx removal by the RCS 44 catalyst
- This injector is placed upstream of the exhaust gas treatment means (RCS 44 catalyst or a particle filter 46) closest to the oxidation catalyst 22.
- the exhaust line comprising the FRCS filter 20 or the exhaust line comprising a SCR catalyst 44 and a particulate filter 46 may comprise additional catalysts, for example an SCR catalyst in addition to the FRCS filter, and / or a clean catalyst -up, etc.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1462228A FR3029800B1 (fr) | 2014-12-11 | 2014-12-11 | Produit pour la depollution des gaz d'echappement, notamment de moteur a combustion interne, et procede de depollution des gaz d'echappement utilisant ce produit. |
PCT/EP2015/078199 WO2016091657A1 (fr) | 2014-12-11 | 2015-12-01 | Produit pour la dépollution des gaz d'échappement, notamment de moteur à combustion interne, et procédé de dépollution des gaz d'échappement utilisant ce produit |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3229941A1 true EP3229941A1 (fr) | 2017-10-18 |
Family
ID=52589591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15802125.3A Pending EP3229941A1 (fr) | 2014-12-11 | 2015-12-01 | Produit pour la dépollution des gaz d'échappement, notamment de moteur à combustion interne, et procédé de dépollution des gaz d'échappement utilisant ce produit |
Country Status (5)
Country | Link |
---|---|
US (1) | US10167758B2 (fr) |
EP (1) | EP3229941A1 (fr) |
CN (2) | CN107002529A (fr) |
FR (1) | FR3029800B1 (fr) |
WO (1) | WO2016091657A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3055220B1 (fr) | 2016-08-26 | 2020-02-28 | IFP Energies Nouvelles | Installation pour la depollution des gaz d'echappement, notamment de moteur a combustion interne, et procede pour l'utilisation d'une telle installation |
FR3059566B1 (fr) * | 2016-12-07 | 2022-04-22 | Ifp Energies Now | Fluide de depollution de gaz d'echappement comportant un carbonate metallique basique soluble, son procede de preparation et son utilisation pour les moteurs a combustion interne |
US20190234283A1 (en) * | 2018-01-31 | 2019-08-01 | International Engine Intellectual Property Company, Llc | ENGINE OUT NOx REDUCTION USING ENHANCED DEF |
FR3108527B1 (fr) * | 2020-03-30 | 2022-09-09 | Total Marketing Services | Utilisation d’une composition comprenant un agent réducteur et un composé métallique pour prévenir les dépôts dans les lignes d’échappement comprenant un catalyseur SCR |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100111794A1 (en) * | 2007-06-08 | 2010-05-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine exhaust gas purification apparatus and method for controlling same |
US20110203262A1 (en) * | 2010-02-25 | 2011-08-25 | GM Global Technology Operations LLC | Device for reducing nox emission in a diesel engine system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US5404841A (en) * | 1993-08-30 | 1995-04-11 | Valentine; James M. | Reduction of nitrogen oxides emissions from diesel engines |
US5482692A (en) * | 1994-07-07 | 1996-01-09 | Mobil Oil Corporation | Selective catalytic reduction of nitrogen oxides using a ferrocene impregnated zeolite catalyst |
US5809774A (en) * | 1996-11-19 | 1998-09-22 | Clean Diesel Technologies, Inc. | System for fueling and feeding chemicals to internal combustion engines for NOx reduction |
US20030226312A1 (en) * | 2002-06-07 | 2003-12-11 | Roos Joseph W. | Aqueous additives in hydrocarbonaceous fuel combustion systems |
EP1633959B1 (fr) * | 2003-06-18 | 2007-05-09 | Johnson Matthey Public Limited Company | Procedes de commande d'ajout de reducteur |
JP5534602B2 (ja) * | 2009-11-06 | 2014-07-02 | ボッシュ株式会社 | 還元剤噴射弁の異常検出装置及び異常検出方法 |
US9784157B2 (en) * | 2010-03-25 | 2017-10-10 | General Electric Company | System and method for exhaust treatment |
US8800265B2 (en) * | 2010-09-22 | 2014-08-12 | GM Global Technology Operations LLC | Exhaust gas treatment system for an internal combustion engine |
WO2012154868A1 (fr) * | 2011-05-10 | 2012-11-15 | Fluor Technologies Corporation | Traitement simultané de gaz de combustion par un réactif absorbant les sox et un agent réducteur des nox |
KR101509689B1 (ko) * | 2011-07-01 | 2015-04-08 | 현대자동차 주식회사 | 배기 가스 정화 장치 및 이를 포함하는 배기 장치 |
FR2985770B1 (fr) * | 2012-01-12 | 2014-03-07 | Renault Sa | Gestion optimisee d'un catalyseur scr par regenerations periodiques d'un filtre a particules |
JP6129215B2 (ja) * | 2012-03-02 | 2017-05-17 | ハルドール・トプサー・アクチエゼルスカベット | エンジン排ガスから有害化合物を除去するための方法及びシステム |
US20130333351A1 (en) * | 2012-06-18 | 2013-12-19 | Ashwin Vyas | Filter regeneration using filter temperature modulation |
-
2014
- 2014-12-11 FR FR1462228A patent/FR3029800B1/fr active Active
-
2015
- 2015-12-01 EP EP15802125.3A patent/EP3229941A1/fr active Pending
- 2015-12-01 WO PCT/EP2015/078199 patent/WO2016091657A1/fr active Application Filing
- 2015-12-01 CN CN201580067240.6A patent/CN107002529A/zh active Pending
- 2015-12-01 US US15/534,974 patent/US10167758B2/en active Active
- 2015-12-01 CN CN202110789433.XA patent/CN113356972A/zh not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100111794A1 (en) * | 2007-06-08 | 2010-05-06 | Toyota Jidosha Kabushiki Kaisha | Internal combustion engine exhaust gas purification apparatus and method for controlling same |
US20110203262A1 (en) * | 2010-02-25 | 2011-08-25 | GM Global Technology Operations LLC | Device for reducing nox emission in a diesel engine system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2016091657A1 * |
Also Published As
Publication number | Publication date |
---|---|
US10167758B2 (en) | 2019-01-01 |
WO2016091657A1 (fr) | 2016-06-16 |
FR3029800B1 (fr) | 2016-12-16 |
CN107002529A (zh) | 2017-08-01 |
FR3029800A1 (fr) | 2016-06-17 |
CN113356972A (zh) | 2021-09-07 |
US20170350288A1 (en) | 2017-12-07 |
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