KR100494189B1 - NOx 흡착기 - Google Patents
NOx 흡착기 Download PDFInfo
- Publication number
- KR100494189B1 KR100494189B1 KR10-1999-7000653A KR19997000653A KR100494189B1 KR 100494189 B1 KR100494189 B1 KR 100494189B1 KR 19997000653 A KR19997000653 A KR 19997000653A KR 100494189 B1 KR100494189 B1 KR 100494189B1
- Authority
- KR
- South Korea
- Prior art keywords
- adsorber
- adsorbent material
- abandoned
- exhaust gas
- payment
- 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.)
- Expired - Lifetime
Links
- 238000002485 combustion reaction Methods 0.000 claims abstract description 43
- 238000001179 sorption measurement Methods 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000011888 foil Substances 0.000 claims abstract description 11
- 238000003795 desorption Methods 0.000 claims abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 87
- 239000007789 gas Substances 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 36
- 239000003463 adsorbent Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 28
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 27
- 229910052760 oxygen Inorganic materials 0.000 claims description 27
- 239000001301 oxygen Substances 0.000 claims description 27
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 20
- 239000003054 catalyst Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 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 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 230000000274 adsorptive effect Effects 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 239000011572 manganese Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims 4
- 238000002407 reforming Methods 0.000 claims 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 239000002250 absorbent Substances 0.000 claims 1
- 230000002745 absorbent Effects 0.000 claims 1
- 230000004075 alteration Effects 0.000 claims 1
- 238000007084 catalytic combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000008929 regeneration Effects 0.000 abstract description 17
- 238000011069 regeneration method Methods 0.000 abstract description 17
- 238000003860 storage Methods 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 6
- 239000010970 precious metal Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 150000001242 acetic acid derivatives Chemical class 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000011232 storage material Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- -1 oxides Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
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- 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
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- B01D53/02—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 adsorption, e.g. preparative gas chromatography
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- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
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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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/16—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an electric heater, i.e. a resistance heater
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
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- 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
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Abstract
Description
Claims (38)
- 지지체를 구비한 흡착기로서, 이 지지체에는 가스류가 주위에서 흐르고 확대된 표면적을 갖는 흡착층이 도포되고, 이 흡착층이 산화질소(NOx)와 산화황(SOx) 중 어느 하나 또는 양자를 가역적으로 흡착하도록 되어 있는 것인 흡착기에 있어서,상기 지지체의 벽 두께는 흡착층이 마련된 구역에서 0.16㎜ 이하인 것을 특징으로 하는 흡착기.
- 지지체를 구비한 흡착기로서, 이 지지체에는 가스류가 주위에서 흐르고 확대된 표면적을 갖는 흡착층이 도포되고, 이 흡착층이 산화질소(NOx)와 산화황(SOx) 중 어느 하나 또는 양자를 가역적으로 흡착하도록 되어 있는 것인 흡착기에 있어서,상기 지지체는 금속으로 이루어지는 것을 특징으로 하는 흡착기.
- 제2항에 있어서, 상기 금속은 금속판 또는 금속 포일인 것을 특징으로 하는 흡착기.
- 제2항 또는 제3항에 있어서, 상기 금속 지지체는 전류의 인가에 의해 가열될 수 있는 것을 특징으로 하는 흡착기.
- 제2항 또는 제3항에 있어서, 상기 금속 지지체의 벽 두께는 0.1㎜ 이하인 것을 특징으로 하는 흡착기.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 지지체는 서로 평행하게 연장되고 폐쇄된 횡단면을 갖는 다수의 통로를 포함하고, 이 통로는 내측에 흡착층을 구비하며, 이 통로로 가스류가 안내될 수 있는 것을 특징으로 하는 흡착기.
- 청구항 7은(는) 설정등록료 납부시 포기되었습니다.제6항에 있어서, 상기 다수의 채널은 일부 구간에 걸쳐 가스류에 난류를 발생시키는 구조로 형성되는 것을 특징으로 하는 흡착기.
- 청구항 8은(는) 설정등록료 납부시 포기되었습니다.제7항에 있어서, 상기 가스류에 난류를 발생시키는 구조는 채널의 횡단면 변경 구조, 파형 구조, 비틀림 구조, 만곡 구조 중 어느 하나인 것을 특징으로 하는 흡착기.
- 청구항 9은(는) 설정등록료 납부시 포기되었습니다.제6항에 있어서, 흡착기는 부분으로 분할되는 것을 특징으로 하는 흡착기.
- 청구항 10은(는) 설정등록료 납부시 포기되었습니다.제9항에 있어서, 상기 분할된 부분은 상이한 길이, 상이한 채널 횡단면, 상이한 채널 개수를 가지며, 서로 50㎝ 이상 이격되어 있는 것을 특징으로 하는 흡착기.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 확대된 표면적은 가스 흐름이 도달될 수 있는 흡착층의 질량을 기초로 20 ㎡/g 이상인 것을 특징으로 하는 흡착기.
- 청구항 12은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 산화알루미늄을 함유하는 것을 특징으로 하는 흡착기.
- 청구항 13은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 알칼리 금속, 알칼리 토금속, 희토류, 란탄, 티탄, 구리 및 망간으로 이루어진 군에서 선택되는 1종 이상의 원소를 함유하는 것을 특징으로 하는 흡착기.
- 청구항 14은(는) 설정등록료 납부시 포기되었습니다.제13항에 있어서, 상기 흡착층은 바륨, 나트륨, 칼륨으로 이루어진 군에서 선택되는 1종 이상의 원소를 함유하는 것을 특징으로 하는 흡착기.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 내연 기관의 배기 가스로부터 나온 NOx와 SOx 중 어느 하나 또는 양자를 흡착하는 것을 특징으로 하는 흡착기.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 NOx 와 SOx 중 어느 하나 또는 양자를 환원성 분위기하에서 또는 낮은 산소 농도에서 박리시키는 것을 특징으로 하는 흡착기.
- 청구항 17은(는) 설정등록료 납부시 포기되었습니다.제16항에 있어서, 산소 농도 또는 산소 농도를 포함한 변수를 측정하는 산소 농도 측정 장치와, 이러한 산소 농도 또는 산소 농도를 포함한 변수를 입력 변수로 하여 흡착기의 로딩 또는 언로딩을 개시하는 제어 장치가 마련되는 것을 특징으로 하는 흡착기.
- 청구항 18은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 NOx와 SOx 중 어느 하나 또는 양자를 높은 온도에서 박리시키는 것을 특징으로 하는 흡착기.
- 청구항 19은(는) 설정등록료 납부시 포기되었습니다.제18항에 있어서, 가스류, 흡착층, 지지체 중 어느 하나, 임의의 2개 또는 3개 모두의 온도 또는 온도를 포함한 변수를 측정하는 온도 측정 장치와, 이러한 온도 또는 온도를 포함한 변수를 입력 변수로 하여 흡착기의 로딩 또는 언로딩을 개시하는 제어 장치가 마련되는 것을 특징으로 하는 흡착기.
- 청구항 20은(는) 설정등록료 납부시 포기되었습니다.제19항에 있어서, 상기 제어 장치는 산소 농도 및 온도, 또는 산소 농도 및 온도를 포함한 변수를 입력 변수로서 하는 것을 특징으로 하는 흡착기.
- 청구항 21은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층의 두께는 세라믹의 경우에는 50㎛ 이상이고, 금속 지지체의 경우에는 25㎛ 이상인 것을 특징으로 하는 흡착기.
- 청구항 22은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 워시 코트(washcoat) 내측에 피복되는 것을 특징으로 하는 흡착기.
- 청구항 23은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층은 귀금속을 포함하는 것을 특징으로 하는 흡착기.
- 청구항 24은(는) 설정등록료 납부시 포기되었습니다.제23항에 있어서, 상기 흡착층은 귀금속에 의해 산화 촉매 또는 3 경로 촉매를 형성하는 것을 특징으로 하는 흡착기.
- 청구항 25은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착층의 공극 체적은 가스류가 유동할 수 있는 질량을 기초로 0.2 ㎤/g 이상인 것을 특징으로 하는 흡착기.
- 청구항 26은(는) 설정등록료 납부시 포기되었습니다.제1항 내지 제3항 중 어느 한 항에 있어서, 상기 흡착기의 상류와 하류 중 어느 한쪽 또는 양쪽에는 독립 유닛으로서 산화 촉매가 접속 배치되는 것을 특징으로 하는 흡착기.
- 내연 기관의 배기 가스류로부터 산화질소(NOx)를 제거하는 방법으로서,산소 함유 배기 가스류를 형성하면서 내연 기관을 작동시키는 단계,산소 함유 배기 가스류를 벽 두께가 0.16mm 이하이고 금속으로 이루어진 지지체 상의 내부에 NOx용 흡착 물질이 배치된 장치를 매개로 안내하는 단계,NOx를 흡착 물질에 의해 저장하는 단계,흡착 물질을 내연 기관의 작동과 동시에 또는 그 전후에 미리 정해진 온도 이상으로 가열하는 단계,산소가 희박한 배기 가스류 또는 화학양론적으로 과잉의 환원제를 구비한 배기 가스류를 형성하는 단계,흡착 물질이 미리 정해진 온도 이상으로 있는 동안에 산소가 없는 배기 가스류 또는 화학양론적으로 과잉의 환원제를 구비한 배기 가스류중에서 NOx를 환원하면서 NOx를 흡착 물질로부터 탈착시키는 단계,산소 함유 배기 가스류를 다시 형성하는 재형성 단계,흡착 물질을 미리 정해진 온도로 가열하는 단계를 상기 재형성 단계 전에, 단계와 동시에 또는 상기 단계후에 종료하는 단계, 및NOx를 흡착 물질에 의해 저장하는 단계로부터 다시 반복하는 단계를 포함하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 28은(는) 설정등록료 납부시 포기되었습니다.제27항에 있어서, 배기 가스류 중의 연료 분사 및 촉매 연소에 의해, 내연 기관의 작동 상태의 변경에 의해, 흡착 물질의 전기 가열에 의해, 버너에 의한 배기 가스류의 가열에 의해 흡착 물질을 가열하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 29은(는) 설정등록료 납부시 포기되었습니다.제27항 또는 제28항에 있어서, 흡착 물질을 내연 기관의 작동 중에 미리 정해진 온도 이상으로 가열하는 단계의 이전에, 흡착 물질 및 흡착 물질의 온도와 연관된 상황이 미리 정해진 온도 이상인지 여부를 검출하는 단계를 실시하고, 그러한 검출 단계에서 흡착 물질 및 흡착 물질의 온도와 연관된 상황이 미리 정해진 온도 이상인 것으로 확인될 경우에는, 흡착 물질을 내연 기관의 작동 중에 미리 정해진 온도 이상으로 가열하는 단계와, 흡착 물질을 내연 기관의 작동 중에 미리 정해진 온도 이상으로 가열하는 것을 종료하는 단계를 생략하는 것을 특징으로 하는 산화질소 제거 방법.
- 내연 기관의 배기 가스류로부터 산화질소(NOx)를 제거하는 방법으로서,산소 함유 배기 가스류를 형성하면서 내연 기관을 작동시키는 단계,산소 함유 배기 가스류를 벽 두께가 0.16mm 이하이고, 금속으로 이루어진 지지체 상의 내부에 NOx용 흡착 물질이 배치된 장치를 매개로 하여 안내하는 단계,NOx 를 흡착 물질에 의해 저장하는 단계,흡착 물질 또는 흡착 물질의 온도와 연관된 상황이 미리 정해진 온도 이상인지 여부를 검출하는 단계,흡착 물질이 미리 정해진 온도 이상으로 있는 동안에 산소가 희박한 배기 가스류 또는 화학양론적으로 과잉의 환원제를 구비한 배기 가스류를 형성하는 단계,흡착 물질이 미리 정해진 온도 이상으로 있는 동안에 산소가 희박한 배기 가스류 또는 화학양론적으로 과잉의 환원제를 구비한 배기 가스류중에서 NOx를 환원하면서 NOx를 흡착 물질로부터 탈착시키는 단계,산소 함유 배기 가스류를 다시 형성하는 단계, 그리고NOx를 흡착 물질에 의해 저장하는 단계로부터 다시 반복하는 단계를 포함하는 것을 특징으로 하는 산화질소 제거 방법.
- 제27항 또는 제30항에 있어서, 상기 방법 단계 중에 NOx 이외에도 산화황(SOx)을 흡착 물질에 의해 저장하거나 흡착 물질로부터 탈착시키는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 32은(는) 설정등록료 납부시 포기되었습니다.제31에 있어서, 흡착 물질의 탈착을 시간과 부하 중 어느 하나 또는 양자에 의존하여 실시하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 33은(는) 설정등록료 납부시 포기되었습니다.제27항 또는 제30항에 있어서, 흡착 물질로서 흡수 물질을 사용하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 34은(는) 설정등록료 납부시 포기되었습니다.제33항에 있어서, 흡착 물질은 γ-산화알루미늄과, 알칼리 금속, 알칼리 토금속, 희토류 및 란탄으로 이루어진 군에서 선택된 1종 이상의 원소를 함유하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 35은(는) 설정등록료 납부시 포기되었습니다.제27항 또는 제30항에 있어서, 배기 가스류를 난류 상태로 흡착 물질을 경유하여 안내하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 36은(는) 설정등록료 납부시 포기되었습니다.제27항 또는 제30항에 있어서, 배기 가스류를 다수의 평행하게 연장된 채널을 갖고 흡착 물질을 지지하는 지지체를 경유하여 안내하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 37은(는) 설정등록료 납부시 포기되었습니다.제36항에 있어서, 배기 가스류를 상이한 수의 채널과 상이한 유동 직경의 채널을 갖고 흡착 물질을 지지하는 지지체를 경유하고, 이 지지체로부터 50㎝ 이상 이격된 상태로 흡착 물질을 지지하는 지지체를 경유하여 안내하는 것을 특징으로 하는 산화질소 제거 방법.
- 청구항 38은(는) 설정등록료 납부시 포기되었습니다.제36항에 있어서, 배기 가스류를 비틀어지거나 만곡된 채널을 갖고 흡착 물질을 지지하는 지지체를 경유하여 안내하는 것을 특징으로 하는 산화질소 제거 방법.
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DE19633050.5 | 1996-08-19 | ||
DE19633050 | 1996-08-19 | ||
PCT/EP1997/004306 WO1998007504A1 (de) | 1996-08-19 | 1997-08-07 | NOx-ABSORBER |
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KR20000068020A KR20000068020A (ko) | 2000-11-25 |
KR100494189B1 true KR100494189B1 (ko) | 2005-06-10 |
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KR10-1999-7000653A Expired - Lifetime KR100494189B1 (ko) | 1996-08-19 | 1997-08-07 | NOx 흡착기 |
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US (2) | US6531099B1 (ko) |
EP (1) | EP0944428B1 (ko) |
JP (1) | JP2001503668A (ko) |
KR (1) | KR100494189B1 (ko) |
WO (1) | WO1998007504A1 (ko) |
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-
1997
- 1997-08-07 JP JP51033998A patent/JP2001503668A/ja not_active Ceased
- 1997-08-07 KR KR10-1999-7000653A patent/KR100494189B1/ko not_active Expired - Lifetime
- 1997-08-07 WO PCT/EP1997/004306 patent/WO1998007504A1/de active IP Right Grant
- 1997-08-07 EP EP97918968.5A patent/EP0944428B1/de not_active Expired - Lifetime
-
1999
- 1999-02-18 US US09/252,506 patent/US6531099B1/en not_active Expired - Lifetime
- 1999-05-19 US US09/314,204 patent/US6274106B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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JP2001503668A (ja) | 2001-03-21 |
EP0944428A1 (de) | 1999-09-29 |
KR20000068020A (ko) | 2000-11-25 |
US6274106B1 (en) | 2001-08-14 |
US6531099B1 (en) | 2003-03-11 |
WO1998007504A1 (de) | 1998-02-26 |
EP0944428B1 (de) | 2013-06-26 |
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