DE2643456B2 - Verfahren zur Entfernung von Stickstoffoxiden aus Gasgemischen - Google Patents

Verfahren zur Entfernung von Stickstoffoxiden aus Gasgemischen

Info

Publication number: DE2643456B2
Authority: DE; Germany
Prior art keywords: denitration; reaction; temperature; gas; nitrogen oxides
Prior art date: 1975-09-27
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.): Ceased

Application number

DE19762643456

Other languages

German (de)

English (en)

Other versions

DE2643456A1 (de

Inventor

Hidetoshi Naka Akimoto

Yoshijiro Arikawa

Yukio Hitachi Hishinuma

Hideo Kikuchi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hitachi Ltd

Mitsubishi Power Ltd

Original Assignee

Babcock Hitachi KK

Hitachi Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1975-09-27

Filing date

1976-09-27

Publication date

1978-05-18

1976-09-27 Application filed by Babcock Hitachi KK, Hitachi Ltd filed Critical Babcock Hitachi KK

1977-03-31 Publication of DE2643456A1 publication Critical patent/DE2643456A1/de

1978-05-18 Publication of DE2643456B2 publication Critical patent/DE2643456B2/de

Status Ceased legal-status Critical Current

Links

MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 81
239000007789 gas Substances 0.000 title claims description 71
238000000034 method Methods 0.000 title claims description 29
239000000203 mixture Substances 0.000 title claims description 18
230000008569 process Effects 0.000 title claims description 16
238000006243 chemical reaction Methods 0.000 claims description 42
239000003638 chemical reducing agent Substances 0.000 claims description 36
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 33
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
229910021529 ammonia Inorganic materials 0.000 claims description 16
229910052757 nitrogen Inorganic materials 0.000 claims description 13
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
229910001868 water Inorganic materials 0.000 claims description 11
230000003197 catalytic effect Effects 0.000 claims description 6
125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
150000001408 amides Chemical class 0.000 claims description 4
150000001412 amines Chemical class 0.000 claims description 4
229910017464 nitrogen compound Inorganic materials 0.000 claims description 4
150000002830 nitrogen compounds Chemical class 0.000 claims description 4
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 56
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 28
239000001301 oxygen Substances 0.000 description 28
229910052760 oxygen Inorganic materials 0.000 description 28
239000003054 catalyst Substances 0.000 description 27
238000006722 reduction reaction Methods 0.000 description 22
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 21
239000004202 carbamide Substances 0.000 description 21
239000007787 solid Substances 0.000 description 15
230000009467 reduction Effects 0.000 description 14
239000007788 liquid Substances 0.000 description 12
238000002485 combustion reaction Methods 0.000 description 11
239000011521 glass Substances 0.000 description 7
238000007254 oxidation reaction Methods 0.000 description 7
-1 ethylenediainine Chemical compound 0.000 description 6
239000000463 material Substances 0.000 description 6
238000010531 catalytic reduction reaction Methods 0.000 description 5
238000006477 desulfuration reaction Methods 0.000 description 5
230000023556 desulfurization Effects 0.000 description 5
230000002829 reductive effect Effects 0.000 description 5
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
239000000428 dust Substances 0.000 description 4
238000011835 investigation Methods 0.000 description 4
230000003647 oxidation Effects 0.000 description 4
239000007921 spray Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
229910002091 carbon monoxide Inorganic materials 0.000 description 3
UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
238000002156 mixing Methods 0.000 description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 3
229910052815 sulfur oxide Inorganic materials 0.000 description 3
239000010936 titanium Substances 0.000 description 3
229910052719 titanium Inorganic materials 0.000 description 3
229910052720 vanadium Inorganic materials 0.000 description 3
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 3
DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 description 2
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
230000009471 action Effects 0.000 description 2
238000000889 atomisation Methods 0.000 description 2
WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
229910002092 carbon dioxide Inorganic materials 0.000 description 2
239000001569 carbon dioxide Substances 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
230000000694 effects Effects 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
125000004433 nitrogen atom Chemical group N* 0.000 description 2
230000001590 oxidative effect Effects 0.000 description 2
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
238000007086 side reaction Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
238000005507 spraying Methods 0.000 description 2
FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 1
JPZYXGPCHFZBHO-UHFFFAOYSA-N 1-aminopentadecane Chemical compound CCCCCCCCCCCCCCCN JPZYXGPCHFZBHO-UHFFFAOYSA-N 0.000 description 1
BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
HTJDQJBWANPRPF-UHFFFAOYSA-N Cyclopropylamine Chemical compound NC1CC1 HTJDQJBWANPRPF-UHFFFAOYSA-N 0.000 description 1
MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 description 1
RYECOJGRJDOGPP-UHFFFAOYSA-N Ethylurea Chemical compound CCNC(N)=O RYECOJGRJDOGPP-UHFFFAOYSA-N 0.000 description 1
WJYIASZWHGOTOU-UHFFFAOYSA-N Heptylamine Chemical compound CCCCCCCN WJYIASZWHGOTOU-UHFFFAOYSA-N 0.000 description 1
241000243251 Hydra Species 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
ZSBDPRIWBYHIAF-UHFFFAOYSA-N N-acetyl-acetamide Natural products CC(=O)NC(C)=O ZSBDPRIWBYHIAF-UHFFFAOYSA-N 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
PLZVEHJLHYMBBY-UHFFFAOYSA-N Tetradecylamine Chemical compound CCCCCCCCCCCCCCN PLZVEHJLHYMBBY-UHFFFAOYSA-N 0.000 description 1
DFPAKSUCGFBDDF-ZQBYOMGUSA-N [14c]-nicotinamide Chemical compound N[14C](=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-ZQBYOMGUSA-N 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
239000012876 carrier material Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
238000005352 clarification Methods 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
239000000571 coke Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000010276 construction Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
DGJMPUGMZIKDRO-UHFFFAOYSA-N cyanoacetamide Chemical compound NC(=O)CC#N DGJMPUGMZIKDRO-UHFFFAOYSA-N 0.000 description 1
KZZKOVLJUKWSKX-UHFFFAOYSA-N cyclobutanamine Chemical compound NC1CCC1 KZZKOVLJUKWSKX-UHFFFAOYSA-N 0.000 description 1
NISGSNTVMOOSJQ-UHFFFAOYSA-N cyclopentanamine Chemical compound NC1CCCC1 NISGSNTVMOOSJQ-UHFFFAOYSA-N 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
229940043279 diisopropylamine Drugs 0.000 description 1
WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000002803 fossil fuel Substances 0.000 description 1
239000008246 gaseous mixture Substances 0.000 description 1
ALBYIUDWACNRRB-UHFFFAOYSA-N hexanamide Chemical compound CCCCCC(N)=O ALBYIUDWACNRRB-UHFFFAOYSA-N 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 description 1
125000001841 imino group Chemical group [H]N=* 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
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 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
JACMPVXHEARCBO-UHFFFAOYSA-N n-pentylpentan-1-amine Chemical compound CCCCCNCCCCC JACMPVXHEARCBO-UHFFFAOYSA-N 0.000 description 1
DYUWTXWIYMHBQS-UHFFFAOYSA-N n-prop-2-enylprop-2-en-1-amine Chemical compound C=CCNCC=C DYUWTXWIYMHBQS-UHFFFAOYSA-N 0.000 description 1
238000006396 nitration reaction Methods 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 description 1
LTHCSWBWNVGEFE-UHFFFAOYSA-N octanamide Chemical compound CCCCCCCC(N)=O LTHCSWBWNVGEFE-UHFFFAOYSA-N 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
238000011045 prefiltration Methods 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000005245 sintering Methods 0.000 description 1
239000011949 solid catalyst Substances 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
150000004992 toluidines Chemical class 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
ABVVEAHYODGCLZ-UHFFFAOYSA-N tridecan-1-amine Chemical compound CCCCCCCCCCCCCN ABVVEAHYODGCLZ-UHFFFAOYSA-N 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
239000010937 tungsten Substances 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides

Landscapes

Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Biomedical Technology (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Catalysts (AREA)
Treating Waste Gases (AREA)

DE19762643456 1975-09-27 1976-09-27 Verfahren zur Entfernung von Stickstoffoxiden aus Gasgemischen Ceased DE2643456B2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50117064A JPS581616B2 (ja)	1975-09-27	1975-09-27	脱硝反応塔

Publications (2)

Publication Number	Publication Date
DE2643456A1 DE2643456A1 (de)	1977-03-31
DE2643456B2 true DE2643456B2 (de)	1978-05-18

Family

ID=14702520

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE19762643456 Ceased DE2643456B2 (de)	1975-09-27	1976-09-27	Verfahren zur Entfernung von Stickstoffoxiden aus Gasgemischen

Country Status (4)

Country	Link
JP (1)	JPS581616B2 (ja)
DE (1)	DE2643456B2 (ja)
FR (1)	FR2325420A1 (ja)
GB (1)	GB1518231A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005059250A1 (de) *	2005-12-12	2007-06-14	Jacob, Eberhard, Dr.	Ammoniakvorläufersubstanz und Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen von Fahrzeugen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3405650A1 (de) *	1983-07-12	1985-01-24	Uhde Gmbh, 4600 Dortmund	Verfahren zur verringerung von no(pfeil abwaerts)x(pfeil abwaerts)-gehalten in abgasen
DE3518704A1 (de) *	1985-05-24	1986-11-27	Ekkehard Prof. Dr.-Ing. 4300 Essen Weber	Verfahren zur reduktiven abtrennung von stickoxiden
DE3542145A1 (de) *	1985-11-28	1987-06-04	Krupp Polysius Ag	Verfahren zur herstellung von zement

1975
- 1975-09-27 JP JP50117064A patent/JPS581616B2/ja not_active Expired
1976
- 1976-09-24 FR FR7628795A patent/FR2325420A1/fr active Pending
- 1976-09-24 GB GB3984576A patent/GB1518231A/en not_active Expired
- 1976-09-27 DE DE19762643456 patent/DE2643456B2/de not_active Ceased

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005059250A1 (de) *	2005-12-12	2007-06-14	Jacob, Eberhard, Dr.	Ammoniakvorläufersubstanz und Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen von Fahrzeugen
DE102005059250B4 (de) *	2005-12-12	2014-03-13	Man Truck & Bus Ag	Ammoniakvorläufersubstanz und Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen von Fahrzeugen

Also Published As

Publication number	Publication date
FR2325420A1 (fr)	1977-04-22
JPS5240472A (en)	1977-03-29
JPS581616B2 (ja)	1983-01-12
GB1518231A (en)	1978-07-19
DE2643456A1 (de)	1977-03-31

Publication	Publication Date	Title
DE69117163T2 (de)	1996-09-05	Stickoxidreduktion mittels eines harnstoffhydrolysats
DE2414333C3 (de)	1981-09-10	Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen
DE2832002C3 (de)	1986-04-17	Verfahren zum Entfernen von Stickstoffoxiden aus Verbrennungsabgasen
DE69110670T2 (de)	1996-01-11	Verfahren zur reduktion von stickstoffoxiden ohne erzeugung von distickstoffmonoxid.
DE2630202A1 (de)	1977-02-03	Verfahren zum reduzieren von stickoxiden in verbrennungsabgasen
DE2802194C3 (de)	1981-09-10	Verfahren zum Entfernen von Stickstoffoxiden aus Abgasen
DE2411672A1 (de)	1974-09-19	Verfahren zur reduzierung von no in verbrennungsabgasen
DE2754932A1 (de)	1978-06-15	Verfahren zum entfernen von stickstoffoxiden aus gas mit ammoniak
DE68918587T2 (de)	1995-02-02	Ermässigung des gehaltes an stickstoffmonooxyds durch sublimation von cyanürsäure.
DE2520540C3 (de)	1980-06-12	Verfahren zum Entfernen von Stickoxiden aus Verbrennungsabgasen
CH675715A5 (ja)	1990-10-31
DE69401983T2 (de)	1997-08-14	Verfahren zur Entfernung von N2O aus Abgasen von Stickoxid-Oxidationen
EP0514729B1 (de)	1996-04-24	Verfahren zur Entfernung des Ammoniakgehaltes in Gasen
DE69832905T2 (de)	2006-09-07	Verfahren zur entfernung von stickoxiden aus abgasen
DE2504027A1 (de)	1975-08-07	Verfahren zur entfernung von stickoxiden aus abgasen
DE4020914A1 (de)	1992-01-02	Verfahren zur entfernung des ammoniak-gehaltes in gasen
DE2643456B2 (de)	1978-05-18	Verfahren zur Entfernung von Stickstoffoxiden aus Gasgemischen
DE60118745T2 (de)	2006-11-16	Verfahren zur herstellung von cyclohexanonoxim
DE3000383A1 (de)	1980-07-31	Verfahren zur katalytischen reduktion von stickoxiden
DE2411888C3 (de)	1982-05-19	Verfahren zur Beseitigung von Stickstoffoxiden in Abgasen
DE60011665T2 (de)	2004-10-14	Reduktion von n2o emissionen
DE2623686B2 (de)	1978-06-22	Verfahren zur Entfernung von Stickstoffoxiden aus Abgasen
EP0502192A1 (de)	1992-09-09	Verfahren zum entfernen von stickoxiden aus abgasen
DE102011017032A1 (de)	2012-10-18	Verfahren und Anlage zur Abreicherung von Stickoxiden aus sauerstoffhaltigen Gasströmen
DE2348295B2 (de)	1978-08-03	Verfahren zur Entfernung von Stickstoffoxiden aus Gasen

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