DE2341242A1 - Verfahren zur behandlung von abgasen - Google Patents
Verfahren zur behandlung von abgasenInfo
- Publication number
- DE2341242A1 DE2341242A1 DE19732341242 DE2341242A DE2341242A1 DE 2341242 A1 DE2341242 A1 DE 2341242A1 DE 19732341242 DE19732341242 DE 19732341242 DE 2341242 A DE2341242 A DE 2341242A DE 2341242 A1 DE2341242 A1 DE 2341242A1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- gas
- oxide
- ammonia
- treated
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 29
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 87
- 239000007789 gas Substances 0.000 claims description 74
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 68
- 239000003054 catalyst Substances 0.000 claims description 63
- 229910021529 ammonia Inorganic materials 0.000 claims description 34
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 20
- 239000005751 Copper oxide Substances 0.000 claims description 20
- 229910000431 copper oxide Inorganic materials 0.000 claims description 20
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 19
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 15
- 238000005470 impregnation Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052760 oxygen Inorganic materials 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 229910052723 transition metal Inorganic materials 0.000 claims description 6
- 150000003624 transition metals Chemical class 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910000314 transition metal oxide Inorganic materials 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002594 sorbent Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 239000011149 active material Substances 0.000 description 12
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 206010035148 Plague Diseases 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000010970 precious metal Substances 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- -1 copper Chemical class 0.000 description 2
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 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
- 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
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- AMAGVGJJHVRPSI-UHFFFAOYSA-N potassium vanadium Chemical compound [K].[V] AMAGVGJJHVRPSI-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000019635 sulfation Effects 0.000 description 1
- 238000005670 sulfation reaction Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 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
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—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
- B01D53/92—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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28583272A | 1972-09-01 | 1972-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2341242A1 true DE2341242A1 (de) | 1974-03-21 |
Family
ID=23095888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732341242 Withdrawn DE2341242A1 (de) | 1972-09-01 | 1973-08-16 | Verfahren zur behandlung von abgasen |
Country Status (8)
| Country | Link |
|---|---|
| JP (2) | JPS6059004B2 (enrdf_load_stackoverflow) |
| BE (1) | BE804317A (enrdf_load_stackoverflow) |
| CA (1) | CA1007830A (enrdf_load_stackoverflow) |
| DE (1) | DE2341242A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2197628B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1438120A (enrdf_load_stackoverflow) |
| IT (1) | IT993099B (enrdf_load_stackoverflow) |
| NL (1) | NL7312041A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2458888A1 (de) * | 1973-12-12 | 1975-06-19 | Babcock Hitachi Kk | Verfahren zur reduktion von stickstoffoxiden zu stickstoff und katalysatormassen hierfuer |
| DE2525880A1 (de) * | 1974-06-11 | 1976-01-02 | Japan Gasoline | Verfahren zum entfernen von stickstoffoxiden aus abgasen |
| DE2534270A1 (de) * | 1974-08-06 | 1976-02-19 | Japan Gasoline | Katalysator und verfahren zur reduktion von stickstoffoxiden |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438120A (en) * | 1972-09-01 | 1976-06-03 | Exxon Research Engineering Co | Removal of nitrogen oxides from flue gas |
| JPS5012393B2 (enrdf_load_stackoverflow) * | 1973-03-13 | 1975-05-12 | ||
| JPS5523086B2 (enrdf_load_stackoverflow) * | 1973-03-26 | 1980-06-20 | ||
| JPS5511892B2 (enrdf_load_stackoverflow) * | 1973-04-18 | 1980-03-28 | ||
| JPS525433B2 (enrdf_load_stackoverflow) * | 1973-04-18 | 1977-02-14 | ||
| GB1474184A (en) * | 1973-05-08 | 1977-05-18 | Shell Int Research | Process for removing sulphur oxides and particulate matter from waste gases and apparatus therefor |
| JPS5315705B2 (enrdf_load_stackoverflow) * | 1973-05-12 | 1978-05-26 | ||
| US4107272A (en) * | 1973-05-21 | 1978-08-15 | Hitachi, Ltd. | Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts |
| JPS5041764A (enrdf_load_stackoverflow) * | 1973-08-17 | 1975-04-16 | ||
| JPS5621450B2 (enrdf_load_stackoverflow) * | 1973-09-29 | 1981-05-19 | ||
| JPS5116273A (ja) * | 1974-07-31 | 1976-02-09 | Hitachi Ltd | Datsushosochiniokeru nh3 chunyuryono seigyoho |
| JPS5127865A (enrdf_load_stackoverflow) * | 1974-09-02 | 1976-03-09 | Asahi Chemical Ind | |
| JPS539598B2 (enrdf_load_stackoverflow) * | 1974-09-10 | 1978-04-06 | ||
| JPS542913B2 (enrdf_load_stackoverflow) * | 1974-09-19 | 1979-02-15 | ||
| US4031185A (en) * | 1975-02-03 | 1977-06-21 | Hitachi, Ltd. | Process for making nitrogen oxides contained in flue gas harmless |
| JPS51108666A (enrdf_load_stackoverflow) * | 1975-03-20 | 1976-09-27 | Asahi Glass Co Ltd | |
| US4104361A (en) * | 1975-03-28 | 1978-08-01 | Exxon Research & Engineering Co. | Catalyst for reduction of nitrogen oxides and process for preparing the same |
| JPS5210856A (en) * | 1975-07-16 | 1977-01-27 | Kyushu Sekisui Kogyo Kk | Process and apparatus for removal of nitrogen oxides |
| JPS5230285A (en) * | 1975-09-03 | 1977-03-07 | Seitetsu Kagaku Co Ltd | Regeneration method of catalyst |
| JPS609201B2 (ja) * | 1975-09-29 | 1985-03-08 | 株式会社日立製作所 | 排熱回収ボイラ装置 |
| NL7601371A (nl) * | 1976-02-11 | 1977-08-15 | Shell Int Research | Werkwijze voor het gelijktijdig verwijderen van stikstofoxyden en zwaveloxyden uit een gasstroom. |
| US4251496A (en) * | 1979-03-22 | 1981-02-17 | Exxon Research & Engineering Co. | Process for the removal of SOx and NOx from gaseous mixture containing the same |
| FR2466434A1 (fr) * | 1979-10-01 | 1981-04-10 | Uop Inc | Procede de separation simultanee des oxydes de soufre et d'azote d'un melange gazeux |
| JPS56150421A (en) * | 1980-04-23 | 1981-11-20 | Hitachi Ltd | Cleaning of waste gas |
| DE3140657C2 (de) * | 1981-10-13 | 1985-04-18 | Alkem Gmbh, 6450 Hanau | Verfahren zum Endkonditionieren von Schadstoffe, insbesondere radioaktive und/oder toxische Schadstoffe, enthaltender wäßriger Lösung |
| DE3423744A1 (de) * | 1984-06-28 | 1986-01-09 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur abscheidung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) |
| JPH0747130B2 (ja) * | 1991-07-23 | 1995-05-24 | 株式会社コロイドリサーチ | 窒素酸化物分解触媒の製造方法 |
| CN112569777A (zh) * | 2019-09-27 | 2021-03-30 | 富利康科技股份有限公司 | 适用于低温环境的抗水气脱硝装置及触媒 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1438120A (en) * | 1972-09-01 | 1976-06-03 | Exxon Research Engineering Co | Removal of nitrogen oxides from flue gas |
-
1973
- 1973-08-01 GB GB3653073A patent/GB1438120A/en not_active Expired
- 1973-08-01 CA CA177,868A patent/CA1007830A/en not_active Expired
- 1973-08-16 DE DE19732341242 patent/DE2341242A1/de not_active Withdrawn
- 1973-08-30 IT IT2839773A patent/IT993099B/it active
- 1973-08-31 BE BE135200A patent/BE804317A/xx unknown
- 1973-08-31 NL NL7312041A patent/NL7312041A/xx not_active Application Discontinuation
- 1973-08-31 JP JP48097409A patent/JPS6059004B2/ja not_active Expired
- 1973-08-31 FR FR7331621A patent/FR2197628B1/fr not_active Expired
-
1975
- 1975-04-15 JP JP50044902A patent/JPS5837010B2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2458888A1 (de) * | 1973-12-12 | 1975-06-19 | Babcock Hitachi Kk | Verfahren zur reduktion von stickstoffoxiden zu stickstoff und katalysatormassen hierfuer |
| DE2525880A1 (de) * | 1974-06-11 | 1976-01-02 | Japan Gasoline | Verfahren zum entfernen von stickstoffoxiden aus abgasen |
| DE2534270A1 (de) * | 1974-08-06 | 1976-02-19 | Japan Gasoline | Katalysator und verfahren zur reduktion von stickstoffoxiden |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5123474A (enrdf_load_stackoverflow) | 1976-02-25 |
| JPS5837010B2 (ja) | 1983-08-13 |
| CA1007830A (en) | 1977-04-05 |
| GB1438120A (en) | 1976-06-03 |
| IT993099B (it) | 1975-09-30 |
| JPS4975464A (enrdf_load_stackoverflow) | 1974-07-22 |
| NL7312041A (enrdf_load_stackoverflow) | 1974-03-05 |
| BE804317A (fr) | 1974-02-28 |
| FR2197628B1 (enrdf_load_stackoverflow) | 1980-03-28 |
| JPS6059004B2 (ja) | 1985-12-23 |
| FR2197628A1 (enrdf_load_stackoverflow) | 1974-03-29 |
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