DE3440808A1 - Katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerken - Google Patents
Katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerkenInfo
- Publication number
- DE3440808A1 DE3440808A1 DE19843440808 DE3440808A DE3440808A1 DE 3440808 A1 DE3440808 A1 DE 3440808A1 DE 19843440808 DE19843440808 DE 19843440808 DE 3440808 A DE3440808 A DE 3440808A DE 3440808 A1 DE3440808 A1 DE 3440808A1
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- flotation
- mining
- additive
- coal
- 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.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000002803 fossil fuel Substances 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 6
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005065 mining Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000003245 coal Substances 0.000 claims abstract description 5
- 238000005188 flotation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910001868 water Inorganic materials 0.000 claims abstract description 4
- 239000003415 peat Substances 0.000 claims abstract 2
- -1 sawdust Substances 0.000 claims abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000996 additive effect Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 238000002468 ceramisation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- 239000003575 carbonaceous material Substances 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- 238000003763 carbonization Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- 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
- B01D53/8628—Processes characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843440808 DE3440808A1 (de) | 1984-11-08 | 1984-11-08 | Katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerken |
| DE19853523356 DE3523356A1 (de) | 1984-11-08 | 1985-06-29 | Herstellung von katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerken, durch keramisierung der masse unter luftabschluss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843440808 DE3440808A1 (de) | 1984-11-08 | 1984-11-08 | Katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerken |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3440808A1 true DE3440808A1 (de) | 1986-05-07 |
| DE3440808C2 DE3440808C2 (enrdf_load_stackoverflow) | 1987-07-23 |
Family
ID=6249794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843440808 Granted DE3440808A1 (de) | 1984-11-08 | 1984-11-08 | Katalysatoren fuer die no(pfeil abwaerts)x(pfeil abwaerts)-reduktion, vorzugsweise hinter fossilen kraftwerken |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3440808A1 (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987007852A1 (en) * | 1986-06-18 | 1987-12-30 | Bergwerksverband Gmbh | Process for producing an active carbon catalyst |
| US6540449B1 (en) | 1999-10-26 | 2003-04-01 | Sandvik Aktiebolag | Tool for chip removing machining |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1228548B (de) * | 1958-12-24 | 1966-11-10 | Houilleres Bassin Du Nord | Verfahren zur Herstellung keramischer Massen aus im Bergbau anfallenden Waschbergen |
| DE2631875A1 (de) * | 1976-04-08 | 1977-10-13 | Ngk Insulators Ltd | Keramischer cordierit-verbundkoerper und verfahren zu seiner herstellung |
| DE3422779A1 (de) * | 1984-06-20 | 1985-12-19 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Einsatz von keramisierenden traegermassen zur herstellung von katalysatoren |
-
1984
- 1984-11-08 DE DE19843440808 patent/DE3440808A1/de active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1228548B (de) * | 1958-12-24 | 1966-11-10 | Houilleres Bassin Du Nord | Verfahren zur Herstellung keramischer Massen aus im Bergbau anfallenden Waschbergen |
| DE2631875A1 (de) * | 1976-04-08 | 1977-10-13 | Ngk Insulators Ltd | Keramischer cordierit-verbundkoerper und verfahren zu seiner herstellung |
| DE3422779A1 (de) * | 1984-06-20 | 1985-12-19 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Einsatz von keramisierenden traegermassen zur herstellung von katalysatoren |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987007852A1 (en) * | 1986-06-18 | 1987-12-30 | Bergwerksverband Gmbh | Process for producing an active carbon catalyst |
| US4921826A (en) * | 1986-06-18 | 1990-05-01 | Bergwerksverband Gmbh | Process for producing an active carbon catalyst |
| US6540449B1 (en) | 1999-10-26 | 2003-04-01 | Sandvik Aktiebolag | Tool for chip removing machining |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3440808C2 (enrdf_load_stackoverflow) | 1987-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3523356 Format of ref document f/p: P |
|
| AG | Has addition no. |
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|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3523356 Format of ref document f/p: P |
|
| 8339 | Ceased/non-payment of the annual fee |