DE2101188C2 - Verfahren zur Oxidation von Ammoniak - Google Patents
Verfahren zur Oxidation von AmmoniakInfo
- Publication number
- DE2101188C2 DE2101188C2 DE2101188A DE2101188A DE2101188C2 DE 2101188 C2 DE2101188 C2 DE 2101188C2 DE 2101188 A DE2101188 A DE 2101188A DE 2101188 A DE2101188 A DE 2101188A DE 2101188 C2 DE2101188 C2 DE 2101188C2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- gauze
- layers
- ammonia
- metal
- 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
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 102
- 229910021529 ammonia Inorganic materials 0.000 title claims description 50
- 238000000034 method Methods 0.000 title claims description 23
- 230000003647 oxidation Effects 0.000 title claims description 19
- 238000007254 oxidation reaction Methods 0.000 title claims description 19
- 230000008569 process Effects 0.000 title claims description 9
- 239000003054 catalyst Substances 0.000 claims description 105
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 53
- 229910052751 metal Inorganic materials 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 41
- 238000012856 packing Methods 0.000 claims description 27
- 239000007789 gas Substances 0.000 claims description 21
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 7
- 239000010953 base metal Substances 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000006262 metallic foam Substances 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 40
- 238000002474 experimental method Methods 0.000 description 25
- 239000011651 chromium Substances 0.000 description 17
- 229910052703 rhodium Inorganic materials 0.000 description 17
- 239000010948 rhodium Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 16
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 14
- 239000000956 alloy Substances 0.000 description 14
- 229910017604 nitric acid Inorganic materials 0.000 description 14
- 229910052804 chromium Inorganic materials 0.000 description 13
- 229910052697 platinum Inorganic materials 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910000629 Rh alloy Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000009533 lab test Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 229910018967 Pt—Rh Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000012494 Quartz wool Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action 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
- 239000000538 analytical sample Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Filtering Materials (AREA)
- Knitting Of Fabric (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US225570A | 1970-01-12 | 1970-01-12 | |
| US7156070A | 1970-09-11 | 1970-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2101188A1 DE2101188A1 (de) | 1971-07-22 |
| DE2101188C2 true DE2101188C2 (de) | 1984-10-25 |
Family
ID=26670137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2101188A Expired DE2101188C2 (de) | 1970-01-12 | 1971-01-12 | Verfahren zur Oxidation von Ammoniak |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4929436B1 (https=) |
| BE (1) | BE761389A (https=) |
| DE (1) | DE2101188C2 (https=) |
| ES (1) | ES385100A1 (https=) |
| FR (1) | FR2074921A5 (https=) |
| GB (1) | GB1347491A (https=) |
| NL (1) | NL174243C (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064975B (en) * | 1979-10-18 | 1984-03-14 | Johnson Matthey Co Ltd | Fibrous catalytic materials |
| IE50367B1 (en) * | 1979-11-08 | 1986-04-02 | Johnson Matthey Co Ltd | Improvements in and relating to catalyst units |
| FR2694306B1 (fr) * | 1992-07-31 | 1994-10-21 | Louyot Comptoir Lyon Alemand | Fils comprenant un élément hélicoïdal, leurs assemblages et l'utilisation desdits assemblages comme catalyseur et/ou pour récupérer des métaux précieux. |
| RU2358901C2 (ru) | 2003-04-29 | 2009-06-20 | Джонсон Мэтти Плс | Разработка улучшенной загрузки катализатора |
| DE102018003340A1 (de) * | 2018-04-24 | 2019-10-24 | Linde Aktiengesellschaft | Vermeidung von Korrosionsschäden an Isothermreaktoren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1318336A (en) * | 1919-10-07 | Making oxids of bismuth | ||
| AT105358B (de) * | 1924-12-08 | 1927-01-25 | Ivar Walfrid Dr Cederberg | Vorrichtung zur katalytischen Verbrennung von Ammoniak. |
| BE369335A (https=) * | 1929-08-26 | |||
| DE838285C (de) * | 1950-02-09 | 1954-03-08 | Degussa | Verfahren zur Wiedergewinnung von Platin bei der Benutzung von Platinkatalysatoren, insbesondere bei der Ammoniakoxydation |
-
1970
- 1970-10-31 ES ES385100A patent/ES385100A1/es not_active Expired
- 1970-11-12 JP JP45099771A patent/JPS4929436B1/ja active Pending
- 1970-11-13 FR FR7040680A patent/FR2074921A5/fr not_active Expired
-
1971
- 1971-01-08 BE BE761389A patent/BE761389A/xx not_active IP Right Cessation
- 1971-01-11 GB GB132371A patent/GB1347491A/en not_active Expired
- 1971-01-12 NL NLAANVRAGE7100386,A patent/NL174243C/xx not_active IP Right Cessation
- 1971-01-12 DE DE2101188A patent/DE2101188C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE761389A (fr) | 1971-07-08 |
| NL174243B (nl) | 1983-12-16 |
| ES385100A1 (es) | 1973-03-16 |
| NL7100386A (https=) | 1971-07-14 |
| DE2101188A1 (de) | 1971-07-22 |
| FR2074921A5 (https=) | 1971-10-08 |
| NL174243C (nl) | 1984-05-16 |
| GB1347491A (en) | 1974-02-27 |
| JPS4929436B1 (https=) | 1974-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8127 | New person/name/address of the applicant |
Owner name: ENGELHARD CORP., 08830 ISELIN, N.J., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: ABITZ, W., DIPL.-ING.DR.-ING. MORF, D., DR. GRITSC |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |