DE2855101C2 - Edelmetallgitter für die Rückgewinnung der einem platinelementhaltigen Katalysator während der Reaktion entweichenden Platinelemente - Google Patents
Edelmetallgitter für die Rückgewinnung der einem platinelementhaltigen Katalysator während der Reaktion entweichenden PlatinelementeInfo
- Publication number
- DE2855101C2 DE2855101C2 DE2855101A DE2855101A DE2855101C2 DE 2855101 C2 DE2855101 C2 DE 2855101C2 DE 2855101 A DE2855101 A DE 2855101A DE 2855101 A DE2855101 A DE 2855101A DE 2855101 C2 DE2855101 C2 DE 2855101C2
- Authority
- DE
- Germany
- Prior art keywords
- platinum
- recovery
- grids
- reaction
- precious 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims description 33
- 238000011084 recovery Methods 0.000 title claims description 18
- 229910052697 platinum Inorganic materials 0.000 title claims description 17
- 239000003054 catalyst Substances 0.000 title claims description 9
- 238000006243 chemical reaction Methods 0.000 title claims description 8
- 239000010970 precious metal Substances 0.000 title claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003779 heat-resistant material Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- 239000003353 gold alloy Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 platinum metals Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding 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
- C01B21/267—Means for preventing deterioration or loss of catalyst or for recovering lost catalyst
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- C22B11/021—Recovery of noble metals from waste materials
- C22B11/026—Recovery of noble metals from waste materials from spent catalysts
- C22B11/028—Recovery of noble metals from waste materials from spent catalysts using solid sorbents, e.g. getters or catchment gauzes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/001—Dry processes
- C22B7/003—Dry processes only remelting, e.g. of chips, borings, turnings; apparatus used therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Catalysts (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2855101A DE2855101C2 (de) | 1978-12-20 | 1978-12-20 | Edelmetallgitter für die Rückgewinnung der einem platinelementhaltigen Katalysator während der Reaktion entweichenden Platinelemente |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2855101A DE2855101C2 (de) | 1978-12-20 | 1978-12-20 | Edelmetallgitter für die Rückgewinnung der einem platinelementhaltigen Katalysator während der Reaktion entweichenden Platinelemente |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2855101A1 DE2855101A1 (de) | 1980-07-10 |
DE2855101C2 true DE2855101C2 (de) | 1987-04-30 |
Family
ID=6057794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2855101A Expired DE2855101C2 (de) | 1978-12-20 | 1978-12-20 | Edelmetallgitter für die Rückgewinnung der einem platinelementhaltigen Katalysator während der Reaktion entweichenden Platinelemente |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2855101C2 (zh) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1810554A1 (de) * | 1968-11-23 | 1970-06-04 | Degussa | Verfahren zur gleichmaessigen Beladung mehrerer Rueckgewinnungsnetze bei der Wiedergewinnung des bei katalytischen Reaktionen,insbesondere bei der Ammoniakverbrennung,sich verfluechtigenden Platins |
DE1810555A1 (de) * | 1968-11-23 | 1970-06-04 | Degussa | Verfahren zur Wiedergewinnung des bei katalytischen Reaktionen,insbesondere bei der Ammoniakverbrennung,sich verfluechtigenden Platins |
-
1978
- 1978-12-20 DE DE2855101A patent/DE2855101C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2855101A1 (de) | 1980-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OI | Miscellaneous see part 1 | ||
8120 | Willingness to grant licences paragraph 23 | ||
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: C22B 11/02 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |