IT1009127B - Procedimento per il ricupero di me talli nobili - Google Patents
Procedimento per il ricupero di me talli nobiliInfo
- Publication number
- IT1009127B IT1009127B IT67244/74A IT6724474A IT1009127B IT 1009127 B IT1009127 B IT 1009127B IT 67244/74 A IT67244/74 A IT 67244/74A IT 6724474 A IT6724474 A IT 6724474A IT 1009127 B IT1009127 B IT 1009127B
- Authority
- IT
- Italy
- Prior art keywords
- nobili
- talli
- recovery
- procedure
- talli nobili
- Prior art date
Links
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
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0207—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Gas Separation By Absorption (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732335712 DE2335712B2 (de) | 1973-07-13 | 1973-07-13 | Vorrichtung zur wiedergewinnung von edelmetallen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1009127B true IT1009127B (it) | 1976-12-10 |
Family
ID=5886838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT67244/74A IT1009127B (it) | 1973-07-13 | 1974-01-29 | Procedimento per il ricupero di me talli nobili |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3954449A (it) |
| BE (1) | BE817630A (it) |
| DD (1) | DD114967A1 (it) |
| DE (1) | DE2335712B2 (it) |
| DK (1) | DK369274A (it) |
| EG (1) | EG11520A (it) |
| ES (1) | ES428210A1 (it) |
| FR (1) | FR2241636B1 (it) |
| GB (1) | GB1481017A (it) |
| HU (1) | HU169978B (it) |
| IT (1) | IT1009127B (it) |
| NL (1) | NL7409382A (it) |
| NO (1) | NO136541C (it) |
| PL (1) | PL91362B1 (it) |
| RO (1) | RO66326A (it) |
| ZA (1) | ZA744191B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4290263A (en) * | 1979-12-12 | 1981-09-22 | General Motors Corporation | Diesel engine exhaust trap particulate distribution and incineration balancing system |
| DE3907747A1 (de) * | 1989-03-10 | 1990-09-13 | Claas Saulgau Gmbh | Stuetzraeder fuer aufnehmer von erntemaschinen |
| US4948398A (en) * | 1989-04-28 | 1990-08-14 | Ceco Filters, Inc. | Multi-candle fiber mist eliminator |
| FR2922124B1 (fr) * | 2007-10-10 | 2010-11-05 | Inst Francais Du Petrole | Reacteur en lit fixe a couches minces pour le traitement chimique de solide catalytique finement divise |
| US8137648B2 (en) * | 2010-10-12 | 2012-03-20 | Ford Global Technologies, Llc | Diesel engine exhaust treatment system and method including a platinum group metal trapping device |
| CA2866327A1 (en) | 2012-03-05 | 2013-09-12 | Basf Se | Ammonia oxidation reactor with internal filter element |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2226113A (en) * | 1938-08-26 | 1940-12-24 | Hercules Powder Co Ltd | Method for reacting gas mixtures by means of precious metal catalysts |
| US2226149A (en) * | 1939-08-12 | 1940-12-24 | Baker & Co Inc | Method for reacting gas mixtures by means of precious metal catalysts |
| US2920953A (en) * | 1956-07-05 | 1960-01-12 | Chemie Linz Ag | Process and apparatus for recovering platinum and platinum-rhodium alloys from gasescontaining same |
| US3515541A (en) * | 1967-05-03 | 1970-06-02 | Chemie Linz Ag | Process for the recovery of noble metals |
| US3627497A (en) * | 1970-01-12 | 1971-12-14 | Chemical Construction Corp | Apparatus for catalytic ammonia oxidation |
-
1973
- 1973-07-13 DE DE19732335712 patent/DE2335712B2/de not_active Withdrawn
-
1974
- 1974-01-29 IT IT67244/74A patent/IT1009127B/it active
- 1974-06-17 NO NO742198A patent/NO136541C/no unknown
- 1974-06-21 GB GB27776/74A patent/GB1481017A/en not_active Expired
- 1974-06-24 FR FR7421814A patent/FR2241636B1/fr not_active Expired
- 1974-06-28 ZA ZA00744191A patent/ZA744191B/xx unknown
- 1974-07-10 EG EG267/74A patent/EG11520A/xx active
- 1974-07-10 DK DK369274A patent/DK369274A/da unknown
- 1974-07-11 NL NL7409382A patent/NL7409382A/xx unknown
- 1974-07-11 US US05/487,803 patent/US3954449A/en not_active Expired - Lifetime
- 1974-07-11 DD DD179866A patent/DD114967A1/xx unknown
- 1974-07-12 BE BE146541A patent/BE817630A/xx unknown
- 1974-07-12 RO RO7479466A patent/RO66326A/ro unknown
- 1974-07-12 ES ES428210A patent/ES428210A1/es not_active Expired
- 1974-07-12 HU HUCE1008A patent/HU169978B/hu unknown
- 1974-07-13 PL PL1974172704A patent/PL91362B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1481017A (en) | 1977-07-27 |
| NO742198L (it) | 1975-02-10 |
| HU169978B (it) | 1977-03-28 |
| NL7409382A (nl) | 1975-01-15 |
| ES428210A1 (es) | 1976-07-16 |
| FR2241636B1 (it) | 1978-05-26 |
| DE2335712A1 (de) | 1975-01-30 |
| FR2241636A1 (it) | 1975-03-21 |
| RO66326A (ro) | 1980-04-15 |
| PL91362B1 (it) | 1977-02-28 |
| NO136541C (no) | 1977-09-21 |
| DE2335712B2 (de) | 1977-09-22 |
| ZA744191B (en) | 1975-06-25 |
| NO136541B (it) | 1977-06-13 |
| DK369274A (it) | 1975-03-03 |
| BE817630A (fr) | 1975-01-13 |
| EG11520A (en) | 1977-10-31 |
| US3954449A (en) | 1976-05-04 |
| DD114967A1 (it) | 1975-09-05 |
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