BE450179A - - Google Patents
Info
- Publication number
- BE450179A BE450179A BE450179DA BE450179A BE 450179 A BE450179 A BE 450179A BE 450179D A BE450179D A BE 450179DA BE 450179 A BE450179 A BE 450179A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- 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
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- 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
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Catalysts (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE450179X | 1942-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE450179A true BE450179A (xx) | 1900-01-01 |
Family
ID=6538366
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE450179D BE450179A (xx) | 1942-04-24 | ||
BE452298A BE452298A (fr) | 1942-04-24 | 1943-09-14 | Récupération du platine se volatilisant dans la combustion de l'ammoniaque |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE452298A BE452298A (fr) | 1942-04-24 | 1943-09-14 | Récupération du platine se volatilisant dans la combustion de l'ammoniaque |
Country Status (5)
Country | Link |
---|---|
BE (2) | BE452298A (xx) |
CH (1) | CH235560A (xx) |
DE (3) | DE747120C (xx) |
FR (2) | FR892074A (xx) |
NL (2) | NL64335C (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972472C (de) * | 1944-12-19 | 1959-07-30 | Lonza Werke Elektrochemische F | Verfahren zur Wiedergewinnung der aus Katalysatoren aus Platin bzw. Platinlegierungen sich verfluechtigenden Platinmetalle |
DE938908C (de) * | 1953-09-17 | 1956-02-09 | Basf Ag | Verfahren zur Wiedergewinnung von Edelmetallen, insbesondere Metallen der Platingruppe, aus den bei katalytischen Umsetzungen an solchen Metallen gebildeten Reaktionsgasen |
US3515541A (en) * | 1967-05-03 | 1970-06-02 | Chemie Linz Ag | Process for the recovery of noble metals |
ES388847A1 (es) * | 1970-03-05 | 1973-06-01 | Engelhard Min & Chem | Un procedimiento para la recuperacion de metales del grupo del platino arrastrados en una corriente de gases calientes que sale de un lecho de catalizador. |
GB8516333D0 (en) * | 1985-06-28 | 1985-07-31 | Johnson Matthey Plc | Nitric oxide |
-
0
- NL NL64418D patent/NL64418C/xx active
- BE BE450179D patent/BE450179A/xx unknown
- NL NL64335D patent/NL64335C/xx active
-
1942
- 1942-04-25 DE DED87647D patent/DE747120C/de not_active Expired
-
1943
- 1943-03-10 FR FR892074D patent/FR892074A/fr not_active Expired
- 1943-03-30 CH CH235560D patent/CH235560A/de unknown
- 1943-04-02 DE DED5340D patent/DE884639C/de not_active Expired
- 1943-06-09 DE DED5337D patent/DE878799C/de not_active Expired
- 1943-08-25 FR FR53120D patent/FR53120E/fr not_active Expired
- 1943-09-14 BE BE452298A patent/BE452298A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
NL64418C (xx) | 1900-01-01 |
FR892074A (fr) | 1944-03-28 |
DE878799C (de) | 1953-06-05 |
FR53120E (fr) | 1945-09-19 |
NL64335C (xx) | 1900-01-01 |
CH235560A (de) | 1944-12-15 |
DE747120C (de) | 1944-02-22 |
DE884639C (de) | 1953-07-27 |
BE452298A (fr) | 1943-10-30 |