FR2177881A1 - - Google Patents
Info
- Publication number
- FR2177881A1 FR2177881A1 FR7310463A FR7310463A FR2177881A1 FR 2177881 A1 FR2177881 A1 FR 2177881A1 FR 7310463 A FR7310463 A FR 7310463A FR 7310463 A FR7310463 A FR 7310463A FR 2177881 A1 FR2177881 A1 FR 2177881A1
- Authority
- FR
- France
- 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
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D59/00—Separation of different isotopes of the same chemical element
- B01D59/10—Separation by diffusion
- B01D59/12—Separation by diffusion by diffusion through barriers
- B01D59/14—Construction of the barrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/022—Metals
- B01D71/0223—Group 8, 9 or 10 metals
- B01D71/02232—Nickel
-
- 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
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- 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
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT22344/72A IT950730B (it) | 1972-03-24 | 1972-03-24 | Setti porosi di tipo composito adat ti per impianti di diffusione gasso sa di catalisi e simili |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2177881A1 true FR2177881A1 (fr) | 1973-11-09 |
FR2177881B1 FR2177881B1 (fr) | 1976-05-21 |
Family
ID=11194958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7310463A Expired FR2177881B1 (fr) | 1972-03-24 | 1973-03-23 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2177881B1 (fr) |
IT (1) | IT950730B (fr) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2502508A1 (fr) * | 1981-03-30 | 1982-10-01 | Geceral Grpt Etu Ceramiques Al | Structure de filtration, procede de realisation de telles structures et dispositif d'ultrafiltration en comportant |
EP0040282B1 (fr) * | 1980-05-21 | 1984-04-11 | Societe De Fabrication D'elements Catalytiques S.F.E.C. | Procédé de fabrication d'une membrane minérale sèche pour l'ultrafiltration et membrane fabriquée selon un tel procédé |
FR2553758A1 (fr) * | 1983-10-25 | 1985-04-26 | Ceraver | Materiau poreux et filtre tubulaire comprenant ce materiau |
FR2565349A1 (fr) * | 1984-06-01 | 1985-12-06 | Norton Co | Procede et appareil pour la mise en contact de reactifs dans des reactions chimiques et biologiques |
WO1988005330A1 (fr) * | 1987-01-13 | 1988-07-28 | The British Hydromechanics Research Association | Membrane composite |
WO1990009231A1 (fr) * | 1989-02-07 | 1990-08-23 | Alcan International Limited | Membranes |
US5342431A (en) * | 1989-10-23 | 1994-08-30 | Wisconsin Alumni Research Foundation | Metal oxide membranes for gas separation |
US5439624A (en) * | 1994-02-14 | 1995-08-08 | Wisconsin Alumni Research Foundation | Method for forming porous ceramic materials |
US5487774A (en) * | 1993-11-08 | 1996-01-30 | Wisconsin Alumni Research Foundation | Gas phase fractionation method using porous ceramic membrane |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444222A (en) * | 1943-08-18 | 1948-06-29 | Invex Inc | Oxygen enrichment system for gas engines |
GB832317A (en) * | 1957-04-05 | 1960-04-06 | Degussa | Process for the production of fine-pore metal filters, membranes and diaphragms |
FR1561067A (fr) * | 1965-06-22 | 1969-03-28 | ||
US3513109A (en) * | 1967-04-19 | 1970-05-19 | Du Pont | Process for applying catalytic coatings |
-
1972
- 1972-03-24 IT IT22344/72A patent/IT950730B/it active
-
1973
- 1973-03-23 FR FR7310463A patent/FR2177881B1/fr not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2444222A (en) * | 1943-08-18 | 1948-06-29 | Invex Inc | Oxygen enrichment system for gas engines |
GB832317A (en) * | 1957-04-05 | 1960-04-06 | Degussa | Process for the production of fine-pore metal filters, membranes and diaphragms |
FR1561067A (fr) * | 1965-06-22 | 1969-03-28 | ||
US3513109A (en) * | 1967-04-19 | 1970-05-19 | Du Pont | Process for applying catalytic coatings |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040282B1 (fr) * | 1980-05-21 | 1984-04-11 | Societe De Fabrication D'elements Catalytiques S.F.E.C. | Procédé de fabrication d'une membrane minérale sèche pour l'ultrafiltration et membrane fabriquée selon un tel procédé |
FR2502508A1 (fr) * | 1981-03-30 | 1982-10-01 | Geceral Grpt Etu Ceramiques Al | Structure de filtration, procede de realisation de telles structures et dispositif d'ultrafiltration en comportant |
FR2553758A1 (fr) * | 1983-10-25 | 1985-04-26 | Ceraver | Materiau poreux et filtre tubulaire comprenant ce materiau |
WO1985001937A1 (fr) * | 1983-10-25 | 1985-05-09 | Ceraver | Materiau poreux et filtre tubulaire constitue en ce materiau |
EP0143325A1 (fr) * | 1983-10-25 | 1985-06-05 | CERAVER Société anonyme dite: | Matériau poreux et filtre tubulaire constitué en ce matériau |
US4603109A (en) * | 1984-06-01 | 1986-07-29 | Norton Company | Method and apparatus for contacting reactants in chemical and biological reactions |
FR2565349A1 (fr) * | 1984-06-01 | 1985-12-06 | Norton Co | Procede et appareil pour la mise en contact de reactifs dans des reactions chimiques et biologiques |
WO1988005330A1 (fr) * | 1987-01-13 | 1988-07-28 | The British Hydromechanics Research Association | Membrane composite |
WO1990009231A1 (fr) * | 1989-02-07 | 1990-08-23 | Alcan International Limited | Membranes |
US5342431A (en) * | 1989-10-23 | 1994-08-30 | Wisconsin Alumni Research Foundation | Metal oxide membranes for gas separation |
US5487774A (en) * | 1993-11-08 | 1996-01-30 | Wisconsin Alumni Research Foundation | Gas phase fractionation method using porous ceramic membrane |
US5439624A (en) * | 1994-02-14 | 1995-08-08 | Wisconsin Alumni Research Foundation | Method for forming porous ceramic materials |
US5610109A (en) * | 1994-02-14 | 1997-03-11 | Wisconsin Alumni Research Foundation | Porous ceramic material |
US5639412A (en) * | 1994-02-14 | 1997-06-17 | Wisconsin Alumni Research Foundation | Substituted silica sol |
US5712037A (en) * | 1994-02-14 | 1998-01-27 | Wisconsin Alumni Research Foundation | Substituted silica gel |
Also Published As
Publication number | Publication date |
---|---|
FR2177881B1 (fr) | 1976-05-21 |
IT950730B (it) | 1973-06-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |