ES390901A1 - Procedimiento de fabricacion de sesquioxido de cromo. - Google Patents
Procedimiento de fabricacion de sesquioxido de cromo.Info
- Publication number
- ES390901A1 ES390901A1 ES390901A ES390901A ES390901A1 ES 390901 A1 ES390901 A1 ES 390901A1 ES 390901 A ES390901 A ES 390901A ES 390901 A ES390901 A ES 390901A ES 390901 A1 ES390901 A1 ES 390901A1
- Authority
- ES
- Spain
- Prior art keywords
- reducing
- hexavalent chromium
- sesquioxide
- chromium compound
- compound
- 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
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 title abstract 4
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7016592A FR2104656B1 (enrdf_load_stackoverflow) | 1970-05-06 | 1970-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES390901A1 true ES390901A1 (es) | 1973-07-01 |
Family
ID=9055184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES390901A Expired ES390901A1 (es) | 1970-05-06 | 1971-05-05 | Procedimiento de fabricacion de sesquioxido de cromo. |
Country Status (11)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959182A (en) * | 1969-08-19 | 1976-05-25 | Rohm And Haas Company | Catalyst compositions and process for producing acrylic acid or methacrylic acid utilizing such catalyst |
| JPS5343918B2 (enrdf_load_stackoverflow) * | 1973-02-02 | 1978-11-24 | ||
| US4382104A (en) * | 1979-05-21 | 1983-05-03 | Kennecott Corporation | Method for coating alumina containing refractory fibers with chromium oxide |
| US5380554A (en) * | 1993-07-28 | 1995-01-10 | The United States Of America As Represented By The Secretary Of The Navy | Chromic oxide coatings by thermal decomposition of chromic acid anhydride (CrO3) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2294414A (en) * | 1937-11-09 | 1942-09-01 | Phillips Petroleum Co | Catalyst |
| US2270165A (en) * | 1937-12-29 | 1942-01-13 | Shell Dev | Catalyst |
| FR1084362A (fr) * | 1952-07-16 | 1955-01-19 | Diamond Alkali Co | Procédé de traitement des chromates de métaux alcalins |
-
1970
- 1970-05-06 FR FR7016592A patent/FR2104656B1/fr not_active Expired
-
1971
- 1971-04-29 BE BE766446A patent/BE766446A/xx unknown
- 1971-04-29 CH CH637771A patent/CH531990A/fr not_active IP Right Cessation
- 1971-05-04 US US00140274A patent/US3749595A/en not_active Expired - Lifetime
- 1971-05-05 ES ES390901A patent/ES390901A1/es not_active Expired
- 1971-05-05 DE DE19712122299 patent/DE2122299A1/de active Pending
- 1971-05-05 CA CA112279A patent/CA932124A/en not_active Expired
- 1971-05-05 LU LU63108A patent/LU63108A1/xx unknown
- 1971-05-05 IT IT68483/71A patent/IT939715B/it active
- 1971-05-06 GB GB1357071*[A patent/GB1341607A/en not_active Expired
- 1971-05-06 NL NL7106248A patent/NL7106248A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU63108A1 (enrdf_load_stackoverflow) | 1972-03-03 |
| IT939715B (it) | 1973-02-10 |
| US3749595A (en) | 1973-07-31 |
| CA932124A (en) | 1973-08-21 |
| CH531990A (fr) | 1972-12-31 |
| NL7106248A (enrdf_load_stackoverflow) | 1971-11-09 |
| BE766446A (fr) | 1971-10-29 |
| FR2104656B1 (enrdf_load_stackoverflow) | 1973-11-23 |
| FR2104656A1 (enrdf_load_stackoverflow) | 1972-04-21 |
| DE2122299A1 (de) | 1971-11-25 |
| GB1341607A (en) | 1973-12-25 |
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