ES436259A1 - Procedimiento para la produccion continua de oxido de cromo (iii), con bajo contenido en azufre. - Google Patents
Procedimiento para la produccion continua de oxido de cromo (iii), con bajo contenido en azufre.Info
- Publication number
- ES436259A1 ES436259A1 ES436259A ES436259A ES436259A1 ES 436259 A1 ES436259 A1 ES 436259A1 ES 436259 A ES436259 A ES 436259A ES 436259 A ES436259 A ES 436259A ES 436259 A1 ES436259 A1 ES 436259A1
- Authority
- ES
- Spain
- Prior art keywords
- sio
- dwell
- zone
- reaction zone
- temperature
- 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
- 239000000049 pigment Substances 0.000 title abstract 2
- XPEZVLQQDPSGNP-UHFFFAOYSA-N [O-2].S.[Cr+3] Chemical compound [O-2].S.[Cr+3] XPEZVLQQDPSGNP-UHFFFAOYSA-N 0.000 title 1
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 3
- 239000007789 gas Substances 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910003902 SiCl 4 Inorganic materials 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal chromate Chemical class 0.000 abstract 1
- 229910001413 alkali metal ion Inorganic materials 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/34—Compounds of chromium
- C09C1/346—Chromium oxides
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2416203A DE2416203A1 (de) | 1974-04-03 | 1974-04-03 | Verfahren zur herstellung von schwefelarmem chrom(iii)-oxid mit verbesserten pigmenteigenschaften |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES436259A1 true ES436259A1 (es) | 1977-01-01 |
Family
ID=5912047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES436259A Expired ES436259A1 (es) | 1974-04-03 | 1975-04-03 | Procedimiento para la produccion continua de oxido de cromo (iii), con bajo contenido en azufre. |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS50135017A (OSRAM) |
| CA (1) | CA1045757A (OSRAM) |
| DE (1) | DE2416203A1 (OSRAM) |
| ES (1) | ES436259A1 (OSRAM) |
| FR (1) | FR2266660B1 (OSRAM) |
| GB (1) | GB1498300A (OSRAM) |
| NL (1) | NL7503864A (OSRAM) |
| ZA (1) | ZA752082B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9663383B2 (en) | 2010-03-23 | 2017-05-30 | Lanxess Deutschland Gmbh | Process for preparing chromium(III) oxide |
| AR084183A1 (es) | 2010-12-08 | 2013-04-24 | Lanxess Deutschland Gmbh | Procedimiento para la produccion de oxido de cromo (iii) |
| EP2565162A1 (de) | 2011-09-05 | 2013-03-06 | LANXESS Deutschland GmbH | Verfahren zur Herstellung von Chrom(III)-oxid |
-
1974
- 1974-04-03 DE DE2416203A patent/DE2416203A1/de active Pending
-
1975
- 1975-04-01 JP JP50038654A patent/JPS50135017A/ja active Pending
- 1975-04-01 GB GB13188/75A patent/GB1498300A/en not_active Expired
- 1975-04-01 NL NL7503864A patent/NL7503864A/xx not_active Application Discontinuation
- 1975-04-01 CA CA223,493A patent/CA1045757A/en not_active Expired
- 1975-04-02 ZA ZA00752082A patent/ZA752082B/xx unknown
- 1975-04-03 FR FR7510479A patent/FR2266660B1/fr not_active Expired
- 1975-04-03 ES ES436259A patent/ES436259A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2266660A1 (OSRAM) | 1975-10-31 |
| NL7503864A (nl) | 1975-10-07 |
| FR2266660B1 (OSRAM) | 1978-06-30 |
| DE2416203A1 (de) | 1975-10-16 |
| JPS50135017A (OSRAM) | 1975-10-25 |
| ZA752082B (en) | 1976-03-31 |
| CA1045757A (en) | 1979-01-09 |
| GB1498300A (en) | 1978-01-18 |
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