DE1792055C3 - Verfahren zur Herstellung von granuliertem Chrom (III)-oxid - Google Patents
Verfahren zur Herstellung von granuliertem Chrom (III)-oxidInfo
- Publication number
- DE1792055C3 DE1792055C3 DE1792055A DE1792055A DE1792055C3 DE 1792055 C3 DE1792055 C3 DE 1792055C3 DE 1792055 A DE1792055 A DE 1792055A DE 1792055 A DE1792055 A DE 1792055A DE 1792055 C3 DE1792055 C3 DE 1792055C3
- Authority
- DE
- Germany
- Prior art keywords
- chromium
- oxide
- iii
- chromic acid
- slurry
- 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 claims description 38
- 238000000034 method Methods 0.000 title claims 7
- 238000004519 manufacturing process Methods 0.000 title claims 5
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 18
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims description 18
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 239000011651 chromium Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims 4
- 238000001694 spray drying Methods 0.000 claims 4
- 239000000126 substance Substances 0.000 claims 4
- 238000010285 flame spraying Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 239000011230 binding agent Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 244000025254 Cannabis sativa Species 0.000 claims 1
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 claims 1
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 claims 1
- -1 ammonium dichromate Chemical class 0.000 claims 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 claims 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims 1
- 150000001845 chromium compounds Chemical class 0.000 claims 1
- DSHWASKZZBZKOE-UHFFFAOYSA-K chromium(3+);hydroxide;sulfate Chemical compound [OH-].[Cr+3].[O-]S([O-])(=O)=O DSHWASKZZBZKOE-UHFFFAOYSA-K 0.000 claims 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims 1
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 claims 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 claims 1
- 239000011696 chromium(III) sulphate Substances 0.000 claims 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims 1
- 238000005469 granulation Methods 0.000 claims 1
- 230000003179 granulation Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910001507 metal halide Inorganic materials 0.000 claims 1
- 230000000704 physical effect Effects 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
- 238000007873 sieving Methods 0.000 claims 1
- 238000005979 thermal decomposition reaction Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 description 3
- 101150034459 Parpbp gene Proteins 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000009690 centrifugal atomisation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Classifications
-
- 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
- C01P2004/50—Agglomerated particles
-
- 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
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- 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
- C01P2006/20—Powder free flowing behaviour
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Glanulating (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB35214/67A GB1243002A (en) | 1967-08-01 | 1967-08-01 | Improvements relating to chromic oxide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1792055A1 DE1792055A1 (de) | 1972-04-06 |
| DE1792055B2 DE1792055B2 (de) | 1973-12-13 |
| DE1792055C3 true DE1792055C3 (de) | 1974-08-01 |
Family
ID=10375166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1792055A Expired DE1792055C3 (de) | 1967-08-01 | 1968-07-17 | Verfahren zur Herstellung von granuliertem Chrom (III)-oxid |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5021997B1 (oth) |
| BE (1) | BE718247A (oth) |
| DE (1) | DE1792055C3 (oth) |
| FR (1) | FR1578289A (oth) |
| GB (1) | GB1243002A (oth) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922071A (zh) | 2010-04-09 | 2015-09-23 | 帕西拉制药有限公司 | 用于配制大直径合成膜囊泡的方法 |
-
1967
- 1967-08-01 GB GB35214/67A patent/GB1243002A/en not_active Expired
-
1968
- 1968-07-17 DE DE1792055A patent/DE1792055C3/de not_active Expired
- 1968-07-18 BE BE718247D patent/BE718247A/xx unknown
- 1968-07-29 FR FR1578289D patent/FR1578289A/fr not_active Expired
- 1968-07-30 JP JP43053447A patent/JPS5021997B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1792055A1 (de) | 1972-04-06 |
| BE718247A (oth) | 1968-12-31 |
| DE1792055B2 (de) | 1973-12-13 |
| GB1243002A (en) | 1971-08-18 |
| FR1578289A (oth) | 1969-08-14 |
| JPS5021997B1 (oth) | 1975-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E771 | Valid patent as to the heymanns-index 1977, willingness to grant licences | ||
| EHJ | Ceased/non-payment of the annual fee |