DE19910881C2 - Verfahren zur Herstellung eines agglomeratarmen Eisenoxid-, vorzugsweise Fe¶2¶O¶3¶-Pulvers, mit einer Teilchengröße im Nanometerbereich - Google Patents
Verfahren zur Herstellung eines agglomeratarmen Eisenoxid-, vorzugsweise Fe¶2¶O¶3¶-Pulvers, mit einer Teilchengröße im NanometerbereichInfo
- Publication number
- DE19910881C2 DE19910881C2 DE1999110881 DE19910881A DE19910881C2 DE 19910881 C2 DE19910881 C2 DE 19910881C2 DE 1999110881 DE1999110881 DE 1999110881 DE 19910881 A DE19910881 A DE 19910881A DE 19910881 C2 DE19910881 C2 DE 19910881C2
- Authority
- DE
- Germany
- Prior art keywords
- iron
- short
- spray drying
- powder
- reaction
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 26
- 239000002245 particle Substances 0.000 title claims description 20
- 239000000843 powder Substances 0.000 title claims description 18
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title description 13
- 239000000725 suspension Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 8
- 238000001694 spray drying Methods 0.000 claims description 8
- 235000014413 iron hydroxide Nutrition 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000009690 centrifugal atomisation Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 235000013980 iron oxide Nutrition 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
- 239000001034 iron oxide pigment Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002086 nanomaterial Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001493 electron microscopy Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 159000000014 iron salts Chemical class 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 229940087654 iron carbonyl Drugs 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- 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
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- 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
- C01P2006/12—Surface area
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Description
Die beigefügten Zeichnungen stellen dar:
Claims (7)
eine Suspension eines ausgefällten Eisenhydroxides mit einem Gehalt von weni ger als 1,5 Mol Eisen pro Liter
bei einem anfänglichen Tropfendurchmesser zwischen 20 µm und 50 µm der Sprühtrocknung unterworfen wird und
die Kurzzeitreaktion bei der Kalzinierung des sprühgetrockneten Produkts mit ei nem solchen Energieeintrag erfolgt, daß die Reaktion in Bezug auf das einzelne Teilchen aus der Sprühtrockung weniger als 2 s dauert.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19964168A DE19964168B4 (de) | 1999-03-11 | 1999-03-11 | Verfahren zur Herstellung von Ferrit-Pulver mit einer Teilchengröße im Nanometerbereich, danach hergestellte Pulver und deren Verwendung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19964168A DE19964168B4 (de) | 1999-03-11 | 1999-03-11 | Verfahren zur Herstellung von Ferrit-Pulver mit einer Teilchengröße im Nanometerbereich, danach hergestellte Pulver und deren Verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19910881A1 DE19910881A1 (de) | 2000-09-21 |
DE19910881C2 true DE19910881C2 (de) | 2003-01-30 |
Family
ID=7935244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999110881 Expired - Fee Related DE19910881C2 (de) | 1999-03-11 | 1999-03-11 | Verfahren zur Herstellung eines agglomeratarmen Eisenoxid-, vorzugsweise Fe¶2¶O¶3¶-Pulvers, mit einer Teilchengröße im Nanometerbereich |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19910881C2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10205332B4 (de) * | 2002-02-06 | 2004-02-12 | Berlin Heart Ag | Verfahren zur Herstellung von magnetischen Nanoteilchen |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2415874C3 (de) * | 1973-04-02 | 1981-09-24 | Manox Chemie Anstalt, Schaan | Anwendung der Zerstäubungstrocnung durch oxidierende Gase auf wasserige Trüben von Mangan- und Eisenoxisen |
DE3842015A1 (de) * | 1988-12-14 | 1990-07-05 | Bayer Ag | Verfahren zur herstellung feinteiliger magnetischer hexaferrite durch spruehtrocknen von bariumsalzen mit eisenoxiden sowie die verwendung so erhaltener hexaferrite |
EP0704501A1 (de) * | 1994-09-30 | 1996-04-03 | Bayer Ag | Hochtransparente, rote Eisenoxidpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung |
-
1999
- 1999-03-11 DE DE1999110881 patent/DE19910881C2/de not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2415874C3 (de) * | 1973-04-02 | 1981-09-24 | Manox Chemie Anstalt, Schaan | Anwendung der Zerstäubungstrocnung durch oxidierende Gase auf wasserige Trüben von Mangan- und Eisenoxisen |
DE3842015A1 (de) * | 1988-12-14 | 1990-07-05 | Bayer Ag | Verfahren zur herstellung feinteiliger magnetischer hexaferrite durch spruehtrocknen von bariumsalzen mit eisenoxiden sowie die verwendung so erhaltener hexaferrite |
EP0704501A1 (de) * | 1994-09-30 | 1996-04-03 | Bayer Ag | Hochtransparente, rote Eisenoxidpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung |
Non-Patent Citations (1)
Title |
---|
Nanostructured Materials, 6 (1995) S.941-944 * |
Also Published As
Publication number | Publication date |
---|---|
DE19910881A1 (de) | 2000-09-21 |
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