EA022615B1 - Обработка шламов гальванических отходов и производство оксидов железа наноразмеров - Google Patents
Обработка шламов гальванических отходов и производство оксидов железа наноразмеров Download PDFInfo
- Publication number
- EA022615B1 EA022615B1 EA201200404A EA201200404A EA022615B1 EA 022615 B1 EA022615 B1 EA 022615B1 EA 201200404 A EA201200404 A EA 201200404A EA 201200404 A EA201200404 A EA 201200404A EA 022615 B1 EA022615 B1 EA 022615B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- iron
- oxalate
- acid
- dihydrate
- solution
- Prior art date
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 22
- 239000002699 waste material Substances 0.000 title claims abstract description 10
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 21
- 235000013980 iron oxide Nutrition 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 title claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000002253 acid Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000005554 pickling Methods 0.000 claims abstract description 37
- 229910052742 iron Inorganic materials 0.000 claims abstract description 26
- 150000007513 acids Chemical class 0.000 claims abstract description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 49
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 42
- NPLZZSLZTJVZSX-UHFFFAOYSA-L iron(2+);oxalate;dihydrate Chemical compound O.O.[Fe+2].[O-]C(=O)C([O-])=O NPLZZSLZTJVZSX-UHFFFAOYSA-L 0.000 claims description 39
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 35
- VEPSWGHMGZQCIN-UHFFFAOYSA-H ferric oxalate Chemical compound [Fe+3].[Fe+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O VEPSWGHMGZQCIN-UHFFFAOYSA-H 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229910052595 hematite Inorganic materials 0.000 claims description 24
- 239000011019 hematite Substances 0.000 claims description 24
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 24
- 239000000843 powder Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 19
- 239000012298 atmosphere Substances 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 14
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 10
- 230000002401 inhibitory effect Effects 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 10
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims description 9
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 9
- 239000012798 spherical particle Substances 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 229960002089 ferrous chloride Drugs 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 9
- 239000006227 byproduct Substances 0.000 abstract description 8
- 239000000049 pigment Substances 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 150000002739 metals Chemical class 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 46
- 239000002244 precipitate Substances 0.000 description 22
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 13
- 230000000996 additive effect Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 11
- OWZIYWAUNZMLRT-UHFFFAOYSA-L iron(2+);oxalate Chemical compound [Fe+2].[O-]C(=O)C([O-])=O OWZIYWAUNZMLRT-UHFFFAOYSA-L 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 9
- 238000009713 electroplating Methods 0.000 description 9
- GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
- 238000005979 thermal decomposition reaction Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 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 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- -1 salt metals Chemical class 0.000 description 6
- 239000013505 freshwater Substances 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 150000001450 anions Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 239000002537 cosmetic Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000001357 Galvanic etching Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000004683 dihydrates Chemical class 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 159000000014 iron salts Chemical class 0.000 description 2
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 235000021110 pickles Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 101150004094 PRO2 gene Proteins 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910017817 a-Ge Inorganic materials 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
-
- 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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
-
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
-
- 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
- C01P2006/10—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
- C01P2006/80—Compositional purity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Compounds Of Iron (AREA)
- Treatment Of Sludge (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL200860A IL200860A (en) | 2009-09-10 | 2009-09-10 | Galvanic wastewater treatment and the production of iron oxide sized nanoparticles |
| PCT/IL2010/000737 WO2011030338A1 (en) | 2009-09-10 | 2010-09-07 | Galvanic waste sludge treatment and manufacturing of nano-sized iron oxides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201200404A1 EA201200404A1 (ru) | 2012-09-28 |
| EA022615B1 true EA022615B1 (ru) | 2016-02-29 |
Family
ID=42335565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201200404A EA022615B1 (ru) | 2009-09-10 | 2010-09-07 | Обработка шламов гальванических отходов и производство оксидов железа наноразмеров |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8603420B2 (enExample) |
| EP (1) | EP2475614B1 (enExample) |
| CN (1) | CN102625777B (enExample) |
| EA (1) | EA022615B1 (enExample) |
| ES (1) | ES2733535T3 (enExample) |
| IL (1) | IL200860A (enExample) |
| IN (1) | IN2012DN02550A (enExample) |
| WO (1) | WO2011030338A1 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3020056A1 (fr) * | 2014-04-17 | 2015-10-23 | Centre Nat Rech Scient | Procede de preparation d'acides mineraux d'origine naturelle et utilisation des acides obtenus en synthese organique |
| EP3134559A4 (en) * | 2014-04-22 | 2018-04-04 | Green Future Ltd. | Method and formulations for removing rust and scale from steel and for regenerating pickling liquor in hot-dip galvanization process |
| RU2622106C1 (ru) * | 2015-12-04 | 2017-06-13 | Акционерное общество "Калужский научно-исследовательский институт телемеханических устройств" | Способ получения дигидрата оксалата железа(+2) из отходов промышленного производства |
| AU2017325040B2 (en) * | 2016-09-12 | 2021-03-11 | Tal Or Ecology Ltd. | Recovery of oxalic acid from industrial ferrous oxalate |
| US12049683B2 (en) | 2018-10-23 | 2024-07-30 | University Of Kansas | Methods for recovering metals from metal-containing materials |
| US11495814B2 (en) * | 2020-06-17 | 2022-11-08 | Saudi Arabian Oil Company | Utilizing black powder for electrolytes for flow batteries |
| KR20240015062A (ko) * | 2021-04-01 | 2024-02-02 | 브이에스피씨 피티와이 엘티디 | 옥살산철(ii)의 생산 |
| US12054805B2 (en) | 2021-04-28 | 2024-08-06 | University Of Kansas | Methods for recovering metals using oxalate compounds |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008602B2 (en) * | 2002-04-19 | 2006-03-07 | Millennium Inorganic Chemicals, Inc. | Beneficiation of titaniferous ore with sulfuric acid |
| US7108903B2 (en) * | 2002-11-14 | 2006-09-19 | Fuji Photo Film Co., Ltd. | Magnetic disc medium |
| US20080159933A1 (en) * | 2006-12-28 | 2008-07-03 | E. I. Dupont De Nemours And Company | Processes for producing titanium dioxide |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1082410A (en) | 1963-12-26 | 1967-09-06 | Mitsubishi Heavy Ind Ltd | An electrolytic descaling method |
| GB1210503A (en) | 1966-11-14 | 1970-10-28 | Brandhurst Company Ltd | Improvements in or relating to the recovery of constituents from nickel alloy scrap |
| SE351444B (enExample) | 1970-11-03 | 1972-11-27 | Nordstjernan Rederi Ab | |
| JPS5261134A (en) * | 1975-11-14 | 1977-05-20 | Otsuka Shigejirou | Method of circulatively using metal pickling solution |
| US4197139A (en) | 1978-08-23 | 1980-04-08 | Hjersted Norman B | Process for the reclamation of acid from spent pickle liquor |
| FI58519C (fi) | 1978-12-07 | 1981-02-10 | Rosenlew Ab Oy W | Foerfarande foer regenerering av betningssyror |
| US4382916A (en) | 1981-10-07 | 1983-05-10 | Voss Steel Corporation | Method of preparing hydrochloric acid and high purity ferrous sulfate hydrate crystals from hydrochloric acid waste pickle liquor |
| AT395312B (de) | 1987-06-16 | 1992-11-25 | Andritz Ag Maschf | Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure |
| US5244551A (en) | 1990-06-28 | 1993-09-14 | Metallgesellschaft Aktiengesellschaft | Process of regenerating waste pickle which contains metal salts and acids |
| ATE214967T1 (de) * | 1995-06-06 | 2002-04-15 | Bp Corp North America Inc | Katalytisches abgasbehandlungssystem zur bekämpfung von fluchtigen chemischen emissionen |
| AT407757B (de) | 1999-03-22 | 2001-06-25 | Andritz Patentverwaltung | Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren |
| US20020005210A1 (en) | 2000-01-05 | 2002-01-17 | Olsen Douglas R. | Regenerating spent pickling liquor |
| FR2882998B1 (fr) * | 2005-03-08 | 2007-06-08 | Solvay | Procede pour l'obtention de cristaux de carbonate de sodium |
| CN1844073A (zh) * | 2006-03-20 | 2006-10-11 | 卢玉柱 | 钢铁工业酸洗废弃盐酸再生利用并回收草酸亚铁的方法 |
| CN1974853A (zh) * | 2006-10-25 | 2007-06-06 | 卢玉柱 | 钢铁工业酸洗废弃盐酸循环利用并回收纳米铁粉及一氧化碳的方法 |
| RU2531827C2 (ru) | 2007-09-20 | 2014-10-27 | Скайоник Корпорейшн | Способ отделения тяжелых металлов от воды в конденсате дымовых газов |
| US20090145856A1 (en) | 2007-12-11 | 2009-06-11 | Raymond Letize A | Acid recycle process with iron removal |
| CN101462942B (zh) * | 2008-12-29 | 2012-04-18 | 刘世琦 | 利用酸洗废液生产高纯电池级草酸亚铁的方法 |
-
2009
- 2009-09-10 IL IL200860A patent/IL200860A/en active IP Right Grant
-
2010
- 2010-09-07 EP EP10815073.1A patent/EP2475614B1/en active Active
- 2010-09-07 CN CN201080050259.7A patent/CN102625777B/zh active Active
- 2010-09-07 US US13/393,643 patent/US8603420B2/en active Active
- 2010-09-07 EA EA201200404A patent/EA022615B1/ru not_active IP Right Cessation
- 2010-09-07 ES ES10815073T patent/ES2733535T3/es active Active
- 2010-09-07 IN IN2550DEN2012 patent/IN2012DN02550A/en unknown
- 2010-09-07 WO PCT/IL2010/000737 patent/WO2011030338A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7008602B2 (en) * | 2002-04-19 | 2006-03-07 | Millennium Inorganic Chemicals, Inc. | Beneficiation of titaniferous ore with sulfuric acid |
| US7108903B2 (en) * | 2002-11-14 | 2006-09-19 | Fuji Photo Film Co., Ltd. | Magnetic disc medium |
| US20080159933A1 (en) * | 2006-12-28 | 2008-07-03 | E. I. Dupont De Nemours And Company | Processes for producing titanium dioxide |
Also Published As
| Publication number | Publication date |
|---|---|
| US8603420B2 (en) | 2013-12-10 |
| EP2475614A4 (en) | 2013-05-15 |
| CN102625777A (zh) | 2012-08-01 |
| WO2011030338A1 (en) | 2011-03-17 |
| IN2012DN02550A (enExample) | 2015-08-28 |
| IL200860A0 (en) | 2010-06-30 |
| ES2733535T3 (es) | 2019-11-29 |
| CN102625777B (zh) | 2015-09-09 |
| US20120156497A1 (en) | 2012-06-21 |
| EP2475614A1 (en) | 2012-07-18 |
| EP2475614B1 (en) | 2019-04-24 |
| EA201200404A1 (ru) | 2012-09-28 |
| IL200860A (en) | 2015-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EA022615B1 (ru) | Обработка шламов гальванических отходов и производство оксидов железа наноразмеров | |
| CN104817116B (zh) | 一种氧化锰矿生产硫酸锰的方法 | |
| WO2013020431A1 (zh) | 一种钛白粉废酸浓缩渣回收利用方法 | |
| US20200231481A1 (en) | Production method of self-fitting nano catalytic wastewater treatment agent | |
| CN104164569A (zh) | 一种钒渣铵盐浸取制备五氧化二钒的方法 | |
| TWI418514B (zh) | 含鈦礦石之選礦 | |
| FR2575149A1 (fr) | Procede pour recuperer des produits de valeur des boues rouges du procede bayer | |
| ZHANG et al. | Recovery of titanium from undissolved residue (tionite) in titanium oxide industry via NaOH hydrothermal conversion and H2SO4 leaching | |
| JP5171631B2 (ja) | チタン鉱石の選鉱 | |
| JP5374040B2 (ja) | 酸性鉄塩溶液からの酸化鉄の沈殿 | |
| JP2009535196A (ja) | チタン鉱の塩素処理からの廃物又はサイクロン固体の処理 | |
| US5814292A (en) | Comprehensive energy producing methods for aqueous phase oxidation | |
| JP4960686B2 (ja) | 砒素含有液の処理方法 | |
| CN109336177A (zh) | 一种用双氧水和氨水清洁生产高纯五氧化二钒的方法 | |
| EP3212577A1 (en) | A method for treating a waste containing sulfuric acid | |
| US20240025758A1 (en) | Method or process for ferrate synthesis | |
| CN115845606A (zh) | 一种废氧化锌脱硫剂的再生方法 | |
| CN103073125A (zh) | 一种酸解红土镍矿废水的利用方法 | |
| CS287081A2 (en) | Method of metals regeneration | |
| RU2746731C1 (ru) | Способ получения биоцида, оксида цинка и кристаллогидратов хлоридов магния и кальция из отходов производств | |
| JPS61171582A (ja) | 石油系燃焼灰の湿式処理方法 | |
| US6001316A (en) | Method for treatment of waste material and recovering MgCl2 | |
| CN101514033A (zh) | 含有硫酸亚铁废酸的环保处理方法 | |
| RU2740015C1 (ru) | Способ очистки отходящих газов от хлора и оксида серы с получением вяжущих | |
| RU2046099C1 (ru) | Способ получения соли кобальта (ii) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KG MD TJ TM |
|
| PC4A | Registration of transfer of a eurasian patent by assignment | ||
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): KZ RU |