CS213669B1 - Method of preparation of the germ for crystallization of the coagulated ferric red - Google Patents
Method of preparation of the germ for crystallization of the coagulated ferric red Download PDFInfo
- Publication number
- CS213669B1 CS213669B1 CS702280A CS702280A CS213669B1 CS 213669 B1 CS213669 B1 CS 213669B1 CS 702280 A CS702280 A CS 702280A CS 702280 A CS702280 A CS 702280A CS 213669 B1 CS213669 B1 CS 213669B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- hours
- heating
- ferrous sulfate
- temperature
- lepidocrokite
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000002425 crystallisation Methods 0.000 title claims description 6
- 230000008025 crystallization Effects 0.000 title claims description 6
- 238000002360 preparation method Methods 0.000 title description 8
- 239000011790 ferrous sulphate Substances 0.000 claims description 19
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 19
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 18
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 14
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052595 hematite Inorganic materials 0.000 claims description 4
- 239000011019 hematite Substances 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 239000001166 ammonium sulphate Substances 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 229910021653 sulphate ion Inorganic materials 0.000 claims 1
- 239000000243 solution Substances 0.000 description 19
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 229910002588 FeOOH Inorganic materials 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 230000018044 dehydration Effects 0.000 description 5
- 238000006297 dehydration reaction Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 229910052598 goethite Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 2
- 210000001161 mammalian embryo Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 239000005569 Iron sulphate Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000011197 physicochemical method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- CBXWGGFGZDVPNV-UHFFFAOYSA-N so4-so4 Chemical compound OS(O)(=O)=O.OS(O)(=O)=O CBXWGGFGZDVPNV-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS702280A CS213669B1 (en) | 1980-10-17 | 1980-10-17 | Method of preparation of the germ for crystallization of the coagulated ferric red |
| BG5353581A BG35228A1 (en) | 1980-10-17 | 1981-09-16 | Method for forming germs in the crystallization of directly precipitated red iron oxide |
| SU817772050A SU1713892A1 (ru) | 1980-10-17 | 1981-09-18 | Способ приготовлени зародыша дл непосредственной кристаллизации красной окиси железа |
| DD23344581A DD206492A3 (de) | 1980-10-17 | 1981-09-21 | Verfahren zur herstellung eines keims zur kristallisation von direkt sedimentierendem roten eisen(iii)-oxid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS702280A CS213669B1 (en) | 1980-10-17 | 1980-10-17 | Method of preparation of the germ for crystallization of the coagulated ferric red |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS213669B1 true CS213669B1 (en) | 1982-04-09 |
Family
ID=5418555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS702280A CS213669B1 (en) | 1980-10-17 | 1980-10-17 | Method of preparation of the germ for crystallization of the coagulated ferric red |
Country Status (4)
| Country | Link |
|---|---|
| BG (1) | BG35228A1 (de) |
| CS (1) | CS213669B1 (de) |
| DD (1) | DD206492A3 (de) |
| SU (1) | SU1713892A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20020567A1 (it) * | 2002-03-18 | 2003-09-18 | Sud Chemie S R L | Processo per la preparazione di ossidi di ferro |
-
1980
- 1980-10-17 CS CS702280A patent/CS213669B1/cs unknown
-
1981
- 1981-09-16 BG BG5353581A patent/BG35228A1/xx unknown
- 1981-09-18 SU SU817772050A patent/SU1713892A1/ru active
- 1981-09-21 DD DD23344581A patent/DD206492A3/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DD206492A3 (de) | 1984-01-25 |
| SU1713892A1 (ru) | 1992-02-23 |
| BG35228A1 (en) | 1984-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pfeifer et al. | A reinvestigation of the preparation of tungsten oxide hydrate WO3, 1/3H2O | |
| ES2366765T3 (es) | Fabricación de pigmentos de dioxido de titanio tratados con óxido mixto coprecipitado. | |
| Yang et al. | Hydrothermal synthesis of TiO2 nanopowders from tetraalkylammonium hydroxide peptized sols | |
| US4737194A (en) | Titanium dioxide pigment coated with cerium cations, selected acid anions, and alumina | |
| GB2108097A (en) | Improved pigments and their preparation | |
| DE1219009B (de) | Verfahren zur Herstellung von gamma-FeOOH | |
| JPH0416409B2 (de) | ||
| US4090888A (en) | Production of black iron oxide pigments | |
| SK285216B6 (sk) | Spôsob prípravy kryštalickej formy N-(4-trifluórmetylfenyl)-5- metyl-izoxazol-4-karboxamidu | |
| CS213669B1 (en) | Method of preparation of the germ for crystallization of the coagulated ferric red | |
| US6090354A (en) | Process for the production of titanium oxide | |
| AU2017284781B2 (en) | Production of nanoparticulate titanium dioxide | |
| CA1153868A (en) | Crystalline sio in2 xx-modification and its preparation | |
| JPS6411572B2 (de) | ||
| SU1458368A1 (ru) | Способ получени зародышей красного железоокисного пигмента | |
| US4221607A (en) | Calcining effect of synthetic iron oxide | |
| AU615030B2 (en) | New oxidation resistant, heat resistant iron oxide black pigments, a process for their preparation and their use | |
| CS213670B1 (en) | Method of preparation of the germ for crystallization of the direct coagulated ferrin red | |
| US4297325A (en) | Method of producing pseudoboehmite from aluminum salt solutions | |
| RU2182886C2 (ru) | Способ разделения титана и железа | |
| SU1511261A1 (ru) | Способ получени желтого пигмента | |
| JPS6335419A (ja) | 水和型球形酸化チタンの製造方法 | |
| RU2207980C1 (ru) | Способ переработки титансодержащего концентрата | |
| JPH05320134A (ja) | β′型銅オキシネートの安定化した水性組成物 | |
| FI57605B (fi) | Foerfarande foer framstaellning av ett hoegklassigt titandioxidpigment med anataskristallstruktur |