DE2063191A1 - Verfahren zur Herstellung von Natriumsulfat - Google Patents
Verfahren zur Herstellung von NatriumsulfatInfo
- Publication number
- DE2063191A1 DE2063191A1 DE19702063191 DE2063191A DE2063191A1 DE 2063191 A1 DE2063191 A1 DE 2063191A1 DE 19702063191 DE19702063191 DE 19702063191 DE 2063191 A DE2063191 A DE 2063191A DE 2063191 A1 DE2063191 A1 DE 2063191A1
- Authority
- DE
- Germany
- Prior art keywords
- sodium sulfate
- iron
- sulfate
- reactor
- separated
- 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.)
- Pending
Links
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 title claims description 40
- 229910052938 sodium sulfate Inorganic materials 0.000 title claims description 37
- 235000011152 sodium sulphate Nutrition 0.000 title claims description 37
- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 57
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 9
- 235000014413 iron hydroxide Nutrition 0.000 claims description 9
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 9
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims description 7
- 239000012452 mother liquor Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000006227 byproduct Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 239000011790 ferrous sulphate Substances 0.000 claims 1
- 235000003891 ferrous sulphate Nutrition 0.000 claims 1
- 239000000575 pesticide Substances 0.000 claims 1
- -1 titanium dioxide iron (II) sulfate heptahydrate Chemical compound 0.000 claims 1
- 239000000243 solution Substances 0.000 description 22
- 235000011121 sodium hydroxide Nutrition 0.000 description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229910000358 iron sulfate Inorganic materials 0.000 description 6
- 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 6
- 239000012535 impurity Substances 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- INHCSSUBVCNVSK-UHFFFAOYSA-L lithium sulfate Inorganic materials [Li+].[Li+].[O-]S([O-])(=O)=O INHCSSUBVCNVSK-UHFFFAOYSA-L 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002697 manganese compounds Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RVUXIPACAZKWHU-UHFFFAOYSA-N sulfuric acid;heptahydrate Chemical compound O.O.O.O.O.O.O.OS(O)(=O)=O RVUXIPACAZKWHU-UHFFFAOYSA-N 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2620369 | 1969-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2063191A1 true DE2063191A1 (de) | 1971-07-01 |
Family
ID=11218922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702063191 Pending DE2063191A1 (de) | 1969-12-23 | 1970-12-22 | Verfahren zur Herstellung von Natriumsulfat |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3706531A (enExample) |
| CH (1) | CH533572A (enExample) |
| DE (1) | DE2063191A1 (enExample) |
| FR (1) | FR2074056A5 (enExample) |
| GB (1) | GB1292530A (enExample) |
| NL (1) | NL7018037A (enExample) |
| YU (1) | YU33763B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3987156A (en) * | 1969-11-13 | 1976-10-19 | Agency Of Industrial Science & Technology | Method for manufacture of micaceous α-iron oxide |
| US4173624A (en) * | 1976-03-25 | 1979-11-06 | Bayer Aktiengesellschaft | Recovery of sodium sulphate in production of iron oxide black pigments |
| HU172752B (hu) * | 1976-10-29 | 1978-12-28 | Magyar Aluminium | Sposob selektivnogo izvlechenija natrija iz krasnogo shlama glinozjomnykh fabrik |
| DE2808674A1 (de) * | 1978-03-01 | 1979-09-06 | Bayer Ag | Verfahren zur herstellung von eisenoxidpigmenten und natriumsulfat |
| FR3054542B1 (fr) * | 2016-07-27 | 2018-09-07 | Ocp Sa | Procede de fabrication de sulfate de sodium a partir de phosphogypse |
-
1970
- 1970-11-30 CH CH1767070A patent/CH533572A/fr not_active IP Right Cessation
- 1970-12-07 US US95744A patent/US3706531A/en not_active Expired - Lifetime
- 1970-12-07 GB GB58105/70A patent/GB1292530A/en not_active Expired
- 1970-12-10 NL NL7018037A patent/NL7018037A/xx unknown
- 1970-12-21 YU YU3118/70A patent/YU33763B/xx unknown
- 1970-12-21 FR FR7045948A patent/FR2074056A5/fr not_active Expired
- 1970-12-22 DE DE19702063191 patent/DE2063191A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1292530A (en) | 1972-10-11 |
| NL7018037A (enExample) | 1971-06-25 |
| FR2074056A5 (enExample) | 1971-10-01 |
| CH533572A (it) | 1973-02-15 |
| YU311870A (en) | 1977-10-31 |
| YU33763B (en) | 1978-05-15 |
| US3706531A (en) | 1972-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2157684A1 (de) | Verfahren zum Reinigen von rohen Natriumchlorid-Solen | |
| EP0132820B1 (de) | Verfahren zur Aufarbeitung metallsulfathaltiger Schwefelsäuren | |
| DE2063191A1 (de) | Verfahren zur Herstellung von Natriumsulfat | |
| DE2618122C2 (de) | Verfahren zur Aufarbeitung verdünnter eisen(II)-sulfathaltiger Schwefelsäurelösungen | |
| DE3413317A1 (de) | Verfahren zur herstellung von zeolith a | |
| DE2829382A1 (de) | Verfahren zur herstellung von calciumsulfat | |
| DE2630363A1 (de) | Verfahren zur behandlung waessriger schwefelsaeure | |
| DE2807380A1 (de) | Verfahren zum konzentrieren von waessrigen schwefelsaeureloesungen | |
| DE2757069C3 (de) | Verfahren zur Abtrennung von Gallium aus den bei der Herstellung von Tonerde aus siliziumreichen, aluminiumhaltigen Erzen, insbesondere Nephelinen, bei einer zweistufigen Carbonisierung anfallenden Produkten | |
| DE1467292B2 (enExample) | ||
| EP0320682B2 (de) | Verfahren zur Herstellung von Titandioxid | |
| DE2125874C3 (de) | Verfahren zum Steuern des Gehaltes an Verunreinigungen von Zinksulfatlösungen | |
| DE2625631C3 (de) | Verfahren zur Herstellung von Alkaligoldsulfit | |
| CH640200A5 (en) | Process for producing magnesium oxide from an aqueous magnesium sulphate solution | |
| DE1924069C3 (de) | Verfahren zur kontinuierlichen Herstellung von Magnesiumnatrium- | |
| DE639158C (de) | Verfahren zur Herstellung von Kupfercyanuer | |
| AT143455B (de) | Verfahren zur Reinigung von Siel- und ähnlichen Abwässern. | |
| AT251892B (de) | Hydrometallurgisches Verfahren zur Gewinnung des Kupfer-, Kobalt-, Nickel-, Zink-, Eisen- und/oder Mangangehaltes von Erzen, Steinen, Schlacken und Konzentraten | |
| DE1592148C (de) | Verfahren zur Herstellung von neutra lern kristallisiertem Aluminiumsulfat mit geringem Wassergehalt | |
| DE526628C (de) | Verfahren zur Gewinnung von Zink in Form eines koernigen, im wesentlichen aus Zinkcarbonat bestehenden Niederschlages | |
| DE500518C (de) | Verfahren zur Darstellung von Zitronensaeure oder Weinsaeure | |
| DE2159128A1 (de) | Verfahren zur Gewinnung hochreiner Manganverbindungen | |
| DE442966C (de) | Verfahren zur Herstellung von Natriumcyanid aus Kalkstickstoff | |
| AT299898B (de) | Verfahren zur Herstellung von synthetischem Kryolith | |
| DE2612798A1 (de) | Verfahren zur gewinnung von natriumsulfat bei der herstellung von eisenoxidschwarz-pigmenten |