DE2647084C2 - Verfahren zur Reinigung einer verdünnten Schwefelsäurelösung - Google Patents
Verfahren zur Reinigung einer verdünnten SchwefelsäurelösungInfo
- Publication number
- DE2647084C2 DE2647084C2 DE2647084A DE2647084A DE2647084C2 DE 2647084 C2 DE2647084 C2 DE 2647084C2 DE 2647084 A DE2647084 A DE 2647084A DE 2647084 A DE2647084 A DE 2647084A DE 2647084 C2 DE2647084 C2 DE 2647084C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- sulfate
- sulfuric acid
- iron
- tio
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims description 47
- 238000000034 method Methods 0.000 title claims description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 49
- 229910052742 iron Inorganic materials 0.000 claims description 31
- 239000000725 suspension Substances 0.000 claims description 17
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 15
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 15
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 7
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 6
- 239000002054 inoculum Substances 0.000 claims description 4
- 239000001166 ammonium sulphate Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 17
- 229910010413 TiO 2 Inorganic materials 0.000 description 17
- 239000000203 mixture Substances 0.000 description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 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 8
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 8
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 7
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000029087 digestion Effects 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- VIJYFGMFEVJQHU-UHFFFAOYSA-N aluminum oxosilicon(2+) oxygen(2-) Chemical compound [O-2].[Al+3].[Si+2]=O VIJYFGMFEVJQHU-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000348 titanium sulfate Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ZLXPLDLEBORRPT-UHFFFAOYSA-M [NH4+].[Fe+].[O-]S([O-])(=O)=O Chemical compound [NH4+].[Fe+].[O-]S([O-])(=O)=O ZLXPLDLEBORRPT-UHFFFAOYSA-M 0.000 description 1
- HHUIAYDQMNHELC-UHFFFAOYSA-N [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O HHUIAYDQMNHELC-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- HCTVWSOKIJULET-LQDWTQKMSA-M phenoxymethylpenicillin potassium Chemical compound [K+].N([C@H]1[C@H]2SC([C@@H](N2C1=O)C([O-])=O)(C)C)C(=O)COC1=CC=CC=C1 HCTVWSOKIJULET-LQDWTQKMSA-M 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- KQIRLLVCCSEEOQ-UHFFFAOYSA-N potassium;iron(3+) Chemical compound [K+].[Fe+3] KQIRLLVCCSEEOQ-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000002255 vaccination Methods 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7532026A FR2328658A1 (fr) | 1975-10-20 | 1975-10-20 | Perfectionnements a l'epuration de solutions sulfuriques diluees |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2647084A1 DE2647084A1 (de) | 1977-04-21 |
| DE2647084C2 true DE2647084C2 (de) | 1985-04-11 |
Family
ID=9161393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2647084A Expired DE2647084C2 (de) | 1975-10-20 | 1976-10-19 | Verfahren zur Reinigung einer verdünnten Schwefelsäurelösung |
Country Status (30)
| Country | Link |
|---|---|
| US (1) | US4155984A (en:Method) |
| JP (1) | JPS5250993A (en:Method) |
| AR (1) | AR208631A1 (en:Method) |
| AT (1) | AT355594B (en:Method) |
| BE (1) | BE847415A (en:Method) |
| BG (1) | BG39461A3 (en:Method) |
| BR (1) | BR7606981A (en:Method) |
| CA (1) | CA1096138A (en:Method) |
| CH (1) | CH613913A5 (en:Method) |
| DD (1) | DD127453A5 (en:Method) |
| DE (1) | DE2647084C2 (en:Method) |
| DK (1) | DK470776A (en:Method) |
| EG (1) | EG13008A (en:Method) |
| ES (1) | ES452484A1 (en:Method) |
| FR (1) | FR2328658A1 (en:Method) |
| GB (1) | GB1563604A (en:Method) |
| HU (1) | HU174053B (en:Method) |
| IL (1) | IL50700A (en:Method) |
| IN (1) | IN145507B (en:Method) |
| IT (1) | IT1070943B (en:Method) |
| LU (1) | LU76024A1 (en:Method) |
| MX (1) | MX143150A (en:Method) |
| NL (1) | NL186505C (en:Method) |
| NO (1) | NO150034C (en:Method) |
| NZ (1) | NZ182354A (en:Method) |
| OA (1) | OA05455A (en:Method) |
| RO (1) | RO72145A (en:Method) |
| SE (1) | SE416638B (en:Method) |
| SU (1) | SU786878A3 (en:Method) |
| ZA (1) | ZA766216B (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1086096B (it) * | 1977-09-21 | 1985-05-28 | Montedison Spa | Procedimento per la concentrazione di soluzioni acquose di acido solforico |
| JPS6191610U (en:Method) * | 1984-11-22 | 1986-06-13 | ||
| DE3726047A1 (de) * | 1987-08-06 | 1989-02-16 | Bayer Ag | Verfahren zum abtrennen von metallsulfaten aus schwefelsaeure |
| JP2968877B2 (ja) * | 1991-11-08 | 1999-11-02 | 日鉄鉱業株式会社 | 金属硫酸塩含有の廃硫酸から硫酸を回収する方法 |
| RU2500614C1 (ru) * | 2012-05-10 | 2013-12-10 | Открытое акционерное общество "Казанский завод синтетического каучука" (ОАО "КЗСК") | Способ утилизации отходов серной кислоты |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR870125A (fr) * | 1940-05-04 | 1942-03-03 | Konink Ind Mij Voorheen Noury | Procédé de purification des solutions sulfuriques |
| US2864670A (en) * | 1955-04-11 | 1958-12-16 | Nat Lead Co | Process for recovering acid from waste acid liquors |
| NL258598A (en:Method) * | 1959-12-03 | |||
| US3057685A (en) * | 1960-05-23 | 1962-10-09 | Edna Y Kamlet | Cyclic process for the beneficiation of titania ores and slags |
| US3984312A (en) * | 1973-04-23 | 1976-10-05 | Industrial Resources, Inc. | Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems |
-
1975
- 1975-10-20 FR FR7532026A patent/FR2328658A1/fr active Granted
- 1975-10-20 CH CH1314976A patent/CH613913A5/xx not_active IP Right Cessation
-
1976
- 1976-09-28 IN IN1794/CAL/76A patent/IN145507B/en unknown
- 1976-10-14 DD DD195277A patent/DD127453A5/xx unknown
- 1976-10-14 NL NLAANVRAGE7611385,A patent/NL186505C/xx active Search and Examination
- 1976-10-18 CA CA263,559A patent/CA1096138A/fr not_active Expired
- 1976-10-18 JP JP51124777A patent/JPS5250993A/ja active Granted
- 1976-10-18 IL IL50700A patent/IL50700A/xx unknown
- 1976-10-18 NZ NZ182354A patent/NZ182354A/xx unknown
- 1976-10-18 MX MX166687A patent/MX143150A/es unknown
- 1976-10-18 ES ES452484A patent/ES452484A1/es not_active Expired
- 1976-10-18 OA OA55956A patent/OA05455A/xx unknown
- 1976-10-18 LU LU76024A patent/LU76024A1/xx unknown
- 1976-10-18 EG EG640/76A patent/EG13008A/xx active
- 1976-10-19 BR BR7606981A patent/BR7606981A/pt unknown
- 1976-10-19 NO NO763551A patent/NO150034C/no unknown
- 1976-10-19 ZA ZA766216A patent/ZA766216B/xx unknown
- 1976-10-19 GB GB43331/76A patent/GB1563604A/en not_active Expired
- 1976-10-19 DK DK470776A patent/DK470776A/da unknown
- 1976-10-19 IT IT28459/76A patent/IT1070943B/it active
- 1976-10-19 AR AR265144A patent/AR208631A1/es active
- 1976-10-19 SE SE7611607A patent/SE416638B/xx not_active IP Right Cessation
- 1976-10-19 DE DE2647084A patent/DE2647084C2/de not_active Expired
- 1976-10-19 BE BE171614A patent/BE847415A/xx not_active IP Right Cessation
- 1976-10-19 US US05/733,858 patent/US4155984A/en not_active Expired - Lifetime
- 1976-10-19 AT AT777076A patent/AT355594B/de not_active IP Right Cessation
- 1976-10-20 HU HU76PE1000A patent/HU174053B/hu not_active IP Right Cessation
- 1976-10-20 RO RO7688147A patent/RO72145A/ro unknown
- 1976-10-20 BG BG034486A patent/BG39461A3/xx unknown
- 1976-10-20 SU SU762414008A patent/SU786878A3/ru active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |