ES2039151A1 - Concentrating sulphuric acid containing effluent solutions produced in manufacturing titanium dioxide based on the sulphate process - Google Patents
Concentrating sulphuric acid containing effluent solutions produced in manufacturing titanium dioxide based on the sulphate processInfo
- Publication number
- ES2039151A1 ES2039151A1 ES919102261A ES9102261A ES2039151A1 ES 2039151 A1 ES2039151 A1 ES 2039151A1 ES 919102261 A ES919102261 A ES 919102261A ES 9102261 A ES9102261 A ES 9102261A ES 2039151 A1 ES2039151 A1 ES 2039151A1
- Authority
- ES
- Spain
- Prior art keywords
- titanium dioxide
- effluent solutions
- sulphuric acid
- acid containing
- containing effluent
- 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.)
- Granted
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 239000004408 titanium dioxide Substances 0.000 title abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 title 1
- 235000011149 sulphuric acid Nutrition 0.000 title 1
- 239000001117 sulphuric acid Substances 0.000 title 1
- 238000000746 purification Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- UVUHDMOXQDUTTH-UHFFFAOYSA-F titanium(4+) octahydroxide Chemical compound [Ti+4].[OH-].[Ti+4].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-] UVUHDMOXQDUTTH-UHFFFAOYSA-F 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
- C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
- C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Catalysts (AREA)
Abstract
METODO DE DEPURACION DE LAS SOLUCIONES EFLUENTES DE LOS PROCESOS DE FABRICACION DE DIOXIDO DE TITANIO. LA PRESENTE INVENCION SE REFIERE A UN METODO PARA DEPURAR SOLUCIONES EFLUENTES DE PROCESOS PRODUCIDAS EN LA FABRICACION DE DIOXIDO DE TITANIO, EN BASE A UN PROCESO DE SULFATO, DE MANERA QUE LAS SOLUCIONES EFLUENTES (11) QUE CONTIENEN ACIDO SULFURICO, PRODUCIDO AL LAVAR HIDROXIDO DE TITANIO, O PARTE DE ELLAS, SE EVAPORAN USANDO UN METODO DE COMPRESION DE VAPOR CON EL FIN DE PRODUCIR UN CONDENSADO PURO (13), O UNA SOLUCION EFLUENTE (14) CONCENTRADA EN CONTENIDO DE ACIDO SULFURICO. LA INVENCION SE REFIERE TAMBIEN A UN METODO PARA FABRICAR DIOXIDO DE TITANIO EN EL QUE SE USA EL METODO DE LA DEPURACION.METHOD OF PURIFICATION OF EFFLUENT SOLUTIONS FROM TITANIUM DIOXIDE MANUFACTURING PROCESSES. THE PRESENT INVENTION REFERS TO A METHOD FOR PURIFYING EFFLUENT SOLUTIONS FROM PROCESSES PRODUCED IN THE MANUFACTURE OF TITANIUM DIOXIDE, BASED ON A SULFATE PROCESS, SO THAT THE EFFLUENT SOLUTIONS (11) CONTAINING SULFURIC ACID, PRODUCED BY WASHING TITANIUM HYDROXIDE TITANIUM, OR PART OF THEM, ARE EVAPORED USING A VAPOR COMPRESSION METHOD IN ORDER TO PRODUCE A PURE CONDENSATE (13), OR A CONCENTRATED EFFLUENT SOLUTION (14) CONTAINING SULFURIC ACID. THE INVENTION ALSO REFERS TO A METHOD FOR MANUFACTURING TITANIUM DIOXIDE IN WHICH THE PURIFICATION METHOD IS USED.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI905221A FI89901C (en) | 1990-10-23 | 1990-10-23 | purification method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2039151A1 true ES2039151A1 (en) | 1993-08-16 |
| ES2039151B1 ES2039151B1 (en) | 1994-03-16 |
Family
ID=8531290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES9102261A Expired - Lifetime ES2039151B1 (en) | 1990-10-23 | 1991-10-14 | DEPURATION METHOD OF EFFLUENT SOLUTIONS FROM TITANIUM DIOXIDE MANUFACTURING PROCESSES. |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE4132843A1 (en) |
| ES (1) | ES2039151B1 (en) |
| FI (1) | FI89901C (en) |
| FR (1) | FR2668141B1 (en) |
| GB (1) | GB2249086B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104692456A (en) * | 2015-01-09 | 2015-06-10 | 上海安赐机械设备有限公司 | Green and environment-friendly sulfuric acid method titanium dioxide production device and process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3513120A1 (en) * | 1985-04-12 | 1986-10-23 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING TITANIUM DIOXIDE |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2352701A1 (en) * | 1973-10-20 | 1975-06-12 | Hoechst Ag | PROCESS FOR CONCENTRATING SALTY, DILUTED SULFUR ACID |
| DE2630196A1 (en) * | 1976-07-05 | 1978-01-19 | Bayer Ag | METHOD FOR PRODUCING SULFURIC ACID FROM WASTE ACID AND IRON SULFATE |
| DE3327769A1 (en) * | 1983-08-02 | 1985-02-14 | Bayer Ag, 5090 Leverkusen | METHOD FOR THE TREATMENT OF THICK ACID |
| DE3912554C1 (en) * | 1989-04-17 | 1990-07-12 | Bayer Ag, 5090 Leverkusen, De |
-
1990
- 1990-10-23 FI FI905221A patent/FI89901C/en not_active IP Right Cessation
-
1991
- 1991-10-02 DE DE4132843A patent/DE4132843A1/en not_active Withdrawn
- 1991-10-02 FR FR9112115A patent/FR2668141B1/en not_active Expired - Fee Related
- 1991-10-14 ES ES9102261A patent/ES2039151B1/en not_active Expired - Lifetime
- 1991-10-22 GB GB9122347A patent/GB2249086B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3513120A1 (en) * | 1985-04-12 | 1986-10-23 | Bayer Ag, 5090 Leverkusen | METHOD FOR PRODUCING TITANIUM DIOXIDE |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2668141B1 (en) | 1994-04-08 |
| FR2668141A1 (en) | 1992-04-24 |
| GB2249086B (en) | 1994-10-12 |
| FI905221L (en) | 1992-04-24 |
| FI905221A0 (en) | 1990-10-23 |
| GB9122347D0 (en) | 1991-12-04 |
| DE4132843A1 (en) | 1992-04-30 |
| FI89901B (en) | 1993-08-31 |
| GB2249086A (en) | 1992-04-29 |
| FI89901C (en) | 1993-12-10 |
| ES2039151B1 (en) | 1994-03-16 |
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