ZA919187B - Process for the production of titanium dioxide from anatase ore using fluid digestion with sulfuric acid under conditions of minimum acid consumption and minimum emission of polluting effluents - Google Patents
Process for the production of titanium dioxide from anatase ore using fluid digestion with sulfuric acid under conditions of minimum acid consumption and minimum emission of polluting effluentsInfo
- Publication number
- ZA919187B ZA919187B ZA919187A ZA919187A ZA919187B ZA 919187 B ZA919187 B ZA 919187B ZA 919187 A ZA919187 A ZA 919187A ZA 919187 A ZA919187 A ZA 919187A ZA 919187 B ZA919187 B ZA 919187B
- Authority
- ZA
- South Africa
- Prior art keywords
- minimum
- production
- under conditions
- titanium dioxide
- sulfuric acid
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
- C01G23/0534—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts in the presence of seeds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9005862A BR9005862A (en) | 1990-11-20 | 1990-11-20 | PROCESS OF PRODUCTION OF TITANIUM DIOXIDE FROM THE ANATASIO ORE, USING FLUID DIGESTATION WITH SULFURIC ACID AND UNDER CONDITION OF MINIMUM ACID CONSUMPTION AND MINIMUM EMISSION OF POLLUTING EFFLUENTS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA919187B true ZA919187B (en) | 1992-11-25 |
Family
ID=4050787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA919187A ZA919187B (en) | 1990-11-20 | 1991-11-20 | Process for the production of titanium dioxide from anatase ore using fluid digestion with sulfuric acid under conditions of minimum acid consumption and minimum emission of polluting effluents |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN1063665A (en) |
| AU (1) | AU8916091A (en) |
| BR (1) | BR9005862A (en) |
| PT (1) | PT99561A (en) |
| WO (1) | WO1992008816A1 (en) |
| ZA (1) | ZA919187B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038188C (en) * | 1994-07-09 | 1998-04-29 | 山东大学 | Preparation method of high-purity micro-fine rutile-type titanium dioxide |
| CN107531507A (en) * | 2015-01-13 | 2018-01-02 | 艾绿卡资源有限公司 | The ore dressing of titanium-containing materials |
| DE102016112682A1 (en) * | 2016-07-11 | 2018-01-11 | Huntsman P&A Germany Gmbh | Process for the preparation of titanium dioxide and the titanium dioxide thus obtained |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218131A (en) * | 1961-01-27 | 1965-11-16 | Independence Foundation | Process for recovery of titania values |
| JPS582163B2 (en) * | 1974-03-11 | 1983-01-14 | 石原産業株式会社 | Anatasekou no Shiyorihouhou |
| US4176159A (en) * | 1976-11-15 | 1979-11-27 | Mendonca Paulo Ayres Falcao De | Process for concentration of titanium containing anatase ore |
| SU971800A1 (en) * | 1981-04-09 | 1982-11-07 | Институт Химии И Технологии Редких Элементов И Минерального Сырья Ордена Ленина Кольского Филиала Им.С.М.Кирова | Method for recovering niobium from sulfuric acid liquors |
| FI91270C (en) * | 1988-08-15 | 1994-06-10 | Kemira Oy | Process for the preparation of titanium dioxide pigment |
| DE3912554C1 (en) * | 1989-04-17 | 1990-07-12 | Bayer Ag, 5090 Leverkusen, De |
-
1990
- 1990-11-20 BR BR9005862A patent/BR9005862A/en not_active Application Discontinuation
-
1991
- 1991-11-19 WO PCT/BR1991/000025 patent/WO1992008816A1/en active Application Filing
- 1991-11-19 AU AU89160/91A patent/AU8916091A/en not_active Abandoned
- 1991-11-20 CN CN91111933A patent/CN1063665A/en active Pending
- 1991-11-20 ZA ZA919187A patent/ZA919187B/en unknown
- 1991-11-20 PT PT99561A patent/PT99561A/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| PT99561A (en) | 1992-10-30 |
| CN1063665A (en) | 1992-08-19 |
| BR9005862A (en) | 1992-06-30 |
| WO1992008816A1 (en) | 1992-05-29 |
| AU8916091A (en) | 1992-06-11 |
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