SU92951A1 - - Google Patents
Info
- Publication number
- SU92951A1 SU92951A1 SU92951A1 SU 92951 A1 SU92951 A1 SU 92951A1 SU 92951 A1 SU92951 A1 SU 92951A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- decomposition
- melt
- perovskite
- carried out
- titanium dioxide
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 238000011437 continuous method Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical compound [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2559638A (en) | Production of titanium dioxide | |
| AU2001262583B2 (en) | Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags | |
| KR20080081938A (ko) | 티타늄 산화물 입자의 제조 방법 및 그로부터 제조된 입자및 조제물 | |
| US5030439A (en) | Method for producing particulate titanium oxides | |
| CN107935038B (zh) | 塑料色母粒专用钛白粉的制备工艺 | |
| CA1076774A (en) | Process of producing sulfuric acid from waste acid and iron sulfate | |
| SU92951A1 (cs) | ||
| NO164529B (no) | Fremgangsmaate til fremstilling av titandioksyd. | |
| CN112079381A (zh) | 一种生产粉末涂料的专用金红石型钛白粉的方法 | |
| JP2008542186A (ja) | 硫酸ナトリウムを用いてシリカ、亜硫酸ナトリウム及び亜硫酸水素ナトリウムを製造する方法 | |
| FI96840C (fi) | Menetelmä titaanidioksidin valmistamiseksi | |
| EP0475104A1 (de) | Verfahren zur Aufarbeitung von Aufschlussrückständen aus der Titandioxidproduktion | |
| CN111320403B (zh) | 通过钛白废酸制备多形貌α半水石膏的方法及所得石膏 | |
| FI81075C (fi) | Foerfarande foer framstaellning av titandioxidpigment. | |
| JPH01164733A (ja) | 二酸化チタンの製造方法 | |
| RU2740746C1 (ru) | Способ очистки зольного графита (варианты) | |
| JP2747916B2 (ja) | チタン酸カリウム長繊維およびこれを用いるチタニア繊維の製造方法 | |
| KR101571101B1 (ko) | 불화화합물을 이용한 TiO2 제조방법 | |
| US20230132549A1 (en) | Method for integrated processing of titanium-containing raw materials to obtain high added value products based on titanium, iron, calcium and nitrogen | |
| CN1456507A (zh) | 一种生产冰晶石的方法 | |
| US5028401A (en) | Apparatus for obtaining ferric oxide and ammonium salts | |
| TWI492902B (zh) | 製造二氧化鈦的多階段方法 | |
| CN1099727A (zh) | 碱式硫酸铬的制造方法 | |
| RU2022929C1 (ru) | Способ получения диоксида титана | |
| WO1992008816A1 (en) | Titanium dioxide production from upgraded anatase ore concentrates using fluid sulphuric acid sulphation |