MD3977C2 - Procedeu de obţinere a dioxidului de titan nanodispers - Google Patents
Procedeu de obţinere a dioxidului de titan nanodispers Download PDFInfo
- Publication number
- MD3977C2 MD3977C2 MDA20080278A MD20080278A MD3977C2 MD 3977 C2 MD3977 C2 MD 3977C2 MD A20080278 A MDA20080278 A MD A20080278A MD 20080278 A MD20080278 A MD 20080278A MD 3977 C2 MD3977 C2 MD 3977C2
- Authority
- MD
- Moldova
- Prior art keywords
- titanium dioxide
- nanodispersed
- dioxide obtaining
- current
- obtaining
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 239000004408 titanium dioxide Substances 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 239000000017 hydrogel Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 238000007669 thermal treatment Methods 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Invenţia se referă la un procedeu de obţinere a dioxidului de titan nanodispers, care poate fi aplicat în procesele de epurare fotocatalitică şi denocivizare a apelor naturale şi reziduale în calitate de pigment, precum şi de catalizator în diverse domenii ale industriei.Procedeul se efectuează prin dizolvarea electrochimică a titanului metalic în soluţie alcalină de NaOH şi NaCl în următoarea concentraţie, în g/L:la temperatura de 70…90°C sub acţiunea curentului periodic cu frecvenţa industrială cu impuls invers reglabil, la densitatea curentului anodic de 1,0…3,0 A/cm2 şi raportul la curentul catodic de 1:(0,1…0,5), cu spălarea ulterioară a hidrogelului format şi prelucrarea termică la 400…450°C timp de 1,0…1,5 ore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20080278A MD3977C2 (ro) | 2008-11-11 | 2008-11-11 | Procedeu de obţinere a dioxidului de titan nanodispers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20080278A MD3977C2 (ro) | 2008-11-11 | 2008-11-11 | Procedeu de obţinere a dioxidului de titan nanodispers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD3977B1 MD3977B1 (ro) | 2009-11-30 |
| MD3977C2 true MD3977C2 (ro) | 2010-06-30 |
Family
ID=43568826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20080278A MD3977C2 (ro) | 2008-11-11 | 2008-11-11 | Procedeu de obţinere a dioxidului de titan nanodispers |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD3977C2 (ro) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD227Z (ro) * | 2009-09-04 | 2011-01-31 | Государственный Университет Молд0 | Procedeu de obţinere a dioxidului de titan nanodispers (variante) |
| MD4063C1 (ro) * | 2010-02-18 | 2011-03-31 | Технический университет Молдовы | Procedeu de obţinere a nanotuburilor din dioxid de titan pe suport de titan |
-
2008
- 2008-11-11 MD MDA20080278A patent/MD3977C2/ro not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| MD3977B1 (ro) | 2009-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
| MM4A | Patent for invention definitely lapsed due to non-payment of fees |