MD4103B1 - Procedeu de epurare a apelor reziduale de ioni de fluorură - Google Patents
Procedeu de epurare a apelor reziduale de ioni de fluorură Download PDFInfo
- Publication number
- MD4103B1 MD4103B1 MDA20100120A MD20100120A MD4103B1 MD 4103 B1 MD4103 B1 MD 4103B1 MD A20100120 A MDA20100120 A MD A20100120A MD 20100120 A MD20100120 A MD 20100120A MD 4103 B1 MD4103 B1 MD 4103B1
- Authority
- MD
- Moldova
- Prior art keywords
- water treatment
- waste water
- treatment
- fluoride
- waste
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 7
- -1 fluoride ions Chemical class 0.000 title abstract 3
- 238000004065 wastewater treatment Methods 0.000 title abstract 3
- 239000002351 wastewater Substances 0.000 abstract 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000010431 corundum Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000003456 ion exchange resin Substances 0.000 abstract 1
- 229920003303 ion-exchange polymer Polymers 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
Invenţia se referă la procedeele de epurare a apelor reziduale şi de protecţie mediului ambiant, şi anume la un procedeu de epurare a apelor reziduale de ioni de fluorură.Procedeul, conform invenţiei, prevede tratarea apelor reziduale prin coagulare galvanică la acţiunea mecanică abrazivă cu utilizarea unui cuplu galvanic aluminiu/material carbonic cu adaos de corindon în calitate de material abraziv şi separarea ulterioară a sedimentului format, totodată prealabil tratării în apele uzate se introduce suplimentar un eluat, care se formează la regenerarea răşinilor schimbătoare de ioni cu clorură de sodiu, după dedurizarea apei. Eluatul se introduce reieşind din următorul calcul, 2…4 mg-echiv. de cationi de calciu şi magneziu la 1 mg de fluor eliminat, iar procesul de coagulare galvanică se efectuează la un pH de 4,6…5,0 în decurs de 8…10 min.Rezultatul constă în majorarea eficienţei şi a randamentului procesului de eliminare a fluorului din apele reziduale, precum şi în ieftinirea procesului.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20100120A MD4103C1 (ro) | 2010-10-25 | 2010-10-25 | Procedeu de epurare a apelor reziduale de ioni de fluorură |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20100120A MD4103C1 (ro) | 2010-10-25 | 2010-10-25 | Procedeu de epurare a apelor reziduale de ioni de fluorură |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD4103B1 true MD4103B1 (ro) | 2011-03-31 |
| MD4103C1 MD4103C1 (ro) | 2011-10-31 |
Family
ID=45815060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20100120A MD4103C1 (ro) | 2010-10-25 | 2010-10-25 | Procedeu de epurare a apelor reziduale de ioni de fluorură |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD4103C1 (ro) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880134A (zh) * | 2014-03-14 | 2014-06-25 | 河海大学 | 一种新型一体化地下水除氟装置 |
| CN111278578A (zh) * | 2017-11-10 | 2020-06-12 | 日本瑞翁株式会社 | 清洗溶剂组合物的再生方法和再生装置、以及被清洗物的清洗方法和清洗系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2373632A (en) * | 1942-06-24 | 1945-04-10 | Resinous Prod & Chemical Co | Removal of fluorine from water |
| MD1760G2 (ro) * | 1999-04-08 | 2002-03-31 | Государственный Университет Молд0 | Procedeu de epurare a apelor naturale de fluor |
-
2010
- 2010-10-25 MD MDA20100120A patent/MD4103C1/ro not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103880134A (zh) * | 2014-03-14 | 2014-06-25 | 河海大学 | 一种新型一体化地下水除氟装置 |
| CN103880134B (zh) * | 2014-03-14 | 2016-06-15 | 河海大学 | 一种新型一体化地下水除氟装置 |
| CN111278578A (zh) * | 2017-11-10 | 2020-06-12 | 日本瑞翁株式会社 | 清洗溶剂组合物的再生方法和再生装置、以及被清洗物的清洗方法和清洗系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| MD4103C1 (ro) | 2011-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| MM4A | Patent for invention definitely lapsed due to non-payment of fees |