MD3482F1 - Procedeu de modificare a carbunelui activ - Google Patents
Procedeu de modificare a carbunelui activInfo
- Publication number
- MD3482F1 MD3482F1 MDA20070118A MD20070118A MD3482F1 MD 3482 F1 MD3482 F1 MD 3482F1 MD A20070118 A MDA20070118 A MD A20070118A MD 20070118 A MD20070118 A MD 20070118A MD 3482 F1 MD3482 F1 MD 3482F1
- Authority
- MD
- Moldova
- Prior art keywords
- hours
- room temperature
- demineralized water
- washing
- drying
- Prior art date
Links
Landscapes
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Inventia se refera la un procedeu de modificare acarbunelui activ, care poate fi folosit in calitate de adsorbant selectiv pentru purificarea apei de amoniac si de ioni de amoniu. Procedeul, conforminventiei, include oxidarea carbunelui activ, obtinut din coji de nuca cu peroxid de hidrogen de 30% timp de 72 ore la temperatura camerei, sau acid azotic concentrat timp de 8…10 ore la temperatura de 95…105°C, sau ozon in apa demineralizata timp de 1 ora la temperatura camerei, tratarea cu o solutie de baza alcalina de 1…2% pana la eliminarea completa a acizilor humici, neutralizarea cu acid clorhidric de 0,1 N, spalarea cu apa demineralizata,uscarea la temperatura de 100…105° pana la masa constanta, impregnarea timp de 60…80 ore cu ioni decobalt(II), sau cupru(II), sau nichel(II), sau argint(I) din solutiile nitratilor corespunzatori, luati in cantitate de 350…450 mg/L, urmata de spalarea cu apa demineralizata si uscarea la 100…105°Cpana la masa constanta.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20070118A MD3482G2 (ro) | 2007-04-25 | 2007-04-25 | Procedeu de modificare a cărbunelui activ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MDA20070118A MD3482G2 (ro) | 2007-04-25 | 2007-04-25 | Procedeu de modificare a cărbunelui activ |
Publications (2)
Publication Number | Publication Date |
---|---|
MD3482F1 true MD3482F1 (ro) | 2008-01-31 |
MD3482G2 MD3482G2 (ro) | 2008-08-31 |
Family
ID=39047749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MDA20070118A MD3482G2 (ro) | 2007-04-25 | 2007-04-25 | Procedeu de modificare a cărbunelui activ |
Country Status (1)
Country | Link |
---|---|
MD (1) | MD3482G2 (ro) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2589484C1 (ru) * | 2015-05-26 | 2016-07-10 | Иван Иванович Пилипченко | Способ получения селективного сорбента |
CN110743494A (zh) * | 2019-09-23 | 2020-02-04 | 竹溪县环境监测站 | 一种玉米芯改性活性炭土壤重金属吸附材料及其制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MD4008C1 (ro) * | 2009-07-01 | 2010-09-30 | Институт Химии Академии Наук Молдовы | Procedeu de purificare a apelor reziduale de albastru de metilen |
MD4214C1 (ro) * | 2012-06-18 | 2013-11-30 | Институт Химии Академии Наук Молдовы | Procedeu de modificare a structurii poroase a cărbunelui activ impregnat cu Cu(II) şi utilizarea lui la purificarea apelor subterane de hidrogen sulfurat şi sulfuri |
-
2007
- 2007-04-25 MD MDA20070118A patent/MD3482G2/ro not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2589484C1 (ru) * | 2015-05-26 | 2016-07-10 | Иван Иванович Пилипченко | Способ получения селективного сорбента |
CN110743494A (zh) * | 2019-09-23 | 2020-02-04 | 竹溪县环境监测站 | 一种玉米芯改性活性炭土壤重金属吸附材料及其制备方法 |
CN110743494B (zh) * | 2019-09-23 | 2022-05-27 | 竹溪县环境监测站 | 一种玉米芯改性活性炭土壤重金属吸附材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
MD3482G2 (ro) | 2008-08-31 |
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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 |