MD3482F1 - Procedeu de modificare a carbunelui activ - Google Patents

Procedeu de modificare a carbunelui activ

Info

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
Application number
MDA20070118A
Other languages
English (en)
Other versions
MD3482G2 (ro
Inventor
Tudor Lupascu
Mihail Ciobanu
Original Assignee
Institutul De Chimie Al Academiei De Stiinte A Moldovei
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institutul De Chimie Al Academiei De Stiinte A Moldovei filed Critical Institutul De Chimie Al Academiei De Stiinte A Moldovei
Priority to MDA20070118A priority Critical patent/MD3482G2/ro
Publication of MD3482F1 publication Critical patent/MD3482F1/ro
Publication of MD3482G2 publication Critical patent/MD3482G2/ro

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  • 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.
MDA20070118A 2007-04-25 2007-04-25 Procedeu de modificare a cărbunelui activ MD3482G2 (ro)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

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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