MD3941F1 - Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor - Google Patents

Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

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Publication number
MD3941F1
MD3941F1 MDA20080256A MD20080256A MD3941F1 MD 3941 F1 MD3941 F1 MD 3941F1 MD A20080256 A MDA20080256 A MD A20080256A MD 20080256 A MD20080256 A MD 20080256A MD 3941 F1 MD3941 F1 MD 3941F1
Authority
MD
Moldova
Prior art keywords
waters
reutilization
purification
galvanic
metals
Prior art date
Application number
MDA20080256A
Other languages
English (en)
Other versions
MD3941C2 (ro
Inventor
Olga Covaliova
Original Assignee
Universitatea De Stat Din Moldova
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 Universitatea De Stat Din Moldova filed Critical Universitatea De Stat Din Moldova
Priority to MDA20080256A priority Critical patent/MD3941C2/ro
Publication of MD3941F1 publication Critical patent/MD3941F1/ro
Publication of MD3941C2 publication Critical patent/MD3941C2/ro

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Abstract

Inventia se refera la procedeele combinate de epurare a apelor uzate, in particular a apelor galvanice uzate. Procedeul, conform inventiei, include tratarea apelor cu solutie de peroxid de hidrogen cu o concentratie de 10…20 mg/L, iradierea cu radiatie ultravioleta cu o intensitate de 15…20 J/cm2·min, alcalinizarea apelor pana la un pH de precipitare a hidroxizilor insolubili ai metalelor grele in camera catodica a electrolizorului la o densitate a curentului de 1…2 A/dm2, concomitent cu acidularea unui electrolit din saruri auxiliare in camera anodica, combinarea electroflotarii cu filtrarea precipitatului, dizolvarea lui in anolit si reutilizarea solutiei obtinute in procesele galvanice.
MDA20080256A 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor MD3941C2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20080256A MD3941C2 (ro) 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20080256A MD3941C2 (ro) 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

Publications (2)

Publication Number Publication Date
MD3941F1 true MD3941F1 (ro) 2009-07-31
MD3941C2 MD3941C2 (ro) 2010-02-28

Family

ID=40941131

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20080256A MD3941C2 (ro) 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

Country Status (1)

Country Link
MD (1) MD3941C2 (ro)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD20130014A2 (ro) * 2013-03-07 2014-09-30 Государственный Университет Молд0 Procedeu de epurare combinată a apelor uzate policomponente
MD4288C1 (ro) * 2013-04-02 2015-01-31 Институт Химии Академии Наук Молдовы Procedeu de purificare a apelor subterane de hidrogen sulfurat, ioni de fier (II) şi mangan (II)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214974A1 (de) * 1992-05-06 1993-11-11 Ultra Systems Gmbh Uv Oxidatio Zerstörung von freien und komplexen Cyaniden, AOX, Mineralöl, Komplexbildnern, CSB, Nitrit, Chromat und Abtrennung von Metallen in Abwässern
US5523001A (en) * 1994-12-30 1996-06-04 At&T Corp. Treatment of electroless plating waste streams
MD2983G2 (ro) * 2003-08-22 2007-12-31 Производственно-Коммерческая Фирма "Mgm" О.О.О. Procedeu de dedurizare a apei fără utilizarea reactivilor şi instalaţie pentru realizarea acestuia
MD3097G2 (ro) * 2005-12-06 2007-02-28 Институт Химии Академии Наук Молдовы Procedeu de purificare a apelor subterane de hidrogen sulfurat şi/sau sulfuri
MD20060007A (ro) * 2005-12-28 2007-06-30 Universitatea De Stat Din Moldova Instalatie pentru separarea prin ultrafiltrare a emulsiei ulei-apa

Also Published As

Publication number Publication date
MD3941C2 (ro) 2010-02-28

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
TK4A Erratum in official gazette in regard to patent for invention

Free format text: RECTIFICATION IN INID 13

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