MD3941C2 - Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor - Google Patents

Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor Download PDF

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Publication number
MD3941C2
MD3941C2 MDA20080256A MD20080256A MD3941C2 MD 3941 C2 MD3941 C2 MD 3941C2 MD A20080256 A MDA20080256 A MD A20080256A MD 20080256 A MD20080256 A MD 20080256A MD 3941 C2 MD3941 C2 MD 3941C2
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MD
Moldova
Prior art keywords
waters
reutilization
purification
galvanic
metals
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MDA20080256A
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English (en)
Russian (ru)
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MD3941F1 (ro
Inventor
Ольга КОВАЛЁВА
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Государственный Университет Молд0
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Application filed by Государственный Университет Молд0 filed Critical Государственный Университет Молд0
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

Invenţia se referă la procedeele combinate de epurare a apelor uzate, în particular a apelor galvanice uzate.Procedeul, conform invenţiei, include tratarea apelor cu soluţie de peroxid de hidrogen cu o concentraţie de 10…20 mg/L, iradierea cu radiaţie ultravioletă cu o intensitate de 15…20 J/cm2·min, alcalinizarea apelor până la un pH de precipitare a hidroxizilor insolubili ai metalelor grele în camera catodică a electrolizorului la o densitate a curentului de 1…2 A/dm2, concomitent cu acidularea unui electrolit din săruri auxiliare în camera anodică, combinarea electroflotării cu filtrarea precipitatului, dizolvarea lui în anolit şi reutilizarea soluţiei obţinute în procesele galvanice.
MDA20080256A 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor MD3941C2 (ro)

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MDA20080256A MD3941C2 (ro) 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

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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)

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

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MDA20080256A MD3941C2 (ro) 2008-10-06 2008-10-06 Procedeu combinat de epurare a apelor galvanice uzate cu reutilizarea metalelor

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Cited By (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)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5523001A (en) * 1994-12-30 1996-06-04 At&T Corp. Treatment of electroless plating waste streams
US5573676A (en) * 1992-05-06 1996-11-12 Ultra Systems Gmbh Uv-Oxidation Process and a device for the decomposition of free and complex cyanides, AOX, mineral oil, complexing agents, cod, nitrite, chromate, and separation of metals in waste waters
MD3096G2 (ro) * 2005-12-28 2007-02-28 Государственный Университет Молд0 Instalaţie pentru separarea prin ultrafiltrare a emulsiei ulei-apă
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5573676A (en) * 1992-05-06 1996-11-12 Ultra Systems Gmbh Uv-Oxidation Process and a device for the decomposition of free and complex cyanides, AOX, mineral oil, complexing agents, cod, nitrite, chromate, and separation of metals in waste waters
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
MD3096G2 (ro) * 2005-12-28 2007-02-28 Государственный Университет Молд0 Instalaţie pentru separarea prin ultrafiltrare a emulsiei ulei-apă

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Виноградов С.С. Экологически безопасное гальваническое производство. ПИП Глобус, Москва, 1998, стр. 199-200. *
Смирнов Д.Н., Генкин В.Е. Очистка сточных вод в процессах обработки металлов. Металлургия, Москва, 1980, стр. 145-150. *

Cited By (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)

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Publication number Publication date
MD3941F1 (ro) 2009-07-31

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