MD4032C2 - Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase - Google Patents

Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase Download PDF

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Publication number
MD4032C2
MD4032C2 MDA20090094A MD20090094A MD4032C2 MD 4032 C2 MD4032 C2 MD 4032C2 MD A20090094 A MDA20090094 A MD A20090094A MD 20090094 A MD20090094 A MD 20090094A MD 4032 C2 MD4032 C2 MD 4032C2
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MD
Moldova
Prior art keywords
platings
regeneration
electrolyte
deposition
iron
Prior art date
Application number
MDA20090094A
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English (en)
Russian (ru)
Other versions
MD4032B1 (ro
Inventor
Ольга КОВАЛЁВА
Original Assignee
Государственный Университет Молд0
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 Государственный Университет Молд0 filed Critical Государственный Университет Молд0
Priority to MDA20090094A priority Critical patent/MD4032C2/ro
Publication of MD4032B1 publication Critical patent/MD4032B1/ro
Publication of MD4032C2 publication Critical patent/MD4032C2/ro

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Electroplating Methods And Accessories (AREA)

Abstract

Invenţia se referă la un procedeu de regenerare a electroliţilor pentru depunerea acoperirilor feroase pe baza sărurilor de Fe(II) şi poate fi aplicată pentru restabilirea pieselor uzate ale maşinilor şi mecanismelor.Esenţa procedeului include reducerea ionilor de Fe(III) până la Fe(II) pe electrozi volumici poroşi penetrabili cu grosimea stratului de 0,5…1,0 cm, cu viteza fluxului de 0,5…0,75 L/m2·s la un regim al curentului periodic pulsativ în două etape cu densitatea curentului catodic Jk1 al primului impulsde 5…10 A/dm2 şi cu timpul de polarizare tk1 de 10…20 s, iar a celui de al doilea impuls Jk2 de25…30 A/dm2 şi timpul de polarizare tk2 de 5…10 s, şi raportul timpului sumar de polarizare a impulsurilor ale ambelor etape la timpul pauzei tp dintre impulsuri de (tk1 + tk2) : tp = 1 : (1…1,5).În calitate de electrozi volumici poroşi penetrabili se utilizează materialele fibrocarbonice.
MDA20090094A 2009-05-22 2009-05-22 Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase MD4032C2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20090094A MD4032C2 (ro) 2009-05-22 2009-05-22 Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20090094A MD4032C2 (ro) 2009-05-22 2009-05-22 Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase

Publications (2)

Publication Number Publication Date
MD4032B1 MD4032B1 (ro) 2010-04-30
MD4032C2 true MD4032C2 (ro) 2010-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20090094A MD4032C2 (ro) 2009-05-22 2009-05-22 Procedeu de regenerare a unui electrolit pentru depunerea acoperirilor feroase

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MD (1) MD4032C2 (ro)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4087C1 (ro) * 2010-02-10 2011-08-31 Государственный Университет Молд0 Procedeu chimico-catalitic de depunere a acoperirilor metalice
MD4159C1 (ro) * 2010-10-25 2012-10-31 Государственный Университет Молд0 Procedeu de regenerare electrochimică a electrolitului de fierare oxidat
MD4229C1 (ro) * 2012-02-16 2013-12-31 Государственный Университет Молд0 Dispozitiv şi procedeu de control analitic al conţinutului ionilor de fier(III) în electrolitul de fierare şi instalaţie de regenerare electrochimică a electrolitului de fierare cu reglare automată

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1158624A1 (ru) * 1978-11-29 1985-05-30 Naumov Yurij "cпocoб peгehepaции жeлeзo-meдho-xлopидhыx tpabильhыx pactbopob"
DE4407448A1 (de) * 1994-03-07 1995-09-14 Mib Metallurg Und Oberflaechen Elektrolyseverfahren zum Regenerieren einer Eisen-III-Chlorid- oder Eisen-III-Sulfatlösung, insbesondere zum Sprühätzen von Stahl
WO2005012597A2 (en) * 2003-07-28 2005-02-10 Phelps Dodge Corporation Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction
MD3057G2 (ro) * 2005-03-15 2007-02-28 Вильгельм КОСОВ Procedeu de purificare electrochimică a fierului sau cuprului
RU2334834C1 (ru) * 2006-12-13 2008-09-27 Государственное образовательное учреждение высшего профессионального образования "Брянская государственная инженерно-технологическая академия" Способ регенерации электролита для анодной подготовки деталей на основе железа к железнению
MD3455G2 (ro) * 2006-01-26 2008-10-31 Институт Прикладной Физики Академии Наук Молдовы Procedeu de depunere a fierului electrolitic pe suprafeţe cilindrice
MD3661C2 (ro) * 2005-06-03 2009-02-28 Институт Прикладной Физики Академии Наук Молдовы Procedeu de obţinere a acoperirilor galvanice de fier
MD3954F1 (ro) * 2008-07-16 2009-08-31 Universitatea De Stat Din Moldova Procedeu de regenerare a electrolitilor uzati de la nichelarea galvanica

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1158624A1 (ru) * 1978-11-29 1985-05-30 Naumov Yurij "cпocoб peгehepaции жeлeзo-meдho-xлopидhыx tpabильhыx pactbopob"
DE4407448A1 (de) * 1994-03-07 1995-09-14 Mib Metallurg Und Oberflaechen Elektrolyseverfahren zum Regenerieren einer Eisen-III-Chlorid- oder Eisen-III-Sulfatlösung, insbesondere zum Sprühätzen von Stahl
WO2005012597A2 (en) * 2003-07-28 2005-02-10 Phelps Dodge Corporation Method and apparatus for electrowinning copper using the ferrous/ferric anode reaction
EA011201B1 (ru) * 2003-07-28 2009-02-27 Фелпс Додж Корпорейшн Способ и устройство для электрохимического извлечения меди с использованием анодной реакции двухвалентного/трехвалентного железа
MD3057G2 (ro) * 2005-03-15 2007-02-28 Вильгельм КОСОВ Procedeu de purificare electrochimică a fierului sau cuprului
MD3661C2 (ro) * 2005-06-03 2009-02-28 Институт Прикладной Физики Академии Наук Молдовы Procedeu de obţinere a acoperirilor galvanice de fier
MD3455G2 (ro) * 2006-01-26 2008-10-31 Институт Прикладной Физики Академии Наук Молдовы Procedeu de depunere a fierului electrolitic pe suprafeţe cilindrice
RU2334834C1 (ru) * 2006-12-13 2008-09-27 Государственное образовательное учреждение высшего профессионального образования "Брянская государственная инженерно-технологическая академия" Способ регенерации электролита для анодной подготовки деталей на основе железа к железнению
MD3954F1 (ro) * 2008-07-16 2009-08-31 Universitatea De Stat Din Moldova Procedeu de regenerare a electrolitilor uzati de la nichelarea galvanica

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Бобанова Ж.И., Андреева Л.Н. Влияние органических и неорганических добавок на окисляемость электролитов железнения. Восстановление деталей машин электрохимическим способом. Кишинев, Штиинца, 1984, с.22-28 *
Мелков М.П. Твердое осталивание автотракторных деталей. Москва, Транспорт, 1971, с. 23 *

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Publication number Publication date
MD4032B1 (ro) 2010-04-30

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