ES8501812A1 - Procedimiento y dispositivo para el tratamiento de electrolitos conteniendo nitrato sodico en la nivelacion electroquimica - Google Patents

Procedimiento y dispositivo para el tratamiento de electrolitos conteniendo nitrato sodico en la nivelacion electroquimica

Info

Publication number
ES8501812A1
ES8501812A1 ES528212A ES528212A ES8501812A1 ES 8501812 A1 ES8501812 A1 ES 8501812A1 ES 528212 A ES528212 A ES 528212A ES 528212 A ES528212 A ES 528212A ES 8501812 A1 ES8501812 A1 ES 8501812A1
Authority
ES
Spain
Prior art keywords
electrochemical
treatment
leveling
procedure
electrolyte
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES528212A
Other languages
English (en)
Other versions
ES528212A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi NSU Auto Union AG
Audi AG
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 Audi NSU Auto Union AG, Audi AG filed Critical Audi NSU Auto Union AG
Publication of ES8501812A1 publication Critical patent/ES8501812A1/es
Publication of ES528212A0 publication Critical patent/ES528212A0/es
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
    • B23H3/10—Supply or regeneration of working media
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • C25F7/02—Regeneration of process liquids
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S204/00—Chemistry: electrical and wave energy
    • Y10S204/13—Purification and treatment of electroplating baths and plating wastes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Treatment Of Sludge (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

METODO DE TRATAMIENTO DE ELECTROLITOS QUE CONTIENEN NITRATO SODICO EN LA NIVELACION ELECTROQUIMICA, DE SUPERFICIES DE PIEZAS QUE CONTIENEN HIERRO.CONSISTE EN OXIDAR A NITRATO EL NITRITO QUE SE FORMA DURANTE EL PROCESO DE NIVELADO, MEDIANTE LA ADICION CONTINUA DE UN AGENTE OXIDANTE, TAL COMO OZONO, EN LA CORRIENTE PRINCIPAL O EN UNA SECUNDARIA; DE MODO QUE EL CONTENIDO DE NITRITO EN LOS LODOS DESPRENDIDOS ES INFERIOR A 20 MG/L.TIENE APLICACIONES PARA LA RECTIFICACION ELECTROQUIMICA DE SUPERFICIES DE MARCHA DE CILINDROS DE MAQUINAS MOTRICES DE COMBUSTION.
ES528212A 1983-02-03 1983-12-20 Procedimiento y dispositivo para el tratamiento de electrolitos conteniendo nitrato sodico en la nivelacion electroquimica Granted ES528212A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3303585A DE3303585C1 (de) 1983-02-03 1983-02-03 Verfahren und Vorrichtung zum Behandeln von Natrium-Nitrat haltigen Elektrolyten beim elektrochemischen Abtragen

Publications (2)

Publication Number Publication Date
ES8501812A1 true ES8501812A1 (es) 1984-12-16
ES528212A0 ES528212A0 (es) 1984-12-16

Family

ID=6189903

Family Applications (1)

Application Number Title Priority Date Filing Date
ES528212A Granted ES528212A0 (es) 1983-02-03 1983-12-20 Procedimiento y dispositivo para el tratamiento de electrolitos conteniendo nitrato sodico en la nivelacion electroquimica

Country Status (6)

Country Link
US (1) US4504370A (es)
EP (1) EP0115793B1 (es)
JP (1) JPS59143100A (es)
CA (1) CA1230845A (es)
DE (2) DE3303585C1 (es)
ES (1) ES528212A0 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542820A1 (de) * 1985-12-04 1987-06-11 Aeg Elotherm Gmbh Verfahren zur regeneration und entgiftung von elektrolyten der elektrochemischen metallbearbeitung
DE3806378C1 (en) * 1988-02-29 1989-07-20 Audi Ag, 8070 Ingolstadt, De Process and appliance for treating ozone-containing, turbid liquids
US5128010A (en) * 1990-08-28 1992-07-07 Liangcai Ye Apparatus for electrical machining
BR9204117A (pt) * 1991-02-04 1993-06-08 Eastman Kodak Co Processo para tratar uma solucao aquosa de alimentacao de nitrato de prata que contem nitrito e/ou acido nitrico,para diminuir a concentracao de nitrito
US5320505A (en) * 1993-03-04 1994-06-14 Tecumseh Products Company Electrochemical machining of scroll wraps
US6110351A (en) * 1998-10-15 2000-08-29 University Of Hawaii Method of electrochemical machining (ECM) of particulate metal-matrix composites (MMcs)
GB2352993B (en) * 1999-08-10 2003-12-24 Clive Alan Francis Blade sharpener
WO2001072641A1 (en) * 2000-03-28 2001-10-04 Sck.Cen Method and apparatus for reducing an electrolyte containing nitric acid
DE102019200832A1 (de) 2019-01-24 2020-07-30 MTU Aero Engines AG VERFAHREN ZUM ENTFERNEN VON Cr(VI)-IONEN AUS EINER WÄSSRIGEN ELEKTROLYTLÖSUNG

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU458413A1 (ru) * 1973-04-06 1975-01-30 Предприятие П/Я А-7119 Электролит дл электрохимической обработки металлов
US3994790A (en) * 1974-02-15 1976-11-30 Inoue-Japan Research Inc. Method of treating a waste gas
JPS5112342A (es) * 1974-07-22 1976-01-30 Hitachi Ltd
JPS5116244A (en) * 1974-07-31 1976-02-09 Hitachi Ltd Kinzokuno yokaishorihoho oyobi sonosochi
JPS51136362A (en) * 1975-05-21 1976-11-25 Mitsubishi Electric Corp Method of treating discharge sludge from electrolytic working into non polluting substance
FR2381595A1 (fr) * 1977-02-24 1978-09-22 Centre Techn Ind Mecanique Procede d'usinage electrochimique

Also Published As

Publication number Publication date
CA1230845A (en) 1987-12-29
US4504370A (en) 1985-03-12
ES528212A0 (es) 1984-12-16
JPS6229520B2 (es) 1987-06-26
JPS59143100A (ja) 1984-08-16
EP0115793A1 (de) 1984-08-15
DE3460435D1 (en) 1986-09-18
DE3303585C1 (de) 1984-02-09
EP0115793B1 (de) 1986-08-13

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970519