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ES469736A1 - Perfeccionamientos para la descontaminacion de los efluentesacuosos acidos y alcalinos de una instalacion de tratamientogalvanico. - Google Patents

Perfeccionamientos para la descontaminacion de los efluentesacuosos acidos y alcalinos de una instalacion de tratamientogalvanico.

Info

Publication number
ES469736A1
ES469736A1 ES469736A ES469736A ES469736A1 ES 469736 A1 ES469736 A1 ES 469736A1 ES 469736 A ES469736 A ES 469736A ES 469736 A ES469736 A ES 469736A ES 469736 A1 ES469736 A1 ES 469736A1
Authority
ES
Spain
Prior art keywords
solution
aqueous effluents
decontaminating
concentrated solution
alkaline
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
ES469736A
Other languages
English (en)
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.)
Fiat SpA
Original Assignee
Fiat SpA
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 Fiat SpA filed Critical Fiat SpA
Publication of ES469736A1 publication Critical patent/ES469736A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/422—Electrodialysis
    • B01D61/423—Electrodialysis comprising multiple electrodialysis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/58—Multistep processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
ES469736A 1977-05-12 1978-05-11 Perfeccionamientos para la descontaminacion de los efluentesacuosos acidos y alcalinos de una instalacion de tratamientogalvanico. Expired ES469736A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68084/77A IT1082821B (it) 1977-05-12 1977-05-12 Procedimento per il disinquinamento degli effluenti acquosi di un impianto di trattamento galvanico

Publications (1)

Publication Number Publication Date
ES469736A1 true ES469736A1 (es) 1978-12-16

Family

ID=11307716

Family Applications (1)

Application Number Title Priority Date Filing Date
ES469736A Expired ES469736A1 (es) 1977-05-12 1978-05-11 Perfeccionamientos para la descontaminacion de los efluentesacuosos acidos y alcalinos de una instalacion de tratamientogalvanico.

Country Status (5)

Country Link
BE (1) BE866919A (es)
ES (1) ES469736A1 (es)
FR (1) FR2390384A1 (es)
GB (1) GB1563480A (es)
IT (1) IT1082821B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2533233B1 (fr) * 1982-09-17 1986-07-18 Perrier Materiel Procede de recuperation de metaux a partir de solutions diluees de leurs sels et disposif pour sa mise en oeuvre
US4655928A (en) * 1983-10-18 1987-04-07 Gnb Incorporated Membrane processes for metal recovery and pollution control in metal process industries
DE3767359D1 (de) * 1986-05-16 1991-02-21 Electroplating Eng Verfahren und geraet zur wiedergewinnung einer edelmetallverbindung.
GB2385061A (en) * 2002-02-06 2003-08-13 Accentus Plc Process water treatment using electrodialysis

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816587A (en) * 1972-04-17 1974-06-11 Du Pont Selective concentration of gold,silver and copper in aqueous cyanide solutions
DE2537591A1 (de) * 1975-08-23 1977-02-24 Berghof Forschungsinst Verfahren zum regenerieren von verbrauchten chromathaltigen metallbehandlungsbaedern
FR2325736A1 (fr) * 1975-09-23 1977-04-22 Bonnemay Maurice Dispositif d'epuration des effluents contenant du chrome hexavalent

Also Published As

Publication number Publication date
BE866919A (fr) 1978-09-01
GB1563480A (en) 1980-03-26
IT1082821B (it) 1985-05-21
FR2390384A1 (fr) 1978-12-08

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