[go: up one dir, main page]

Walters et al., 2000 - Google Patents

Electrolytic recovery of Zn from metal finishing rinse waters

Walters et al., 2000

View PDF
Document ID
5041947492918435575
Author
Walters R
Vitagliano M
Publication year
Publication venue
Appl. Electrochem

External Links

Snippet

There has been great concern in recent years regarding the introduction of heavy metals into rivers, streams and public concern appears to be justified, for scientific study has shown that many heavy metals are potentially toxic to various forms of life, including humans El]. As …
Continue reading at p2infohouse.org (PDF) (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4606Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10Electrodes, e.g. composition, counter electrode
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/16Regeneration of process solutions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of work-pieces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/04Oxidation reduction potential [ORP]
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts

Similar Documents

Publication Publication Date Title
CA1195286A (en) Device for waste water treatment
Dutra et al. Copper recovery and cyanide oxidation by electrowinning from a spent copper-cyanide electroplating electrolyte
JPH01159395A (en) Electroplating of metal
Almazán-Ruiz et al. Nickel recovery from an electroplating rinsing effluent using RCE bench scale and RCE pilot plant reactors: the influence of pH control
US20110162976A1 (en) Recovery of nickel from industrial pickling acid solutions
TW575690B (en) Method and apparatus for recovering metal by means of pulsating cathode currents, also in combination with anodic coproduction processes
Yaqub et al. Effect of ultrasound and electrode material on electrochemical treatment of industrial wastewater
US4144149A (en) Method for working up aqueous residues from metallizing baths
CA1065272A (en) Treatment of dilute cyanide solutions
Walters et al. Electrolytic recovery of Zn from metal finishing rinse waters
Keating et al. The recovery of soluble copper from an industrial chemical waste
Easton Electrolytic decomposition of concentrated cyanide plating wastes
EP0771370B1 (en) Process for electrochemically dissolving a metal such as zinc or tin
US7794582B1 (en) Method of recovering metal ions recyclable as soluble anode from waste plating solutions
US5230782A (en) Electrolytic process for reducing the organic content of an aqueous composition and apparatus therefore
Tan et al. Electrochemical destruction of complex cyanide
US4145268A (en) Method of conducting an electrolysis
Townsend et al. Corrosion of stainless steel conductor rolls in a continuous sheet electrogalvanizing line
Boyd et al. Treatment of Plating Wastewater Without Sludge
Barker et al. The Electrolytic Recovery of Nickel from Dilute Solutions
JP3179721B2 (en) Wastewater treatment method and apparatus by discharge electrolysis heating
Roof Electrochemical Reactor and Associated In-Plant Changes at Varland Metal Service, Inc.
DE19820001C2 (en) Process for removing metal layers on metal, glass, ceramics and plastic parts
Metzger et al. Electrolytic metal stripping in solutions containing carboxylic acids
Surfleet The electrochemical treatment of industrial effluents