GB1350953A - Electrochemical treatment of liquids - Google Patents

Electrochemical treatment of liquids

Info

Publication number
GB1350953A
GB1350953A GB1338771*[A GB1350953DA GB1350953A GB 1350953 A GB1350953 A GB 1350953A GB 1350953D A GB1350953D A GB 1350953DA GB 1350953 A GB1350953 A GB 1350953A
Authority
GB
United Kingdom
Prior art keywords
electrolyte
cathode
liquids
colloidal
liquid
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
GB1338771*[A
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
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 Norton Co filed Critical Norton Co
Publication of GB1350953A publication Critical patent/GB1350953A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/22—Electroplating combined with mechanical treatment during the deposition
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
    • C02F1/4678—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction of metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46119—Cleaning the electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46109—Electrodes
    • C02F2001/46123—Movable electrodes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides

Abstract

1350953 Electrolytic production of colloids; purification of liquids NORTON CO 5 May 1971 13387/71 Addition to 1257541 Heading C1C [Also in Division C7] A liquid is electrochemically treated (other than a treatment involving metal deposition on the cathode) whilst subjecting anode or cathode to continuous activation as described in the parent Specification. The process may be used in treatment of industrial effluent, e.g. cyanide-containing waste or sewage; or in the synthesis and dispersion of colloidal, active material in the electrolyte; e.g. a corrodible metallic anode such as Al, Mg, Fe or Cu may be used to form a colloidal hydroxide for use as a medicinal agent. In water purification aluminium electrodes may be used to produce flocculent aluminium hydroxide which coagulates impurities in the water. Compounds such as CaF 2 may be added to the electrolyte, which upon electrolysis form decomposition products which react with organic and inorganic substances in the liquid.
GB1338771*[A 1968-04-03 1971-05-05 Electrochemical treatment of liquids Expired GB1350953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71846868A 1968-04-03 1968-04-03

Publications (1)

Publication Number Publication Date
GB1350953A true GB1350953A (en) 1974-04-24

Family

ID=24886187

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1257541D Expired GB1257541A (en) 1968-04-03 1969-03-20
GB1338771*[A Expired GB1350953A (en) 1968-04-03 1971-05-05 Electrochemical treatment of liquids

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1257541D Expired GB1257541A (en) 1968-04-03 1969-03-20

Country Status (5)

Country Link
CA (1) CA925465A (en)
CH (1) CH524398A (en)
DE (2) DE1917371C3 (en)
FR (1) FR2138202B1 (en)
GB (2) GB1257541A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1046448A (en) * 1973-02-16 1979-01-16 Sung K. Lee Electrochemical contaminant removal from aqueous media
US4405411A (en) * 1982-01-12 1983-09-20 Inoue-Japax Research Incorporated Recess electrodepositing method, electrode assembly and apparatus
GB8320527D0 (en) * 1983-07-29 1983-09-01 Master Hones Ltd Andrew Treating workpiece
GB8617675D0 (en) * 1986-07-19 1986-08-28 Ae Plc Deposition of bearing alloys
DE19500727C1 (en) * 1995-01-12 1996-05-23 Fraunhofer Ges Forschung Electrodeposition appts. for plating rotationally symmetrical component
JP6222145B2 (en) * 2015-03-11 2017-11-01 トヨタ自動車株式会社 Metal film forming apparatus and film forming method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB760016A (en) * 1953-09-11 1956-10-31 Glacier Co Ltd Improvements in or relating to electroplating
FR1301305A (en) * 1960-07-28 1962-08-17 Sifco Metachemical Method and apparatus for electrolytically cleaning and coating
GB996402A (en) * 1960-10-05 1965-06-30 Kanai Masakuni Method for purifying turbid or foul water
GB1025282A (en) * 1962-05-23 1966-04-06 Michael Charles Dart Improvements in or relating to the treatment by electrolytic oxidation of cyanide wastes
FR2030516A5 (en) * 1969-03-31 1970-11-13 Norton Co

Also Published As

Publication number Publication date
DE1917371C3 (en) 1975-11-27
DE1917371A1 (en) 1971-04-22
GB1257541A (en) 1971-12-22
DE1917371B2 (en) 1975-04-17
FR2138202B1 (en) 1974-04-05
CA925465A (en) 1973-05-01
CH524398A (en) 1972-06-30
FR2138202A1 (en) 1973-01-05
DE2122745A1 (en) 1972-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees