FR2309274A1 - Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration - Google Patents

Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration

Info

Publication number
FR2309274A1
FR2309274A1 FR7513765A FR7513765A FR2309274A1 FR 2309274 A1 FR2309274 A1 FR 2309274A1 FR 7513765 A FR7513765 A FR 7513765A FR 7513765 A FR7513765 A FR 7513765A FR 2309274 A1 FR2309274 A1 FR 2309274A1
Authority
FR
France
Prior art keywords
exchanger
liq
resin
ion exchange
pref
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.)
Granted
Application number
FR7513765A
Other languages
French (fr)
Other versions
FR2309274B3 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7513765A priority Critical patent/FR2309274A1/en
Publication of FR2309274A1 publication Critical patent/FR2309274A1/en
Application granted granted Critical
Publication of FR2309274B3 publication Critical patent/FR2309274B3/fr
Granted 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
    • C25D21/22—Regeneration of process solutions by ion-exchange

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

Purificn. of polluted liq. such as industrial effluent is by ion exchange treatment. A portable, ion exchange unit contg. a suitable resin is immersed directly in a tank of liq. to be treated, the liq. being pumped continuously in closed circuit from the tank, through the exchanger and back to the tank. When the resin in the exchanger is due for regeneration the exchanger is replaced with another exchanger charged with fresh resin and the first exchanger is taken away to a resin regeneration station, there is no interruption of the purificn. process. Using a constant delivery pump, the rate of flow of liq. through an exchanger is pref. controlled by means of an adjustable delivery by pass line returning liq. directly to the tank, or delivering treated liq. for further use, pref. via a filter. The regeneration station pref. comprises anionic, cationic, and demineralised water baths into which a set of exchangers can be lowered by mobile overhead lifting gear. The resin-loaded exchanger, is also claimed, pref. having a vertical cylindrical case with top connection for the closed circuit line and a liquid outlet at the bottom. Process is used for ion exchange treatment of industrial effluents partic. those from chemical and electrolytic processing plants such as surface treatment plants for metals. Process does not have to be interrupted while exchange resin is regenerated. Cartridge type exchangers are transported in containers for regeneration while stand by exchangers are put into use.
FR7513765A 1975-04-29 1975-04-29 Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration Granted FR2309274A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7513765A FR2309274A1 (en) 1975-04-29 1975-04-29 Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7513765A FR2309274A1 (en) 1975-04-29 1975-04-29 Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration

Publications (2)

Publication Number Publication Date
FR2309274A1 true FR2309274A1 (en) 1976-11-26
FR2309274B3 FR2309274B3 (en) 1978-11-17

Family

ID=9154749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513765A Granted FR2309274A1 (en) 1975-04-29 1975-04-29 Purificn. of industrial effluent by ion exchange treatment - with immersed exchanger which is replaced during regeneration

Country Status (1)

Country Link
FR (1) FR2309274A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157001A2 (en) * 1984-02-03 1985-10-09 Audi Ag Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces
WO1992005871A1 (en) * 1990-10-05 1992-04-16 Schering Aktiengesellschaft Process for ion exchange in aqueous solutions by means of ion exchange resins and installation for implementing the process
RU2609473C2 (en) * 2011-08-12 2017-02-02 Дженерал Электрик Компани Mobile water treatment and resin movement unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0157001A2 (en) * 1984-02-03 1985-10-09 Audi Ag Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces
EP0157001A3 (en) * 1984-02-03 1987-01-07 Audi Ag Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces
WO1992005871A1 (en) * 1990-10-05 1992-04-16 Schering Aktiengesellschaft Process for ion exchange in aqueous solutions by means of ion exchange resins and installation for implementing the process
RU2609473C2 (en) * 2011-08-12 2017-02-02 Дженерал Электрик Компани Mobile water treatment and resin movement unit
US9593029B2 (en) 2011-08-12 2017-03-14 General Electric Company Mobile water treatment and resin transfer hub

Also Published As

Publication number Publication date
FR2309274B3 (en) 1978-11-17

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Legal Events

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