CA2247135C - Traitement electrochimique d'eau contaminee par des composes azotes - Google Patents

Traitement electrochimique d'eau contaminee par des composes azotes Download PDF

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Publication number
CA2247135C
CA2247135C CA002247135A CA2247135A CA2247135C CA 2247135 C CA2247135 C CA 2247135C CA 002247135 A CA002247135 A CA 002247135A CA 2247135 A CA2247135 A CA 2247135A CA 2247135 C CA2247135 C CA 2247135C
Authority
CA
Canada
Prior art keywords
procedure
voltage
water
cell
electrodes
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 - Fee Related
Application number
CA002247135A
Other languages
English (en)
Other versions
CA2247135A1 (fr
Inventor
Mei Lin
Gene Sidney Shelp
Ward Chesworth
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.)
Enpar Technologies Inc
Original Assignee
Enpar Technologies Inc
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
Priority claimed from GBGB9603741.1A external-priority patent/GB9603741D0/en
Application filed by Enpar Technologies Inc filed Critical Enpar Technologies Inc
Publication of CA2247135A1 publication Critical patent/CA2247135A1/fr
Application granted granted Critical
Publication of CA2247135C publication Critical patent/CA2247135C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • 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
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
    • 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
    • C02F1/46176—Galvanic cells
    • 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
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • 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
    • C02F2101/163—Nitrates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06—Contaminated groundwater or leachate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4611—Fluid flow
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4613—Inversing polarity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
CA002247135A 1996-02-22 1997-02-21 Traitement electrochimique d'eau contaminee par des composes azotes Expired - Fee Related CA2247135C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9603741.1 1996-02-22
GBGB9603741.1A GB9603741D0 (en) 1996-02-22 1996-02-22 Treatment of water by electrolysis
PCT/CA1997/000122 WO1997030941A1 (fr) 1996-02-22 1997-02-21 Traitement electrochimique d'eau contaminee par des composes azotes

Publications (2)

Publication Number Publication Date
CA2247135A1 CA2247135A1 (fr) 1997-08-28
CA2247135C true CA2247135C (fr) 2006-08-08

Family

ID=36791764

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002247135A Expired - Fee Related CA2247135C (fr) 1996-02-22 1997-02-21 Traitement electrochimique d'eau contaminee par des composes azotes

Country Status (1)

Country Link
CA (1) CA2247135C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2595925A2 (fr) * 2010-07-21 2013-05-29 Cambrian Innovation LLC Dénitrification et contrôle du ph à l'aide de systèmes bio-électrochimiques
WO2015084603A1 (fr) * 2013-12-02 2015-06-11 Lean Environment Inc Système de réacteur électrochimique pour le traitement d'eau
EP3284829A1 (fr) * 2009-06-16 2018-02-21 Cambrian Innovation, Inc. Systèmes et dispositifs pour le traitement et la surveillance de l'eau, des eaux usées et d'autres matières biodégradables
US10099950B2 (en) 2010-07-21 2018-10-16 Cambrian Innovation Llc Bio-electrochemical system for treating wastewater

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012054629A2 (fr) 2010-10-19 2012-04-26 Cambrian Innovation Systèmes bio-électrochimiques
US9085474B2 (en) 2012-12-28 2015-07-21 Lean Environment Inc. Modular system for storm water and/or waste water treatment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3284829A1 (fr) * 2009-06-16 2018-02-21 Cambrian Innovation, Inc. Systèmes et dispositifs pour le traitement et la surveillance de l'eau, des eaux usées et d'autres matières biodégradables
EP2595925A2 (fr) * 2010-07-21 2013-05-29 Cambrian Innovation LLC Dénitrification et contrôle du ph à l'aide de systèmes bio-électrochimiques
EP2595925A4 (fr) * 2010-07-21 2014-08-27 Cambrian Innovation Llc Dénitrification et contrôle du ph à l'aide de systèmes bio-électrochimiques
US10099950B2 (en) 2010-07-21 2018-10-16 Cambrian Innovation Llc Bio-electrochemical system for treating wastewater
WO2015084603A1 (fr) * 2013-12-02 2015-06-11 Lean Environment Inc Système de réacteur électrochimique pour le traitement d'eau
US10071921B2 (en) 2013-12-02 2018-09-11 Lean Environment Inc. Electrochemical reactor system for treatment of water

Also Published As

Publication number Publication date
CA2247135A1 (fr) 1997-08-28

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