GB2249785B - Process for removing nitrates from drinkable water by using membrane systems and the like - Google Patents

Process for removing nitrates from drinkable water by using membrane systems and the like

Info

Publication number
GB2249785B
GB2249785B GB9124206A GB9124206A GB2249785B GB 2249785 B GB2249785 B GB 2249785B GB 9124206 A GB9124206 A GB 9124206A GB 9124206 A GB9124206 A GB 9124206A GB 2249785 B GB2249785 B GB 2249785B
Authority
GB
United Kingdom
Prior art keywords
membrane systems
drinkable water
removing nitrates
nitrates
drinkable
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
GB9124206A
Other versions
GB9124206D0 (en
GB2249785A (en
Inventor
Franco Ciallie
Guido Vaccaro
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.)
IONICS ITALBA SpA
Original Assignee
IONICS ITALBA 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 IONICS ITALBA SpA filed Critical IONICS ITALBA SpA
Publication of GB9124206D0 publication Critical patent/GB9124206D0/en
Publication of GB2249785A publication Critical patent/GB2249785A/en
Application granted granted Critical
Publication of GB2249785B publication Critical patent/GB2249785B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • 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
    • B01D61/44—Ion-selective electrodialysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/302—Nitrification and denitrification treatment
    • 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
    • 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
GB9124206A 1990-11-16 1991-11-14 Process for removing nitrates from drinkable water by using membrane systems and the like Expired - Fee Related GB2249785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02207990A IT1245742B (en) 1990-11-16 1990-11-16 PROCEDURE FOR THE REMOVAL OF NITRATES FROM WATERS FOR DRINKING USE BY USING MEMBRANE AND SIMILAR SYSTEMS.

Publications (3)

Publication Number Publication Date
GB9124206D0 GB9124206D0 (en) 1992-01-08
GB2249785A GB2249785A (en) 1992-05-20
GB2249785B true GB2249785B (en) 1994-08-24

Family

ID=11191171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9124206A Expired - Fee Related GB2249785B (en) 1990-11-16 1991-11-14 Process for removing nitrates from drinkable water by using membrane systems and the like

Country Status (5)

Country Link
DE (1) DE4137725A1 (en)
FR (1) FR2669324B1 (en)
GB (1) GB2249785B (en)
IL (1) IL99932A (en)
IT (1) IT1245742B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT102385A (en) * 1999-12-06 2001-06-29 Ibet Inst Biologia Exp E Tecno IONIC EXCHANGE MEMBRANE REACTOR FOR WATER DISNITRIFICATION
US6373010B1 (en) 2000-03-17 2002-04-16 General Electric Company Adjustable energy storage mechanism for a circuit breaker motor operator
KR100687095B1 (en) * 2005-06-14 2007-02-26 한국전력기술 주식회사 Electrodialysis reversal and electrochemical wastewater treatment process of compound containing nitrogen
NL2003812C2 (en) 2009-11-17 2011-05-18 Stichting Wetsus Ct Excellence Sustainable Water Technology Bio-electrochemical device and method for upgrading a fluid.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505651A1 (en) * 1985-02-19 1986-08-21 Metallgesellschaft Ag, 6000 Frankfurt Process for removing nitrate from ground water

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH677325A5 (en) * 1989-04-28 1991-05-15 Asea Brown Boveri

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505651A1 (en) * 1985-02-19 1986-08-21 Metallgesellschaft Ag, 6000 Frankfurt Process for removing nitrate from ground water

Also Published As

Publication number Publication date
GB9124206D0 (en) 1992-01-08
FR2669324B1 (en) 1994-10-28
IL99932A (en) 1995-03-30
IT9022079A0 (en) 1990-11-16
GB2249785A (en) 1992-05-20
FR2669324A1 (en) 1992-05-22
DE4137725A1 (en) 1992-05-21
IT1245742B (en) 1994-10-14
IT9022079A1 (en) 1992-05-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061114