WO2007014987A1 - Electrochemical water-disinfecting method and system - Google Patents
Electrochemical water-disinfecting method and system Download PDFInfo
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- WO2007014987A1 WO2007014987A1 PCT/FR2006/001514 FR2006001514W WO2007014987A1 WO 2007014987 A1 WO2007014987 A1 WO 2007014987A1 FR 2006001514 W FR2006001514 W FR 2006001514W WO 2007014987 A1 WO2007014987 A1 WO 2007014987A1
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- WIPO (PCT)
- Prior art keywords
- electrodes
- water
- housing
- treated
- anode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000004659 sterilization and disinfection Methods 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 239000003643 water by type Substances 0.000 abstract description 2
- 230000000249 desinfective effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000003385 bacteriostatic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003253 viricidal effect Effects 0.000 description 1
Classifications
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- 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—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
- 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
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
- C02F2001/46142—Catalytic coating
-
- 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
- C02F2201/46145—Fluid flow
Definitions
- the invention relates to a method for electrochemical water disinfection combining: a) the direct effect of anode oxidation and cathode reduction actions on dissolved organic matter: virucidal, bactericidal and bacteriostatic effects; b) the indirect effect related to the action of oxidants generated by the electrolysis of water: complementary bactericidal effect and residual bacteriostatic effect.
- At least one cell comprising an anode and a cathode contained in a housing provided with means for feeding and evacuating the water to be treated, which circulates between the electrodes, which advantageously consist of plane plates, parallel to one another, whose opposite catalytic faces have identical surfaces;
- a power supply associated with an electronic regulation module supplying the anode and the cathode by means of connections passing through said housing. Since the spacing of the electrodes is fixed, when the system is put into service, a technician must be present who, by means of external computer equipment, must regulate the current of the regulation module according to the conductivity of the water to be treated. This operation is necessary at each reinstallation of the system in a place where the conductivity of the water to be treated is different.
- EP0322478, EP1038838 and EP1038993 are examples of EP0322478, EP1038838 and EP1038993.
- the invention therefore aims to implement a method and to achieve a system of the kind in question: - can be commissioned by an unqualified person without requiring the use of any external electronic equipment;
- a well-defined minimum reference water flow rate and a well-defined minimum reference intensity for example, 1 Amperes
- the system includes:
- LEDs respectively indicating the minimum water flow rate, the maximum water flow rate, the instant at which the intensity of the electrolytic current has reached its minimum reference value, the instant when the voltage across the electrodes passes over the minimum reference value.
- FIG. 1 shows, in longitudinal section, a disinfection cell according to the invention
- FIG. 2 shows, in longitudinal section, a particular embodiment of the means for moving the movable electrode
- FIG. 3 shows, in internal top view of the housing, the means for detecting the flow rate of the water to be treated.
- the electrochemical water disinfection system shown in the figures essentially comprises: a) at least one cell comprising an anode (1) and a cathode (2) contained in a housing (3) provided with means, in particular nozzles, for feeding ( 3A) and discharge (3B) of the water to be treated circulating between the electrodes (1) and (2); b) a power supply (4) associated with an electronic control module (5), supported by a printed circuit (9), supplying the anode (1) and the cathode (2) by means of connections (1A) and (2A ) passing through said housing (3) via seals, in particular O-rings; c) means for changing the spacing of the electrodes.
- the disinfection process applied to the system in question, consists, when it is put into service on a given site, for a well-defined minimum reference water flow rate and a well-defined minimum reference intensity, to be modified. the spacing of the electrodes, which are initially in minimum spacing position, until the voltage across them passes above a minimum reference value Vm well determined.
- Said method also consists, during the operation of said system, in automatically modifying, by means of the electronic control module (5), the intensity passing through the electrodes (1) and (2) in proportion to the increase in the flow rate of the water to be treated while maintaining the voltage across them above its minimum reference value Vm.
- the water disinfection system essentially comprises means (6) for modifying the spacing of the electrodes.
- Said means may consist of two superimposed elements (6A) and (6B), of frustoconical section, placed between the bottom of the housing (3) and one (1) of the electrodes, one of which (6A) is movement by means of a worm (6C) so as to move said electrode (1) parallel to the other electrode (2) which is fixed to the housing (3).
- the surfaces in contact with the superposed elements (6A) and (6B) may comprise dovetail guide means.
- the electrodes (1) and (2) advantageously consist of flat plates, parallel to one another, whose opposite catalytic faces have identical surfaces.
- the disinfection system also comprises:
- V1 indicating the minimum water flow
- V2 indicating the maximum water flow
- V3 which lights up when the intensity of the electrolytic current has reached its minimum reference value
- V4 which goes out when the voltage across the electrodes goes above the minimum reference value Vm.
- the assembly consisting of the power supply (4) and the electronic control module (5) is protected by a cover (10) supporting the LEDs (V1) to (V4).
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General 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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a method for electrochemically disinfecting waters, which is used in a system substantially consisting of at least one cell comprising an anode (1) and a cathode (2) enclosed in a housing, an electric power supply (4) associated with an electronic control module (5) and means (6) for modifying an interelectrode gap. During the system operation, the inventive method substantially consists in automatically modifying the current strength passing through the electrodes (1, 2) by means of the electronic control module (5) proportionally to the increase of a processable water flow rate always maintaining the voltage on the electrode terminals above a well determined minimum reference value Vm. The means (6) for modifying the interelectrode gap consist of two superimposed elements (6A, 6b) having a truncated cross-section, wherein one of which (6A) is actuated by means of an endless screw (6C) in such a way that the movable electrode (1) is displaced in a direction parallel to the fixed electrode (2).
Description
PROCEDE ET SYSTEME DE DESINFECTION ELECTROCHIMIQUE METHOD AND SYSTEM FOR ELECTROCHEMICAL DISINFECTION
DES EAUXWATERS
DESCRIPTIONDESCRIPTION
DOMAINE DE L'INVENTIONFIELD OF THE INVENTION
L'invention concerne un procédé de désinfection électrochimique des eaux combinant : a) l'effet direct lié aux actions d'oxydation à l'anode et de réduction à la cathode sur les matières organiques dissoutes : effets virucide, bactéricide et bactériostatique ; b) l'effet indirect lié à l'action des oxydants générés par l'électrolyse de l'eau : effet bactéricide complémentaire et effet bactériostatique rémanent.The invention relates to a method for electrochemical water disinfection combining: a) the direct effect of anode oxidation and cathode reduction actions on dissolved organic matter: virucidal, bactericidal and bacteriostatic effects; b) the indirect effect related to the action of oxidants generated by the electrolysis of water: complementary bactericidal effect and residual bacteriostatic effect.
Elle concerne également le système pour la mise en œuvre dudit procédé. ARRIERE PLAN TECHNOLOGIQUEIt also relates to the system for implementing said method. BACKGROUND TECHNOLOGY
Un système du type en question est décrit dans la demande de brevet FR2851560 du même demandeur et est du genre comportant essentiellement :A system of the type in question is described in patent application FR2851560 by the same applicant and is of the type essentially comprising:
- au moins une cellule comprenant une anode et une cathode contenues dans un boîtier pourvu de moyens d'amenée et d'évacuation de l'eau à traiter qui circule entre les électrodes qui sont avantageusement constituées de plaques planes, parallèles entre elles, dont les faces catalytiques en regard possèdent des superficies identiques ;at least one cell comprising an anode and a cathode contained in a housing provided with means for feeding and evacuating the water to be treated, which circulates between the electrodes, which advantageously consist of plane plates, parallel to one another, whose opposite catalytic faces have identical surfaces;
- une alimentation électrique associée à module de régulation électronique alimentant l'anode et la cathode au moyen de connexions traversant ledit boîtier. L'écartement des électrodes étant fixe, il faut, lors de la mise en service du système, l'intervention d'un technicien qui, au moyen d'un matériel informatique externe, doit régler le courant du module de régulation en fonction de la conductibilité de l'eau à traiter. Cette opération s'avère nécessaire à chaque réinstallation du système en un lieu où la conductibilité de l'eau à traiter est différente.a power supply associated with an electronic regulation module supplying the anode and the cathode by means of connections passing through said housing. Since the spacing of the electrodes is fixed, when the system is put into service, a technician must be present who, by means of external computer equipment, must regulate the current of the regulation module according to the conductivity of the water to be treated. This operation is necessary at each reinstallation of the system in a place where the conductivity of the water to be treated is different.
Des moyens pour modifier l'écartement des électrodes sont décrits dans les brevetsMeans for modifying the spacing of the electrodes are described in the patents
EP0322478, EP1038838 et EP1038993.EP0322478, EP1038838 and EP1038993.
Ils mettent généralement en œuvre des solutions techniques qui ont pour conséquence de ne pas maintenir la même surface en regard entre les plaques.They generally implement technical solutions that have the consequence of not maintaining the same surface facing between the plates.
Un système pour modifier l'écartement des électrodes pour un débit donné et une intensité de courant minimale déterminée en fonction de la qualité de l'eau à traiter, est enseignée dans le brevet EP0322478.A system for modifying the electrode gap for a given flow rate and a minimum current intensity determined according to the quality of the water to be treated, is taught in patent EP0322478.
RESUME DE L'INVENTIONSUMMARY OF THE INVENTION
L'invention vise donc à mettre en œuvre un procédé et à réaliser un système du genre en question :
- pouvant être mis en service par une personne non qualifiée sans nécessiter l'utilisation d'un quelconque matériel électronique externe ;The invention therefore aims to implement a method and to achieve a system of the kind in question: - can be commissioned by an unqualified person without requiring the use of any external electronic equipment;
- asservissant, en cours de fonctionnement, l'intensité du courant électrique au débit de l'eau à traiter qui constitue une caractéristique essentielle permettant de maintenir les performances de la désinfection à leur niveau optimal et ce quelque soit le débit de l'eau ;enslaving, during operation, the intensity of the electric current at the flow rate of the water to be treated, which constitutes an essential characteristic making it possible to maintain the performance of the disinfection at their optimum level and whatever the flow of the water;
- mettant en oeuvre une solution technique simple permettant de mettre en mouvement qu'une seule plaque, de maintenir la même surface en regard entre les plaques tout au long de leur écartement, de minimiser les problèmes liés à l'étanchéité, de répondre avantageusement aux exigences de systèmes de désinfection de petite capacité.implementing a simple technical solution making it possible to set a single plate in motion, to keep the same surface facing each other between the plates all along their spacing, to minimize the problems related to sealing, to respond advantageously to requirements of small capacity disinfection systems.
Elle concerne donc à cet effet un procédé qui consiste : a) lors de la mise en service dudit système sur un site donné, pour un débit d'eau de référence minimum bien déterminé et une intensité de référence minimale bien déterminée (par exemple de 1 Ampère), à modifier l'écartement des électrodes jusqu'à ce que la tension aux bornes de celles-ci passe au dessus d'une valeur de référence minimale Vm bien déterminée (par exemple de 10 Volts) ; b) lors du fonctionnement dudit système, à modifier automatiquement, au moyen du module de régulation électronique, l'intensité passant au travers des électrodes proportionnellement à l'accroissement du débit de l'eau à traiter tout en maintenant la tension aux bornes de celles-ci au dessus de sa valeur de référence minimale.It therefore relates for this purpose to a method which consists of: a) during the commissioning of said system on a given site, for a well-defined minimum reference water flow rate and a well-defined minimum reference intensity (for example, 1 Amperes), to change the spacing of the electrodes until the voltage across them goes above a minimum reference value Vm well determined (for example 10 volts); b) during the operation of said system, to automatically modify, by means of the electronic control module, the intensity passing through the electrodes in proportion to the increase in the flow rate of the water to be treated while maintaining the voltage at the terminals of those above its minimum reference value.
Pour se faire, le système comporte :To do this, the system includes:
- un moyen simple, commandé par exemple une vis, permettant de modifier l'écartement des électrodes ;a simple means, controlled for example by a screw, making it possible to modify the spacing of the electrodes;
- des voyants indiquant respectivement le débit d'eau minimum, le débit d'eau maximum, l'instant où l'intensité du courant électrolytique a atteint sa valeur de référence minimale, l'instant où la tension aux bornes des électrodes passe au dessus la valeur de référence minimale.LEDs respectively indicating the minimum water flow rate, the maximum water flow rate, the instant at which the intensity of the electrolytic current has reached its minimum reference value, the instant when the voltage across the electrodes passes over the minimum reference value.
PRESENTATION DES FIGURESPRESENTATION OF FIGURES
Les caractéristiques et les avantages de l'invention vont apparaître plus clairement à la lecture de la description détaillée qui suit d'au moins un mode de réalisation préféré de celle-ci donné à titre d'exemple non limitatif et représenté aux dessins annexés. Sur ces dessins :The features and advantages of the invention will appear more clearly on reading the detailed description which follows of at least one preferred embodiment thereof given by way of non-limiting example and shown in the accompanying drawings. On these drawings:
- la figure 1 représente, en coupe longitudinale, une cellule de désinfection selon l'invention ;
- la figure 2 représente, en coupe longitudinale, une réalisation particulière du moyen permettant de déplacer l'électrode mobile ;- Figure 1 shows, in longitudinal section, a disinfection cell according to the invention; - Figure 2 shows, in longitudinal section, a particular embodiment of the means for moving the movable electrode;
- la figure 3 représente, en vue de dessus intérieure du boîtier, le moyen de détection du débit de l'eau à traiter.- Figure 3 shows, in internal top view of the housing, the means for detecting the flow rate of the water to be treated.
DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION
Le système de désinfection électrochimique des eaux représenté aux figures comporte essentiellement : a) au moins une cellule comprenant une anode (1 ) et une cathode (2) contenues dans un boîtier (3) pourvu de moyens, notamment des buses, d'amenée (3A) et d'évacuation (3B) de l'eau à traiter qui circule entre les électrodes (1 ) et (2) ; b) une alimentation électrique (4) associée à module de régulation électronique (5), supportés par un circuit imprimé (9), alimentant l'anode (1 ) et la cathode (2) au moyen de connexions (1A) et (2A) traversant ledit boîtier (3) par l'intermédiaire de joints d'étanchéité, notamment toriques ; c) un moyen permettant de modifier l'écartement des électrodes.The electrochemical water disinfection system shown in the figures essentially comprises: a) at least one cell comprising an anode (1) and a cathode (2) contained in a housing (3) provided with means, in particular nozzles, for feeding ( 3A) and discharge (3B) of the water to be treated circulating between the electrodes (1) and (2); b) a power supply (4) associated with an electronic control module (5), supported by a printed circuit (9), supplying the anode (1) and the cathode (2) by means of connections (1A) and (2A ) passing through said housing (3) via seals, in particular O-rings; c) means for changing the spacing of the electrodes.
Le procédé de désinfection, appliqué au système en question, consiste, lors de la mise en service de celui-ci sur un site donné, pour un débit d'eau de référence minimum bien déterminé et une intensité de référence minimale bien déterminée, à modifier l'écartement des électrodes, qui sont initialement en position d'écartement minimum, jusqu'à ce que la tension aux bornes de celles-ci passe au dessus d'une valeur de référence minimale Vm bien déterminée.The disinfection process, applied to the system in question, consists, when it is put into service on a given site, for a well-defined minimum reference water flow rate and a well-defined minimum reference intensity, to be modified. the spacing of the electrodes, which are initially in minimum spacing position, until the voltage across them passes above a minimum reference value Vm well determined.
Ledit procédé consiste également, lors du fonctionnement dudit système, à modifier automatiquement, au moyen du module de régulation électronique (5), l'intensité passant au travers des électrodes (1 ) et (2) proportionnellement à l'accroissement du débit de l'eau à traiter tout en maintenant la tension aux bornes de celles-ci au dessus de sa valeur de référence minimale Vm.Said method also consists, during the operation of said system, in automatically modifying, by means of the electronic control module (5), the intensity passing through the electrodes (1) and (2) in proportion to the increase in the flow rate of the water to be treated while maintaining the voltage across them above its minimum reference value Vm.
Cette fonctionnalité permet de limiter la quantité d'oxydant dans l'eau. Pour mettre en œuvre ledit procédé, le système de désinfection de l'eau comporte essentiellement un moyen (6) permettant de modifier l'écartement des électrodes. Ledit moyen peut être constitué de deux éléments superposés (6A) et (6B), de section tronconique, placés entre le fond du boîtier (3) et l'une (1 ) des électrodes, dont l'un (6A) est mis en mouvement au moyen d'une vis sans fin (6C) de manière à déplacer ladite électrode (1 ) parallèlement à l'autre électrode (2) qui est fixée au boîtier (3). Les surfaces en contact des éléments superposés (6A) et (6B) peuvent comporter des moyens de guidage en queue d'aronde.
Les électrodes (1 ) et (2) sont constituées avantageusement de plaques planes, parallèles entre elles, dont les faces catalytiques en regard possèdent des superficies identiques.This feature helps to limit the amount of oxidant in the water. To implement said method, the water disinfection system essentially comprises means (6) for modifying the spacing of the electrodes. Said means may consist of two superimposed elements (6A) and (6B), of frustoconical section, placed between the bottom of the housing (3) and one (1) of the electrodes, one of which (6A) is movement by means of a worm (6C) so as to move said electrode (1) parallel to the other electrode (2) which is fixed to the housing (3). The surfaces in contact with the superposed elements (6A) and (6B) may comprise dovetail guide means. The electrodes (1) and (2) advantageously consist of flat plates, parallel to one another, whose opposite catalytic faces have identical surfaces.
Le système de désinfection comporte également :The disinfection system also comprises:
- des cales (7) empêchant le contact entre les électrodes (1 ) et (2) dans leur position d'écartement minimum ;shims (7) preventing contact between the electrodes (1) and (2) in their minimum spacing position;
- un moyen (8) permettant de détecter le débit d'eau à traiter circulant à l'intérieur du boîtier (3) et transmettant l'information correspondante au module de régulation électronique (5) : ledit moyen pouvant être constitué d'une languette pivotante (8), placée dans un logement (3C) situé sur le trajet de l'eau, dont l'amplitude de sa rotation est proportionnelle au débit de l'eau.means (8) for detecting the flow of water to be treated circulating inside the housing (3) and transmitting the corresponding information to the electronic control module (5): said means being able to consist of a tongue swivel (8), placed in a housing (3C) located in the path of water, the amplitude of its rotation is proportional to the flow of water.
- un voyant (V1 ) indiquant le débit d'eau minimum, un voyant (V2) indiquant le débit d'eau maximum, un voyant (V3) qui s'allume lorsque l'intensité du courant électrolytique a atteint sa valeur de référence minimale et un voyant (V4) qui s'éteint lorsque la tension aux bornes des électrodes passe au dessus la valeur de référence minimale Vm.- a light (V1) indicating the minimum water flow, a light (V2) indicating the maximum water flow, a light (V3) which lights up when the intensity of the electrolytic current has reached its minimum reference value and a light (V4) which goes out when the voltage across the electrodes goes above the minimum reference value Vm.
L'ensemble constitué de l'alimentation électrique (4) et du module de régulation électronique (5) est protégé par un capot (10) supportant les voyants (V1) à (V4).The assembly consisting of the power supply (4) and the electronic control module (5) is protected by a cover (10) supporting the LEDs (V1) to (V4).
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés pour lesquels on pourra prévoir d'autres variantes, en particulier dans :Of course, the invention is not limited to the embodiments described and shown for which other variants may be provided, in particular in:
- les valeurs de débit, de courant et de tension utilisés ;- the flow, current and voltage values used;
- la conception de l'alimentation électrique, du module de régulation électronique, du moyen de déplacement des électrodes.
- The design of the power supply, the electronic control module, the electrode moving means.
Claims
(1) parallèlement à l'autre électrode (2) qui est fixée au boîtier (3).(1) parallel to the other electrode (2) which is fixed to the housing (3).
3- Système, selon la revendication 2, caractérisé en ce que les électrodes (1) et3- System, according to claim 2, characterized in that the electrodes (1) and
(2) sont constituées de plaques planes, parallèles entre elles, dont les faces catalytiques en regard possèdent des superficies identiques.(2) are made up of flat plates, parallel to each other, whose facing catalytic faces have identical surfaces.
4- Système, selon la revendication 2, caractérisé en ce qu'il comporte des cales (7) empêchant le contact entre les électrodes (1 ) et (2) dans leur position d'écartement minimum.
5- Système, selon la revendication 2, caractérisé en ce qu'il comporte un moyen (8) permettant de détecter le débit d'eau à traiter circulant à l'intérieur du boîtier (3).4- System according to claim 2, characterized in that it comprises shims (7) preventing contact between the electrodes (1) and (2) in their minimum spacing position. 5- System according to claim 2, characterized in that it comprises means (8) making it possible to detect the flow of water to be treated circulating inside the housing (3).
6- Système, selon la revendication 5, caractérisé en ce que le moyen permettant de détecter le débit d'eau à traiter circulant à l'intérieur du boîtier (3), est constitué d'une languette pivotante (8), placée dans un logement (3C) situé sur le trajet de l'eau, dont l'amplitude de sa rotation est proportionnelle au débit de l'eau.6- System, according to claim 5, characterized in that the means making it possible to detect the flow of water to be treated circulating inside the housing (3), consists of a pivoting tongue (8), placed in a housing (3C) located on the path of the water, the amplitude of its rotation is proportional to the water flow.
7- Système, selon la revendication 2, caractérisé en ce qu'il comporte un voyant (V1 ) indiquant le débit d'eau minimum, un voyant (V2) indiquant le débit d'eau maximum, un voyant (V3) qui s'allume lorsque l'intensité du courant électrolytique a atteint une valeur de référence minimale bien déterminée et un voyant (V4) qui s'éteint lorsque la tension aux bornes des électrodes passe au dessus d'une valeur de référence minimale Vm bien déterminée.
7- System according to claim 2, characterized in that it comprises a light (V1) indicating the minimum water flow, a light (V2) indicating the maximum water flow, a light (V3) which lights up when the intensity of the electrolytic current has reached a well-determined minimum reference value and an indicator light (V4) which goes out when the voltage across the electrodes goes above a well-determined minimum reference value Vm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0508303A FR2889517B1 (en) | 2005-08-03 | 2005-08-03 | METHOD AND SYSTEM FOR ELECTROCHEMICAL DISINFECTION OF WATER |
| FR0508303 | 2005-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007014987A1 true WO2007014987A1 (en) | 2007-02-08 |
Family
ID=36202521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2006/001514 WO2007014987A1 (en) | 2005-08-03 | 2006-07-18 | Electrochemical water-disinfecting method and system |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2889517B1 (en) |
| WO (1) | WO2007014987A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE738330C (en) * | 1936-05-31 | 1943-08-12 | Katadyn G M B H | Device for the sterilization of water by means of oligodynamically active metals by electrolysis |
| EP0322478A1 (en) * | 1987-12-30 | 1989-07-05 | Kay Wilms | Method and apparatus for the treatment of water by anodic oxidation, especially for the production of sterile drinking water |
| SU1583360A1 (en) * | 1987-08-13 | 1990-08-07 | Институт коллоидной химии и химии воды им.А.В.Думанского | Water chlorination process |
| JPH04166287A (en) * | 1990-10-31 | 1992-06-12 | Japan Steel Works Ltd:The | Electromagnetic water treating device |
| EP1038838A2 (en) * | 1999-03-23 | 2000-09-27 | Tateki Yamaoka | Device for producing ion water and partition wall for device for producing ion water |
| EP1038993A1 (en) * | 1997-12-10 | 2000-09-27 | Shinko Plant Construction Co., Ltd. | Apparatus for producing ozone water and method of producing ozone water by using the same apparatus |
-
2005
- 2005-08-03 FR FR0508303A patent/FR2889517B1/en not_active Expired - Fee Related
-
2006
- 2006-07-18 WO PCT/FR2006/001514 patent/WO2007014987A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE738330C (en) * | 1936-05-31 | 1943-08-12 | Katadyn G M B H | Device for the sterilization of water by means of oligodynamically active metals by electrolysis |
| SU1583360A1 (en) * | 1987-08-13 | 1990-08-07 | Институт коллоидной химии и химии воды им.А.В.Думанского | Water chlorination process |
| EP0322478A1 (en) * | 1987-12-30 | 1989-07-05 | Kay Wilms | Method and apparatus for the treatment of water by anodic oxidation, especially for the production of sterile drinking water |
| JPH04166287A (en) * | 1990-10-31 | 1992-06-12 | Japan Steel Works Ltd:The | Electromagnetic water treating device |
| EP1038993A1 (en) * | 1997-12-10 | 2000-09-27 | Shinko Plant Construction Co., Ltd. | Apparatus for producing ozone water and method of producing ozone water by using the same apparatus |
| EP1038838A2 (en) * | 1999-03-23 | 2000-09-27 | Tateki Yamaoka | Device for producing ion water and partition wall for device for producing ion water |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 016, no. 466 (C - 0989) 28 September 1992 (1992-09-28) * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2889517B1 (en) | 2008-05-09 |
| FR2889517A1 (en) | 2007-02-09 |
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