WO2006077016A1 - Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin - Google Patents

Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin Download PDF

Info

Publication number
WO2006077016A1
WO2006077016A1 PCT/EP2006/000060 EP2006000060W WO2006077016A1 WO 2006077016 A1 WO2006077016 A1 WO 2006077016A1 EP 2006000060 W EP2006000060 W EP 2006000060W WO 2006077016 A1 WO2006077016 A1 WO 2006077016A1
Authority
WO
WIPO (PCT)
Prior art keywords
brine solution
solution
concentration
electrolysis cell
current
Prior art date
Application number
PCT/EP2006/000060
Other languages
German (de)
English (en)
Inventor
Andreas Siemer
Andreas Schwarz
Norbert Maier
Original Assignee
Kärcher Futuretech GmbH
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 Kärcher Futuretech GmbH filed Critical Kärcher Futuretech GmbH
Priority to EP06700215A priority Critical patent/EP1841899A1/fr
Publication of WO2006077016A1 publication Critical patent/WO2006077016A1/fr
Priority to US11/879,962 priority patent/US20080017519A1/en

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
    • C02F1/467—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
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • 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

Definitions

  • the invention relates to a process for the preparation of an alkali metal hypochlorite solution, in particular a sodium hypochlorite solution, in which an undivided electrolysis cell is supplied with a brine solution having a specific volumetric flow and with a specific salt concentration.
  • the invention further relates to a device for producing an alkali metal hypochlorite solution, in particular a sodium hypochlorite
  • Solution comprising at least one undivided electrolysis cell, means for supplying a brine solution having a certain volume flow and a certain salt concentration in the electrolysis cell, and with a DC voltage source for generating a current through the electrolysis cell.
  • Such systems are offered by the company Wallace & Tiernan GmbH, Günzburg, under the name OSEC-S® and OSEC-B®.
  • the brine concentration in the electrolysis cell is measured by evaluating the voltage across the electrodes and the flowing current. From this, a conductivity-proportional signal is generated which is used to control a saturated saline dosing pump.
  • a diaphragm-free electrolysis cell in which the ratio to the effective anode area and the effective cathode area in the electrolytic cell is at least 1, 5: 1 or greater.
  • the electrolytic cell is additionally cooled in order to reduce the amount of sodium chlorate formed.
  • the invention has for its object to provide a method and apparatus for producing a Alkalimetallhypochloritans, whereby the simplest possible, trouble-free and low-maintenance construction is guaranteed and yet sufficient concentration of alkali metal hypochlorite solution can be produced.
  • This object is achieved by a process for the preparation of an alkali metal hypochlorite solution, in particular a sodium hypochlorite solution, in which an undivided electrolysis a brine solution is supplied with a certain volume flow and with a certain salt concentration, and wherein the current strength is set such that the concentration of chlorate obtained during the electrolysis to a maximum of 1, 5 g / l, preferably to a maximum of 1 g / l, is particularly preferably limited to a maximum of 0, 6 g / l.
  • the object of the invention is further achieved by a device for producing a Alkalimetallhypochloritans, in particular a Natriumhypochloritans, with at least one undivided electrolysis cell, means for supplying a brine solution with a certain volume flow and a certain salt concentration in the electrolytic cell, and with a DC voltage source for generating a Current through the electrolytic cell, wherein the current is set so tightly that the concentration of accumulating during electrolysis chlorate to a maximum of 1, 5 g / l, preferably limited to a maximum of 1 g / l, more preferably to a maximum of 0, 6 g / l is.
  • the production of an alkali metal hypochlorite solution with fixed parameters can be advantageously carried out by limiting the concentration of chlorate obtained during electrolysis by a fixed current.
  • concentration of active Chlorine increases only disproportionately with increasing the current strength beyond a certain value, while at the same time the production of undesirable chlorate as a byproduct increases disproportionately.
  • the method can be operated in this way with fixed operating parameters without the expense of a special scheme in such a favorable manner that an advantageous continuous operation is guaranteed with low maintenance.
  • the current is set between 2 and 6 amps, preferably between 2 and 4, 5 amps, more preferably between 2, 5 and 3, 5 amps.
  • the brine solution is prepared with a constant salt concentration by mixing a saturated brine solution with water.
  • the desired input concentration of the electrolytic cell with salt solution can be set to a favorable value in a particularly simple manner. Since the starting product used is a saturated salt solution which is mixed with water, preferably with deionized water or drinking water, a suitable concentration of the salt solution supplied to the electrolysis cell can be ensured without additional control effort.
  • the salt concentration of the brine solution supplied to the electrolysis cell is adjusted to a value between 2 and 10 g / l, preferably between 5 and 10 g / l.
  • V the flow velocity between 4 x 10 -5 m / s and 12 x 10 -5 m / s, preferably between 6 x 10 -5 m / s and 9 x 10 -5 m / s.
  • the DC voltage source is preferably designed as a constant current source.
  • the desired concentration of the brine solution supplied to the electrolytic cell can be adjusted either by mixing a saturated brine solution with water or by using a brine solution having a certain concentration.
  • the preset brine solution metering pumps are preferably used by the constant mixing ratio or a constant flow rate is guaranteed.
  • the electrodes of the electrolytic cell may for example consist of a material containing iron, mercury, stainless steel, titanium and / or platinum.
  • the electrodes preferably consist of uncoated titanium.
  • Figure 1 shows the relationship between current and the concentration of active chlorine or chlorate and the discharge temperature in an electrolysis cell according to the invention.
  • FIG. 2 shows the relationship between the feed concentration of a sodium chloride solution fed in and the active chlorine concentration produced
  • Fig. Figure 3 shows the relationship between the feed concentration of sodium hypochlorite and the concentration of active chlorine and chlorate produced and the discharge temperature
  • Fig. 4 shows the relationship between the volume flow used and the concentration of generated active chlorine and chlorate and
  • Fig. 5 is a simplified schematic diagram of a device according to the invention.
  • the basic structure of a device according to the invention is shown in FIG. 5 and generally designated by the numeral 10.
  • the apparatus 10 is used to produce a Alkalimetallhypochlorits, in particular a Natriumhypochlorits, using an electrolytic cell 12.
  • the electrolysis cell 12 is fed from a brine tank 20, a saturated salt solution, which is mixed before being supplied to the electrolytic cell 12 with water from a water tank 22.
  • the electrolysis cell 12 is designed as a one-piece, not divided by a membrane cell and has a housing made of PVDF.
  • the electrodes 14, 16, which are made of uncoated titanium, are connected to a DC voltage source 18, which is designed as a constant current source to produce a constant current of 3 amps at a voltage of about 3.5 to 4.5 volts.
  • sodium hypochlorite is formed from the aqueous sodium chloride solution upon release of hydrogen.
  • the output of the electrolysis cell is connected via a line 34 to a collecting container 36.
  • the sodium hypochlorite solution produced in this case is discharged to the outside via a line 38, while the hydrogen rises upwards and is discharged via an exhaust gas line 40 and diluted to a harmless concentration.
  • the concentration of the electrolytic cell 12 salt solution supplied is adjusted by metering pumps 24, 26, each generating a constant volume flow.
  • the first metering pump 24 sucks in the brine tank 20 saturated salt solution at a flow rate of 42 ml / h.
  • the second dosing pump sucks from the water tank 22 deionized water (or drinking water) via a line 32 with a flow rate of 2.958 l / h.
  • the pressure lines of the two metering pumps 24, 26 open via a common line 30 in the inflow of the electrolytic cell 12.
  • the electrolytic cell 12 is thus supplied in the example shown, a volume flow of 3 l / h sodium chlorite solution, the concentration of the mixture of the saturated salt solution with deionized water is adjusted to a value of about 5 g / l.
  • Fig. 5 is further indicated that the levels of the brine tank 20, the water tank 22 and the collecting container 36 are preferably monitored with a level monitoring, which may include about level sensors 42, 44, 46 and float switch (not shown).
  • a level monitoring which may include about level sensors 42, 44, 46 and float switch (not shown).
  • the operating parameters of the device 10 are now set such that the yield of Natriumhypochlorit trenchung is driven in a favorable range for the production of sodium hypochlorite, wherein at the same time the accumulation of undesirable chlorate is minimized.
  • Fig. 1 shows the concentration of active chlorine (sodium hypochlorite, NaOCl) and of chlorate depending on different current strengths.
  • the discharge temperature from the E- lektrolysezelle is applied, at a constant flow temperature of 17 0 C.
  • the flow rate in the example shown is 3.5 l / h at a sodium chloride concentration of 10 g / l. All measurement results (also in the following FIGS. 2 to 4) relate to an electrolytic cell with an effective electrode area of 140 mm x 80 mm and an electrode gap of 2 mm.
  • the current intensity is now limited according to the invention in such a way that the chlorate concentration in the effluent is less than 1.5 g / l, preferably less than 1.0 g / l, more preferably less than 0.6 g / l or 0.5 g / l. l is. This can be achieved with a current that is preferably set between 2, 5 and 3.5 ampere, optimally to 3 amps.
  • Fig. 2 the influence of the inlet concentration of NaCl on the active chlorine content is shown in the sequence, wherein a current of 3 amps was used.
  • Fig. 3 shows that with an increase in the salt content, the chlorate formation increases disproportionately.
  • Fig. FIG. 3 shows the concentration of active chlorine and of chlorate in the effluent and how the discharge temperature of the electrolysis cell as a function of the inflow concentration of NaCl (current 3 A). It is therefore a compromise between the chlorine yield on the one hand and the chlorate formation that should be avoided on the other.
  • the feed concentration is set to a value between 2 and 10 g / l, preferably to 5 g / l.
  • 4 shows the influence of the volume flow of salt solution supplied on the concentration of active chlorine and chlorate in the effluent, wherein a feed concentration of 10 g / l NaCl was used (current 3 A).
  • the optimum volume flow with which the electrolytic cell is to operate depends on the geometric dimensions of the cell.
  • the dimensions of the cell used are 140 x 80 mm electrode area at a distance of 2 mm.
  • the volume flow and the cell size are functionally linked to one another, since with larger cells the throughput (and the yield) increases proportionally as a function of the ion migration rate.
  • the device according to the invention is characterized by its particularly simple and reliable construction and works despite the absence of a control device in an optimal range in which the formation of chlorate is minimized and yet a sufficiently high sodium hypochlorite concentration is achieved.
  • the temperature was taken into account merely by limiting the current intensity (discharge temperature increases with increased current intensity). Cooling measures can thus be avoided.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

La présente invention concerne un dispositif et un procédé pour préparer une solution d'hypochlorure de métal alcalin, en particulier une solution d'hypochlorure de sodium, le dispositif comprenant au moins une cellule électrolytique non compartimentée (12), des systèmes (20, 22, 24, 26) pour amener à la cellule électrolytique (12) une solution saline avec un débit volumique et une concentration en sel déterminés, ainsi qu'une source de tension continue (18) pour produire un courant à travers la cellule électrolytique (12). L'intensité du courant est fixée de sorte que la concentration en chlorate produit lors de l'électrolyse, est limitée à une valeur maximale de 1,5 g/l, de préférence de 0,6 g/l.
PCT/EP2006/000060 2005-01-21 2006-01-05 Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin WO2006077016A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06700215A EP1841899A1 (fr) 2005-01-21 2006-01-05 Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin
US11/879,962 US20080017519A1 (en) 2005-01-21 2007-07-19 Method and device for producing an alkali metal hypochlorite solution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005004063A DE102005004063A1 (de) 2005-01-21 2005-01-21 Verfahren und Vorrichtung zur Herstellung einer Alkalimetallhypochloritlösung
DE102005004063.2 2005-01-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/879,962 Continuation US20080017519A1 (en) 2005-01-21 2007-07-19 Method and device for producing an alkali metal hypochlorite solution

Publications (1)

Publication Number Publication Date
WO2006077016A1 true WO2006077016A1 (fr) 2006-07-27

Family

ID=36283675

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/000060 WO2006077016A1 (fr) 2005-01-21 2006-01-05 Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin

Country Status (4)

Country Link
US (1) US20080017519A1 (fr)
EP (1) EP1841899A1 (fr)
DE (1) DE102005004063A1 (fr)
WO (1) WO2006077016A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448494A (en) * 2007-03-01 2008-10-22 Giovanni Del Signore Sodium hypochlorite production
WO2008138323A2 (fr) * 2007-05-16 2008-11-20 Grundfos Alldos Dosing & Disinfection Alldos Eichler Gmbh Dispositif de production de produits de réaction fluides

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058454B4 (de) * 2006-12-12 2012-01-26 Joachim Sautter Verfahren zur elektrolytischen Herstellung einer schwachen Natriumhypochloritlösung mit differenzdruckgesteuerter pH- und Redoxregelung mittels Elektrolysemembranzellen aus Wasser (H2O) und Kochsalz (NaCl)
DE202009016240U1 (de) 2009-11-27 2010-04-29 Weihmann, Andreas, Dipl.-Designer Wassergewinnungssystemtechnologie
AU2010200965B2 (en) * 2010-03-12 2014-05-01 Empire Technology Development Llc Brine discharge assembly
WO2012023901A1 (fr) * 2010-08-17 2012-02-23 Empire Technology Development Llc Système d'élimination de saumure destiné à une source de saumure
US20120228149A1 (en) * 2011-03-09 2012-09-13 Miox Corporation Electrochemical Generation of Quaternary Ammonium Compounds
WO2013131102A1 (fr) * 2012-03-02 2013-09-06 Miox Corporation Générateur de déchets en produit sur site
WO2016094591A1 (fr) 2014-12-09 2016-06-16 Miox Corporation Procédés permettant la production électrolytique directe de solutions d'halosulfamate ou d'halosulfonamide aqueuses stables à concentration élevée
CN107747108A (zh) * 2017-11-21 2018-03-02 北京金惠昌科技发展有限公司 一种实时检测电解液浓度的装置及方法
DE102020001704A1 (de) 2020-03-13 2021-09-16 Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Verfahren zur Aufbereitung eines Permeats einer mobilen Wasseraufbereitungsanlage
DE102020116916A1 (de) 2020-06-26 2021-12-30 Aquama Sàrl Vorrichtung sowie Verfahren zur Herstellung einer Reinigungsflüssigkeit
CA3194567A1 (fr) * 2020-10-08 2022-04-14 Joshua Griffis Procede d'utilisation d'eau demineralisee pour la reduction des chlorates dans les systemes d'electrochloration de saumure sur site

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806441A1 (de) 1977-02-18 1978-08-24 Chlorine Eng Corp Ltd Verfahren zur herstellung von natriumhypochlorit
US4329215A (en) 1980-06-13 1982-05-11 Frank Scoville Sodium hypochorite production and storage system
DE3215767A1 (de) * 1982-04-28 1983-11-03 Karl Dr. 6000 Frankfurt Hrska Anordnung mit elektrolysezelle zur wasserentkeimung
US4510026A (en) * 1983-11-16 1985-04-09 Panclor S.A. Process for electrolysis of sea water
EP0155479A2 (fr) 1984-03-22 1985-09-25 Heraeus Elektroden GmbH Procédé et dispositif pour la désinfection de l'eau
DE3704955A1 (de) 1987-02-17 1988-08-25 Roemer Technik Gmbh Elektrolyse-apparat
GB2334968A (en) 1998-03-03 1999-09-08 Univ Northumbria Newcastle Apparatus and method for the electrolytic production of hypochlorite

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3138438C2 (de) * 1981-09-26 1984-07-05 W.C. Heraeus Gmbh, 6450 Hanau Elektrolysezelle
DE3430616A1 (de) * 1984-08-20 1986-02-27 Siemens Ag Verfahren und vorrichtung zum entkeimen von trinkwasser
JP3319887B2 (ja) * 1994-10-05 2002-09-03 クロリンエンジニアズ株式会社 次亜塩素酸塩の製造方法
CA2204941C (fr) * 1996-05-21 2002-04-02 Paul F. Fulmer Methode et appareil pour optimiser la production electrolytique d'un halogene dans un systeme de traitement de l'eau
CA2315355C (fr) * 1999-08-06 2011-12-20 Sterilox Medical (Europe) Limited Traitement electrochimique d'une solution aqueuse
US20020139689A1 (en) * 2001-02-01 2002-10-03 Vadim Zolotarsky Electrode coating and method of use in a reverse polarity electrolytic cell
US20070007146A1 (en) * 2005-07-07 2007-01-11 Severn Trent Water Purification, Inc. Process for producing hypochlorite

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2806441A1 (de) 1977-02-18 1978-08-24 Chlorine Eng Corp Ltd Verfahren zur herstellung von natriumhypochlorit
US4329215A (en) 1980-06-13 1982-05-11 Frank Scoville Sodium hypochorite production and storage system
DE3215767A1 (de) * 1982-04-28 1983-11-03 Karl Dr. 6000 Frankfurt Hrska Anordnung mit elektrolysezelle zur wasserentkeimung
US4510026A (en) * 1983-11-16 1985-04-09 Panclor S.A. Process for electrolysis of sea water
EP0155479A2 (fr) 1984-03-22 1985-09-25 Heraeus Elektroden GmbH Procédé et dispositif pour la désinfection de l'eau
DE3704955A1 (de) 1987-02-17 1988-08-25 Roemer Technik Gmbh Elektrolyse-apparat
GB2334968A (en) 1998-03-03 1999-09-08 Univ Northumbria Newcastle Apparatus and method for the electrolytic production of hypochlorite

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2448494A (en) * 2007-03-01 2008-10-22 Giovanni Del Signore Sodium hypochlorite production
WO2008138323A2 (fr) * 2007-05-16 2008-11-20 Grundfos Alldos Dosing & Disinfection Alldos Eichler Gmbh Dispositif de production de produits de réaction fluides
WO2008138323A3 (fr) * 2007-05-16 2009-02-12 Grundfos Alldos Dosing & Disin Dispositif de production de produits de réaction fluides
US8940150B2 (en) 2007-05-16 2015-01-27 Grundfos Water Treatment Gmbh Apparatus for manufacturing fluid reaction products

Also Published As

Publication number Publication date
US20080017519A1 (en) 2008-01-24
EP1841899A1 (fr) 2007-10-10
DE102005004063A1 (de) 2006-07-27

Similar Documents

Publication Publication Date Title
WO2006077016A1 (fr) Procede et dispositif pour preparer une solution d'hypochlorure de metal alcalin
EP1986959B1 (fr) Procédé de production d'un désinfectant par activation électrochimique de l'eau
DE10216860B4 (de) Elektrolysevorrichtung für die Herstellung von Wasserstoffperoxid und Verfahren zur Herstellung von Wasserstoffperoxid
EP2191721A1 (fr) Moyen de désinfection à base d'acide hypochlorique et ses sels ainsi que leur procédé de fabrication par activation électrochimique
EP1600426B1 (fr) Procédé et dispositif pour la séparation des anions sulfates de l'eau et pour apporter un pouvoir tampon à l'eau
WO1993017151A1 (fr) Procede electrochimique de preparation d'acide glyoxylique
WO2009115577A1 (fr) Électrodiaphragmalyse
DE102015006706A1 (de) Kontinuierliches Verfahren zur Entfernung von Mikro-Verunreinigungen aus biologisch geklärtem, kommunalen Abwasser
DE2523117A1 (de) Verfahren und vorrichtung zur regeneration einer dekapierloesung
EP3867422B1 (fr) Système électrochimique pour la synthèse d'une solution aqueuse d'agents oxydants
WO2010012481A1 (fr) Procédé et installation de traitement de l'eau
EP3673098B1 (fr) Dispositif pour l'obtention des produits de l'électrolyse d'une solution de chlorure de métal alcalin
DE102014010901A1 (de) ECA Reaktor zur Erzeugung eines aktivierten hypochlorithaltigen Desinfektionsmittels
WO2014114291A2 (fr) Dispositif et procédé destinés à préparer une solution d'hypochlorure de sodium ayant un potentiel d'oxydoréduction supérieur à 800 mv et notamment un ph supérieur à 8
EP2374762B1 (fr) Installation et procédé de production d'une solution activée de manière électrochimique
DE2922275C2 (de) Verfahren zum Chlorieren und Bromieren von Wasser in einer Elektrolysezelle und Vorrichtung dafür
AT512231B1 (de) Badewasser und verfahren zur herstellung
DE102008041164B4 (de) Verfahren zur Aufbereitung von Wasser
DE102008026546B4 (de) Verfahren zur Herstellung eines hypohalogenithaltigen Biozids, mit diesem Verfahren erhältliches Biozid und dessen Verwendung
EP2657193B1 (fr) Installation d'électrolyse et son procédé de fonctionnement
EP0008470A1 (fr) Procédé pour l'électrolyse de solutions aqueuses d'halogénure alcalin
AT525630B1 (de) Lagerstabile lösung umfassend hypochlorige säure bzw.hypochlorit
EP3114087B1 (fr) Verfahren und vorrichtung zur herstellung wässriger chlordioxidlösungen
AT525645B1 (de) Lagerstabile lösung umfassend hypochlorige säure bzw. hypochlorit
WO2023150811A2 (fr) Solution stable au stockage comprenant de l'acide hypochloreux ou de l'hypochlorite

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
REEP Request for entry into the european phase

Ref document number: 2006700215

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2006700215

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 11879962

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWP Wipo information: published in national office

Ref document number: 2006700215

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 11879962

Country of ref document: US