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WO2008061546A1 - Cellule génératrice et générateur électrochimique avec la cellule génératrice - Google Patents

Cellule génératrice et générateur électrochimique avec la cellule génératrice Download PDF

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Publication number
WO2008061546A1
WO2008061546A1 PCT/EP2006/011165 EP2006011165W WO2008061546A1 WO 2008061546 A1 WO2008061546 A1 WO 2008061546A1 EP 2006011165 W EP2006011165 W EP 2006011165W WO 2008061546 A1 WO2008061546 A1 WO 2008061546A1
Authority
WO
WIPO (PCT)
Prior art keywords
cell
anode
electro
chamber
diaphragm
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.)
Ceased
Application number
PCT/EP2006/011165
Other languages
German (de)
English (en)
Inventor
Kurt Schneider
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.)
BIOSTEL SCHWEIZ AG
Original Assignee
BIOSTEL SCHWEIZ AG
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 BIOSTEL SCHWEIZ AG filed Critical BIOSTEL SCHWEIZ AG
Priority to PCT/EP2006/011165 priority Critical patent/WO2008061546A1/fr
Priority to DE202007004181U priority patent/DE202007004181U1/de
Publication of WO2008061546A1 publication Critical patent/WO2008061546A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/03—Electric current
    • A61L2/035—Electrolysis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
    • 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
    • C02F2001/46133—Electrodes characterised by the material
    • C02F2001/46138—Electrodes comprising a substrate and a 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
    • C02F2201/46115—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
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Definitions

  • the invention relates to an electro-diaphragm cell (EDPZ) according to the preamble of independent claim 1 and to an electro-hydraulic generator with one or more such electro-diaphragm cell.
  • EDPZ electro-diaphragm cell
  • Such electrodiaphragmalysis cells are used, for example, to split the water into hydrogen and oxygen by means of electrochemical processes in solutions of salts.
  • the generated ions are separated in the electric field and form with ions of the salt or salts acid and alkali.
  • the alkalis and acids thus produced are used, for example, as a disinfectant.
  • the electro-diaphragm cell and in particular its electrodes, the anode and the cathode, are exposed to aggressive substances, which previously degraded their durability and life. Previous electrodes often had insufficient durability and durability. Due to the appropriate choice of material, the service life can now be significantly extended.
  • the new electro-diaphragm cell brings significant improvements.
  • the electro-diaphragm analyzing cell has the features of the characterizing part of independent claim 1.
  • the dependent claims relate to advantageous embodiments of the invention.
  • the Elektrodiaphragmalysezelle according to the invention achieved under the same conditions a much longer life with the same production capacity, which significantly reduces the operating costs of the generator.
  • the new electrode material and in particular the coating of the electrodes substantially extend the life of the electro-diaphragm cell.
  • the electrohydraulic generator comprises one or more electro-diaphragm cell N according to the invention.
  • the interior of the electro-diaphragm cell is separated by the semipermeable (semipermeable) membrane into two equal chambers.
  • an electrode i. an anode, or a cathode present.
  • a DC voltage is applied to the two electrodes.
  • the electrolytic current is selected and set, for example, at a voltage of 24 volts DC in the range of 0 to 20 amps (typically 14 amps).
  • the two chambers are NaCl solution, called saline brine with lime-free (softened) water supplied.
  • FIG. 1 is a parallel perspective view of a
  • Fig. 2 is a partial side view of the Elektrodiaphragmalysezelle of Fig. 1 in a section, which in turn is partially enlarged.
  • Fig. 3 shows schematically the sequence of a conventional electrolysis
  • Fig. 4 as realized for example in the Biostel ® process schematically the sequence of the Electro-ionizing electrolysis.
  • the electro-diaphragm cell 1 shown in Fig. 1 consists essentially of the two housing shells 2 and 3, which are bolted together.
  • the half shells 2 and 3 of the housing are made for example of a plastic such as PVC.
  • the two housing shells 2 and 3 constitute in its interior a cavity, the interior space 10.
  • the interior space 10 is provided with the semipermeable membrane 11 into two compartments or KammerniO 1 and 10 "divided.
  • a Electrode 12, and 13 arranged in each of the partial spaces or chambers 10 'and 10" is a Electrode 12, and 13 arranged.
  • the electrodes 12 and 13 are electrically conductive materials, the anode against the chemically aggressive
  • Acid is specially coated.
  • the two electrodes 12 and 13 are guided to the outside.
  • the outwardly led connections 12 "and 13 'become connected to a DC voltage of 24 volts.
  • the current for the electro-diaphragm analysis is usually in the range of 10 to 20 amps, typically about 14 amps.
  • Generators are generated, each flow through a bore 14, or 14 'through lines (not shown) to containers (not shown).
  • Diaphragm 11 each have a spacer 15 is arranged, which is at the same time seal. Between the spacer 15 and the electrode 13 (anode) is additionally a protective film 16 of e.g. Polyethylene arranged, which covers the non-active region of the anode 13 and protects against the particularly aggressive acid.
  • a protective film 16 of e.g. Polyethylene arranged, which covers the non-active region of the anode 13 and protects against the particularly aggressive acid.
  • Fig. 2 the bores 20 and 30 for the supply of salt solutions (arrows) to the subspace with the cathode 12 and those with the anode 13 are shown. Also, the holes 14 and 14 ', through which the products of the electrochemical generator flow out of the generator cell 1 (arrows) are shown in Fig. 2.
  • a one-way valve 17 is installed in the example shown.
  • the one-way valve 17 may be a check valve that opens only at a certain pressure. This results in the chamber with the anode 13 to a higher pressure than in the chamber with the cathode 12.
  • the membrane 11 is thereby to the cathode 12 out arched. This measure results in optimum pH and redox values for acid and alkali
  • the generator is a self-contained producing and monitored system that operates fully automatically and requires no further manipulation except for sporadically prescribed controls and manual salt refilling. Important prerequisites for optimum function are a dust-free and well-ventilated location and a temperature of not less than + 5 ° Celsius.
  • the softener works fully automatically after 1 1 000 liters of consumption it interrupts the production and regenerates itself to 0 c DH. He stands in the right trough part with saturated salt solution for regeneration. Contaminated water and rinse water is discharged directly into the drain. The water required for the next regeneration is automatically refilled via a float valve. Irrespective of the production volume, a forced regeneration takes place every fourth day.
  • a magnetic field is opened to supply the softened water to the process in the system.
  • the left pan contains the saturated brine needed for the process.
  • An underwater pump ensures the permanent circulation of the brine. Extracted brine is automatically replaced with fresh water via a float switch and a bypass solenoid valve and circulated.
  • the flow rate (about 40 liters of Anostel® and 40 liters of Cathostel® are finely adjusted via a manual needle valve.
  • the needle valve in the riser the amount specified by the electronics brine is sucked with a pump and inoculated into the line.
  • the quantity of brine is regulated on the basis of the ampere measurement of the absorbed current in the electrolytic cell (system clamp ammeter).
  • Static flow rate limiters prevent the amount from being able to be adjusted at the top (a maximum of about 45 liters per hour and a line at 4 bar).
  • inductive turbines measure the effective flow rate and report the values to the electronics for display on the needle readjustment display (item 10) Fault message if the quantity per line exceeds tolerance.
  • the electrolysis cell in the two chambers is produced, the acidic solution and the alkaline solution Anostel ® ® Cathostel separated by a special diaphragm and two energized electrodes.
  • the active areas of the diaphragm and the electrodes as well as the flow rate have been accurately determined and specified for optimum measurement results and can not be arbitrary to be changed.
  • the distance between the diaphragm and the electrodes is also decisive.
  • the formulation to be prepared according to need is prepared by pumping the caustic into the acid with a mix pump installed on the containers.
  • the hydrogen ions When the hydrogen ions come into contact with the Cathostel ® electrode, they absorb electrons and transform into microscopic hydrogen bubbles.
  • the negatively charged ions and sulfurous acid from the anode (Anostel ® - electrode) tightened there to break up the water molecules, without appreciably losing electrons.
  • the resulting reaction in the Anostel ® electrode is the ionization of water, which forms microscopic oxygen bubbles, light chlorine compounds and other ionized compounds. Slightly released chlorine gas is evacuated.
  • the electro-diaphragm analysis cell 1 has an inner space 10 and a semipermeable membrane 11, which divides the inner space 10 into a first chamber 10 'or a first partial space 10' and a second chamber 10 "or a second partial space 10".
  • a cathode 12 is arranged in the first chamber 10 'and an anode 13 in the second chamber 10 ".
  • the two electrodes 12, 13 each have an electrical connection 12', 13 'and each of the two chambers 10', 10" has an inlet opening 20, 30 for the slightly salty and lime-free water and an outlet opening 14; 14 'for the acid, or the alkali.
  • the cathode 12 and the anode 13 are made of metal, preferably made of titanium or pure titanium.
  • the anode 13 is acid-resistant coated.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electrochemistry (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

La cellule d'analyse d'électro-diaphragme (1) selon l'invention comporte une cavité interne (10) et une membrane semi-perméable (11) qui sépare la cavité interne (10) en une première chambre (10') ou une première cavité partielle (10') et une seconde chambre (10') ou une seconde cavité partielle (10'). Dans la première chambre (10') est disposée une cathode (12) et dans la seconde chambre (10') une anode (13). Les deux électrodes (12, 13) comportent chacune une connexion électrique (12' ; 13'). Et chacune des deux chambres (10',10') comporte une ouverture d'entrée (20,30) pour l'eau légèrement salifère et dépourvue de calcaire et une ouverture de sortie (14 ; 14') pour l'acide, et/ou la lessive. La cathode (12) et l'anode (13) sont constituées de métal, de préférence de titane ou de titane pur. L'anode (13) est recouverte d'un revêtement résistant à l'acide.
PCT/EP2006/011165 2006-11-22 2006-11-22 Cellule génératrice et générateur électrochimique avec la cellule génératrice Ceased WO2008061546A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2006/011165 WO2008061546A1 (fr) 2006-11-22 2006-11-22 Cellule génératrice et générateur électrochimique avec la cellule génératrice
DE202007004181U DE202007004181U1 (de) 2006-11-22 2007-03-21 Generatorzelle und elektrochemischer Generator mit der Generatorzelle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/011165 WO2008061546A1 (fr) 2006-11-22 2006-11-22 Cellule génératrice et générateur électrochimique avec la cellule génératrice

Publications (1)

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WO2008061546A1 true WO2008061546A1 (fr) 2008-05-29

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Country Status (2)

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DE (1) DE202007004181U1 (fr)
WO (1) WO2008061546A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7836543B2 (en) 2006-02-10 2010-11-23 Tennant Company Method and apparatus for producing humanly-perceptable indicator of electrochemical properties of an output cleaning liquid
US7891046B2 (en) 2006-02-10 2011-02-22 Tennant Company Apparatus for generating sparged, electrochemically activated liquid
US8007654B2 (en) 2006-02-10 2011-08-30 Tennant Company Electrochemically activated anolyte and catholyte liquid
US8012339B2 (en) 2006-02-10 2011-09-06 Tennant Company Hand-held spray bottle having an electrolyzer and method therefor
US8012340B2 (en) 2006-02-10 2011-09-06 Tennant Company Method for generating electrochemically activated cleaning liquid
US8016996B2 (en) 2006-02-10 2011-09-13 Tennant Company Method of producing a sparged cleaning liquid onboard a mobile surface cleaner
US8025786B2 (en) 2006-02-10 2011-09-27 Tennant Company Method of generating sparged, electrochemically activated liquid
US8025787B2 (en) 2006-02-10 2011-09-27 Tennant Company Method and apparatus for generating, applying and neutralizing an electrochemically activated liquid
US8046867B2 (en) 2006-02-10 2011-11-01 Tennant Company Mobile surface cleaner having a sparging device
US8062499B2 (en) 2008-05-05 2011-11-22 Tennant Compnay Charge movement detector for electrochemically activated liquids
US8236147B2 (en) 2008-06-19 2012-08-07 Tennant Company Tubular electrolysis cell and corresponding method
US8319654B2 (en) 2008-06-19 2012-11-27 Tennant Company Apparatus having electrolysis cell and indicator light illuminating through liquid
US8337690B2 (en) 2007-10-04 2012-12-25 Tennant Company Method and apparatus for neutralizing electrochemically activated liquids
US8371315B2 (en) 2008-12-17 2013-02-12 Tennant Company Washing systems incorporating charged activated liquids
US8485140B2 (en) 2008-06-05 2013-07-16 Global Patent Investment Group, LLC Fuel combustion method and system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH707059A1 (de) * 2012-10-04 2014-04-15 Biostel Schweiz Ag Elektrolyszelle.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479864A (en) * 1982-08-04 1984-10-30 The Japan Carlit Co., Ltd. Anode for electrolysis of seawater
US5965009A (en) * 1996-04-24 1999-10-12 Permelec Electrode Ltd. Method of producing acid water and electrolytic cell therefor
US20030213702A1 (en) * 2002-05-16 2003-11-20 Zamview Pty Ltd. Acn 010 805 731 Waste disposal apparatus and method
US20040094406A1 (en) * 2002-11-15 2004-05-20 Yuichi Sawada Apparatus for production of strong alkali and acid electrolytic solution
EP1600426A2 (fr) * 2004-05-29 2005-11-30 Verein für Kernverfahrenstechnik und Analytik Rossendorf e.V. Procédé et dispositif pour la séparation des anions sulfates de l'eau et pour apporter un pouvoir tampon à l'eau

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479864A (en) * 1982-08-04 1984-10-30 The Japan Carlit Co., Ltd. Anode for electrolysis of seawater
US5965009A (en) * 1996-04-24 1999-10-12 Permelec Electrode Ltd. Method of producing acid water and electrolytic cell therefor
US20030213702A1 (en) * 2002-05-16 2003-11-20 Zamview Pty Ltd. Acn 010 805 731 Waste disposal apparatus and method
US20040094406A1 (en) * 2002-11-15 2004-05-20 Yuichi Sawada Apparatus for production of strong alkali and acid electrolytic solution
EP1600426A2 (fr) * 2004-05-29 2005-11-30 Verein für Kernverfahrenstechnik und Analytik Rossendorf e.V. Procédé et dispositif pour la séparation des anions sulfates de l'eau et pour apporter un pouvoir tampon à l'eau

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8046867B2 (en) 2006-02-10 2011-11-01 Tennant Company Mobile surface cleaner having a sparging device
US8156608B2 (en) 2006-02-10 2012-04-17 Tennant Company Cleaning apparatus having a functional generator for producing electrochemically activated cleaning liquid
US8007654B2 (en) 2006-02-10 2011-08-30 Tennant Company Electrochemically activated anolyte and catholyte liquid
US8012339B2 (en) 2006-02-10 2011-09-06 Tennant Company Hand-held spray bottle having an electrolyzer and method therefor
US8012340B2 (en) 2006-02-10 2011-09-06 Tennant Company Method for generating electrochemically activated cleaning liquid
US8016996B2 (en) 2006-02-10 2011-09-13 Tennant Company Method of producing a sparged cleaning liquid onboard a mobile surface cleaner
US8025786B2 (en) 2006-02-10 2011-09-27 Tennant Company Method of generating sparged, electrochemically activated liquid
US8025787B2 (en) 2006-02-10 2011-09-27 Tennant Company Method and apparatus for generating, applying and neutralizing an electrochemically activated liquid
US7891046B2 (en) 2006-02-10 2011-02-22 Tennant Company Apparatus for generating sparged, electrochemically activated liquid
US7836543B2 (en) 2006-02-10 2010-11-23 Tennant Company Method and apparatus for producing humanly-perceptable indicator of electrochemical properties of an output cleaning liquid
US8719999B2 (en) 2006-02-10 2014-05-13 Tennant Company Method and apparatus for cleaning surfaces with high pressure electrolyzed fluid
US8603320B2 (en) 2006-02-10 2013-12-10 Tennant Company Mobile surface cleaner and method for generating and applying an electrochemically activated sanitizing liquid having O3 molecules
US8337690B2 (en) 2007-10-04 2012-12-25 Tennant Company Method and apparatus for neutralizing electrochemically activated liquids
US8062499B2 (en) 2008-05-05 2011-11-22 Tennant Compnay Charge movement detector for electrochemically activated liquids
US8485140B2 (en) 2008-06-05 2013-07-16 Global Patent Investment Group, LLC Fuel combustion method and system
US8319654B2 (en) 2008-06-19 2012-11-27 Tennant Company Apparatus having electrolysis cell and indicator light illuminating through liquid
US8236147B2 (en) 2008-06-19 2012-08-07 Tennant Company Tubular electrolysis cell and corresponding method
US8371315B2 (en) 2008-12-17 2013-02-12 Tennant Company Washing systems incorporating charged activated liquids

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