WO2002059046A2 - Procede d'activation d'eau potable et chimiquement pure - Google Patents

Procede d'activation d'eau potable et chimiquement pure Download PDF

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Publication number
WO2002059046A2
WO2002059046A2 PCT/US2002/002123 US0202123W WO02059046A2 WO 2002059046 A2 WO2002059046 A2 WO 2002059046A2 US 0202123 W US0202123 W US 0202123W WO 02059046 A2 WO02059046 A2 WO 02059046A2
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WO
WIPO (PCT)
Prior art keywords
water
self
discharge
glow discharge
maintained
Prior art date
Application number
PCT/US2002/002123
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English (en)
Other versions
WO2002059046A3 (fr
Inventor
Olexandr. B. Zayika
Vasily P. Bakhar
Edward Levin
Original Assignee
Water Works Global, Inc.
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Priority to AU2002243660A priority Critical patent/AU2002243660A1/en
Publication of WO2002059046A2 publication Critical patent/WO2002059046A2/fr
Publication of WO2002059046A3 publication Critical patent/WO2002059046A3/fr

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Classifications

    • 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
    • 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
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • 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
    • C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
    • 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
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
    • 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
    • C02F2201/4616—Power supply
    • C02F2201/46175—Electrical pulses
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/06—Pressure conditions
    • C02F2301/063—Underpressure, vacuum
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical

Definitions

  • the proposed invention relates to the domain of water activation, principally of potable and chemically pure, by increase of its reactivity's worth.
  • the water, received by this method can be used in medicine, veterinary medicine, agriculture, fi-od, mining and processing, as well as in chemical industry.
  • the invention can also be used for activation of any water-based mediums.
  • Background of the Invention There is a known method of water activation with the use of km-exchange resins (US
  • JP electrical corona discharge
  • a treated fluid (alkaline solution) is heated up to 80»85°C in a chamber comprising two electrodes, arranged one above the other, with simultaneous supply to the electrodes of a constant voltage of 1400-1500 V with a current strength of 4.0-5.0 A until a glowing electric corona discharge appears on the upper electrode and the current strength decreases, and then the treated fluid is passed through the chamber with the voltage on the electrodes being 650- 700 V and the current strength of 0.5 A.
  • a treated fluid alkaline solution
  • the electrolytic activation of water demands presence of salt ions, therein providing for its electrochemical conductivity, and activation with the use of a corona discharge demands a high voltage of at least 1400 V,
  • Another object of the invention is to provide conditions for ionization. and support of the basic discharge with the aid of additional ionization discharge, that is applied to the same pair of unlike electrodes, with rather low average in time value of the impulse current strength up to 5mA and rather high voltage up to lOkN.
  • One more object of the invention is to make provision for control of the impulse operating current value and duty cycle in the glow discharge medium, and for adjustment of the clock frequency, as well as to make provisions for control of value of impulse current strength, duty cycle and impulse duration in additional ionization discharge medium.
  • the said non-self-maintained glow discharge as claimed in the invention is a discharge produced by effect of an impulse voltage in ionized gaseous medium, featuring average in time value of strength of the operating current of 0.1-20 A, the voltage of no more than 500 V, the clock frequency of 0.1-100 kHz, and the duty cycle of at least 1,3.
  • the non-self-maintained glow discharge is produced by simultaneous application to the said unlike electrodes of the operating impulse voltage, of no more than 500 N, with the clock frequency of 0.1-100 kHz, duty cycle no less that 1.3 and the ionization impulse voltage of 2-10 kV, with average in time value of the strength of impulse current of 30-5000 ⁇ A and the pulse duration of 0.01-20 ⁇ s.
  • the temperature in the discharge medium is maintained below the natural boiling point of the treated fluid, and the pressure is maintained at 30-250 Torr.
  • the said treated water is fed mainly in a turbulent flow of 0.3-5 mm in depth..
  • the basic adjustable parameter of the glow discharge used to treat the water is the average in time value of the operating impulse current strength at a stable voltage clock frequency, duty cycle and for ionization impulse current its value of strength, clock frequency and impulse duration.
  • the ionization impulse voltage provides for ionization of plasma of the non-self-maintained glow discharge, and the operating impulse current commands main modes of the water activation in plasma of the non-self-mainta-ned glow discharge.
  • the ionization impulse voltage provides conditions for the formation of low-frequency pulses of the operating current of the non-self- maintained glow discharge, as well as prevent formation of an arc discharge between the unlike electrodes.
  • the zone of the non-self-m--intained glow discharge is further affected by a magnetic field with the value of magnetic induction being at least 0.01 T (Tesla) in the discharge zone.
  • the average in time value of the operating impulse current, its clock frequency and duty cycle, depth of the treated water sheet are basic parameters, affecting the efficiency of the water activation..
  • a magnetic field with the value of magnetic induction being at least 0.01 T in the discharge zone is established;
  • the essence of the invention is that it is hereby proposed, that water will be activated with the use of a non-self-maintained glow discharge that will allow to increase the average in time value of strength of the operating impulse current up to 20A on every pair of the unlike electrodes and more, at -the voltage of no-more than- 500 N, as-weH-as to provide for adjustment of the average in time impulse operating current of strength value, frequency and relative pulse duration to provide for production of activated- ater with specific properties,
  • the above technique allows to increase the efficiency of water activation and to reduce power consumption per volume unit of a treated fluid.
  • Fig ⁇ -1- presents-cha- : ts---afld 3 ofpH-value- variation, and charts 2 and 4 of accumulation of hydrogen -peroxide and super-oxide compounds, having place during treatment of respectively chemieally pure (distiHed) and potable-water-by glow discharge, where axis X is for the value of the Operating -impulse current during water treatment by the non-self- maintained- glow discharg in-ffinpere-r- A), ax ⁇ s-N is-the-pH index, and the axis running parallel to the Y axis is the concentration (C) of hydrogen peroxide and-super-oxide compounds (H 2 O 3 ) in -mg 1.
  • the activated water has a ger icida! effect on microorganisms. Water, that is just saturated with hydrogen peroxide, has no such property.
  • the activated water features antibiosis properties in respect of a wide spectrum of microorganisms, in particular of the following: E.coli, Aerocuccus viridans, Salmonella tiphymurium, Klebsiella pneumoniae, Pseudomonas aerogenosae, Proteus vulgaris, Candida albicans, that cause infectious diseases among people, animals and birds.
  • Such properties of water, treated by a non-self-maintained glow discharge, are conditioned by accumulation therein of highly reactive hydrogen peroxide and super-oxide compounds and fissile radicals that suppress breathing capacity of microorganisms. At the same time, such water is not harmful for macro-organisms owing to horoeostasis supported with the aid of peroxidase and catalase.
  • the activated water treated as described above by a non-self-maintained glow discharge, was used for extraction of gold and silver by cyanide leaching of mining concentrates, by the method of prior dissolution of cyanides of alkali metals in the activated water.
  • the use of the activated water results in higher rate of b--ching of noble metals, and as the consequence, increase of productivity of hydrometallurgical process as a whole.
  • the time required &r extraction of Au and Ag from mining concentrates amounts to 24-48 hours, whereas with the use of cyanide solutions, prepared ⁇ n the activated water the time is 2-4 hours,
  • the efficiency of extraction of Au and Ag with the use of the activated water varies from 90 up to 99 %, and the need to use atmospheric oxygen, as an obligatory component of the reacting system, is therewith eliminated.
  • the comparative data of the Au and Ag extraction by cyanidation of mining concentrates of some goldfields of the K-tf-imkensky Integrated Mining and Smelting Works ( Russia), proves the efficiency of the use for these purposes of solutions, prepared on the activated water.
  • Fig. 2 is a block diagram of the device for water activation
  • Fig. 3 is a longitudinal sectional view of a reactor, where proper water activation occurs
  • Fig, 4 is a cross-sectional view of the said reactor taken along line A-A,
  • a device for water activation (Fig. 2) comprises a reactor 1 where a non-self-maintained glow discharge is produced and proper water activation occurs, a reservoir 2 for accumulation of water before it is fed to the reactor 1 provided with a float valve 3, a means 4 providing for vacuum development in the reactor ⁇ , a unit 5 for onitoring selected vacuum parameters in the reactor ⁇ , a unit 6 for feeding water from the reservoir 2 into the reactor 1, units 7 and 8 for cooling the reactor 1, a reservoir 9 for collection of activated water, a pump 10 for pumping out the activated water from the reservoir 9, a filter 11 connected with the pump 10, a three-way valve 12 installed at the outlet of the filter 11, a pipeline 13 connecting the reservoir 3 with the valve 12, an electrical power supply source 1 for energizing the reactor 1 and a means 15 providing control over and monitoring of operation of the entire device.
  • the means 15 can be made, for example, as a processor.
  • a device as claimed in the invention can be made with one reactor 1 or more.
  • the means 4 providing for vacuum development in the reactor 1 comprises a water-jet ejector
  • the unit 5 for monitoring the selected vacuum parameters in the reactor 1 comprises a pressure transmitter 21 connected with the reactor 1 and a controller 22 of the pressure transmitter 21, and a solenoid-operated valve 23,
  • a pipeline 24 connects the ejector 16 to the reactor 1 and the reservoir 9 for vacuum development therein.
  • the unit 6 for feeding fluid from the reservoir 2 into the reactor 1 comprises a coarse filter 25, a solenoid-operated valve 26 and a pipeline 27 connecting the reservoir 2 with the reactor l ,
  • the unit 7 for cooling the reactor 1 is essentially a jacket placed around the reactor 1 connected with the means (not specified on the drawing) for pumping a liquid coolant through the jacket.
  • the unit 8 for cooling the reactor 1 comprises heat exchanger 28, an oil pump 29 and means for cooling oil in the heat exchanger 28.
  • the means for cooling oil in the cooler 28 can be provides by cooled water.
  • the pumps 10 and 17, the power source 14, the controller 22 of the pressure transmitter 21, and the solenoid-operated valve 23, the solenoid-operated valve 26, the oil pump 29 are connected with the control means 15 (the connection is not specified on the drawing).
  • the reactor 1 (Fig. 3) is made as a chamber, and comprises a case 30 being an electrode that is covered, during the operation with the treated fluid.
  • the reactor 1 is equipped with the means for delivering and forming a stream of the treated fluid made, for example, as injectors 33.
  • Magnets 34 are installed on the outer side of the case 30 opposite the electrodes 31 with the provision for the removal thereof.
  • the electrodes 31 (Fig. 4) are made of annular shape with through holes 35 connected with the cooling system 32 made as two coaxial pipes connected with the unit 8 (Fig. 2) for cooling the reaetor 1 by the feed and lateral pipelines (not specified on the drawing).
  • the magnets 34 are the permanent magnets (it is also possible to use electromagnets) made of annular shape and installed in discharge zone with the provision for the removal thereof.
  • the jet injectors 33 have mainly a tangential arrangement along a circle at an angle of 5-30 degrees relative to the horizontal plane of the reactor i, and are connected by the pipeline 27 to the reservoir 2.
  • the case 30 being an electrode and the electrodes 31 are electrically connected to the electrical power supply source 14.
  • the electrical power supply source 14 comprises sources of the operating impulse voltage and ionization impulse voltage (not specified on the drawing), each being individually connected to the electrodes 30 and 31.
  • the case 30, being an electrode, of the reactor 1 is made in a form of a hollow cylinder (tube) with the inside diameter from 25 up to 250 mm and the height from 150 up to 1500 mm.
  • the case 31 is made of a material having no catalytic effect on the treated water (for example titanium, vanadium, zirconium, tin, tantalum, stainless steel), and is installed spatially upright,
  • the electrode 31 can comprise one or more electrode members. To activate large volumes of water, it is necessary to have a large surface area of the active electrode. Therefore, the electrode 31 can be a cluster electrode. The number of the members thereof is determined by the time required for the treated fluid to stay in the reaction zone in order the selected degree of activation can be achieved.
  • a separate conductor 36 connects every electrode 31 to the electrical power supply source 14. There is a galvanic isolation between the electrodes 31 and the case 30 (being an electrode) of the reactor 1 and between the electrodes provided by dielectric hollow inserts 37 made of ceramics.
  • the electrodes 31 are installed, so that they have a clearance of 4-25 mm relative to the electrode 30.
  • the electrodes 31 are made of a metal, having a thermal conductivity of at least 100
  • the outside surface of the electrodes 31 is covered with a refractory metal, for example, tungsten or nickel-chromium alloy.
  • the magnets 34 are made so that to provide a magnetic field with a value of magnetic induction of at least 0.01 T in the discharge zone.
  • the device functions in the following manner:
  • a reduced atmospheric pressure from 30 up to 250 Torr (from 4 * 10 3 to 3.3 * 10 4 Pa), i.e. vacuum, is developed in the case 30 of the reactor 1 with the aid of the water-jet ejector 16.
  • water to the ejector 16 is fed from the reservoir 18 with the use of the pump 17.
  • the selected vacuum parameters are monitored with the aid of the pressure transmitter 21, the controller 22 of the pressure transmitter 21 and the solenoid-operated valve 23. In so doing, the controller 22 of the pressure transmitter 21 digitizes data received from the pressure transmitter 21 and feeds this information to the a processor 15,
  • the liquid coolant is pumped through the unit 7, i.e. the cooling jacket of the reactor 1, and the cooling transformer oil is pumped through the unit 8 connected with the cooling system 32, thus ensuring maintenance of the selected temperature in the reactor 1 below the natural boiling point of the treated water,
  • the solenoid-operated valve 26 opens in response to a control signal of the processor 15, and water is fed for treatment in a turbulent flow
  • the operating impulse voltage of no more than 500 N with the clock frequency of 0.1-100 kHz, and duly cycle no less, than 3 and the ionization impulse voltage featuring the value of 2-10 kN, the current strength of 30-5000 uA and the pulse duration of 0.01-20 ⁇ s, are simultaneously applied to the electrodes 30 and 31, thus igniting a non-self- maintained glow discharge, with an adjustable operating current with average value of strength of 0.1-20 A, the voltage of no more than 500 N, the clock frequency of 0.1-100 kHz and the duty cycle ofat least 1,3,
  • Such conditions of producing the glow discharge allow to implement the process at an average in time value of impulse current strength of up to 20 A, and a voltage of no more than 500 N, with the provision for adjustment of the clock frequency and duty cycle of the current.
  • the water is treated by the non-self-maintained glow discharge, in presence or in absence of a magnetic field.
  • the activated water is returned through the valve 12, the pipeline 13 into the receiving reservoir 2, and is delivered again into the reactor 1 through the pipeline 27,
  • Water was subject to treatment by plasma of a non-self-maintained glow discharge, induced with the aid of the above-described device, and such treatment consisted in passing thereof in a turbulent flow 0.5 mm in depth through the --one of the discharge in several cycles.
  • the operating impulse voltage of 490V with the clock frequency of 2 kHz was applied to the electrodes 30 and 31.
  • the non-self-maintained glow discharge plasma was ionized by the ionization impulse voltage of I ⁇ kV, with the average in time value of impulse current strength of 5 mA, with the pulse duration of lO ⁇ s, and clock frequency of 40 kHz, which was also applied to the electrodes 30 and 31.
  • Water was treated by the non-self-raaintained glow discharge, having the average in time value of the impulse operating current strength of 1A, 2,5A, 5 A, 7,5 A, 10A and 12,5 A on four pairs of the unlike electrodes, and the relative pulse duration of 2.
  • the distance from the water surface to the electrode in the gaseous atmosphere was 8 mm.
  • the non-self-maintained glow discharge plasma was further affected by a magnetic field with the value of magnetic induction being 0.02 T in the discharge zone.
  • a degree of activation of distilled water was examined in relation to the average in time value of strength of impulse operating current, and the relative pulse duration of the non-self-maintained glow discharge.
  • Water s subject to treatment by plasma of a non-self-maintained glow discharge produced with the aid of the above-described device, and such treatment consisted in passing thereof in a turbulent flow Q.55 mm in depth through the zone of the discharge in multiple cycles.
  • the operating impulse voltage of 480V with the clock frequency of 1500Hz was applied to the electrodes 30 and 31.
  • the non-self-maintained glow discharge plasma was ionized by the ionization impulse voltage of l ⁇ kV, with average in time value of current strength of 3mA with the pulse duration of 15 ⁇ s, and clock frequency of 40kHz, which was also applied to the electrodes 30 and 31.
  • Water was treated by the non-self-maintained glow discharge, having the impulse operating current with the average in time value of strength 1A 5 A and 10A on two pairs of the unlike electrodes and the relative pulse duration of 2, 3, 4.
  • the distance from the water surfi.ee to the electrode in the gaseous atmosphere was ⁇ mm,
  • the non-self-maintained glow discharge plasma was fiirther affected by a magnetic field, with the value of magnetic induction being 0.02 T in the discharge zone.
  • a degree of activation of potable water was examined in relation to the depth of the stream sheet, average in time value of the operating current strength and presence or absence of a magnetic field.
  • Water was subject to treatment by plasma of a non-self-maintained glow discharge, induced with the aid of the above-described device, and such treatment consisted in passing thereof in a turbulent flow 0.3mm, 0.45mm, 0.6mm and 0.75mm in depth through the zone of the discharge in multiple cycle.
  • the operating impulse voltage supplied was of 470V with the clock frequency of 600Hz.
  • the nQn-self-maintained glow discharge plasma was produced by the ionization impulse voltage of
  • the distance from the fluid surface to the electrode in the gaseous atmosphere was 6mm.
  • the Hem-self-maintained glow discharge plasma was fiirther affected by a magnetic field with the value of magnetic induction being 0.02 T in the discharge zone,
  • a degree of activation of potable water was examined in relation to the average in time value of the operating current strength and its clock frequency.
  • the operating impulse voltage supplied was of 470V with the clock frequency of 100 Hz and 4Q0 Hz.
  • the non-self-maintained glow discharge plasma was produced with the aid of ioni- ⁇ ation impulse voltage of 10 kV, impulse current strength of 4 mA, with the pulse duration of 5 ⁇ s and clock frequency 20kHz.
  • the non-self-maintained glow discharge plasma was further affected by a magnetic field with the value of magnetic induction being 0.02 T in the discharge zone.
  • Staphilococcus aureus 3824 depending on the degree of activation.
  • the microorganisms sensitivity to the mediums was determined by the method of disk superposition, the essence of which consists in that a culture sensitivity to the respective mediums is judged by the diameter of the culture growth inhibition zones.
  • Waters were subject to treatment by plasma of a non-self-maintained glow discharge, induced with the aid of the above-described device, and such treatment consisted in passing thereof in a turbulent flow 0,4 mm in depth through the zone of the discharge in multiple cycles,
  • the operating impulse voltage supplied was of 460V with the clock frequency of 20kHz.
  • the non-self-maintained glow discharge plasma was produced with the aid of the ionization impulse voltage of 9kV, yalue of impulse current strength of 3mA with the pulse duration of lO ⁇ s and clock frequency of 20kHz.
  • the distance from the water surface to the electrode in the gaseous atmosphere was 8 mm.
  • microorganisms in contrast with ozonized potable water.
  • the adversary activity of water treated by a non-self-maintained glow discharge in respect of microorganisms of the genus Staphylococcus aureus 13 and Staphylococcus aureus 3824 was checked after 1, 5, 10, 14, 21, 40, 50, 60 and 180 days from the moment of their preparation.
  • the water and solutions were kept in a glass flask at an ambient temperature. During the whole period, we observed some decline in the adversary activity of the solutions, However, a 20-% delay in growth of the culture Staphylococcus aureus was observed even after a 8-month storage of the activated water.
  • the operating impulse voltage of 480V with clock frequency of 500Hz was applied to the electrodes 30 and 31.
  • the non-self-maintained glow discharge was produced with the aid of ionization impulse voltage of 9kV, with average in time value of current strength of 2mA and impulse duration 5 ⁇ s.
  • the non-self-maintained glow discharge plasma was further affected by a magnetic field with the value of magnetic induction being ⁇ .02T in the discharge zone, Usage of cyanide solutions, prepared on the base of water activated by plasma of non-self- maintained glow discharge provides for drastic increase of speed of cyanide gold leaching, thus increasing efficiency of hydrometallurgical processes.
  • K.CN was dissolved in standard sample water and in water, preliminary activated by plasma of non-self-maintained glow discharge, in the mode described above.
  • prepared cyanide solution on the base of activated water and standard sample water have been used for cyanide leaching of gold from ore and radio-electronic scrap.
  • cyanide solution prepared of the base of water activated by plasma of non-self-maintained glow discharge, demonstrate higher reactivity towards gold than cyanide solution, based on standard sample water.
  • Speed of dissolving of gold in cyanide solutions, based on activated water is 20-25 times higher, than that for cyanide solutions, based on standard sample water, Constant of reaction speed for cyanide solution, prepared on the base of water activated by plasma of non-self-m-unta-ned glow discharge is 10 times higher, than that for cyanide standard sample water.

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Abstract

L'eau est activée par une décharge luminescente non autonome qui va contribuer à l'augmentation de la moyenne en termes de valeur temporelle de la résistance du courant de choc opérationnel jusqu'à 20 A sur chaque paire d'électrodes différentes et plus au niveau de la tension inférieure à 500 V et à régler la moyenne en termes de courant de choc opérationnel de la valeur de résistance, de la fréquence et de la durée d'impulsion relative afin d'obtenir une eau active aux propriétés spécifiques. Cette technique permet d'améliorer l'efficacité de l'activation de l'eau et de réduire, dans le même temps, la consommation de puissance par unité de volume d'un fluide traité.
PCT/US2002/002123 2001-01-25 2002-01-25 Procede d'activation d'eau potable et chimiquement pure WO2002059046A2 (fr)

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AU2002243660A AU2002243660A1 (en) 2001-01-25 2002-01-25 Method of activation of chemically pure and potable water

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US26414201P 2001-01-25 2001-01-25
US60/264,142 2001-01-25

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WO2005097213A1 (fr) * 2004-04-08 2005-10-20 Kist-Europe Forschungsgesellschaft Mbh Dispositif et procede d'epuration de liquides
WO2007048806A1 (fr) * 2005-10-25 2007-05-03 Aseptix Technologies B.V. Procede de preparation de solutions aqueuses biocides activees
WO2007048808A1 (fr) * 2005-10-25 2007-05-03 Aseptix Technologies B.V. Solutions de peroxyde activees et procede de preparation
WO2008127135A1 (fr) 2007-04-11 2008-10-23 Olexandr Borisovich Zayika Procédé de traitement de l'eau et de solutions aqueuses par plasma de décharge gazeuse et dispositif de mise en oeuvre de ce procédé
WO2014055812A1 (fr) 2012-10-05 2014-04-10 Ep Technologies, Llc Solutions et méthodes de fabrication de solutions pour tuer ou désactiver des spores, des micro-organismes, des bactéries et des champignons
WO2014145570A1 (fr) * 2013-03-15 2014-09-18 EP Technologies LLC Procédés et solutions pour tuer ou désactiver rapidement des spores
WO2014152256A1 (fr) 2013-03-15 2014-09-25 Ep Technologies, Llc Procédés et solutions pour tuer ou inactiver des bactéries
WO2017019722A1 (fr) 2015-07-28 2017-02-02 EP Technologies LLC Dispositif de récurage pour le nettoyage, l'assainissement ou la désinfection
WO2017083323A1 (fr) 2015-11-09 2017-05-18 EP Technologies LLC Procédé et systèmes permettant de créer des volumes importants de liquide activé par plasma hautement concentré au moyen d'un plasma froid
US10692704B2 (en) 2016-11-10 2020-06-23 Gojo Industries Inc. Methods and systems for generating plasma activated liquid
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US10897894B2 (en) 2015-08-31 2021-01-26 Gojo Industries, Inc. Methods of and system for generating antimicrobial wipes
US11825841B2 (en) 2015-08-31 2023-11-28 Gojo Industries, Inc. Methods of and system for generating antimicrobial wipes
WO2017083323A1 (fr) 2015-11-09 2017-05-18 EP Technologies LLC Procédé et systèmes permettant de créer des volumes importants de liquide activé par plasma hautement concentré au moyen d'un plasma froid
US10692704B2 (en) 2016-11-10 2020-06-23 Gojo Industries Inc. Methods and systems for generating plasma activated liquid
US11735399B2 (en) 2016-11-10 2023-08-22 Gojo Industries, Inc. Methods and systems for generating plasma activated liquid

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