WO2009083489A1 - Procédé d'enrichissement d'une eau en oxygène par voie électrolytique, eau ou boisson enrichie en oxygène et leurs utilisations - Google Patents
Procédé d'enrichissement d'une eau en oxygène par voie électrolytique, eau ou boisson enrichie en oxygène et leurs utilisations Download PDFInfo
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- WO2009083489A1 WO2009083489A1 PCT/EP2008/067982 EP2008067982W WO2009083489A1 WO 2009083489 A1 WO2009083489 A1 WO 2009083489A1 EP 2008067982 W EP2008067982 W EP 2008067982W WO 2009083489 A1 WO2009083489 A1 WO 2009083489A1
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- Prior art keywords
- water
- oxygen
- electrolysis
- enriched
- membrane
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- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L2/00—Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
- A23L2/52—Adding ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/40—Peroxides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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- 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
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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
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
- C02F2001/46185—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water only anodic or acidic water, e.g. for oxidizing or sterilizing
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/026—Treating water for medical or cosmetic purposes
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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
- 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
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
Definitions
- the invention relates to oxygen enriched waters or drinks (O 2 ), their method of manufacture and their uses.
- the invention provides water enriched with oxygen.
- Oxygen is essential for the functioning of tissues and organs, which need a greater oxygen supply during physical exertion.
- oxygen is bio-available and its absorption by the body has been proven by the inventors.
- This oxygen-enriched water makes it possible in particular to increase the supply of oxygen to the tissues, to improve the physical performances, to help the physical performances, to prolong the physical effort, to increase the tolerance to the effort, to improve the recovery rate and finally prevent dehydration.
- the water is then subjected to electrolysis in order to obtain an alkaline water with a negative oxidation-reduction potential.
- electrolysis cell used, the anode and cathode compartments are separated.
- This electrolysis step thus produces two flows (a basic flow and an acid flow) of which only the basic flow is recovered (the acid-anodic flow being a by-product potentially usable for cleaning applications).
- oxygen is injected.
- Oxygen injected is produced by an air compressor that feeds an oxygen generator.
- the oxygen is then purified (carbons) and activated by magnetization (magnets) before injection. This system is supplemented by another injection of medical grade oxygen.
- the process described preferably comprises a passage of water in a cone system ("cone system”) to complete the water / oxygen mixture and then in a coil (“coil system”) which also ensures an intimate mixture of water and oxygen (possibly one also adds ozone).
- Cone system cone system
- coil system coil system
- ozone can generate secondary products.
- this process induces significant water losses, the content of the anode compartment being a by-product that is not valued in the same technical field.
- the method described thus leads to a water enriched in oxygen, the oxygen present in the water coming from the injection stage, having a negative oxidation-reduction potential (of the order of -170 mV, the reference electrode not indicated)
- the electrodes described, anode and cathode are both solid titanium coated with a platinum coating. Such electrodes have a cost price too important to consider industrialization.
- the process has a low overall efficiency: in addition to the significant losses of O 2 (partially lost at the same time as the H 2 ), the process provides recirculations for 3 to 4 hours before generating the finished product.
- the person skilled in the art is therefore always looking for an economically viable and easily industrializable process which makes it possible to obtain an oxygen enriched water.
- the inventors have sought to develop an electrolysis process that effectively makes it possible to enrich a water with oxygen (O 2 ) while avoiding the formation of by-products, in particular halogenated by-products.
- the invention firstly relates to a process for enriching a water with oxygen electrolytic comprising the following successive steps: a) electrolysis of a mineralized water but free of Cl - and Br " ions, in a cell of electrolysis in which the anode and the cathode are separated by a membrane permeable to electrical charges but impermeable to gases; b) recovering the oxygen-enriched water from the anode compartment of the electrolysis cell. c) reinjection of the water from the cathode compartment of the electrolysis cell, free of hydrogen, into the oxygen enriched water obtained in step (b) d) conditioning of the water obtained in step (vs).
- oxygen oxygen directly assimilated by cells, designated by the chemical formula O 2 .
- the oxygen enrichment is the addition of oxygen O 2 in the water such that the amount of dissolved oxygen is greater than 10 mg / l, advantageously greater than 50 mg / l, and even more advantageously greater than 100 mg / L.
- Packaging means any system for storing and / or distributing water which furthermore makes it possible to retain the properties of said water.
- the packaging is adapted for human consumption to the water contained therein.
- ion-free water Cl Br and "" means that the water contains less than 0.2 mg / 1 of chloride ions and less than 3 g / 1 of bromide ions.
- the cathode is the seat electrode of the reduction while the anode is the seat electrode of the oxidation.
- the method according to the invention is characterized in that in the electrolysis cell, the two electrodes, the cathode and the anode, are separated by a membrane, permeable to electrical charges (in particular to cations) but not to gases.
- a membrane permeable to electrical charges (in particular to cations) but not to gases.
- the membrane used in the process according to the invention makes it possible to confine oxygen O 2 on the anode side and hydrogen H 2 on the cathode side. At the same time, it allows the transport of ions from one compartment to another, in particular the transport of H + protons.
- the membrane used is advantageously a cationic membrane, which allows the preferential passage of the cations. It can pass all cations or be selective monovalent cations (only these monovalent cations can cross this membrane).
- the membrane used will be approved for food use. Any membrane (organic) to fulfill this function can be used. For example, it is possible to cite the Nafion ® trade name membrane manufactured by DuPont.
- This cationic membrane is a sulfonated tetrafluoroethylene copolymer, which has a very good proton transport capacity (H + ) while having a good mechanical and thermal resistance. It also has a very good resistance to oxidation and certain chemicals (chlorine, soda). Also included are Neosepta ® brand name membranes manufactured by Tokuyama, in particular Neosepta ® CMX family name membranes such as CMX-Sb and CMX-S. These membranes of commercial name Neosepta ® CMX range are cationic membranes, symmetrical, undirected, based on co-polymer styrene - divinylbenzene.
- Neosepta ® CMX-Sb membrane is a dense, standard, non-selective, cationic, food-grade membrane, much less expensive than the Nafion membrane.
- the commercial name Neosepta ® CMX-S membrane is a selective monovalent cation membrane, approved in Europe, with food approval in the United States underway.
- the solubility of gases in water can be determined according to Henry's law. According to this law, at constant temperature and saturation, the quantity of gas dissolved in a liquid is proportional to the pressure exerted by this gas on the liquid. For example, in one liter of water, 49.1 ml of O 2 can be dissolved at 0 ° C. whereas only 20.9 ml of O 2 can be dissolved at 50 ° C., for a partial pressure of oxygen. of 1 bar.
- the water undergoing the electrolysis step is at a temperature to ensure the maintenance of oxygen O 2 formed in the water.
- the ion-free water Cl "or Br" is cooled to between 1 and 10 0 C before being directed under pressure (preferably 6.10 5 Pa) in the electrolysis cell.
- the temperature of the water is advantageously maintained between 1 and 10 ° C.
- the inflow of water is divided into two branches of identical flow rate. who each go through one of the 2 anode or cathode compartments. These 2 compartments are separated by an organic membrane permeable to electrical charges but impervious to gases, as described above.
- Electrolysis generates an oxygen enrichment of the anodic flow and a hydrogen production in the cathodic flow.
- the hydrogen formed is removed as and when produced by a hollow fiber membrane module operating under partial vacuum with advantageously a nitrogen sweep.
- This hollow fiber membrane module employs gas permeable but impermeable membranes. The use of this module allows the elimination of dissolved hydrogen.
- the two branches join to form a mixture at neutral pH, enriched in O 2 and free of H 2 (self-neutralization).
- Self-neutralization is the addition of water from the cathode compartment, whose dissolved hydrogen has been removed, to that from the anode compartment, advantageously at a ratio of 1: 1.
- the total flow of water entering and leaving the electrolysis cell advantageously varies from 10 1 / h to 50 1 / h.
- the recirculation flow rate may be 120 l / h.
- the two electrodes anode and cathode
- the anode will be a solid titanium electrode covered by a platinum coating.
- the cathode may simply be a stainless steel cathode, which contributes to significantly reduce the overall cost of the process (the savings generated is about 20% of the total cost of the installation).
- a stainless steel electrode has the advantage of being food (unlike other electrodes).
- the water pressures at the inlet of the anode and the cathode are controlled; they must be balanced to prevent deformation of the gas impermeable membrane in the cell.
- the electrodes are subjected to an electric current, generated by a direct current supply of imposed intensity (10 to 35 A).
- the resulting tension is a function of the conductivity of the water (temperature, nature and quantity of mineral salts: mobility, charges), the distance between the two electrodes and the type of membrane used. In the tests considered, the voltage varies between 8 and 45V.
- this water free of ions Cl “ and Br " must contain dissolved salts (it is these dissolved salts which carry electrical charges and thus allow electrolysis).
- the free water Cl “or Br” is preferably a water which has undergone a step of desalting to remove these ions Cl “or Br", then a step of remineralization (addition of pure salt).
- the elements particularly targeted in this demineralization stage are the chlorides and bromides from which chlorine and bromine oxidants are generated during oxidation at the anode.
- Basic water may be spring water, groundwater or surface water including public water supply.
- the water Prior to the demineralization step, the water may be subjected to one or more softening treatments by passage over an ion exchange resin to remove the hardness of the water (calcium and magnesium) and dechlorination (if necessary) by passing on an activated carbon cartridge.
- an ion exchange resin to remove the hardness of the water (calcium and magnesium) and dechlorination (if necessary) by passing on an activated carbon cartridge.
- the remineralized permeate recovered after (al) reverse osmosis of water and (a2) remineralization will be used in step (a).
- the method according to the invention advantageously comprises a prior step (s) of treatment of water by reverse osmosis so as to recover a permeate free of Cl "or Br"; then a preliminary step (a2), subsequent to step (a1), remineralization of the permeate obtained following step (a1), step a) being then performed on this remineralized permeate.
- Reverse osmosis is a process of liquid phase separation by permeation through semi-selective membranes under the effect of a pressure gradient. The flow is carried out continuously tangentially to the membrane. Part of the water to be treated is divided at the level of the membrane into two parts of different concentrations:
- the reverse osmosis module will be dimensioned according to the rules of art according to the characteristics of the raw water. Reverse osmosis may be preceded by a pre-treatment (fltrations, sterilization, decontamination) to optimize driving.
- the permeate obtained will advantageously have a conductivity of less than 10 ⁇ S / cm. This demineralized water is therefore extremely pure.
- the maximum levels of chlorides and bromides will be 0.2 mg / 1 and 3 ⁇ g / l, respectively.
- This demineralization phase can also be carried out according to a technique older than reverse osmosis. Among these techniques, it will be noted the distillation or the passage of water on ion exchange resins. Electrodialysis is also an acceptable technique for performing this demineralization.
- the remineralization stage (permeate) makes it possible to conduct the electrolysis reaction. It involves adding mineral salts, food grade, free of chloride and bromide.
- the target conductivity varies from 200 to 1000 ⁇ S / cm depending on the mineralization targeted for the finished product.
- salts which may be used, mention may especially be made of the following salts: NaHCO 3, Na 2 SO 4 , Na 3 PO 4 , Na 2 HPO 4 , NaH 2 PO 4 , KHCO 3 , K 3 PO 4 , K 2 HPO 4 , KH 2 PO 4 , K 2 SO 4 , MgSO 4 , CaSO 4 , Ca (H 2 PO 4 ) 2 , CaHPO 4 , Ca 5 (PO 4 ) 3 OH.
- the food salts Na 2 SO 4 and Na 3 PO 4 12 H 2 O are added.
- the pH of the water may be modified by the use of compounds well known to those skilled in the art, especially by adding strong acid or carbon dioxide.
- the ionic composition can therefore be modified anodic and cathodic side;
- the process according to the invention advantageously comprises an additional step (c) of reinjection of the water coming from the cathode compartment of the electrolysis cell, which is free of hydrogen, into the oxygen-enriched water obtained as a result of the step (b).
- the additional step (c) makes it possible, following the electrolysis step, to self-neutralize.
- the hydrogen formed is removed as and when it is produced, for example by a hollow fiber membrane module maintained under partial vacuum with advantageously a nitrogen sweep.
- the two branches join to form a mixture at neutral pH, enriched in O 2 and free of H 2 .
- This self-neutralization makes it possible to cancel the losses in water and the ionic losses due to migrations of ions on either side of the membrane, the mineral composition of the water obtained is therefore perfectly controlled.
- This additional step (c) also makes it possible to balance the pressure on either side of the membrane separating the 2 anode and cathode compartments. This self-balancing of the pressures increases the service life of the membrane by eliminating the deformations related to the imbalance of pressures on both sides. In the case of a beverage, acid by nature (pH ⁇ 3), acidity at the anode is not a problem. Nevertheless, the self-neutralization offers a great simplicity of process since all the flow of water entering the module will be valued.
- the method according to the invention may further comprise an additional step (a3), of degassing the water, prior to the step (a) of electrolysis and where appropriate subsequent to step (a2).
- step (a3) of degassing the water, prior to the step (a) of electrolysis and where appropriate subsequent to step (a2).
- the oxygen dissolved in the process water will be exclusively oxygen obtained by electrolysis.
- the method may comprise a final step of optionally completing the formulation of the oxygen-enriched water by adding the ingredients that can not undergo the electrolysis reaction under penalty of irreversible damage.
- It may be inorganic salts, including the chloride forms or organic compounds, possibly in the form of salts, as well as the traditional ingredients of a beverage: sugars, sweeteners, flavors, acids, preservatives, vitamins, plant extracts, juice, proteins, fibers.
- the process advantageously comprises a subsequent step (e) of final formulation, including adding to the oxygen-enriched water by electrolysis of minerals and other traditional ingredients of a beverage.
- This water can also be supplemented with vitamins, mineral or organic salts, proteins, plant extracts, and any other natural or synthetic compound compatible with O 2 . We get a drink.
- step (d) the reverse osmosis retentate obtained in step (a1) can be reinjected into the oxygen-enriched water obtained in step (b) or (c).
- This step finally makes it possible to preserve the mineral profile of the initial water. This assumes that the osmosis unit is designed to allow this recovery of the retentate and that no chemical has been injected into the water (sequestering type) to facilitate filtration by reverse osmosis.
- the water or the drink thus obtained is then advantageously packaged. Before its packaging, the water or the drink may be subjected to a sterilization step (by ultraviolet-UV- for example).
- a sterilization step by ultraviolet-UV- for example.
- the water or oxygen enriched beverage formulated will advantageously be stored under pressure and kept cold (5 to 10 0 C) to minimize losses of oxygen during the withdrawal of the drink.
- the presence of oxygen gives the finished product the same characteristics as a gaseous product.
- Its racking (bottling) advantageously involves the same constraints: isobarometric filler and specific packaging: PET polyethylene terephthalate bottle with gas barrier properties (eg multilayer PET or PET with specific coating), glass or aluminum can packaging
- FIGS 1 and 2 show preferred variants of the method according to the invention.
- the water to be treated A (tap water, surface water, spring water, mineral water) is subjected to reverse osmosis demineralization treatment (1). Beforehand, it can undergo a pretreatment (0), such as filtration and / or sterilization and / or decontamination.
- a pretreatment (0) such as filtration and / or sterilization and / or decontamination.
- the permeate Al, water free of chloride and bromide ions is recovered and remineralized (2) by adding salts (NaHCO 3 , Na 2 SO 4 , Na 3 PO 4 , Na 2 HPO 4 , NaH 2 PO 4 , KHCO 3 , K 3 PO 4 , K 2 HPO 4 , KH 2 PO 4 , K 2 SO 4 , MgSO 4 , CaSO 4 , Ca (H 2 PO 4 ) 2 , CaHPO 4 , Ca PO 4 ) 3 OH).
- the remineralized water A2, still free of chloride and bromide ions is transferred to the electrolysis cell (3).
- the water A2 or A'2 Beforehand, it may be subjected to a gas elimination step (in particular oxygen).
- a gas elimination step in particular oxygen
- the water A2 or A'2 Before entering the electrolysis cell, the water A2 or A'2 is separated into two branches, one branch is oriented towards the anode compartment (connected to the + pole of the generator) (3b) while the other branch is oriented towards the cathode compartment (connected to the pole - of the generator) (3a).
- the dissolved hydrogen contained in the branch C coming from the cathode compartment is eliminated.
- the anode (A3) and cathodic dehydrogen (C) branches are combined (self-neutralization, gives A4).
- the water enriched with oxygen A4 then undergoes a water formulation step (4), that is to say adding all the ingredients necessary for the manufacture of a water or a drink and in particular ingredients that can not undergo the electrolysis step.
- a water formulation step (4) that is to say adding all the ingredients necessary for the manufacture of a water or a drink and in particular ingredients that can not undergo the electrolysis step.
- the retentate B resulting from the step reverse osmosis is reintroduced into the water A4 during this formulation step 4.
- the water or the drink A5 is then packaged (5) in particular by racking.
- the process according to the invention makes it possible to obtain a water that is particularly enriched in oxygen (oxygen O 2 dissolved in water being the direct result of the electrolysis process).
- the process according to the invention can therefore advantageously be characterized in that the water obtained in step (b), (c) and / or (d) contains at least 100 mg / l of dissolved oxygen, at a temperature between 5 and 10 0 C and at a pressure of 6.10 5 Pa.
- the water obtained contains 150 mg / 1 of dissolved O 2 , at a temperature of between 5 and 10 0 C and at a pressure of 6.10 5 Pa.
- the method makes it possible to obtain, in line, and no longer in batch, without loss of water, a water enriched with oxygen.
- the water or oxygen-enriched beverage formulated will advantageously be stored under pressure and kept cold (5 to 10 0 C) to minimize oxygen loss during the withdrawal of the beverage.
- the inventors have found that, over a period of 3 hours after opening the bottle (or packaging) enriched with oxygen, the dissolved O 2 content in the water or the drink remains greater than or equal to 90% of the initial content before opening. This excellent stability is observed both for a water or oxygen-enriched beverage by O 2 injection or by the method according to the invention (electrolysis). This shows a similar behavior of oxygen between the two enrichment processes (injection or electrolysis).
- the water or beverage according to the invention advantageously contains, before opening or when the bottle or the packaging is opened, at least 100 mg / l of dissolved oxygen.
- the water according to the invention contains in commercial packaging at least 100 mg / 1 of dissolved O 2, or even at least 110 mg / 1 of dissolved O 2, at an internal pressure ranging from l, 5.10 to 5 2.5 ⁇ 10 Pa (1.8 ⁇ 10 5 Pa) and at room temperature.
- the oxy-reducting potential is not modified in the context of the process according to the invention of electrolysis insofar as the two anode and cathode compartments are re-mixed after removal of the hydrogen at the outlet of the cell. 'electrolysis. This means that the oxy-reduction potential is not very different between an O 2 injection process or the electrolysis process developed by the inventors.
- the subject of the invention is also an oxygen-enriched water or beverage obtainable by the process according to the invention, for which dissolved oxygen is available and usable by cell mitochondria.
- the dissolved oxygen obtainable by the process according to the invention, makes it possible to increase the mitochondrial respiration rates even when the oxygen content has reached the equilibrium concentration (atmospheric p ⁇ 2 is 10 mg / l).
- the water or the oxygen-enriched drink obtained by the process according to the invention is perfectly available for the mitochondria.
- the inventors have found that when the oxygen of the solution becomes the limiting factor for the functioning of the mitochondria, the respiration rates mitochondrial, measured when only the final acceptor of oxygen works (complex IV), are superior with the water according to the invention, ie water enriched with oxygen by electrolysis, with respect to water control (normal water or water enriched with oxygen by injection).
- This result suggests that dissolved oxygen in this form is more available for the mitochondria, which allows it to maintain a higher oxygen consumption rate and consequently higher energy production when the oxygen concentration is limiting.
- the water or the oxygen-enriched beverage obtainable by the process according to the invention is also characterized in that it makes it possible to increase the energy production in the form of ATP by the mitochondria under the conditions of intense exercise or when the supply of O 2 becomes limiting as is the case in patients with arteritis pathologies.
- the water or the oxygen-enriched beverage obtainable by the process according to the invention is also characterized in that it makes it possible to increase the supply of O 2 to tissues and organs. It also improves the moisturizing power of water by increasing its absorption and its passage in the intravascular compartment.
- the subject of the invention is also an oxygen-enriched water or beverage that can be obtained by the process characterized by increasing the absorption and / or retention of water by the body. and facilitates / enhances hydration and / or prevents dehydration.
- the arteriovenous difference in O 2 corresponds to the difference between the concentrations of arterial and venous blood in O 2 , it represents the amount of O 2 consumed by the tissues, it is directly a function of the intensity of the oxidative metabolism. If a muscle consumes a large amount of O 2 , the arteriovenous difference increases in this muscle. Furthermore, in this study, the inventors have also shown that oxygen enriched water, by the method according to the invention, induces an increase in the tissue oxygen partial pressure measured at the level of the skin. The water enriched with oxygen, by the process according to the invention, therefore induces an increase in the supply of O 2 to the skin.
- O 2 volume of O 2 consumed in L.min kg -1
- O 2 debt a mechanism called the "O 2 debt”.
- This water or beverage according to the invention enriched with oxygen therefore makes it possible to help and / or to improve the physical performances in humans (or animals).
- the subject of the invention is also an energy drink containing an oxygen-enriched water or beverage according to the invention.
- This drink may include, in addition to the water according to the invention, all the elements conventionally introduced into a beverage such as sugar, sweeteners, flavors, acids, preservatives.
- This drink may also be supplemented with vitamins, mineral salts, organic salts, juices, proteins, plant extracts, fibers and any other natural or synthetic compound compatible with O 2 .
- This drink or the water according to the invention can in particular be used as an energy supply, a boosting agent and / or a recovery and shaping aid, to improve the physical performances, to improve the tolerance to effort and / or prolong the physical effort.
- This drink or water is therefore particularly suitable for athletes, casual or regular athletes. It can be used in a indoor sport setting (in particular) or in any endurance sport to improve performance and / or prolong physical effort and / or improve tolerance to effort and / or help recovery.
- Figure 1 representative diagram of a preferred variant of the method according to the invention.
- Figure 2 Representative diagram of a more complete preferred variant of the method according to the invention.
- Figure 3 diagram of the electrolysis cell.
- Figure 4 desorption of oxygen, as a function of time, after opening a bottle containing a water enriched in oxygen by the method according to the invention of electrolysis of water.
- Figure 5 desorption of oxygen, as a function of time, after opening a bottle containing oxygen-enriched water by injection of pure oxygen.
- Figure 7 evolution of the arteriovenous difference in oxygen (DavO2) in the three reference groups, electrolysis, injection.
- Figure 8A Relative changes in plasma volume in the three groups (electrolysis, reference and injection) by examining relative changes in hemoglobin and hematocrit levels (in percent).
- FIG. 9 in vivo evolution in pigs of measurement of transcutaneous oxygen partial pressure (TC PO2) in the three reference groups, electrolysis, injection.
- TC PO2 transcutaneous oxygen partial pressure
- Example 1 Process for the Preparation of an Oxygen-enriched Water (Al) Demineralization
- the demineralization stage consists of several unit operations grouped in one unit.
- Softening station consisting of 2 softeners and 2 salt trays
- a filtration station 1 pre-filter lOO ⁇ m 3 activated carbon filters for the dechlorination and reduction of the organic matter in parallel 3 filters l ⁇ m for the final filtration
- the demineralized water thus obtained is then directed to a storage tank of 3.5 m 3 regulated in temperature through a circulation loop (a2) Remineralisation
- a2 Remineralisation
- the food salts chosen to remineralize this purified water are:
- Electrodialysis module equipped with a platinum-coated titanium anode, a 304 stainless steel cathode, and a membrane permeable to electrical charges, cations and gas-proof type CMX-Sb (Neosepta range, Tokuyama manufacturer) )
- Multi-parameter dissolved gas analyzer O 2 , O3, H 2 + specific probes (O 3 ) and (H 2 ) • UVc 254nm sterilizer (nominal flow rate: 0,75m 3 / h)
- Iso-barometric racking system consisting of a pressurizable storage tank, temperature controlled through a double jacket and an iso-barometric filler. • 0.2 ⁇ m gas filter
- the remineralized water is directed towards the pump which ensures a supply pressure of 6.10 5 Pa at the inlet of the electrolysis unit. To limit the heating due to this pump, the water is then cooled through a countercurrent plate heat exchanger of the cooler circuit, which keeps the water temperature between 4 and 8 ° C.
- a needle valve allows a fine adjustment of the supply pressure of the electrodialysis block to 6. 10 5 Pa approximately.
- the residual dissolved gases are then removed by means of 2 series membrane switches, making partial vacuum (0.045 ⁇ 10 5 Pa) with a water pump.
- a sampling point connected to an analyzer equipped with an oxygen probe makes it possible to measure the residual oxygen.
- the amount of residual dissolved oxygen is less than 1 mg / l for a maximum water flow of 50 l / h. Beyond this water flow rate, the de-aeration performance of the mini-modules does not make it possible to reach such low dissolved oxygen values.
- the water circuit then divides into 2 branches to feed the cathode and the anode of the electrolysis cell.
- the flow of water inlet / outlet varies from 10 to 50 1 / h in total of the two branches (anode + cathode).
- the water pressures at the inlet of the anode and the cathode are controlled; they must be balanced to prevent deformation of the gas impermeable membrane in the electrolysis cell.
- a hollow fiber membrane contactor removes the hydrogen produced by the electrolysis reaction. This contactor works under partial vacuum of - 0.8 ⁇ 10 5 Pa and slight nitrogen sweep. It allows a 10-fold reduction in dissolved hydrogen (from 2.5 mg / l to 0.2 mg / l). The recovered hydrogen will be evacuated and treated to avoid any risk of explosion.
- a recirculation loop that allows better hydraulics in the electrolysis cell: improved mixing of water and gas (turbulent flow), entrainment of the boundary layer of gas that can form on the surface of the anode.
- a gear pump allows this recirculation which is controlled by a flow meter.
- the recirculation rate is about 1201 / h.
- This recirculation remains optional. It is more advantageous to deliberately place in pressure and temperature conditions to prevent the formation of gas pockets. Recirculation then becomes useless.
- the water is re-mixed with remineralized water that has not yet undergone the electrolysis step at the cell inlet. Given the pressure at the inlet of the system, the recirculation loops are equipped with non-return valves. In addition to the hydraulic interest, the loop also allows a higher oxygen enrichment.
- Outflow (out of recirculation) is measured using flow meters and can be adjusted with needle valves.
- the pressure in each branch is also measured using needle manometers, to assess the pressure drop in the cell.
- the pressure in each branch is 6.10 5 Pa; the pressure drop is less than 1.10 5 Pa.
- Such an oxygen value makes it possible to ensure a dissolved oxygen content in the final container (the bottle for example) of at least 100 mg / l.
- the water is then sterilized by UV, then stored in a pressurized tank under a sufficient oxygen pressure (2.2.10 5 Pa of O 2 ) to limit or prevent any degassing / desorption.
- the filling of the storage tank is under pressure. This storage tank is maintained at a temperature of 5 ° C by the passage of ice water in the jacket.
- the cell used comprises: a system for clamping the stack of the different parts that make up the electrolysis cell
- EVA Ethyl Vinyl Acetate
- PER High Density Crosslinked PolyEthylene
- Electrodes one (1) anode, powered by the positive pole, one (1) cathode fed by the negative pole of the DC generator.
- Each electrode has a unit area of about 6 dm 2 .
- the cathode is 304 stainless steel, which reduces the cost of the process versus a solid titanium cathode with a platinum coating. The savings generated is about 20% of the total cost of the installation. This choice also allows the mixing of flux as described above because the stainless steel electrode is food unlike other electrodes.
- the anode is also a food electrode.
- a titanium anode coated with a thin layer of platinum is used.
- Titanium has excellent conductive properties and platinum is a protective layer against the oxidation phenomenon. Due to its nature, the anode requires certain precautions of use. Since the current density is one of the limiting factors, it is possible to work at densities of 30 mA / cm 2 but it is not recommended to exceed 100 mA / cm 2 otherwise the degradation of the electrodes may be accelerated.
- the membrane used is characterized by its gas tightness, which allows to confine the O 2 anode side and the H 2 cathode side.
- membranes As examples of commercial membranes that can be used, there may be mentioned membranes:
- Naf ⁇ on ® manufactured by DuPont de Nemours, widely used for fuel cell technology.
- This cationic membrane is a sulfonated tetrafluoroethylene copolymer, which has a very good wet content. proton transport capacity (H + ) while having good mechanical and thermal resistance. Its resistance to oxidation and certain chemicals (chlorine, soda) is superior to Neosepta ® membranes. However, its cost is much higher than the latter.
- - Neosepta ® CMX membranes are cationic, symmetrical, undirected membranes based on styrene - divinylbenzene co - polymer. They are produced by Tokuyama.
- CMX-Sb dense membrane, standard, non selective, cation food, much cheaper than the NAFION ® membrane. It is this membrane which was retained at the end of our tests.
- CMX-S Selective membrane of monovalent cations. Food approval in Europe, FDA approval in progress
- the cleaning conditions are limited by the strength of the anode and the membrane.
- the applicable preparations are: - 0.1 N HCl or HNO 3
- Nonionic surfactants Ultrasil ® 130 type of Ecolab Oxonia ® active, mixture of oxygenated water and peracetic acid: 1% at 30/40 0 C Measurements of oxy-red potential:
- Demineralized water and remineralized water + 180 mV (Ag / AgCl electrode) or +390 mV with hydrogen reference electrode
- each series of samples is produced in the same batch, perfectly homogeneous, with identical packaging characteristics: bottle format and geometry, material, cap, volume of the headspace (ie the volume of gas located at above the water in a closed bottle).
- Product definition The samples are exclusively composed of drinking water, whose mineral composition has been adjusted, and oxygen.
- composition The basic water used to make the samples is drinking water. This drinking water was subjected to the electrolysis process according to the invention (see Example 1) or was enriched with oxygen by injection of pure O 2 .
- Table 2 c. containing: The packaging used is the same as that of an industrial line (750 ml glass bottle and associated crown cap). These conditions guarantee a zero permeability of the packaging throughout the life of the product, ie 9 months.
- the glass bottles are cleaned and rinsed with MiIIiQ water before being dried. These bottles are plugged with crown caps 26 mm. The crowns are previously sterilized by Gamma radiation. The bottling of the products and the final capping are carried out under a controlled atmosphere. d. kinetics of desorption - principle
- the samples are stored for at least 48 hours at the temperature at which the test is conducted, this time corresponding to the temperature stabilization and the balancing of the gas between the liquid phase and the headspace.
- the temperature of the test was deliberately set at 20 ° C. to get closer to the actual conditions of consumption.
- the first three bottles are analyzed in order to know the dissolved gas content at equilibrium before opening.
- the bottles are then all opened simultaneously, in a stable and controlled environment. They then remain open throughout the experiment.
- t 0, then at regular intervals for 23 days, 2 bottles of each series studied are collected and analyzed. Due to the method of measurement of dissolved O 2 , it is necessary to reseal each bottle with a new cap before proceeding to its analysis.
- the bottle is pierced and pressurized with nitrogen (4 bar) to push the liquid to the measuring chamber at a flow rate of 60 ml / min.
- the carrier gas is nitrogen because it is very sparingly soluble in water and does not disturb the analysis.
- the oxygen sensor is composed of two electrodes, a platinum cathode and a silver anode, all in an alkaline electrolyte (KCl) separated from the measuring medium by a gas permeable membrane.
- KCl alkaline electrolyte
- the content of O 2 dissolved in the beverage remains greater than or equal to 90% of the initial content before opening. This excellent stability may seem surprising in light of the physical laws that govern the gas transfer between a liquid and the atmosphere that dominates it.
- Example 3 In vitro study of the availability and use of hydrogen peroxide in and by mitochondria.
- Solution RA Control water (O 2 concentration: 10 mg / 1)
- Solution RD Water enriched in O 2 by electrolysis, but at a concentration similar to that found in the control water (atmospheric p ⁇ 2 ), ie 10 mg / L.
- Protocol 1 Effect of the solution enriched in oxygen on the Vmax of the muscle fibers (10 mg of fibers)
- the fibers are introduced into the thermostatic breathing chamber (22 ° C), and their oxygen consumption is measured either in the RA solution or in the RD solution. After 6 minutes of recording, an addition of ADP (2mM) is performed and allows us to reach the maximal respiration rate of the fibers (Vmax). ACR (acceptor control ratio) is calculated by comparing Vmax with Vo. It is a good indicator of the functional state of mitochondria and defines the acceptor respiration stimulation (ADP) and allows to evaluate the coupling between oxidation and phosphorylations in the oxygen enriched solution. Then we let 1 hour the fibers consume the oxygen in the solution R, then we recover the fibers to dry them and then weigh them.
- ADP acceptor control ratio
- Complex IV is the ultimate acceptor of oxygen in the respiratory chain of the mitochondria.
- the beginning of this protocol is the same as in protocol 1, the change is after the measurement of Vmax, or after injecting ADP, we add an inhibitor of complex I, which will inhibit mitochondrial respiration, then we add succinate to measure the mitochondrial respiration through the IL complex
- the next step is the injection into the chamber of an electron donor directly to the IV complex (substrates TMPD-ascorbate) to stimulate respiration mitochondrial from cytochrome oxidase (complex IV, final acceptor of oxygen).
- FIGS. 6A and 6B show the mitochondrial respiration rates as a function of the decrease in oxygen concentration in the breathing chamber.
- V max is maximal mitochondrial respiration stimulated by addition of ADP for the highest concentration of O 2 .
- FIG. 6A shows no significant difference between the two solutions. This shows that when we run the entire respiratory chain, mitochondrial respiration kinetics are not significantly different between the two solutions.
- FIG. 6B shows that when we isolate the complex IV (final acceptor of oxygen) of the respiratory chain, and when the oxygen concentration becomes limiting (from 140 ⁇ M of oxygen), the speed mitochondrial respiration becomes superior with the RD solution in comparison with the RA solution, this difference becoming significant from an oxygen concentration equal to 100 ⁇ M O 2 in the breathing chamber (the RD solution allows an increase of +27 % to 100 ⁇ M of O 2 and up to + 65% to 40 ⁇ M of O 2 compared to the RA solution).
- the water enriched with oxygen obtained by the process according to the invention is perfectly available for mitochondria.
- the oxygen in the solution becomes the limiting factor for mitochondrial function
- the mitochondrial respiration rates measured when only the final acceptor of oxygen is working (complex IV)
- the control water ie water enriched with oxygen by electrolysis, relative to the control water.
- dissolved oxygen in this form is more available for mitochondria, which allows it to maintain a higher rate of oxygen uptake and thus higher ATP energy output when the concentration of oxygen is higher.
- middle oxygen is limiting.
- the Elect group consumed water subjected to the electrolysis process according to the invention (see Example 1).
- the final composition of the three waters is given in Table 3 below:
- a volume of water of 10 ml-kg -1 was administered After the end of intragastric administration, the samples were taken at: 2 1 A, 5, 10, 15, 20, 25, . 30, 35, 40, 50, 60, 75, 90, 105 and 120th minutes of variance analysis to two dimensions, on repeated measurements and testing a posteriori Tukey were performed on the measurements carried out at 5 th, 10 th, 15 th, 30 th, 60 th and 90 th minutes after intragastric administration. Evolution of arteriovenous differences -veinates
- volume changes in the plasma compartment were determined from relative changes in hemoglobin and hematocrit levels as well as by measurement of osmolarities.
- the fluctuations are expressed with respect to the zero time of the administration (FIGS. 8A and 8B), there is a significant difference between the electrolysis process and the two other experimental situations after 15 and 30 minutes at the relative variations of the osmolarity (Table 5).
- Electrolysis Reference (n 3) Injection min -5.5 ⁇ 4.9 -0.2 ⁇ 2.9 -2.2 ⁇ 5.15 min -9.5 ⁇ 14.8 -1.8 ⁇ 2.4 * -1.4 ⁇ 1.7 * 0 min -10.0 ⁇ ll, 3 -0.2 ⁇ 3.0 * -3.0 ⁇ 5.30 min -4.5 ⁇ 13.4 -3.3 ⁇ 5.0 -0.7 ⁇ 1, 220 min -7.5 ⁇ 9.2 -0.5 ⁇ 3.5 -0.3 ⁇ 4.5 * Table 5. Relative changes in plasma osmolarity (mmol -kg " ) in the 3 groups.
- FIG. 8A Relative changes in plasma volume in the three groups (electrolysis-black-, reference -white-injection -gris-). These variations are determined on the one hand by studying the relative changes in the hemoglobin and hematocrit levels (FIG. 8A, in percentage), on the other hand from the osmolarities (FIG. 8B, in mmol.kg -1 ).
- a group called "Electrolysis group” consists of 14 pigs that consumed water enriched with oxygen by an electrolysis process according to the invention (see Example 1)
- a group called “group Injection” consists of 14 pigs that have consumed oxygen-enriched water by a pure O 2 injection process
- a group called” Reference Group consists of 14 pigs that have consumed oxygen-free water .
- the skin probe for tissue PO 2 (TC PO 2 ) (Tina TCM4 Radiometer Copenhagen series monitor) was calibrated twice in ambient air. The electrode, heated to 45 ° C, was then placed in the quadriceps muscle after shaving and degreasing the skin with an alcoholic solution. A volume of water of 10 ml-kg -1 was administered The final composition of the three waters is given in Table 6 below:
- TCPO 2 measurements were performed. The values of TCPO 2 are then expressed in a variation of mm Hg with respect to the basic reference (average of the 4 values obtained during the previous 20 minutes TO).
- Water enriched with oxygen by the electrolysis process according to the invention makes it possible to increase the supply of O 2 to the skin.
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Abstract
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Priority Applications (7)
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BRPI0819503-0A BRPI0819503A2 (pt) | 2007-12-21 | 2008-12-19 | "processo de enriquecimento e uso de uma água ou bebida com oxigênio por via eletrolítica, água ou bebida enriquecida pelo menos a 100 mg/l com oxigênio e bebida energizange" |
US12/809,461 US8709231B2 (en) | 2007-12-21 | 2008-12-19 | Method for enriching water with oxygen by an electrolytic process, oxygen enriched water or beverage and uses thereof |
JP2010538746A JP5479361B2 (ja) | 2007-12-21 | 2008-12-19 | 電気分解法によって水を酸素で富化する方法、酸素富化水又は飲料、及びその使用 |
RU2010125033/05A RU2492146C2 (ru) | 2007-12-21 | 2008-12-19 | Способ обогащения воды кислородом посредством электролитического процесса, вода или напиток, обогащенные кислородом, и их применение |
EP08866100A EP2244985A1 (fr) | 2007-12-21 | 2008-12-19 | Procédé d'enrichissement d'une eau en oxygène par voie électrolytique, eau ou boisson enrichie en oxygène et leurs utilisations |
CN2008801235280A CN101910069A (zh) | 2007-12-21 | 2008-12-19 | 通过电解法使水富含氧的方法、富氧水或饮料及其用途 |
MX2010007029A MX2010007029A (es) | 2007-12-21 | 2008-12-19 | Metodo para enriquecer agua con oxígeno mediante un procedimiento electrolítico, agua o bebida enriquecida en oxígeno y usos de la misma. |
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FR0760310 | 2007-12-21 | ||
FR0760310A FR2925480B1 (fr) | 2007-12-21 | 2007-12-21 | Procede d'enrichissement d'une eau en oxygene par voie electrolytique, eau ou boisson enrichie en oxygene et utilisations |
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US (1) | US8709231B2 (fr) |
EP (1) | EP2244985A1 (fr) |
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Also Published As
Publication number | Publication date |
---|---|
CN101910069A (zh) | 2010-12-08 |
AR069865A1 (es) | 2010-02-24 |
RU2010125033A (ru) | 2012-01-27 |
RU2492146C2 (ru) | 2013-09-10 |
US8709231B2 (en) | 2014-04-29 |
US20110064824A1 (en) | 2011-03-17 |
JP5479361B2 (ja) | 2014-04-23 |
MX2010007029A (es) | 2010-09-30 |
JP2011508662A (ja) | 2011-03-17 |
BRPI0819503A2 (pt) | 2015-05-26 |
FR2925480A1 (fr) | 2009-06-26 |
FR2925480B1 (fr) | 2011-07-01 |
EP2244985A1 (fr) | 2010-11-03 |
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