US20100264329A1 - Method and apparatus for liquid disinfection using light transparent conduit - Google Patents

Method and apparatus for liquid disinfection using light transparent conduit Download PDF

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Publication number
US20100264329A1
US20100264329A1 US11/917,878 US91787807A US2010264329A1 US 20100264329 A1 US20100264329 A1 US 20100264329A1 US 91787807 A US91787807 A US 91787807A US 2010264329 A1 US2010264329 A1 US 2010264329A1
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United States
Prior art keywords
conduit
sleeve
liquid
light
transparent
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.)
Abandoned
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US11/917,878
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English (en)
Inventor
Zohar Vardiel
Uri Levy
Ytzhak Rozenberg
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Atlantium Technologies Ltd
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Individual
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Filing date
Publication date
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Priority to US11/917,878 priority Critical patent/US20100264329A1/en
Assigned to ATLANTIUM TECHNOLOGIES LTD. reassignment ATLANTIUM TECHNOLOGIES LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ROZENBERG, YTZHAK, LEVY, URI, VARDIEL, ZOHAR
Priority to US12/774,489 priority patent/US8414779B2/en
Publication of US20100264329A1 publication Critical patent/US20100264329A1/en
Priority to US13/892,328 priority patent/US9320818B2/en
Priority to US15/137,191 priority patent/US10427954B2/en
Priority to US16/132,434 priority patent/US10494273B2/en
Abandoned legal-status Critical Current

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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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C02F1/325—Irradiation devices or lamp constructions
    • 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
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • 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
    • C02F2201/007—Modular design
    • 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
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3225—Lamps immersed in an open channel, containing the liquid to be treated
    • 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
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3227—Units with two or more lamps
    • 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
    • C02F2201/32—Details relating to UV-irradiation devices
    • C02F2201/322—Lamp arrangement
    • C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors

Definitions

  • UV light source located within a metallic chamber through which the liquid flow have been long known.
  • the walls of such a metallic chamber absorb most of the incident UV light and light rays emitted from the UV light source traverse through the water once and are essentially absorbed by the metal. Accordingly, such systems do not utilize the light source in an efficient manner. There is a need for a UV disinfection system that would be more efficient than existing systems.
  • FIGS. 1A and 1B are conceptual illustrations of a disinfection system according to some demonstrative embodiments of the invention.
  • FIG. 2A is an illustration of an exemplary disinfection system according to some demonstrative embodiments of the invention.
  • FIG. 2B is a cross sectional view of the exemplary disinfection system of FIG. 2A ;
  • FIG. 3 depicts an exemplary illustration of a UV-transparent conduit according to some demonstrative embodiments of the invention
  • FIG. 4 is a side view of a conceptual illustration of an exemplary UV-transparent conduit having a reflective coating on portions of its surface according to some demonstrative embodiments of the invention
  • FIGS. 5A-5C are schematic illustrations of conduits according to some demonstrative embodiments of the invention.
  • FIGS. 6A and 6B are illustrations of disinfectors having flow-forming objects according to some demonstrative embodiments of the invention.
  • FIG. 7 is a cross section schematic illustration of a non-cylindrical sleeve according to some demonstrative embodiments of the invention.
  • FIG. 8 is a conceptual illustration of an exemplary disinfection system having a patterned sleeve according to some demonstrative embodiments of the invention.
  • FIG. 9 is a conceptual illustration of an exemplary disinfection system having a non-cylindrical light source according to some demonstrative embodiments of the invention.
  • FIG. 10 is a schematic illustration of a 2-pipe disinfection system according to some demonstrative embodiments of the invention.
  • FIGS. 11A-11C are exemplary illustrations demonstrating the modular nature of a disinfection system according to embodiments of the invention.
  • FIGS. 12A-12C are schematic illustrations of light flux distribution within an exemplary conduit based on computer simulations according to embodiments of the invention.
  • FIG. 12D is a dose distribution histogram associated with the simulation of FIGS. 12A-12C ;
  • FIGS. 13A-13B are schematic illustrations of light flux distribution within a stainless steel conduit based on computer simulations according to embodiments of the invention.
  • FIG. 13C is a dose distribution histogram associated with the simulation of FIGS. 13A-13B .
  • Some demonstrative embodiments of the invention include an ultraviolet (UV) disinfection system having a conduit to carry liquid to be disinfected and an illumination source located inside a transparent sleeve positioned substantially perpendicular to the longitudinal axis of symmetry of the conduit and the direction of flow of the liquid.
  • UV ultraviolet
  • the liquid disinfection process may include inactivation or removal of any organism, bacteria, microorganism, being, creature, microbe, germ, virus, organic contaminator, non-organic contaminator, oxidizeable toxic or contaminator; any cumulative noxious species of biological or chemical origin; any oxidizing particle, fragment or element, e.g., Hydrogen peroxide or Titanium dioxide, intended to oxidize a contaminator and/or the like.
  • Some demonstrative embodiments of the invention may refer to using ultraviolet (UV) light to disinfect the liquid and/or to oxidize particles within the liquid.
  • UV ultraviolet
  • light of any other suitable spectrum may be used.
  • a disinfection system 100 may include a tube or conduit 101 to carry liquid to be disinfected, one or more substantially light-transparent sleeves 102 positioned within conduit 101 substantially perpendicular to its longitudinal axis of symmetry 109 and one or more light sources 104 , each positioned within a respective sleeve 102 .
  • light sources 104 may be UV light sources capable of emitting light at 254 nm.
  • Conduit 101 may have an inlet 106 to receive from an external liquid pipe the liquid to be disinfected and an outlet 108 to discharge the liquid via an external discharge pipe.
  • System 100 may further include adaptors 110 to connect conduit 101 to the external liquid pipes.
  • the adaptors may comprise O-rings to ensure water-tight connections between the external pipes and the conduit.
  • Conduit 101 may be substantially made of UV-transparent glass, such as quartz.
  • UV-transparent sleeves 102 may be for example quartz or Teflon® sleeves.
  • Each Sleeve 102 may have external dimensions smaller than the internal dimensions of conduit 101 such that liquid may flow within conduit 101 around sleeves 102 .
  • Both ends of sleeve 102 may extend from the walls of conduit 101 to enable replacement of light source 104 within sleeve 102 .
  • Light sources 104 may illuminate the liquid to be disinfected when flowing in the conduit.
  • the liquid within conduit 101 may act as a waveguide and at least part of the light, for example, at least half of the emitted UV intensity, may be totally-internally reflected at the interface of the UV-transparent conduit 101 and the air surrounding it.
  • Conduit 101 may be located inside a protective metal sleeve with an air gap between the conduit and the sleeve, as shown for example, in FIG. 2B .
  • the total internal reflection (TIR) effect is demonstrated in
  • light source 104 may generate UV light of a suitable UV-germicidal spectrum.
  • light source 104 may include one or more UV lamps, e.g., a low-pressure UV lamp, a low-pressure high output UV lamp, a medium-pressure UV lamp, a high-pressure UV lamp, and/or a microwave-excited UV lamp, as are all known in the art.
  • the liquid may act as a waveguide and at least part of the light, for example, at least half of the emitted UV intensity, may be totally-internally reflected at the interface of the glass conduit and air surrounding it. According to other embodiments of the invention, at least 70% of the emitted UV intensity may be totally-internally reflected at the interface of the glass conduit and air surrounding it.
  • the liquid to be disinfected may flow around each of light sources 104 .
  • the system may include an additional light source to enable disinfection of the liquid to the required level even when one of the light sources 104 is fully or partially dysfunctional. For example, the disinfection process may continue while a non-functional light source is being replaced or fixed.
  • embodiments of the present invention in which light sources 104 are located substantially perpendicular to the direction of flow of the liquid within conduit 101 may ensure that each light source is capable of illuminating substantially the entire flow of liquid when the flow traverses that particular light source.
  • An exemplary disinfection system 200 may include a substantially UV-transparent conduit 201 to carry liquid to be disinfected, substantially UV-transparent sleeves 202 A and 202 B positioned within conduit 201 substantially perpendicular to its axis of symmetry 209 and one or more UV-light sources 204 , each positioned within a respective sleeve 202 .
  • sleeves 202 A and 202 B are orthogonal to each other.
  • UV-transparent sleeves 202 may be positioned with respect to each other, at any rotational angle around the longitudinal axis of symmetry 209 of conduit 201 . According to other embodiments of the present invention, UV-transparent sleeves 202 may be positioned at any rotational angle around other axis of symmetry of conduit 201 . Although a symmetrical cylinder-shaped conduit is shown, it should be understood to a man skilled in the art that the conduit may have other shapes, not necessarily symmetrical, as described in detail with respect to FIG. 5A-5C .
  • Conduit 201 may be located inside a protective metal tube 203 forming an air gap 208 between conduit 201 and metal tube 203 .
  • external tube 103 may include a see-through window 210 made of transparent material such as glass, plastic or any other suitable material to enable an operator to view conduit 201 and a cover 212 to cover window 210 when desired.
  • a see-through window 210 made of transparent material such as glass, plastic or any other suitable material to enable an operator to view conduit 201 and a cover 212 to cover window 210 when desired.
  • a single see-through window is shown, it should be understood to a person skilled in the art that the invention is not limited in this respect and according to embodiments of the present invention tube 203 may include more than one see-through window at any size and/or shape.
  • FIG. 3 depicts an exemplary illustration of a conduit having four sleeves according to some demonstrative embodiments of the invention.
  • the exemplary conduit 301 of FIG. 3 includes four UV-transparent sleeves 302 A- 302 D positioned within conduit 301 substantially perpendicular to its longitudinal axis of symmetry 309 .
  • pairs of adjacent sleeves are orthogonal to each other.
  • sleeves 302 A and 302 B are orthogonal to each other; sleeves 302 B and 302 C are orthogonal to each other; and sleeves 302 C and 302 D.
  • pairs of alternating sleeves are parallel to each other.
  • sleeves 302 A and 302 C are parallel to each other; and likewise sleeves 302 B and 302 D are parallel to each other.
  • UV-transparent sleeves 302 may be positioned with respect to each other, at any rotational angle around the axis of symmetry 309 of conduit 301 .
  • Sleeves may be fused to conduit 301 to form a single glass structure.
  • sleeve 202 may be attached to conduit 301 using housing, adaptors, connectors or any suitable means known in the art.
  • each of areas 316 A- 316 D may be a metal housing for one of sleeves 302 A- 302 D.
  • the metal housing may be coated on its interior surface with a reflective coating to increase the efficiency of the disinfection process.
  • the reflective coating may be coated with a UV-transparent, UV resistive and bio-compatible coating, for example a Teflon® coating.
  • the sleeves are illustrated as being cylindrical, it should, be understood to a person skilled in the art that embodiments of the invention are not limited in this respect and the sleeve may have other suitable shapes, such as hydrodynamic shapes, as detailed below with respect to FIG. 7 .
  • FIG. 4 conceptually illustrates a side view of an exemplary conduit having a reflective coating on portions of its surface according to some embodiments of the invention.
  • a sleeve 402 may be positioned within conduit 401 such that sleeve 402 is substantially perpendicular to the longitudinal axis of symmetry 409 of conduit 401 .
  • UV-light source 404 may be positioned within sleeve 402 .
  • the liquid may act as a waveguide and at least part of the light, for example, rays 410 and 411 may be totally-internally reflected at the interface of conduit 401 and the air surrounding it 408 .
  • Conduit 401 may include one or more minors or UV reflective coating areas 407 to reflect non-guided rays, for example, ray 412 back into the liquid.
  • At least portions of the exterior surface of conduit 401 may be coated with UV reflective coating 407 to produce rear surface mirror effect, e.g., to allow a larger portion of the light from light source 404 to illuminate the liquid flowing in conduit 401 .
  • Coating 407 may reflect back into the liquid additional light rays reaching the surface in relative proximity to sleeve 402 .
  • Reflective coating 407 may comprise aluminum deposition, gold deposition or multi-layer dielectric material. Any other suitable reflective coating may be used.
  • the entire surface of the conduit may be coated with reflective coating to enhance the back-mirror effect.
  • conduit 401 may be from a material having UV-reflection properties, for example, aluminum or any other metal.
  • Reflecting area 414 may reflect back into the liquid non-guided light rays that cannot undergo TIR, such as ray 413 .
  • Reflecting area 414 may include a UV-reflecting coating on its inner surface or may be covered by a thin sheet made of material having UV-reflecting properties. The UV-reflecting coating or sheet may be protected against water damage by coating it with a UV-resistive, UV-transparent coating such as Teflon®.
  • FIGS. 5A , 5 B and 5 C depict schematic illustrations of conduits having varying diameters along their lengths according to some demonstrative embodiments of the invention.
  • the shape of the conduit may be pre-determined to increase the efficiency of the disinfection process.
  • the internal diameter of conduit 501 may vary along its length, as depicted in the demonstrative illustration of FIGS. 5A , 5 B and 5 C.
  • the specific shape of the conduit may affect the liquid flow pattern and the shape may be pre-determined in order to increase the overall efficiency of the disinfection system. It should be understood that conduit 501 may have any other symmetrical or non-symmetrical shape.
  • FIGS. 6A and 6B depict schematic illustrations of a portion of disinfection systems having flow-forming objects according to some embodiments of the present invention.
  • Each of disinfection systems 600 A and 600 B may include a conduit 601 to carry liquid to be disinfected, a substantially UV-transparent sleeves 602 positioned within conduit 601 substantially perpendicular to its longitudinal axis of symmetry and a UV-light sources 604 positioned within sleeve 602 .
  • Conduit 601 may include one or more objects 614 affixed to the conduit. As illustrated in FIG. 6A , objects 614 may be attached to a protrusion to be located in relative distance from the surface of the conduit. As illustrated in FIG.
  • objects 614 may be attached to the surface of the conduit or located in relative proximity to the surface. Objects 614 may be pre-designed and may be located in specific positions in conduit 601 to affect the liquid flow pattern. Additionally or alternatively, UV-transparent objects and/or UV-scattering objects and/or UV-reflective objects may be affixed, attached or added to conduit 601 .
  • the flow-forming objects may affect the liquid flux and the distribution of liquid tracks and the objects shape and location may be pre-determined in order to increase the overall efficiency of the disinfection process.
  • the light scattering objects and/or light reflective objects may influence the spatial distribution of UV light intensity and the objects shape and location may be pre-determined in order to increase the overall efficiency of the disinfection process.
  • sleeve 702 may have a hydrodynamic shape to prevent the formation of liquid stagnation zone where liquid may flow at a low velocity in proximity to sleeve 702 at the area facing the outlet of the conduit.
  • the specific shape of sleeve 702 may be designed to improve light distribution and liquid flow pattern in order to increase the overall efficiency of the disinfection system.
  • sleeve 702 having a non-cylindrical shape may be positioned within a substantially UV-transparent conduit substantially perpendicular to the direction of liquid flow.
  • the non-cylindrical sleeve may be positioned within non-transparent containers such as stainless steel conduits or reactors.
  • FIG. 8 is a conceptual illustration of an exemplary disinfection system having a patterned sleeve according to some demonstrative embodiments of the invention.
  • a sleeve 802 may be positioned within conduit 801 such that sleeve 802 is substantially perpendicular to the longitudinal axis of symmetry of conduit 801 .
  • UV-light source 804 may be positioned within sleeve 802 .
  • the liquid may act as a waveguide and at least part of the light may be totally-internally reflected at the interface of conduit 801 and its surroundings.
  • conduit 801 may include one or more mirrors or UV reflective coating areas 807 to reflect rays back into the liquid. Still, certain rays may evade both TIR and the UV reflective areas.
  • sleeve 802 may include one or more objects 805 located in specific positions and shaped in order to influence the light distribution inside conduit 801 .
  • Object 805 may be UV-scattering or UV-reflecting objects made of any suitable material.
  • ray 820 is directed toward area 821 , which is not coated with reflective coating. Accordingly, in a non-patterned sleeve such a ray would traverse the liquid for a short distance before exiting the conduit via area 821 . Instead by using sleeve 802 , ray 820 may hit object 805 , change its direction (arrow 822 ) and reach reflective area 807 to be reflected back into the liquid.
  • the patterned sleeve is described as being positioned within a substantially UV-transparent conduit substantially perpendicular to the direction of liquid flow, it should, be understood to a person skilled in the art that embodiments of the invention are not limited in this respect and embodiments of the invention are likewise applicable to using such a patterned sleeve at any position relative to the liquid flow within any container or conduit including non-transparent containers such as stainless steel conduits or reactors.
  • FIG. 9 is a conceptual illustration of an exemplary disinfection system having a non-cylindrical light source according to some demonstrative embodiments of the invention.
  • a sleeve 902 may be positioned within conduit 901 such that sleeve 902 is substantially perpendicular to the longitudinal axis of symmetry of conduit 901 .
  • UV-light source 904 may be positioned within sleeve 902 .
  • the liquid may act as a waveguide and at least part of the light may be totally-internally reflected at the interface of conduit 901 and its surroundings.
  • conduit 901 may include one or more mirrors or UV reflective coating areas 907 to reflect rays back into the liquid.
  • Light source 904 may have a non-cylindrical geometry; for example, its cross section may be an ellipse or any other desired shape to generated controlled light distribution.
  • the shape of the lamp may be directed to generate a non-circular light distribution such that more light rays would be directed to the direction of the liquid flow than to the surface of conduit 901 .
  • the specific shape of light source 904 may be designed according to the specific characteristics of the system's geometry and the disinfection process in order to increase the overall efficiency of the disinfection system.
  • non-cylindrical light source is described as being positioned within a substantially UV-transparent conduit substantially perpendicular to the direction of liquid flow, it should, be understood to a person skilled in the art that embodiments of the invention are not limited in this respect and embodiments of the invention are likewise applicable to using such a light source at any position relative to the liquid flow within any container or conduit including non-transparent containers such as stainless steel conduits or reactors.
  • a disinfection system 140 may include a conduit 141 to carry liquid to be disinfected.
  • Conduit 141 may include more than one branch, for example two branches, 143 A and 143 B to increase the liquid flow. Having more than one branch may enable better control of the internal pressure in conduit 141 .
  • Conduit 141 may have an inlet 146 to receive from an external liquid pipe the liquid to be disinfected and an outlet 148 to discharge the liquid via an external discharge pipe.
  • System 140 may include one or more substantially UV-transparent sleeves 142 A positioned within branch 143 A substantially perpendicular to its longitudinal axis of symmetry 149 A and one or more UV-light sources 144 A, each positioned within a respective sleeve 142 A.
  • System 140 may further include one or more substantially UV-transparent sleeves 142 B positioned within branch 143 B substantially perpendicular to its longitudinal axis of symmetry 149 B and one or more UV-light sources 144 B, each positioned within a respective sleeve 142 B.
  • FIGS. 11A-11C demonstrate the modular nature of an exemplary disinfection system according to embodiments of the invention.
  • the liquid flow section of the disinfection system may be constructed from two types of modular building blocks, conduit elements 151 and sleeve elements 152 .
  • Sleeve elements 152 may include a ring 153 having a UV-transparent sleeve 154 positioned within. The internal diameter or ring 153 is larger than the external diameter of sleeve 154 .
  • Element 152 may further include a UV-light source positioned within sleeve 154 . Both ends of element 152 may include adaptors, connectors or a screw mechanism to be connected to one or more of conduits 151 .
  • Conduit elements 151 may be substantially made of UV-transparent material, such as quartz as described in detail above.
  • the external diameter of conduit 151 may be substantially similar to the external diameter of ring 153 .
  • Both ends of conduits 151 may include adaptors, connectors or a screw mechanism to be connected to one or more of elements 152 .
  • the connections between conduits 151 and sleeve parameters 152 may be water-tight connections.
  • At least one sleeve element 152 and two conduit elements 151 may create a conduit set to carry liquid to be disinfected as described above.
  • a conduit set may comprise a number of n sleeve elements 152 and a number of n+1 conduit elements 151 .
  • conduit 150 may comprise one sleeve element 152 and two conduit elements 151 .
  • conduit 160 may comprise two sleeve elements 152 and three conduit elements 151 .
  • conduits 150 and 160 are shown, it should be understood to a person skilled in the art that the invention is not limited in this respect and according to embodiments of the present invention any combination of n+1 conduit elements 151 and n sleeve elements 152 may be connected to create a conduit set.
  • embodiments of the present invention are not limited in this respect, it is understood and simulated that a pre-designed structure according to embodiments of the present invention improves the efficiency of UV disinfection and increase kill probability, namely the probability to inactivate the entities being in the liquid flowing in conduit 101 .
  • illumination-flux distributions in accordance with some demonstrative embodiments of the invention. It should be noted that the illumination-flux distributions used in these examples are not intended to limit the scope of the invention to any particular configuration and/or illumination flux distribution.
  • FIGS. 12A-12C illustrate computer simulations of light flux distribution within an exemplary conduit during a liquid disinfection process.
  • the simulated system is an exemplary system according to embodiments of the invention.
  • the system includes one UV light source within a quartz sleeve positioned in the center of a quartz conduit such that the sleeve is perpendicular to the longitudinal axis of symmetry of the conduit defining the Z direction.
  • the longitudinal axis of the sleeve defined the X direction.
  • the calculations were performed for a flow of liquid of 50 m 3 /h.
  • the liquid used for the computer simulations was clear water with UVT (ultraviolet transmission) of 98%.
  • FIG. 12A is a cross section in the Y-Z plane of a portion of the conduit illustrating the light flux distribution between the light source and the outlet end of the conduit.
  • FIG. 12B is a cross section in the X-Z plane of the same portion of the conduit illustrating the light flux distribution between the light source and the outlet end of the conduit.
  • FIG. 12C is a cross section in the Y-Z plane of the entire conduit illustrating the light flux distribution between the inlet end and the outlet end of the conduit. As can be seen, the light reaches trough the entire length of the tube at a substantial intensity.
  • FIG. 12D shows a graph illustrating the calculated normalized UV dose distribution within the quartz conduit. The normalized dose distribution function is closed to being a Gaussian function.
  • FIGS. 13A and 13B illustrate computer simulations of light flux distribution within a conventional stainless steel container having 20% reflection during a liquid disinfection process. All the other parameters used in the comparative simulation were similar to the simulations of FIGS. 12A-12C . As can be seen, the intensity of light is practically zero after 50 mm is the Z direction.
  • FIG. 13C shows a graph illustrating the UV dose distribution within the conventional stainless steel conduit. As expected, the average dose within the stainless steel conduit having a value of ⁇ 48 [mJ/cm 2 ] ⁇ is much smaller than the average dose of the quartz conduit with a value of ⁇ 228 [mJ/cm 2 ] ⁇ . The dose distribution of the conventional stainless steel conduit is wider than dose distribution of the quartz conduit.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Physical Water Treatments (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
US11/917,878 2006-11-14 2007-11-14 Method and apparatus for liquid disinfection using light transparent conduit Abandoned US20100264329A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US11/917,878 US20100264329A1 (en) 2006-11-14 2007-11-14 Method and apparatus for liquid disinfection using light transparent conduit
US12/774,489 US8414779B2 (en) 2006-11-14 2010-05-05 Method and apparatus for liquid disinfection using light transparent conduit
US13/892,328 US9320818B2 (en) 2006-11-14 2013-05-13 Method and apparatus for liquid disinfection using light transparent conduit
US15/137,191 US10427954B2 (en) 2006-11-14 2016-04-25 Method and apparatus for liquid disinfection using light transparent conduit
US16/132,434 US10494273B2 (en) 2006-11-14 2018-09-16 Method and apparatus for liquid disinfection using light transparent conduit

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US85872706P 2006-11-14 2006-11-14
US11/917,878 US20100264329A1 (en) 2006-11-14 2007-11-14 Method and apparatus for liquid disinfection using light transparent conduit
PCT/IL2007/001409 WO2008059503A1 (fr) 2006-11-14 2007-11-14 Procédé et appareil destinés à désinfecter un liquide à l'aide d'une conduite transparente lumineuse

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PCT/IL2007/001409 A-371-Of-International WO2008059503A1 (fr) 2006-11-14 2007-11-14 Procédé et appareil destinés à désinfecter un liquide à l'aide d'une conduite transparente lumineuse

Related Child Applications (3)

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US12/470,277 Continuation-In-Part US20090285727A1 (en) 2006-11-14 2009-05-21 Illumination unit for liquid disinfection systems
US12/774,489 Continuation-In-Part US8414779B2 (en) 2006-11-14 2010-05-05 Method and apparatus for liquid disinfection using light transparent conduit
US13/892,328 Continuation US9320818B2 (en) 2006-11-14 2013-05-13 Method and apparatus for liquid disinfection using light transparent conduit

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US20100264329A1 true US20100264329A1 (en) 2010-10-21

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US11/917,878 Abandoned US20100264329A1 (en) 2006-11-14 2007-11-14 Method and apparatus for liquid disinfection using light transparent conduit
US13/892,328 Active US9320818B2 (en) 2006-11-14 2013-05-13 Method and apparatus for liquid disinfection using light transparent conduit
US15/137,191 Active US10427954B2 (en) 2006-11-14 2016-04-25 Method and apparatus for liquid disinfection using light transparent conduit
US16/132,434 Active US10494273B2 (en) 2006-11-14 2018-09-16 Method and apparatus for liquid disinfection using light transparent conduit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110006223A1 (en) * 2007-12-14 2011-01-13 Trojan Technologies Radiation source assembly and fluid treatment system
US20120053512A1 (en) * 2010-09-01 2012-03-01 Becton, Dickinson And Company Uv-c antimicrobial device for intravenous therapy
WO2014075800A2 (fr) 2012-11-15 2014-05-22 Schott Ag Système compact à champ de rayonnement présentant une grande homogénéité
US20140346370A1 (en) * 2013-05-23 2014-11-27 Sensor Electronic Technology, Inc. Reflective Transparent Optical Chamber
US20150314024A1 (en) * 2013-01-24 2015-11-05 Atlantium Technologies Ltd Method and apparatus for liquid disinfection by light emitted from light emitting diodes
US20160096748A1 (en) * 2013-05-21 2016-04-07 Koninklijke Philips N.V. Optical fluid treatment device
US20160185623A1 (en) * 2013-08-08 2016-06-30 Asahi Organic Chemicals Industry Co., Ltd. Ultraviolet sterilization device
US10077194B2 (en) 2015-05-14 2018-09-18 Kavo Dental Technologies, Llc Treatment system for liquids and interior surfaces of a fixture
US10137213B2 (en) 2015-05-14 2018-11-27 Kavo Dental Technologies, Llc UV disinfecting system for a dental operatory
US10550011B2 (en) * 2015-09-25 2020-02-04 Seoul Viosys Co., Ltd. Sterilization module, water purification device, and system comprising water purification device
US20210244836A1 (en) * 2020-02-11 2021-08-12 Point Engineering Co., Ltd. Uv sterilizer
US11305032B2 (en) * 2020-05-29 2022-04-19 Stanley W. Ellis Ultraviolet air irradiation system and ultraviolet air irradiation process

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2527302B1 (fr) 2006-11-14 2018-05-16 Atlantium Technologies Ltd. Appareil destiné à désinfecter un liquide à l'aide d'une conduite transparente lumineuse
DE102007018670A1 (de) 2007-04-18 2008-10-23 Wedeco Ag Inline UV-Entkeimungsgerät für flüssige Medien
DE102008051798B3 (de) * 2008-10-17 2009-10-08 Wedeco Ag UV-Reaktor für chemische Reaktionen und dessen Verwendung
US10973656B2 (en) 2009-09-18 2021-04-13 Spinal Surgical Strategies, Inc. Bone graft delivery system and method for using same
CN102276013B (zh) * 2010-06-08 2014-01-22 鸿富锦精密工业（深圳）有限公司 液体净化装置
US20120061585A1 (en) * 2010-09-15 2012-03-15 Takeshi Ide Ultraviolet water treating apparatus
DE102011111367B4 (de) * 2011-08-29 2014-11-06 Heraeus Noblelight Gmbh Anlage zur Entkeimung oder Aufbereitung einer Flüssigkeit mittels UVC-Strahlung sowie dafür geeignetes Strahlermodul
DE102012109930A1 (de) 2012-10-18 2014-04-24 Heraeus Noblelight Gmbh Strahlereinheit zur Erzeugung ultravioletter Strahlung sowie Verfahren zu deren Herstellung
RU2663244C2 (ru) 2013-03-15 2018-08-03 Атлантиум Текнолоджиз Лтд. Система и способ для инактивации вируса инфекционного панкреатического некроза (ipnv) посредством оптимизированного ультрафиолетового излучения
US11359397B2 (en) 2014-01-21 2022-06-14 Egon GRUBER Device for disinfecting water
AT515339A1 (de) * 2014-01-21 2015-08-15 Egon Gruber Vorrichtung zur Desinfektion von Wasser
CN107619086A (zh) * 2016-07-13 2018-01-23 紫岳科技有限公司 紫外消毒系统
CN109563190A (zh) 2016-08-12 2019-04-02 Sabic环球技术有限责任公司 经由乳液聚合来生产聚合物的方法
JP6710139B2 (ja) * 2016-10-11 2020-06-17 日機装株式会社 殺菌装置
US10414524B2 (en) * 2017-03-07 2019-09-17 Owens-Brockway Glass Container Inc. Peelable foil container closure having a wavy edge
JP6885279B2 (ja) * 2017-09-22 2021-06-09 東芝ライテック株式会社 流体殺菌装置
US10258715B1 (en) * 2018-02-26 2019-04-16 Rayvio Corporation Ultraviolet disinfection system
JP2019176986A (ja) * 2018-03-30 2019-10-17 旭化成株式会社 殺菌装置
WO2020163733A1 (fr) * 2019-02-08 2020-08-13 W. L. Gore & Associates, Inc. Systèmes de désinfection à lumière ultraviolette
US11007292B1 (en) 2020-05-01 2021-05-18 Uv Innovators, Llc Automatic power compensation in ultraviolet (UV) light emission device, and related methods of use, particularly suited for decontamination

Citations (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776565A (en) * 1953-02-05 1957-01-08 Honeywell Regulator Co Fluid flow measuring apparatus
US3637342A (en) * 1969-05-07 1972-01-25 Louis P Veloz Sterilization of fluids by ultraviolet radiation
US3672823A (en) * 1970-03-25 1972-06-27 Wave Energy Systems Method of sterilizing liquids
US3894236A (en) * 1973-12-10 1975-07-08 Wayne K Hazelrigg Device for irradiating fluids
US4149228A (en) * 1977-07-22 1979-04-10 The United States Of America As Represented By The Secretary Of The Army Compact uniform light diffuser and attenuator
US4237008A (en) * 1979-01-11 1980-12-02 Fischer & Porter Co. Gravity flow disinfection contactor
US4367410A (en) * 1979-07-09 1983-01-04 Pure Water Systems, Inc. Waste purification apparatus and method
US4473866A (en) * 1981-10-28 1984-09-25 Davis Murray A Vehicle light system
US5124131A (en) * 1990-12-10 1992-06-23 Ultraviolet Energy Generators, Inc. Compact high-throughput ultraviolet processing chamber
US5355555A (en) * 1990-09-18 1994-10-18 Christer Zarelius Elongated bendable device
US5682400A (en) * 1995-09-27 1997-10-28 Krasnov; Alexander V. Supersonic and subsonic laser with high frequency discharge excitation
US5785845A (en) * 1995-11-09 1998-07-28 Colaiano; Robert Water purifying system
US5994705A (en) * 1995-05-09 1999-11-30 Labatt Brewing Company Limited Flow-through photo-chemical reactor
US6193894B1 (en) * 1999-06-23 2001-02-27 Brad C. Hollander Methods and apparatus for disinfecting and sterilizing water in water dispensers using ultraviolet radiation
US6403030B1 (en) * 2000-07-31 2002-06-11 Horton, Iii Isaac B. Ultraviolet wastewater disinfection system and method
US20030010927A1 (en) * 2001-06-19 2003-01-16 Horst Wedekamp UV radiation device for treating fluids with a simplified radiation chamber
US20030019764A1 (en) * 2000-08-11 2003-01-30 H20 Technologies, Ltd. Under the counter water treatment system
US20030129054A1 (en) * 2002-01-04 2003-07-10 Manning Robert F. Methods and apparatus for cooling gas turbine nozzles
US20030129105A1 (en) * 2002-01-07 2003-07-10 Hilary Boehme Ultraviolet water disinfection reactor for installing in an existing water pipeline
US20040020862A1 (en) * 2002-03-14 2004-02-05 Baca Anthony Michael Laser water detection, treatment and notification systems and methods
US20040109756A1 (en) * 2002-12-09 2004-06-10 Mitsubishi Heavy Industries Ltd. Gas turbine
US20040118786A1 (en) * 2002-10-09 2004-06-24 Trojan Technologies Inc. Fluid treatment system
US6761270B2 (en) * 2000-08-17 2004-07-13 E. Bayne Carew Wave coil filter assembly
US6773608B1 (en) * 1998-05-13 2004-08-10 Uv Pure Technologies Inc. Ultraviolet treatment for aqueous liquids
US20050003737A1 (en) * 2003-06-06 2005-01-06 P.C.T. Systems, Inc. Method and apparatus to process substrates with megasonic energy
US6871534B1 (en) * 1998-12-21 2005-03-29 Mitsubishi Denki Kabushiki Kaisha Flow rate measuring device
US20050173351A1 (en) * 2002-04-01 2005-08-11 Paris Neofotistos Apparatus for irradiating fluids with uv
US6940075B2 (en) * 2001-03-15 2005-09-06 Christopher R. Schulz Ultraviolet-light-based disinfection reactor
US7160453B1 (en) * 2000-06-15 2007-01-09 Mitsuboshi Belting Ltd. Filter for removing contaminants from water
US20070012883A1 (en) * 2005-07-15 2007-01-18 Lam Ka D Ultraviolet water sterilizer
US20070163934A1 (en) * 2003-02-14 2007-07-19 Kim Kyoung M Sterilize valve and a water-purifying device using the same
US7303612B2 (en) * 2005-03-24 2007-12-04 L2B Environmental Systems Inc. UV reflective cavity and method of providing same
US20070284315A1 (en) * 2006-06-11 2007-12-13 Duncan Alexander Collins The water disinfection apparatus
US7329029B2 (en) * 2003-05-13 2008-02-12 Light Prescriptions Innovators, Llc Optical device for LED-based lamp

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1940580A (en) 1931-08-11 1933-12-19 Caddy Sydney Charles Light reflecting lamp
DE2622637C3 (de) * 1976-05-20 1984-08-30 Franz 4834 Harsewinkel Boehnensieker Vorrichtung zum Entkeimen von Flüssigkeiten
CH605420A5 (fr) * 1976-06-16 1978-09-29 Bbc Brown Boveri & Cie
JPS6063050A (ja) * 1983-09-16 1985-04-11 株式会社豊振科学産業所 流体の殺菌装置
DE3828026A1 (de) * 1988-08-18 1990-02-22 Franz Boehnensieker Vorrichtung zur hygienischen aufbereitung von fluessigkeiten
JP2832862B2 (ja) 1990-06-22 1998-12-09 日本セメント株式会社 セメントの急硬性混和剤
JPH077967Y2 (ja) * 1990-09-21 1995-03-01 中野 浩二 紫外線照射装置
DE9104387U1 (fr) 1991-04-10 1992-08-06 Thera Patent Gmbh & Co Kg Gesellschaft Fuer Industrielle Schutzrechte, 8031 Seefeld, De
US5261874A (en) 1991-09-16 1993-11-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Extra-corporeal blood access, sensing, and radiation methods and apparatuses
US5503800A (en) 1994-03-10 1996-04-02 Uv Systems Technology, Inc. Ultra-violet sterilizing system for waste water
CN1169705A (zh) * 1994-10-17 1998-01-07 特洛伊人技术公司 紫外线(uv)流体处理装置和方法
US6083387A (en) * 1996-06-20 2000-07-04 Burnham Technologies Ltd. Apparatus for the disinfection of fluids
DE19714810A1 (de) 1997-04-10 1998-10-15 Samland Thomas Dipl Math Verfahren und Gerät zur solaren Desinfektion von Wasser, insbesondere von Trinkwasser
JPH11386A (ja) * 1997-06-10 1999-01-06 Shinei Kk 紫外線殺菌ユニット
JPH11216466A (ja) * 1998-02-03 1999-08-10 Shokuhin Sangyo Denshi Riyou Gijutsu Kenkyu Kumiai 光殺菌装置
US6228327B1 (en) 1998-07-09 2001-05-08 Molecucare, Inc. Apparatus and method for simultaneously germicidally cleansing air and water
JP2001212214A (ja) * 2000-02-07 2001-08-07 Toshiba Corp 紫外線殺菌装置
CN1289150C (zh) 2000-11-13 2006-12-13 拜尔公司 使用紫外线辐射对流体中的微生物进行灭活的方法
DE10101816A1 (de) * 2001-01-17 2002-07-18 Peter Ueberall Flachdiffusor zur Änderung des Strömungsquerschnittes in einem Strömungskanal
JP2002336896A (ja) 2001-05-17 2002-11-26 Kurabo Ind Ltd 汚泥の可溶化システム
US6631977B2 (en) * 2001-07-25 2003-10-14 Xerox Corporation Laser ablatable hydrophobic fluorine-containing graft copolymers
US6773584B2 (en) * 2001-10-17 2004-08-10 Honeywell International Inc. Apparatus for disinfecting water using ultraviolet radiation
US7169311B2 (en) 2001-10-17 2007-01-30 Honeywell International, Inc. Apparatus for disinfecting water using ultraviolet radiation
US20040004044A1 (en) * 2002-07-03 2004-01-08 Anderson Jeffrey J. Water purifier using ultraviolet radiation
CN2587850Y (zh) * 2002-07-10 2003-11-26 福建新大陆环保科技有限公司 紫外线流体消毒系统
IL157229A (en) * 2003-08-04 2006-08-20 Zamir Tribelsky Method for energy coupling especially useful for disinfecting and various systems using it
US7229195B2 (en) * 2003-10-01 2007-06-12 Ultraviolet Devices, Inc. Lamp standard
EP1781340A4 (fr) * 2004-07-23 2009-03-25 Uv Light Sciences Group Inc Sterilisateur a uv
CN100534920C (zh) * 2005-11-18 2009-09-02 福建新大陆环保科技有限公司 一种能够自动维持液位的紫外线流体消毒系统
EP2527302B1 (fr) * 2006-11-14 2018-05-16 Atlantium Technologies Ltd. Appareil destiné à désinfecter un liquide à l'aide d'une conduite transparente lumineuse
US10137213B2 (en) 2015-05-14 2018-11-27 Kavo Dental Technologies, Llc UV disinfecting system for a dental operatory

Patent Citations (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776565A (en) * 1953-02-05 1957-01-08 Honeywell Regulator Co Fluid flow measuring apparatus
US3637342A (en) * 1969-05-07 1972-01-25 Louis P Veloz Sterilization of fluids by ultraviolet radiation
US3672823A (en) * 1970-03-25 1972-06-27 Wave Energy Systems Method of sterilizing liquids
US3894236A (en) * 1973-12-10 1975-07-08 Wayne K Hazelrigg Device for irradiating fluids
US4149228A (en) * 1977-07-22 1979-04-10 The United States Of America As Represented By The Secretary Of The Army Compact uniform light diffuser and attenuator
US4237008A (en) * 1979-01-11 1980-12-02 Fischer & Porter Co. Gravity flow disinfection contactor
US4367410A (en) * 1979-07-09 1983-01-04 Pure Water Systems, Inc. Waste purification apparatus and method
US4473866A (en) * 1981-10-28 1984-09-25 Davis Murray A Vehicle light system
US5355555A (en) * 1990-09-18 1994-10-18 Christer Zarelius Elongated bendable device
US5124131A (en) * 1990-12-10 1992-06-23 Ultraviolet Energy Generators, Inc. Compact high-throughput ultraviolet processing chamber
US5994705A (en) * 1995-05-09 1999-11-30 Labatt Brewing Company Limited Flow-through photo-chemical reactor
US5682400A (en) * 1995-09-27 1997-10-28 Krasnov; Alexander V. Supersonic and subsonic laser with high frequency discharge excitation
US5785845A (en) * 1995-11-09 1998-07-28 Colaiano; Robert Water purifying system
US6773608B1 (en) * 1998-05-13 2004-08-10 Uv Pure Technologies Inc. Ultraviolet treatment for aqueous liquids
US6871534B1 (en) * 1998-12-21 2005-03-29 Mitsubishi Denki Kabushiki Kaisha Flow rate measuring device
US6193894B1 (en) * 1999-06-23 2001-02-27 Brad C. Hollander Methods and apparatus for disinfecting and sterilizing water in water dispensers using ultraviolet radiation
US7160453B1 (en) * 2000-06-15 2007-01-09 Mitsuboshi Belting Ltd. Filter for removing contaminants from water
US6403030B1 (en) * 2000-07-31 2002-06-11 Horton, Iii Isaac B. Ultraviolet wastewater disinfection system and method
US20030019764A1 (en) * 2000-08-11 2003-01-30 H20 Technologies, Ltd. Under the counter water treatment system
US6761270B2 (en) * 2000-08-17 2004-07-13 E. Bayne Carew Wave coil filter assembly
US6940075B2 (en) * 2001-03-15 2005-09-06 Christopher R. Schulz Ultraviolet-light-based disinfection reactor
US20030010927A1 (en) * 2001-06-19 2003-01-16 Horst Wedekamp UV radiation device for treating fluids with a simplified radiation chamber
US20030129054A1 (en) * 2002-01-04 2003-07-10 Manning Robert F. Methods and apparatus for cooling gas turbine nozzles
US20030129105A1 (en) * 2002-01-07 2003-07-10 Hilary Boehme Ultraviolet water disinfection reactor for installing in an existing water pipeline
US20040020862A1 (en) * 2002-03-14 2004-02-05 Baca Anthony Michael Laser water detection, treatment and notification systems and methods
US20050173351A1 (en) * 2002-04-01 2005-08-11 Paris Neofotistos Apparatus for irradiating fluids with uv
US20040118786A1 (en) * 2002-10-09 2004-06-24 Trojan Technologies Inc. Fluid treatment system
US20040109756A1 (en) * 2002-12-09 2004-06-10 Mitsubishi Heavy Industries Ltd. Gas turbine
US20070163934A1 (en) * 2003-02-14 2007-07-19 Kim Kyoung M Sterilize valve and a water-purifying device using the same
US7329029B2 (en) * 2003-05-13 2008-02-12 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US20050003737A1 (en) * 2003-06-06 2005-01-06 P.C.T. Systems, Inc. Method and apparatus to process substrates with megasonic energy
US20070207707A1 (en) * 2003-06-06 2007-09-06 P.C.T. Systems, Inc. Method and apparatus to process substrates with megasonic energy
US7303612B2 (en) * 2005-03-24 2007-12-04 L2B Environmental Systems Inc. UV reflective cavity and method of providing same
US20070012883A1 (en) * 2005-07-15 2007-01-18 Lam Ka D Ultraviolet water sterilizer
US20070284315A1 (en) * 2006-06-11 2007-12-13 Duncan Alexander Collins The water disinfection apparatus

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110006223A1 (en) * 2007-12-14 2011-01-13 Trojan Technologies Radiation source assembly and fluid treatment system
US9592374B2 (en) * 2010-09-01 2017-03-14 Becton, Dickinson And Company Catheter adapter having UV-C antimicrobial radiation source and access window within catheter lumen for intravenous therapy
US20120053512A1 (en) * 2010-09-01 2012-03-01 Becton, Dickinson And Company Uv-c antimicrobial device for intravenous therapy
WO2014075800A2 (fr) 2012-11-15 2014-05-22 Schott Ag Système compact à champ de rayonnement présentant une grande homogénéité
EP2974747A2 (fr) 2012-11-15 2016-01-20 Schott Ag Système compact à haute homogénéité du champ de rayonnement
US9999696B2 (en) 2012-11-15 2018-06-19 Schott Ag Compact system with high homogeneity of the radiation field
US10294124B2 (en) * 2013-01-24 2019-05-21 Atlantium Technologies Ltd. Method and apparatus for liquid disinfection by light emitted from light emitting diodes
US20150314024A1 (en) * 2013-01-24 2015-11-05 Atlantium Technologies Ltd Method and apparatus for liquid disinfection by light emitted from light emitting diodes
US9975788B2 (en) * 2013-05-21 2018-05-22 Philips Lighting Holding B.V. Optical fluid treatment device
US20160096748A1 (en) * 2013-05-21 2016-04-07 Koninklijke Philips N.V. Optical fluid treatment device
US9415126B2 (en) * 2013-05-23 2016-08-16 Sensor Electronic Technology, Inc. Reflective transparent optical chamber
US20140346370A1 (en) * 2013-05-23 2014-11-27 Sensor Electronic Technology, Inc. Reflective Transparent Optical Chamber
US20160185623A1 (en) * 2013-08-08 2016-06-30 Asahi Organic Chemicals Industry Co., Ltd. Ultraviolet sterilization device
US10077194B2 (en) 2015-05-14 2018-09-18 Kavo Dental Technologies, Llc Treatment system for liquids and interior surfaces of a fixture
US10137213B2 (en) 2015-05-14 2018-11-27 Kavo Dental Technologies, Llc UV disinfecting system for a dental operatory
US10550011B2 (en) * 2015-09-25 2020-02-04 Seoul Viosys Co., Ltd. Sterilization module, water purification device, and system comprising water purification device
US11225419B2 (en) * 2015-09-25 2022-01-18 Seoul Viosys Co., Ltd. Sterilization module, water purification device, and system comprising water purification device
US11787707B2 (en) 2015-09-25 2023-10-17 Seoul Viosys Co., Ltd. Sterilization module, water purification device, and system comprising water purification device
US20210244836A1 (en) * 2020-02-11 2021-08-12 Point Engineering Co., Ltd. Uv sterilizer
US11305032B2 (en) * 2020-05-29 2022-04-19 Stanley W. Ellis Ultraviolet air irradiation system and ultraviolet air irradiation process

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MX2009005082A (es) 2009-10-13
US10427954B2 (en) 2019-10-01
EP2251306B1 (fr) 2020-02-19
US10494273B2 (en) 2019-12-03
JP5174031B2 (ja) 2013-04-03
EP2527302A1 (fr) 2012-11-28
EP2121525A1 (fr) 2009-11-25
US9320818B2 (en) 2016-04-26
CN102010024A (zh) 2011-04-13
EP2121525B1 (fr) 2015-11-11
EP2251306A3 (fr) 2012-08-29
US20160236948A1 (en) 2016-08-18
CN101588994A (zh) 2009-11-25
JP5345739B2 (ja) 2013-11-20
EP2527302B1 (fr) 2018-05-16
DK2527302T3 (en) 2018-08-13
JP2013066894A (ja) 2013-04-18
BRPI0717199A2 (pt) 2013-10-15
CN103922437B (zh) 2016-08-17
CN102010024B (zh) 2013-12-18
DK2121525T3 (en) 2016-02-08
BRPI0717199B1 (pt) 2018-06-05
CN103922437A (zh) 2014-07-16
US20190031536A1 (en) 2019-01-31
DK2251306T3 (da) 2020-05-25
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JP2010509019A (ja) 2010-03-25
WO2008059503A1 (fr) 2008-05-22

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