Abstract:
La présente demande concerne un dispositif de désinfection de liquide par rayonnement ultraviolet comportant au moins une source de rayonnement ultraviolet primaire disposée en périphérie extérieure d'un tronçon de conduit cylindrique (50) configuré pour que du liquide s'y écoule, et au moins un tube (81) prolongeant le tronçon de conduit (50) et s'étendant depuis au moins une sortie (56) du tronçon de conduit (50) jusqu'à au moins un point de distribution (62) du dispositif. Le tronçon de conduit (50) et l'au moins une source de rayonnement ultraviolet sont configurés pour que l'au moins une source de rayonnement ultraviolet irradie le tronçon de conduit (50) et le liquide s'écoulant dans le tronçon de conduit (50) depuis l'extérieur du tronçon de conduit (50), et le tube (81) est configuré pour guider le rayonnement ultraviolet en provenance du tronçon de conduit (50) jusqu'au point de distribution (62).
Abstract:
The invention relates to a photoreactor comprising a tube bundle (10) consisting of numerous capillary tubes (11), which are traversed by a reaction medium. The tubes (11) are transparent. The reaction medium is subjected to solar radiation or artificial radiation, in order to carry out a photochemical or photobiological treatment. The inlet chamber (12), which is connected to the tube bundle (10), contains a stream distribution device (16) that distributes the reaction medium from the fluid inlet (15) to the tubes (11). The stream distribution device (16) permits the volume of the inlet chamber (12) to be reduced. The volume of the reactor that is not irradiated is thus reduced, increasing the efficiency of the reactor.
Abstract:
A processing method for treating organics-containing fluids including a ultraviolet (UV) disinfection step and a biological processing step. The UV light source employed in the UV disinfection step is positioned outside the fluid to be disinfected and the fluid is disinfected via exposure to at least one UV dose zone outside the fluid being treated wherein UV light is projected into the at least one dose zone. The UV light source may be presented in a vertical riser configuration, wherein the UV light source is positioned above the fluid to be treated and projecting a UV dose zone downward toward and into the fluid to be treated, with the fluid moving upward toward the UV light source. At least one interface plate is used to provide a surface zone for UV disinfection above the fluid and to provide additional treatment means for balancing pH, affecting effluent chemistry, reducing organic chemicals, and the like. Alternatively, the UV light source may be presented in a planar or horizontal design, wherein the UV light source is positioned above the fluid to be treated and projecting a UV dose zone downward toward and into the fluid to be treated, with the fluid moving in a direction substantially perpendicular to the UV dose zone. After neutralization, the fluid is directed to the biological processing step, wherein microbes or enzymes are contacted with the fluid to effect metabolism of the organics in the fluid. The process may be used to reduce the organic load of animal and non-animal wastes, as well as produce a desired product from microbial foodstocks or enzyme substrates.
Abstract:
A processing method for treating organics-containing fluids including a ultraviolet (UV) disinfection step and a biological processing step in combination with use of a UV light source employed in the UV disinfection step that is positioned outside the fluid to be disinfected and the fluid is disinfected via exposure to at least one UV dose zone outside the fluid being treated wherein UV light is projected into the at least one dose zone.
Abstract:
A method for killing cells, which comprises bringing a material having live cells into contact with a conductor-free photo-semiconductor or a cell-killing material containing the semiconductor, and irradicating the photo-semiconductor with light to kill the live cells, and a cell-killing agent containing the conductor-free photo-semiconductor. The photo-semiconductor is relatively inexpensive, since it does not contain any conductor, and can be safely used for sterilization of drinking water, foods, human body, etc., since it does not release poisonous metal ion derived from the conductor.
Abstract:
The present invention provides a method and apparatus for sanitizing consumable water using an ultraviolet light. The water is exposed to the ultraviolet light for a preselected duration of time and at a desired power level to achieve a desired level of sanitization.
Abstract:
An ultraviolet (UV) disinfection system and method for treating fluids including a configuration and design to function effectively with at least one UV light source or lamp that is not submerged in the fluid. The UV light source is positioned outside the fluid to be disinfected via exposure to at least one UV dose zone outside the fluid being treated wherein UV light is projected into the at least one dose zone. The UV light source may be presented in a vertical riser configuration, wherein the UV light source is positioned above the fluid to be treated and projecting a UV dose zone downward toward and into the fluid to be treated, with the fluid moving upward toward the UV light source. Alternatively, the UV light source may be presented in a non-vertical riser configuration, wherein the UV light source is positioned above the fluid stored at least temporarily within a reservoir and projecting a UV dose zone downward toward and into the static fluid to be treated, and is particularly effective where the fluid is pre-treated or purified drinking water.
Abstract:
An ultraviolet (UV) disinfection system and method for treating waste-containing fluids including a configuration and design to function effectively with at least one UV light source (310) or lamp that is not submerged in the fluid. The UV light source is positioned outside the fluid (210,230) to be disinfected via exposure to at least one UV dose zone outside the fluid being treated wherein UV light is projected into the at least one dose zone in a vertical riser configuration (200). At least one interface plate (240) is used to provide a surface zone for UV disinfection and to provide treatment means for balancing pH, affecting effluent chemistry, and reducing organic chemicals. Fluid to be treated enters the vertical riser configuration (200) via pipe (120) and exists via pipe (140).
Abstract:
An ultraviolet (UV) disinfection system and method for treating fluids including a configuration and design to function effectively with at least one UV light source or lamp (56) that is not submerged in the fluid. The UV light source (56) is positioned outside the fluid to be disinfected via exposure to at least one UV dose zone (57, 53, 52) outside the fluid being treated wherein UV light (55) is projected into the at least one dose zone (57, 53, 52). The UV light source (56) may be presented in a vertical riser configuration, wherein the UV light source (56) is positioned above the fluid to be treated and projecting a UV dose zone (57, 53, 52) downward toward and into the fluid to be treated, with the fluid moving upward toward the UV light source (56). Alternatively, the UV light source (56) may be presented in a planar or horizontal design, wherein the UV light source (56) is positioned above the fluid to be treated and projecting a UV dose zone (57, 53, 52) downward toward and into the fluid to be treated, with the fluid moving in a direction substantially perpendicular to the UV dose zone (57, 53, 52). At least one interface plate (59) is used to provide a surface zone (53) for UV disinfection above the fluid and to provide additional treatment means for balancing pH, affecting effluent chemistry, and the like.
Abstract:
A method for disinfecting liquids and gases includes the steps of distributing at least one optical fiber in the region containing the liquids or gases to be disinfected; aligning at least one radiation unit having a high intensity source of light into said fibers; radiating the liquid or gases by the optical fiber over a predetermined period of time. The present invention further related to devices using the same method.