Abstract:
A disinfecting system including a delivery unit having a dental instrument holder, a dental instrument engagable with the dental instrument holder, a fluid supply line fluidly coupled to the dental instrument to provide fluid to the dental instrument, and a disinfecting device in fluid communication with at least one of the supply lines and the dental instrument.
Abstract:
A method and a system for producing a change in a medium. The method places in a vicinity of the medium an energy modulation agent. The method applies an initiation energy to the medium. The initiation energy interacts with the energy modulation agent to directly or indirectly produce the change in the medium. The energy modulation agent has a normal predominant emission of radiation in a first wavelength range outside of a second wavelength range (WR2) known to produce the change, but under exposure to the applied initiation energy produces the change. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the energy modulation agent.
Abstract:
The present invention is directed towards a method and apparatus for sanitizing treated water of an unsatisfactory quality so as to produce sanitized water which is potable and of a satisfactory quality. The method comprises the steps of filtering, irradiating, and, ozonating the treated water so as to sanitize the treated water in a water sanitization assembly. The sanitized water is then stored in a sanitized water tank. Upon demand by a user, a pump is activated to pump the sanitized water out of the sanitized water tank and through a carbon filter to a dispensing outlet.
Abstract:
A method and a system for producing a change in a medium. The method places in a vicinity of the medium an energy modulation agent. The method applies an initiation energy to the medium. The initiation energy interacts with the energy modulation agent to directly or indirectly produce the change in the medium. The energy modulation agent has a normal predominant emission of radiation in a first wavelength range outside of a second wavelength range (WR2) known to produce the change, but under exposure to the applied initiation energy produces the change. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the energy modulation agent.
Abstract:
A system and method for removing fouling from a photoelectrocatalytic oxidation assembly is provided. The method includes resetting a first counter, increasing the first counter by a first channel increment value, and determining if the value in the first counter exceeds a value corresponding to the number of channels provided in the assembly. If the first counter does not exceed the number of channels, the polarity in a channel associated with the value in the first counter is reversed, and a first timer is reset. If an amount of time in the first timer does not exceed a first time period, the first timer is increased by a first time increment until the time remaining in the first timer exceeds the first time period and the polarity reversal is terminated, returning to the step of increasing the first counter by a first channel increment value.
Abstract:
A method of inactivating microorganisms such as viruses within a fluid such as a biological fluid is disclosed. The method includes the steps of providing a UV reactor, which may take the form of an elongated generally annular reaction chamber surrounding at least one elongated UV lamp, moving the fluid within the reaction chamber in a primary flow directed along the length of the UV lamp, and inducing a circulating secondary flow within the fluid with the secondary flow being superimposed on the primary flow. As the fluid moves through the reaction chamber in the primary flow, it is circulated repeatedly toward and away from the UV lamp in the circulating secondary flow to provide uniform and controllable exposure of the entire volume of fluid to ultraviolet radiation. Microorganisms such as viruses are thus inactivated while desirable components in the fluid, such as proteins, are preserved without the use of a free radical scavenger.
Abstract:
Spherical (23) or cylindrical (27, 36) electrodeless ultraviolet lamps are used to remediate fluid, directly or by excitation of ultraviolet-activated photocatalyst surfaces, which may be on the lamps themselves, or on structures which are permeable by the fluid. The lamps may be excited in cavities (18, 19; 43) by microwave energy from a magnetron (22), or by radio frequency power (39) inductively coupled (40) to the lamps. The lamps (44) may have start-up electrodes (47).
Abstract:
Methods and systems for treating brackish desalination brine for the recovery of fresh water are disclosed. The method includes treating a source of brackish desalination brine with an ultraviolet-driven persulfate photolysis oxidation pre-treatment; treating the source of brackish desalination brine treated with the ultraviolet-driven persulfate photolysis oxidation pre-treatment to a chemical demineralization process; treating the source of brackish desalination brine treated with the ultraviolet-driven persulfate photolysis oxidation pre-treatment and with the chemical demineralization process to a microfiltration process; and treating the source of brackish desalination brine treated to the ultraviolet-driven persulfate photolysis oxidation pre-treatment, the chemical demineralization process, and the microfiltration process to a reverse osmosis treatment.
Abstract:
A fluid sterilization apparatus according to an embodiment includes a tubular cover; a tubular portion provided inside the cover; a supply head provided at one end of the tubular portion; a discharge head provided at the other end of the tubular portion; at least one light-emitting element provided in at least one of the supply head and the discharge head and allowed to irradiate an inside of the tubular portion with ultraviolet rays; and a temperature control unit capable of controlling a temperature of a space between the cover and the tubular portion.
Abstract:
A stand-alone ice making appliance and method of operation is provided. The stand-alone ice making appliance may include a container defining a first storage volume for receipt of ice, a water storage volume in fluid communication with the container to receive water from the container, an ice maker, a pump, and an ultraviolet light source. The ice maker may include an auger at least partially surrounded by a casing. The casing may be in fluid communication with the water storage volume to receive water from the water storage volume. The ice maker may further include a sealed refrigeration system in thermal communication with the casing. The pump may be in fluid communication with water storage volume for actively flowing water from the water storage volume to the ice maker. The ultraviolet light source may face the water storage volume to selectively direct ultraviolet light into the water storage volume.