To sterilize a sterilization filter unit with heated steam, minimize the heat load on the sterilization filter unit and extend the service life of the sterilization filter unit.

Heated steam is supplied to a sterilization filter unit that sterilizes supplied air, the temperature of the heated steam discharged from the sterilization filter unit is measured at predetermined time intervals, the F value is calculated from the measured temperature, and sterilization of the sterilization filter unit is ended when the F value reaches a target value.

A system and method for cleaning, rinsing, and sanitizing a container is disclosed. The system has a sanitizing agent chamber for storing a sanitizing agent, the one or more solution chambers in fluid communication with the container, a pump in fluid commination with the sanitizing agent, wherein the pump is in communication with a gas, and at least one spray nozzle fluidly connected to the at least one solution chamber via a conduit positioned within the container, wherein the spray nozzle comprises a housing inside which the sanitizing agent is mixed at pressure with the gas to disperse the sanitizing agent and gas mixture into the container for sanitizing the container.

A purifying apparatus includes: an optical sensor that outputs an electrical signal, the optical sensor including a light source that emits first light and a photodetector that receives second light from a region irradiated with the first light; a determination circuit that determines the presence or absence of a physical object in the region and generates an image representing a determination result, the determination circuit including a signal processing circuit that processes the electrical signal; a spray that sprays a cleansing agent through a spray nozzle, the spray including the spray nozzle; a range finder that measures a distance from the spray nozzle to the physical object; and a controller that controls, according to the distance, spraying of the cleansing agent by the spray.

An instantaneous sterilization system for ventilation and air conditioning comprises: an air inlet; an instantaneous sterilization device being one or more of a chlorine dioxide disinfector, a hydrogen peroxide or hydrogen peroxide silver ion disinfector, an ultraviolet disinfector, an ULPA ultra-efficient air filter, a HEPA high efficiency particle air filter, a laser disinfector, a microwave disinfector, an infrared disinfector, an X-ray disinfector and a -ray disinfector, an output end of the instantaneous sterilization device being provided with a sterilized air outlet, and the sterilized air outlet being communicated with air and serves as an output end of the instantaneous sterilization system for ventilation and air conditioning; and a fan, an air inlet end of the fan being connected with the air inlet, and an air exhaust end of the fan being connected with the input end of the instantaneous sterilization device.

Metal oxide sensors are provided. Systems including the metal oxide sensors and methods for identifying a target gas concentration using the sensors are also provided. A method for increasing the consistency of MOx sensor readings over an in-service interval is provided, comprising: applying a thermal stimulus to a sensor face to reset to a condition substantially devoid of environmental chemical species; a dwell period following the thermal stimulus where the sensor is: (a) held between an ambient temperature and a thermal stimulus temperature, or (b) exposed to temporal patterns of heated and unheated intervals; triggering a reading of electrochemical changes to the sensor caused by chemical species in the environment being sensed, at a consistent time interval after the application of the thermal stimulus; and wherein the application of the thermal stimulus, the dwell period, and the reading of electrochemical changes to the sensor is a thermal stimulus-to-read cycle.

A method for treating foul odors. A chemical solution is administered to the area to be treated. The chemical solution includes: potassium iodine, zinc sulfate and magnesium sulfate. In a preferred embodiment the chemical solution is diluted in water and applied to an area needing treatment.

A method for treating foul odors. A chemical solution is administered to the area to be treated. The chemical solution includes: potassium iodine, zinc sulfate and magnesium sulfate. In a preferred embodiment the chemical solution is diluted in water and applied to an area needing treatment.

A method and apparatus for water purification and remineralization are disclosed. The apparatus comprises a plurality of thermally coupled thermoelectric modules, as well as means for enhancing mass and energy transfers. The method provides a highly energy-efficient water purification process. The apparatuses and methods of the present inventions can be used to obtain purified and/or remineralized water at rates suitable for household water consumption.

A system for creating and dispersing a dry fog utilizing a production system for producing hypochlorous acid, a preservation system for preserving hypochlorous acid, and a dry fog system for creating dry fog droplets of hypochlorous acid.

In one aspect, a system for generating and monitoring an antimicrobial is provided, the system including: a microprocessor and/or a microcontroller; an external communications device; a computational system; an antimicrobial sensor and/or an environmental sensor; and an antimicrobial generator, wherein the external communications device, the computational system, the antimicrobial generator, and the antimicrobial sensor and/or the environmental sensor are operatively connected to the microprocessor and/or the microcontroller. The system may further include a separate sensor sub-system comprising: a sensor sub-system microprocessor and/or a sensor sub-system microcontroller; a sensor sub-system external communications device; a sensor sub-system antimicrobial sensor and/or a sensor sub-system environmental sensor; and a sensor sub-system computational system. The system may further include a separate generation sub-system comprising: a generation sub-system microprocessor and/or a generation sub-system microcontroller; a generation sub-system external communications device; and a generation sub-system antimicrobial generator.