An ionization device may be configured to be portable, and to rest on a surface such as a floor or desk top. The ionization device includes an air-intake port, an ion generator, an ozone catalyst for removing at least some ozone from air, and an air discharge. Air enters the device through the air-intake port, and at least some of the air is ionized to remove particulates. The air is then moved past or through the ozone catalyst to remove at least some of the ozone from the air. A controller may be used to monitor particulates, temperature, humidity, and/or other relevant factors and/or to adjust the ionization level.

An apparatus and method for treating air. A housing can enclose a heating zone and an oxidizing zone positioned downstream of the heating zone with respect to a flow direction of the air being treated. A catalyst in the oxidizing zone oxidizes contaminants from the air, and an air mover positioned is configured to move air from an air inlet through the housing to an air outlet. An air treatment cycle can include an air cleaning mode at a high air flow and a self-cleaning mode at a lower air flow. A heater is operated during the self cleaning mode to oxidize contaminants that on the catalyst from the air cleaning mode.

A recyclable ceramic catalyst filter, a filtering system including the same, and a method of managing the filtering system are provided. The ceramic catalyst filter has a monolithic structure including a first surface which blocks a first material; and a second surface which removes a second material that passed through the first surface, where the second surface is activated and operates as a catalyst layer which removes the second material in response to energy supplied to the second surface.

Systems and methods for treating automotive vehicle emissions on board an automotive vehicle include the use of waste heat recovery, electrochemical water splitting, phototcatalytic water splitting, and selective catalytic reduction. Waste heat recovery is used to power electrochemical water splitting, or photocatalytic water splitting. Photons collected from a solar panel are used in photocatalytic water splitting, or in photo-assisted selective catalytic reduction. Hydrogen gas generated by water splitting is used in conjunction with catalytic reduction units to catalytically reduce NOx in an engine exhaust gas.

A deodorization and dehumidification device including an accommodation room in which an object is accommodated, a deodorizer including a deodorization route provided outside the accommodation room to deodorize air in the accommodation room and supply the deodorized air to the accommodation room, and a dehumidifier including a dehumidification route provided outside the accommodation room and separated from the deodorization route to dehumidify air in the accommodation room and supply the dehumidified air to the accommodation room.

A device is disclosed for extracting water from a fluid medium. The water extracting device comprises a primary channel and a quantity of a light-activated, stimulus responsive polymer (SRP) supported on a carrier within the primary channel. The SRP is capable of absorbing a quantity of water from the medium in a first state and releasing the water in a second state and vice versa. An illumination arrangement allows selective exposure of the SRP within the primary channel to electromagnetic radiation to switch the SRP between the first state and the second state whereby water absorbed by the SRP is released. Also disclosed is a method and device for conducting heat from the primary channel to a secondary channel, adjacent to and in heat conducting relation with the primary channel.

A method for preparing a porous nano-fiber heterostructure photocatalytic filter screen includes: preparing a noble metal nanostructure with tunable spectra and a heterostructure composite photocatalyst of a photocatalytic material; and preparing a large area and multilayer porous nano-fiber filter screen structure, while utilizing a scattering enhancement effect of metal nanoparticles in an porous optical fiber to realize repeated conduction of sunlight in the optical fiber and finally interact with the composite photocatalyst on a surface to improve photocatalytic efficiency. Preparation of the heterostructure composite photocatalyst with a wide spectral response of and tunable visible to infrared band spectra is realized, at the same time, with reference to high adsorbability, high light transmission of nanometer fiber and unique optical characteristics of metal nanoparticles, an air purification filter screen with a high sunlight utilization rate and a high catalytic degradation capability is creatively provided.

A device and a process used to purify air from pollutants are disclosed. The device has at least one empty body defining a chamber intended to receive an air flow to be purified and having at least one inlet hole for the air, and at least one outlet hole for the air. The chamber has an electric field generator, at least one photocatalyst, intended to be excited by a luminous radiation, implementing a photocatalysis process, at least one luminous radiation source intended to excite the photocatalyst, and at least one adsorbing material. The electric field generator, the at least one photocatalyst and the at least one adsorbing material are disposed in the chamber in such manner to cooperate.

An apparatus and process for use of an alkaline reagent (e.g. sodium hydroxide, NaOH, potassium hydroxide, KOH, etc.) to facilitate removal of carbon dioxide (CO2) from flue gas output from a glass melting operation. The CO2 removed from the flue gas can be in carbonates formed in the reaction of the reagent with the flue gas, which can be used in glass melting operations. A portion of the flue gas can also be liquefied in some embodiments to produce a liquefied CO2 stream for other uses. In some embodiments, a portion of the carbonate generated from the CO2 removal process can be heated (e.g. in an indirect heat exchange process) to liberate the CO2 for feeding the liberated CO2 to a liquefaction process while a resultant oxide formed via the CO2 liberation can be hydrolyzed to regenerate the alkaline reagent for subsequent use in the CO2 removal process.

Multiple site purification can be achieved by a small plastic portable voltaic inspissation unit in a box configuration. Each unit may feature an air hopper, a recirculation line, a gas diffuser, a centrifuge, a decanter, and multiple anodic and cathodic voltaic inspissation plates that may direct fluid through a box in a meandering or serpentine fashion. Multiple devices may be present or omitted, and retention times may be varied both by the presence or absence of recirculation and the flow rate accomplished by use of different metal in the plates depending on purification goals. Air may be injected interstitially prior to passage into the box to aid in purification, and ultimately both ease of transport and substantially improved purification percentages may be achieved relative to prior systems.