An apparatus for treating air, such as an air humidifier, air cleaner, air washer or the like, may include a rinse-around body around which liquid rinses, an air conduction system arranged to stream the air to be treated against the rinse-around body, and an electrostatic precipitator assigned to the rinse-around body such that solid and/or liquid particles are precipitated from the air to be treated streaming against the rinse-around body and that the precipitated particles enter the liquid.

An apparatus for treating air, such as an air humidifier, air cleaner, air washer or the like, may include a rinse-around body around which liquid rinses, an air conduction system arranged to stream the air to be treated against the rinse-around body, and an electrostatic precipitator assigned to the rinse-around body such that solid and/or liquid particles are precipitated from the air to be treated streaming against the rinse-around body and that the precipitated particles enter the liquid.

A method of forming a collection electrode for an electrostatic charging air cleaning device. The method includes forming a slurry including a carbon black powder material, a polymeric binder material and a liquid solvent material. The method further includes applying the slurry to a substrate material. The method also includes curing the slurry to obtain a coating layer on the substrate material to form the collection electrode.

A method of forming a collection electrode for an electrostatic charging air cleaning device. The method includes forming a slurry including a carbon black powder material, a polymeric binder material and a liquid solvent material. The method further includes applying the slurry to a substrate material. The method also includes curing the slurry to obtain a coating layer on the substrate material to form the collection electrode.

An apparatus, and method for air purification and airborne microbial deactivation is described. In one embodiment, liquid is being used as a medium to attach air pollutants and deactivate microbes in the air. In one embodiment a negative charge is imparted for the formation of dense electric fields and negative ions using negative ion generators, corona discharge or plasma and using liquid as capturing media and disinfecting source; The air purification is done through a batch or a continuous process.

An apparatus, and method for air purification and airborne microbial deactivation is described. In one embodiment, liquid is being used as a medium to attach air pollutants and deactivate microbes in the air. In one embodiment a negative charge is imparted for the formation of dense electric fields and negative ions using negative ion generators, corona discharge or plasma and using liquid as capturing media and disinfecting source; The air purification is done through a batch or a continuous process.

An electrostatic charging air cleaning device. The device includes a pre-charger configured to generate a corona discharge to electrostatically charge particulate matter in an air stream. The device further includes a separator downstream from the pre-charger configured to convey the electrostatically charged particulate matter and formed of an insulative material. The device also includes a collection electrode configured to receive and to absorb the conveyed electrostatically charged particulate matter. The collection electrode includes a substrate material and a coating layer coated onto the substrate material. The coating layer includes a carbon black material and a polymeric binder. The substrate material is a metal plate including mechanical perforations.

An electrostatic charging air cleaning device. The device includes a pre-charger configured to generate a corona discharge to electrostatically charge particulate matter in an air stream. The device further includes a separator downstream from the pre-charger configured to convey the electrostatically charged particulate matter and formed of an insulative material. The device also includes a collection electrode configured to receive and to absorb the conveyed electrostatically charged particulate matter. The collection electrode includes a substrate material and a coating layer coated onto the substrate material. The coating layer includes a carbon black material and a polymeric binder. The substrate material is a metal plate including mechanical perforations.

An exemplary embodiment of the present invention relates to an apparatus and method for removing nitrogen oxide from exhaust gas. The apparatus for removing nitrogen oxide from exhaust gas includes: a chamber through which exhaust gas is introduced and discharged; a nozzle injecting a solution, which reacts with the exhaust gas introduced into the chamber, into the chamber; and an electric dust collecting unit installed at a rear end of the chamber to be supplied with the exhaust gas processed in the chamber and including a discharge unit and a dust collecting unit.

Method and apparatus for cleaning pollution control equipment, such as particulate removal devices, including wet electrostatic precipitators (WESP). The apparatus may comprise a plenum having a gas inlet for the introduction of process gas into said housing; a gas outlet for discharge of treated process gas from said housing; at least one ionizing electrode; at least one particulate collection electrode; the plenum being in fluid communication with the at least one ionizing electrode and the at least one particulate collection electrode; an upper support frame; a lower support frame connected to the upper support frame and comprising at least one electrode support beam supporting the at least one ionizing electrode; and at least one movable nozzle in the plenum for discharging washing liquid towards the at least one collection electrode to dislodge particulate matter from the at least one collection electrode.