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 exhaust gas control apparatus includes a dust collection device, an oxidation treatment device, and an ECU. The dust collection device applies a DC voltage between a charging electrode and a counter electrode, and collects particulate matter on an oxidation substrate. The ECU estimates a distribution of a deposition amount of the particulate matter deposited on the oxidation substrate in a flow direction of exhaust gas, based on input information including at least a flow rate of exhaust gas and a mass of particulate matter in exhaust gas, setting information including at least an electric field intensity between the charging electrode and the counter electrode, and history information on the oxidation treatment. The ECU carries out the oxidation treatment when the deposition amount of at least a part of the deposited particulate matter exceeds a threshold.

An exhaust gas control apparatus includes a dust collection device, an oxidation treatment device, and an ECU. The dust collection device applies a DC voltage between a charging electrode and a counter electrode, and collects particulate matter on an oxidation substrate. The ECU estimates a distribution of a deposition amount of the particulate matter deposited on the oxidation substrate in a flow direction of exhaust gas, based on input information including at least a flow rate of exhaust gas and a mass of particulate matter in exhaust gas, setting information including at least an electric field intensity between the charging electrode and the counter electrode, and history information on the oxidation treatment. The ECU carries out the oxidation treatment when the deposition amount of at least a part of the deposited particulate matter exceeds a threshold.

A wet electrostatic precipitator includes an ancillary component cleaning device with a cleaning assembly moveably supportable within an electrostatic precipitator; the cleaning assembly having a scraper configurable to abut an ancillary component of the electrostatic precipitator, such that movement of the cleaning assembly within the electrostatic precipitator causes movement of the scraper with respect to the ancillary component and wherein the ancillary component includes a component of a separation assembly provided in the wet electrostatic precipitator to maintain electrical isolation between the discharge and collection electrodes.

The disclosure provides an air disinfection and filtration apparatus for the removal of particles and disinfection of a flow of air using plasma. The apparatus comprises an electrode section with coaxial electrodes that form an annular cavity between the coaxial electrodes. Further, the apparatus comprises an ionic thruster assembly connected to the annular cavity of the electrode section. The ionic thruster assembly includes a top inlet and is configured to receive an airflow, charge the particles within the airflow, and transmit the airflow with the charged particles into the annular cavity of the electrode section. Further, the electrode section is configured to attract the charged particles towards an outer electrode of the coaxial electrodes. The apparatus further comprises a swirl generation unit, a catalytic bed, a particle collector, a collector adaptor, and a dome-shaped closure member.

The disclosure provides an air disinfection and filtration apparatus for the removal of particles and disinfection of a flow of air using plasma. The apparatus comprises an electrode section with coaxial electrodes that form an annular cavity between the coaxial electrodes. Further, the apparatus comprises an ionic thruster assembly connected to the annular cavity of the electrode section. The ionic thruster assembly includes a top inlet and is configured to receive an airflow, charge the particles within the airflow, and transmit the airflow with the charged particles into the annular cavity of the electrode section. Further, the electrode section is configured to attract the charged particles towards an outer electrode of the coaxial electrodes. The apparatus further comprises a swirl generation unit, a catalytic bed, a particle collector, a collector adaptor, and a dome-shaped closure member.

A collection device includes an acquisition device, a control device, and a detection device. The acquisition device acquires information inside a space of a target region. The control device sets a detection path for a collection device based on an unreachable region within the space of the target region. The detection device acquires environmental data including environmental data of the unreachable region detected when the collection device moves along the detection path in the space of the target region.

A collection device includes an acquisition device, a control device, and a detection device. The acquisition device acquires information inside a space of a target region. The control device sets a detection path for a collection device based on an unreachable region within the space of the target region. The detection device acquires environmental data including environmental data of the unreachable region detected when the collection device moves along the detection path in the space of the target region.

The present invention relates to: a device (1, 101, 151) for separating off liquid and/or particulate contaminants from a gas flow (7, 107), in which a flow path of the gas flow (7, 107) runs between at least one first electrode (9, 31, 109) acting as a counter electrode and at least one second electrode (11, 111, 51, 53, 57, 135, 135, 135, 155) acting as an emitter electrode and having an electrode end (71, 77, 90) oriented in the direction of the first electrode, and a direct-current voltage exceeding the breakdown voltage can be applied between the first electrode (9, 31, 109) and the second electrode (11, 111, 51, 53, 57, 135, 135, 135, 155) in order to form a stable low-energy plasma (41, 125), wherein the second electrode (11) extends substantially along a first axis (X) in a first direction and the first electrode (31) has at least one plateau region (33) which is arranged opposite the second electrode (11) and which extends at least regionally in a first plane running substantially perpendicular to the first direction (X); and a method for operating such a device.