A gas treatment device that treats a gas to be treated, including oxygen, introduced at a gas inlet and that exhausts a treated gas at a gas outlet, the gas treatment device includes: a gas channel that communicates the gas inlet with the gas outlet; a blower that allows the gas to be treated to flow from the gas inlet to the gas outlet; an ultraviolet light source that is disposed in the gas channel and radiates ultraviolet light having a wavelength of 230 nm or less; a filter that is disposed at a side at which the gas outlet is located from the ultraviolet light source in the gas channel, and that adsorbs at least ozone; and a control unit that controls the blower to operate, wherein the control unit controls the blower to start a blowing operation after the ultraviolet light source starts radiating the ultraviolet light.

Systems and methods in accordance with the present invention provide for the efficient distillation of ethanol in an ethanol plant including a beer column. Heat is captured in the distillation process and utilized to drive operations in the ethanol plant.

Systems and methods in accordance with the present invention provide for the efficient distillation of ethanol in an ethanol plant including a beer column. Heat is captured in the distillation process and utilized to drive operations in the ethanol plant.

A system, method, or apparatus for controlling the ignition of a volatile organic compound cloud. The system can include a laser source configured to emit one or more laser beams, one or more fume cells, and a conveyor carrying one or more confectionery products. The system is configured to etch the one or more confectionery products using the one or more laser beams. The etching creates a volatile organic compound cloud above the one or more confectionery products. The system is also configured to control one or more factors of the system, where the one or more factors include at least one of laser power, laser wavelength, geometry of laser beam, etch geometry, or fume extraction air flow. The system is further configured to ignite the volatile organic compound cloud based on the controlled one or more factors.

A system, method, or apparatus for controlling the ignition of a volatile organic compound cloud. The system can include a laser source configured to emit one or more laser beams, one or more fume cells, and a conveyor carrying one or more confectionery products. The system is configured to etch the one or more confectionery products using the one or more laser beams. The etching creates a volatile organic compound cloud above the one or more confectionery products. The system is also configured to control one or more factors of the system, where the one or more factors include at least one of laser power, laser wavelength, geometry of laser beam, etch geometry, or fume extraction air flow. The system is further configured to ignite the volatile organic compound cloud based on the controlled one or more factors.

An air dust removal system (101) includes a dust removal system inlet (1011), a dust removal system outlet, and an electric field apparatus (1014). The electric field apparatus (1014) has an electric field apparatus inlet, an electric field apparatus outlet, a dust removal electric field cathode (10142), and a dust removal electric field anode (10141); the dust removal electric field cathode (10142) and the dust removal electric field anode (10141) are used for generating an ionization dust removal electric field. When dust is collected in the ionization dust removal electric field, the electric field apparatus (1014) detects an electric field current. The air dust removal system (101) can effectively remove particulate matters in air.

An air dust removal system (101) includes a dust removal system inlet (1011), a dust removal system outlet, and an electric field apparatus (1014). The electric field apparatus (1014) has an electric field apparatus inlet, an electric field apparatus outlet, a dust removal electric field cathode (10142), and a dust removal electric field anode (10141); the dust removal electric field cathode (10142) and the dust removal electric field anode (10141) are used for generating an ionization dust removal electric field. When dust is collected in the ionization dust removal electric field, the electric field apparatus (1014) detects an electric field current. The air dust removal system (101) can effectively remove particulate matters in air.

A recovery device for a volatile organic compound is a device for recovering the volatile organic compound in a coating drying oven which dries a coating film of a workpiece coated with a water-soluble coating. The coating drying oven includes: an evaporation zone in which moisture of the workpiece is evaporated; and a curing zone to cure the coating film. The recovery device includes: a first take-out passage for taking out first furnace air in the evaporation zone; a second take-out passage for taking out second furnace air in the curing zone; a mixing chamber configured to mix the first furnace air and the second furnace air to obtain mixed air; and a cooling recovery unit configured to cool the mixed air and recover, as a condensate, the volatile organic compound contained in the mixed air, together with the moisture.

A system for removing dust from the air includes a dust-removing system inlet, a dust-removing system outlet and an electric field apparatus. The electric field apparatus has an electric field apparatus inlet, an electric field apparatus outlet, a dust-removing electric field cathode and a dust-removing electric field anode. The dust-removing electric field cathode and the dust-removing electric field anode are used to generate an ionizing electric field for dust removal. The system for removing dust from the air can effectively remove particulates in the air.

An air dust removal system (101) includes a dust removal system inlet, a dust removal system outlet, and an electric field device (1014). The electric field device (1014) has an electric field device inlet (1011), an electric field device outlet, a dust removal electric field cathode (10142), and a dust removal electric field anode (10141). The dust removal electric field cathode (10142) and the dust removal electric field anode (10141) generates an ionizing dust removal electric field. The dust removal electric field anode (10141) has a first anode portion (101412) and a second anode portion (101411). The first anode portion (101412) is close to the inlet of the electric field device (1014), and the second anode portion (101411) is close to the outlet of the electric field device (1014). At least one insulating mechanism (1015) is provided between the first anode portion (101412) and the second anode portion (101411).