The present invention relates generally to the field of emission control equipment for boilers, heaters, kilns, or other flue gas-, or combustion gas-, generating devices (e.g., those located at power plants, processing plants, etc.) and, in particular to a new and useful method and apparatus for: (i) reducing halogen levels necessary to affect gas-phase mercury control; (ii) reducing or preventing the poisoning and/or contamination of an SCR catalyst; and/or (iii) controlling various emissions. In still another embodiment, the present invention relates to a method and apparatus for: (A) simultaneously reducing halogen levels necessary to affect gas-phase mercury control while achieving a reduction in the emission of mercury; and/or (B) reducing the amount of selenium contained in and/or emitted by one or more pieces of emission control equipment for boilers, heaters, kilns, or other flue gas-, or combustion gas-, generating devices (e.g., those located at power plants, processing plants, etc.).

An air pollution control system includes a denitration device that removes nitrogen oxide in flue gas from a boiler; a heat transfer tube for recovering part of heat of the flue gas after denitration; a precipitator that removes soot and dust in the flue gas after heat recovery; a desulfurization device that removes sulfur oxide in the flue gas discharged from the precipitator; a heat transfer tube for heating the flue gas discharged from the desulfurization device; a circulation pump that circulates a heat medium between the heat transfer tubes; a heat medium heater provided to the circulation pipe to heat the heat medium; and a control device that controls the heat medium heater based on an ammonia concentration at an outlet of the denitration device. The control device causes the heat medium heater to heat the heat medium when the ammonia concentration is higher than a certain value.

A method for the control of nitrogen oxides content in the combustion fumes of a thermal power plant is disclosed; the method comprises the on-site production of ammonia by the steps of: electrolysis of water as a source of hydrogen; separation of air as a source of nitrogen, formation of a make-up gas and synthesis of ammonia in a suitable synthesis loop; said on-site produced ammonia, or a solution thereof, is used for a process of reduction of nitrogen oxides in the combustion fumes.

Devices, systems, facilities, and methods for post combustion capture of emissions from a natural gas generator used to power a data center disclosed herein. The facility includes a process for capturing and sequestering CO.sub.2 from a post combustion capture of the natural gas generator utilizing the heat from the flue gas and from the data center. The CO.sub.2 rich streams from the post combustion capture system are sent to sequestration of some form via a sequestration compressor, thereby reducing the overall emissions from the facility.

A flue gas condensation water extraction system includes a flue gas condensation-end system and a flue gas refrigeration source-end system. The flue gas condensation-end system includes a desulfurization absorption tower, a flue gas purification and condensation tower, and a condensed water storage tank. The flue gas purification and condensation tower is arranged above the desulfurization absorption tower. A flue gas outlet, a water inlet, and a water outlet are provided on the flue gas purification and condensation tower. The flue gas refrigeration source-end system includes a cooling tower. The water outlet is connected to the condensed water storage tank via a condensed water downcomer. The water inlet is connected to the cooling tower via a circulating water supply pipe. A condensation circulation water pump is provided on the circulating water supply pipe. The cooling tower is connected to the condensed water storage tank via a circulating water return pipe.

A method for removing noxious, hazardous, toxic, mutagenic, and/or carcinogenic compounds and/or precursor compounds from a comingled gas, liquid, and/or solid stream is described. In one embodiment, the method is used to prepare the stream for feeding to an oxidizer, such as a thermal oxidizer, to reduce the amount of particulate matter discharged by the oxidizer and includes passing the stream through an ambient or chilled temperature condenser followed by an optional gas/solid separator, and one or more gas scrubbers prior to feeding to the oxidizer.

The invention relates to an aeration system for seawater oxidation in flue gas purification devices, with at least one tubular diffuser (TD), covered by at least two perforated membranes (20), which are positioned one after the other and at a distance to each other in a direction of the central longitudinal axis (A) of the diffuser (TD) as well as at least one support member (SP), which encircles a membrane-free section (FS) of the tubular diffuser at least partially, and at least one sliding means (40), arranged between the support member (SP) and the membrane-free section (FS) of the tubular diffuser (TD).

An apparatus for thermal exhaust gas purification includes at least one thermal reactor to which a raw gas to be purified is supplied and in which the supplied raw gas is thermally purified, and an energy recovery apparatus to which a gas purified in the thermal reactor is supplied via at least one outlet line. For improving the balance of energy, it is proposed that the energy recovery apparatus includes at least one condensation heat exchanger in which the purified gas is cooled down such that condensable substances contained in the purified gas condense, and enthalpies released thereby are transmitted to a heat exchange medium and/or the raw gas upstream of the thermal reactor.

The invention relates to a method of capturing a sintered product after sintering a waste gas in a semiconductor manufacturing process and its capturing device. The method comprises providing aerosolized water molecules to be entered into a reaction chamber of a waste gas treatment tank; and capturing a product generated after a sintering reaction of the waste gas by diffusion distributing of the aerosolized water molecules, wherein, the aerosolized water molecules are diffusion distributed between a bottom edge of a waste gas reaction end in the reaction chamber and a tank wall surrounding the reaction chamber. The present invention further provides a device for capturing a sintered product for implementing the method. The object of the present invention is to solve problems saying that a semiconductor exhaust gas is processed by a high temperature sintering treatment, the generated SiO.sub.2 powders, the WO.sub.2 powders or the BO.sub.2 powders are extremely fine, the F.sub.2 gas is small molecules, and it is not easy to capture them during a rear stage water washing program.

A contaminated gas stream can be passed through an in-line mixing device, positioned in a duct containing the contaminated gas stream, to form a turbulent contaminated gas stream. One or more of the following is true: (a) a width of the in-line mixing device is no more than about 75% of a width of the duct at the position of the in-line mixing device; (b) a height of the in-line mixing device is no more than about 75% of a height of the duct at the position of the in-line mixing device; and (c) a cross-sectional area of the mixing device normal to a direction of gas flow is no more than about 75% of a cross-sectional area of the duct at the position of the in-line mixing device. An additive can be introduced into the contaminated gas stream to cause the removal of the contaminant by a particulate control device.