Abstract: A system for determining a concentration of hemoglobin A1C includes a first electrochemical test strip, the first electrochemical test strip providing for an HbA1C concentration; and a second electrochemical test strip, the second electrochemical test strip providing for the total amount of hemoglobin.

Abstract: Devices suitable for use in an advanced oxidation method for organic and inorganic pollutants deploying OH* radicals and ozone is disclosed. Optionally, a first discharge device, providing OH* radicals and second discharge device providing ozone, are combined to provide desirable chemical and biocidal characteristics. Further, efficient mixing systems for transferring the radicals to the target fluid are disclosed.

Abstract: A controller is configured to control an internal combustion engine. The controller is configured to execute a catalyst temperature-increasing control of increasing a temperature of the three-way catalyst device by introducing air-fuel mixture, which contains the fuel injected by a fuel injection valve, into an exhaust passage without burning the air-fuel mixture in a cylinder. The controller includes an air-fuel ratio control unit configured to control an air-fuel ratio of the air-fuel mixture during the execution of the catalyst temperature-increasing control such that the air-fuel ratio becomes a richer air-fuel ratio during a first period from a beginning of the catalyst temperature-increasing control to a specified air-fuel ratio switching timing than during a second period from the air-fuel ratio switching timing to a completion of the catalyst temperature-increasing control.

Abstract: An exhaust component for a motor vehicle with improved corrosion resistance, including a housing with outer walls that define an internal volume and one or more inner walls that divide the internal volume into an exhaust chamber and an interior chamber. The interior chamber is isolated from the exhaust chamber and the external environment. At least part of one outer wall or one inner wall is made of a diffusion surface alloyed metal sheet. The diffusion surface alloyed metal sheet comprises a secondary metal that is formed to a primary metal substrate by diffusion. The diffusion surface alloyed metal sheet includes edges that are oriented toward and exposed to the interior chamber. As a result, the primary metal substrate at the edges of the diffusion surface alloyed metal sheet is protected from exposure to corrosives such as salt spray in the external environment and urea in the exhaust chamber respectively.

Abstract: One object is to provide a useful aldehyde decomposition catalyst, and an exhaust gas treatment apparatus and an exhaust gas treatment method using the aldehyde decomposition catalyst that achieve low cost and sufficient aldehyde decomposition performance with a small amount of the catalyst. An aldehyde decomposition catalyst of the present invention is made of a zeolite in a cation form NH4 having a structure of CHA or MOR and carrying Cu.

Abstract: A method of wet-scrubbing a waste gas containing sulfur dioxide (SO2) to produce potassium thiosulfate. The wet-scrubbing facility includes multiple horizontally disposed stages where a preceding stage passes partially-scrubbed waste gas to a succeeding stage. Each stage has a scrubber mechanism to scrub waste gas with circulating fluid that progressively reduces SO2 in the waste gas before atmospheric discharge. The scrubber mechanism may optionally include a packing material to facilitate absorption of SO2 by the fluid, a sump disposed at the output of the stage to receive fluid as it drains from the packing, and a circulation pump to circulate fluid from the sump to its packing and to cascade at least a portion of the fluid back to a preceding stage. A portion of the fluid is extracted and reacted in a reaction vessel with a cation to produce potassium thiosulfate.

Abstract: A method for cleaning components of a gas turbine engine is presented. The method includes introducing a working fluid into a gas flow path or a cooling circuit defined by the one or more components of the gas turbine engine such that the working fluid impinges upon a surface of the one or more components of the gas turbine engine, wherein the working fluid includes a plurality of detergent droplets entrained in a flow of steam. A system for cleaning components of a gas turbine engine are also presented.

Abstract: An exhaust gas post-processing system according to an embodiment of the present invention includes: an exhaust flow path for moving an exhaust gas discharged from an engine; at least one aftertreatment device installed on the exhaust flow path and purifying the exhaust gas; a burner installed on the exhaust flow path and heating the exhaust gas upstream of the at least one aftertreatment device; a fuel supplier for supplying a fuel to the burner; and an air supply flow path for supplying an air to the burner. The air supply flow path supplies a part of the exhaust gas discharged from the engine as the air to the burner.

Abstract: A food-grade, all-natural cold storage anti-bacterial filter is disclosed. The filter may control moisture, gaseous contaminates, mold, and bacteria within a cold storage unit; improve food safety; and improve the life of cold storage equipment. Reduced food spoilage, reduced energy usage, and increased cold storage shelf life may result from use of the filter. The filter includes a mixture of effective amounts of a base mineral, hygroscopic plant botanicals, and anti-bacterial plant botanicals, wherein the mixture is disposed in an FDA-approved food grade material.

Abstract: A method for improving effectiveness of a steam generator system includes providing air to an air preheater at a mass flow such that the air preheater has a cold end outlet temperature defined by the improved air preheater operating with increased heat recovery (HR) of at least 1% calculated according to the equation: HR=100%×((Tgi?TgoAdvX)/(Tgi?TgoSTD)?1). The method requires either reducing the amount of heat that flows into the air preheater from the flue gas and/or increasing the amount of heat extracted from the flue gas. The method includes mitigating SO3 in the flue gas which is discharged directly from the air preheater to a particulate removal system and then directly into a flue gas desulfurization system.

Abstract: Cooking apparatus comprises an oven. The oven comprises a cooking chamber, a heated air source, a flue, and a baffle. The cooking chamber extends between the heated air source and the flue, thereby defining, in use, a heated air flow path between said heated air source and said flue. The baffle is reversibly deployable in said heated air flow path to deflect heated air, thereby causing recirculation of heated air within the cooking chamber.

Abstract: An engine control system and method of controlling an engine system are provided. The engine control system includes at least one sensor module configured to generate an exhaust condition signal based on a determined condition in an exhaust component and a cylinder bank control module communicatively coupled to the at least one sensor module. The cylinder bank control module is configured to cause transmission of a first bank control signal to cause a first bank of cylinders of an engine to deactivate at least in part in response to a determination based on the exhaust condition signal that a hydrocarbon mass quantity is above a pre-determined hydrocarbon mass quantity threshold.

Abstract: An exhaust gas sensing system includes a channel for flow of exhaust gas, a first directional antenna, a second directional antenna, a first transmitter, a first receiver, and signal processing circuitry. The first directional antenna and the second directional antenna are disposed in the channel. The first transmitter is coupled to the first directional antenna. The first receiver is coupled to the second directional antenna. The signal processing circuitry is coupled to the first transmitter and the first receiver.

Abstract: Technologies for producing an exhaust gas stream with controlled hydrocarbon species are disclosed. In some embodiments the technologies include an apparatus for producing an exhaust gas stream. The apparatus may include a burner for combusting primary fuel and produce an exhaust gas stream, and an exhaust pipe coupled to the burner to receive the exhaust gas stream. One or more supplemental fuel inlets may be coupled to the exhaust gas pipe for the addition of supplemental fuel to the exhaust gas stream. In embodiments, the speciation and total concentration of hydrocarbon compounds in the exhaust gas stream may be adjusted by controlling the relative amount of supplemental fuel added to the exhaust gas stream. Methods for producing an exhaust gas stream are also disclosed.

Abstract: A multifunctional air purifying device for removing indoor pollution by a thermal decomposition method comprises an air treatment unit and an air collection heater. The air collection heater is provided with an infrared lamp tube and an ultraviolet lamp tube. An annular water tank is arranged on an inner side of the upper part of the air treatment unit. A filter screen runs through the annular water tank and is connected with an air cap, and a fan is provided at a joint between the filter screen and the air cap. The filter screen includes an early effect filter screen, a HEPA filter screen, an activated carbon filter screen and a cold catalyst filter arranged in that order from a bottom to a top. A humidifier connects the annular sink and a nozzle located at an exhaust port.

Abstract: Embodiments of the present disclosure relate to gas abatement apparatus and effluent management. The apparatus described herein include a high pressure process chamber and a containment chamber surrounding the process chamber. A high pressure fluid delivery module is in fluid communication with the high pressure process chamber and is configured to deliver a high pressure fluid to the process chamber. An effluent management module includes a muffler assembly to effluent pressure reduction and a plurality of scrubbers provide for treatment of effluent.

Abstract: A method and device for measuring blood glucose are provided. The device includes a strip receiving part having a plurality of pins therein, the pins being arranged in such a manner that at least one of the pins contacts at least one electrode formed in a blood glucose measurement strip when the blood glucose measurement strip is inserted into the strip receiving part; and a controller configured to identify a type of the blood glucose measurement strip inserted into the strip receiving part and to control application of a testing voltage configured in response to the identified type of the blood glucose measurement strip to each pin of the strip receiving part.

Abstract: Embodiments of methods for capturing high-purity CO2 in a hydrocarbon facility and related systems are provided. The method comprises operating a hydrogen plant to generate a high-purity hydrogen stream and a CO2 rich stream with a CO2 concentration above 30%; introducing the high-purity hydrogen stream into an anode of a molten carbonate fuel cell; introducing the CO2 rich stream and O2 into a cathode of the molten carbonate fuel cell; reacting CO2 and O2 within the cathode to produce carbonate and a cathode exhaust stream from a cathode outlet; reacting carbonate from the cathode with H2 within the anode to produce electricity and an anode exhaust stream from an anode outlet, the anode exhaust stream comprising CO2 and H2O; separating the CO2 in the anode exhaust stream in one or more separators to form a pure CO2 stream and a H2O stream; and collecting the pure CO2 stream.

Abstract: Finely atomized alkaline sorbent salt solutions are injected into a hot flue gas stream to remove SO2. Flash evaporation of the droplets produces very fine dried sorbent particles, which react efficiently with SO2 in the flue gas. The liquid sorbent may be sodium carbonate, sodium hydroxide, sodium sulfite, potassium carbonate, potassium hydroxide or the like. In a coal-fired boiler, the liquid sorbent may be injected after the economizer section, where the flue gas temperature is below 850° F., and upstream of a particulate collection device. The dried sorbent particles react with SO2 and then are removed from the flue gas stream in the particulate collection device, producing a cleaned flue gas stream.

Abstract: In a porous body, a surface layer thickness Ts takes a relatively small value satisfying P?0.54 Ts (formula (1)), the surface layer thickness Ts being derived by a microstructure analysis using the porous-body data that is prepared through three-dimensional scanning of a region including a surface (inflow plane 61) of the porous body. Here, P denotes a porosity [%] of the porous body, and 0%<P<100% and 0 ?m<Ts are assumed. The surface layer thickness Ts is derived as a distance in a thickness direction (X direction) between a surface-layer region start plane 92 in which a straight-pore opening ratio becomes 98% or less for the first time and a surface-layer region end plane 93 in which the straight-pore opening ratio becomes 1% or less for the first time.

Abstract: There is provided: a NOx-occlusion-reduction-type catalyst 32 that is provided in an exhaust passage 13 of an internal combustion engine 10; a NOx purge control unit 60 that performs a NOx purge control of setting the exhaust in the rich state and reducing and purifying NOx occluded in the NOx-occlusion-reduction-type catalyst 32; and a NOx purge inhibition processing unit 70 that inhibits NOx purge control when the internal combustion engine 10 becomes a motoring state in which fuel injection is stopped, and inhibiting, when the internal combustion engine 10 has started fuel injection during the inhibition of the NOx purge control, performance of the NOx purge control from the start of the fuel injection until a predetermined period of time has elapsed.

Abstract: A substrate processing apparatus includes a processing unit supplying at least one of a plurality of types of chemical liquids to a substrate and a scrubber cleaning an exhaust by bringing the exhaust in contact with a scrubbing liquid. The scrubber includes an exhaust passage that guides the exhaust, generated at the processing unit and containing the chemical liquid, toward an exhaust equipment disposed outside the substrate processing apparatus and a discharger that is able to discharge each of a plurality of types of scrubbing liquids that clean the exhaust individually inside the exhaust passage. A controller selects any one of the plurality of types of scrubbing liquids based on the type of chemical liquid contained in the exhaust and makes the selected scrubbing liquid be discharged from the discharger.

Abstract: A catalyst oxygen purge control method may include a catalyst oxygen purge control method during a cold engine period of a catalyst oxygen purge control apparatus which includes a three way catalytic converter through which an exhaust gas combusted when air and fuel are mixed in a combustion chamber is exhausted and the exhaust gas passes, wherein the method includes determining whether a fuel cut condition of an injector which injects the fuel to the combustion chamber is satisfied, performing fuel cut of the injector when the fuel cut condition is satisfied, measuring an oxygen storage capacity of the three way catalyst, and adjusting an oxygen purge time based on the measured oxygen storage capacity.

Abstract: Systems and methods according to the principles of the present disclosure include determining whether a volatile organic compound (VOC) characteristic within a cabin of a vehicle exceeds a predefined volatile organic compound threshold. Systems and methods can also include causing a blower of a Heating, Ventilation, and Cooling (HVAC) system of the vehicle to generate an airflow within the cabin for a predefined time period, an air distribution mode of operation to transition from a non-operational state to an operational state, cause an air intake mode of operation to transitions from a non-operational state to an operational state, or causing at least one window of the vehicle to transition from a closed position to an open position for the predefined time period when the volatile organic compound characteristic exceeds the predefined volatile organic compound threshold to reduce volatile organic compounds within the vehicle.

Abstract: Methods and systems are provided for an emission control device that includes a particulate filter with a bypass. In one example, a method includes bypassing the particulate filter when the exhaust gas has a decreased soot load and when the particulate filter has a decreased soot storage. The method further includes reducing the filter bypass flow and terminating or adjusting a deceleration fuel shut-off operation due to an exhaust temperature proximate to the particulate filter being above a threshold.

Abstract: A system for relocating polluted air includes a tubular chamber with an inlet at one end, an outlet at a end, and auxiliary venturi inlets between the inlet and the outlet. There is at least one fan arranged within the tubular chamber. The fan flows air from outside of the tubular chamber, through the tubular chamber and out of the tubular chamber through the outlet. A compression chamber compresses air before entering the heating chamber. There is at least one heating element within the heating chamber. The heating element(s) heat the air, thereby increasing the velocity of the air through the tubular chamber. The air exits the tubular chamber through the outlet, directed vertically and upward towards upper strata of the atmosphere to redirect the air (and pollutants) into the upper strata of the atmosphere. In some embodiments, filters and scrubbers are provided within the tubular chamber for reducing pollutants.

Abstract: There is provided an exhaust gas purification system including: a NOx storage-reduction catalyst that is provided in an exhaust system of an internal combustion engine to reduce and purify NOx in exhaust gas; a degree of deterioration estimation module 120 for estimating a degree of deterioration of the NOx storage-reduction catalyst; a regeneration control unit 100 for executing a regeneration process in which exhaust gas is enriched so as to restore a NOx storage capacity of the NOx storage-reduction catalyst; an interval setting module for setting a target interval from an end of the regeneration process to a start of the subsequent regeneration process by the regeneration control unit; and an interval target value correction module for correcting the target interval based on the degree of deterioration that is estimated by the degree of deterioration estimation module.

Abstract: A method for improving effectiveness of a steam generator system includes providing air to an air preheater in excess of that required for combustion of fuel and providing the air at a mass flow such that the air preheater has a cold end metal temperature that is no less than a water dew point temperature in the air preheater and such that the cold end metal temperature is less than a sulfuric acid dew point temperature. The method includes mitigating SO3 in the flue gas which is discharged directly from the air preheater to a particulate removal system and then directly into a flue gas desulfurization system. Flue gas reheat air is fed from the air preheater to heat the flue gas prior to entering a discharge stack to raise the temperature of the flue gas to mitigate visible plume exiting and to mitigate corrosion in the discharge stack.

Abstract: Method and apparatus for measuring catalytic reactivity in diagnosing a gas-permeable object, such as a catalyst or a filter, that has been removed from an exhaust gas tract connected downstream of an internal combustion engine of, motor vehicle. The method includes applying, through an opening in a device, a test medium with a defined composition, to a front face of the removed object; and measuring, at a position located, with respect to a flow direction of the test medium, downstream of the front face, at least of: a concentration of at least one reduced or oxidized constituent of the test medium after passage of the test medium through the gas-permeable object; and a temperature of the object after the test medium is applied to the gas-permeable object.

Abstract: A parallel passage fluid contactor structure for chemical reaction processes has one or more segments, where each segment has a plurality of substantially parallel fluid flow passages oriented in an axial direction; cell walls between each adjacent fluid flow passages and each cell wall has at least two opposite cell wall surfaces. The structure also includes at least one active compound in the cell walls and multiple axially continuous conductive filaments either embedded within the cell walls or situated between the cell wall surfaces. The conductive filaments are at least one of thermally and electrically conductive, are oriented in axially, and are in direct contact with the active compound, and are operable to transfer thermal energy between the active material and the conductive filaments. Heating of the conductive filaments may be used to transfer heat to the active material in the cell walls. Methods of manufacturing the structure are discussed.

Abstract: A catalyst subassembly for a device for purifying exhaust gases from an internal combustion engine, in particular a diesel engine, includes an SCRF catalyst and an SCR catalyst upstream of the SCRF catalyst. The two catalysts are arranged in a common catalyst housing. The catalyst housing, the SCRF catalyst and the SCR catalyst can be selected from a modular system for different variants of the internal combustion engine.

Abstract: There is provided a catalytic converter that offers high exhaust gas cleaning performance by effectively utilizing a whole catalyst that constitutes the catalytic converter. In a catalytic converter (10), catalytic layers (2A, 2B) made of a noble metal catalyst are formed on cell wall surfaces of a substrate (1) having a cell structure, and the catalytic layers (2A, 2B) extend in a longitudinal direction of the substrate (1) along which gas flows. The substrate (1) has a central region (1A) having a relatively high cell density and a peripheral region (1B) having a relatively low cell density. The length of each of the catalytic layers (2B) in the longitudinal direction in the peripheral region (1B) is longer than the length of each of the catalytic layers (2A) in the longitudinal direction in the central region (1A).

Abstract: A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 50-60%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) pore diameters at cumulative pore volumes corresponding to particular percentages of the total pore volume being within specific ranges and having specific relationships; and (ii) the difference between a logarithm of the pore diameter at a cumulative pore volume corresponding to 20% of the total pore volume and a logarithm of the pore diameter at 80% being 0.39 or less, and its production method.

Abstract: Deterioration of a selective catalytic reduction (SCR) catalyst can be diagnosed with sufficient accuracy, by making use of a sensor for measuring an air fuel ratio of exhaust gas flowing into an exhaust gas purification apparatus, which is equipped with the SCR catalyst, and a sensor for measuring an air fuel ratio of exhaust gas flowing out from the exhaust gas purification apparatus.

Abstract: An exhaust purification system includes: a diesel oxidation catalyst (DOC) provided on an exhaust path of an engine; an upstream diesel particulate filter (DPF) and a downstream DPF that are provided on the exhaust path at positions downstream of the DOC to collect particulate matter contained in exhaust gas; electrodes that detect a capacitance of the upstream DPF; a particulate matter accumulation estimating unit that estimates at least an amount of particulate matter accumulated in the downstream DPF on the basis of the capacitance received from the electrodes; and a forced regeneration control unit that injects fuels into the DOC and performs forced regeneration that burns and removes at least the particulate matter accumulated in the downstream DPF when the estimated amount of particulate matter from the particulate matter accumulation estimating unit surpasses a predetermined amount.

Abstract: In embodiments, an exhaust gas purification apparatus and method for an internal combustion engine initializes a SCR catalyst by heating the SCR catalyst under predetermined conditions without accompanying troublesome procedures and complicated calculations. With the exhaust gas purification apparatus for an internal combustion engine, arranged on an exhaust-gas passage of the internal combustion engine and including the SCR catalyst for purifying NOx in exhaust gas in the internal combustion engine, the method calculates and accumulates estimated values of NH3 adsorption adsorbed on the SCR catalyst, on the basis of the amount of NH3 injection from urea-aqueous solution injected into the exhaust-gas passage from the upstream side of the SCR catalyst and the amount of NH3 injection for purifying NOx at the upstream side of the SCR catalyst, and initializing the SCR catalyst by heating the SCR catalyst to initialize the estimated value of NH3 adsorption.

Abstract: An exhaust device of an engine, with an exhaust path to lead exhaust gas discharged from the engine to outside, the exhaust device comprising: an exhaust heat collector being configured to collect heat from the exhaust gas, and a cooling part being configured to cool down the exhaust heat collecting part from an outer peripheral side via a cooling fluid; and an exhaust gas flow controlling member in a cylindrical shape, comprising an inlet part and an outlet part where the inflow of the exhaust gas is discharged to an upstream side of the exhaust heat collecting part. An opening diameter of the outlet part is arranged to be smaller than an outer diameter of the exhaust heat collecting part. The exhaust gas flow controlling member is placed so that an open end of the outlet part opposes a central portion of an upstream end plane of the exhaust heat collecting part. The open end of the outlet part and the upstream end plane of the exhaust heat collecting part are a predetermined distance apart.

Abstract: An exhaust emission control system of an internal combustion engine may include a filter, a temperature raising device, a differential pressure detecting device, and an electronic control unit. The filter may include a first region as a part of the filter, and a second region as another part of the filter. The electronic control unit may be configured to calculate a first deposition amount such that a calculated deposition amount is larger as a proportion of a magnitude of the first differential pressure reduction amount to the length of the first oxidation period is larger. The electronic control unit may be configured to calculate an amount of the particulate matter deposited in the second region based on a length of the second oxidation period and a second differential pressure reduction amount.

Abstract: Methods and systems are provided for a HC trap in a bypass passage. In one example, a method may include closing a diverter valve to flow exhaust gas from a main exhaust passage to the bypass passage during a cold-start.

Abstract: A connection pipe (7), for the fluidic connection of a muffler housing (5) of an active muffler (4) with an exhaust gas-carrying pipe (3) of an exhaust line (2) of an exhaust system (1) for an internal combustion engine, of a motor vehicle, has a pipe wall (8), which envelopes a connection space (9) leading from the muffler housing to the exhaust pipe. A cooling pipe (14), through which a coolant can flow, has an inlet section (15) and an outlet section (16) and is arranged in the connection space. The inlet section (15) passes through the pipe wall (8), whereby a coolant inlet (17), through which coolant can enter the cooling air pipe, is arranged outside the connection pipe (7). The outlet section passes through the pipe wall, whereby a coolant outlet (19), through which coolant can escape from the cooling pipe, is arranged outside the connection pipe (7).

Abstract: The present invention relate to a binderless molecular sieve catalyst and a process for preparing the same, which are mainly useful for solving the problems of the current catalysts, such as lower activity, less pore volume and worse diffusivity. The present invention relates to a novel binderless molecular sieve catalyst, comprising, based on the weight of the catalyst, 90-100 wt. % of a molecular sieve, 0-10 wt. % of a binder, and 0-10 wt. % of an anti-wear agent, wherein said catalyst has a pore volume of 0.1-0.5 ml/g, an average pore diameter of 50-100 nm, and a porosity of 20-40%; the anti-wear agent is selected from the rod or needle-like inorganic materials having a length/diameter ratio of 2-20. Said catalyst has the advantages of higher activity, greater pore volume, larger average pore diameter and porosity, and better diffusivity, and well solves said problems and can be used for the industrial preparation of binderless molecular sieve catalysts.

Abstract: Provide is a catalytic converter including a substrate which includes regions having different cell densities, in which exhaust gas purification performance is superior in all the regions of the substrate. A catalytic converter 10 includes catalyst layers in which a noble metal catalyst is supported on a support in surfaces of cell walls 2 of a substrate 1 having a cell structure in a longitudinal direction of the substrate 1 in which gas flows, in which the substrate 1 has a first region 1A having a relatively high cell density and a second region 1B having a relatively low cell density, and a ratio of a thickness of a catalyst layer 3A in the second region 1B to a thickness of a catalyst layer 3 in the first region 1A is in a range of more than 0.95 times and 1.2 times or less.

Abstract: An exhaust system for a compression ignition engine comprising: a water adsorbent material; and a catalyst composition for treating an exhaust gas pollutant produced by the compression ignition engine; wherein the water adsorbent material is: (i) arranged to contact exhaust gas from the compression ignition engine before the catalyst composition; and (ii) in thermal communication with the catalyst composition.

Abstract: A motor vehicle emission control system includes a three zone catalytic converter component having a honeycomb support body with catalytically active coating having a precious metal content applied on the channel walls. The first coating zone extends in the longitudinal direction from the inlet-side end to a first coating boundary and has a first precious metal content. The second coating zone extends in the longitudinal direction from the first coating boundary to a second coating boundary situated downstream from the first coating boundary and has a second precious metal content that is lower than the first precious metal content. The third coating zone extends from the second coating boundary to the outlet-side end and has a third precious metal content that is lower than the second precious metal content. The coating has oxidation catalyst activity and is free of rhodium.

Abstract: Disclosed is an active carbon that includes micropores having a diameter of about 0.5 nm to about 0.8 nm in a content of about 70 vol % to about 90 vol % based on the total volume of the total pores, and has a nitrogen-containing functional group introduced on the surface thereof. Moreover, disclosed is a method for preparing active carbon. The method may include steps of: forming a reaction mixture including a carbon precursor, an alkali salt, and an organic compound including a nitrogen-containing functional group; and heating the reaction mixture to a temperature of about 800° C. to about 1000° C. in the presence of nitrogen gas.

Abstract: Systems and methods are provided for managing low temperature NOx and HC emissions, such as during a cold start of an internal combustion engine. The systems and methods include storing NOx and HC emissions at low temperatures and passively releasing and treating these emissions as the temperature of the exhaust system increases.

Abstract: A ceramic honeycomb structure including large numbers of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 55-65%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) pore diameters at cumulative pore volumes corresponding to specific percentages of the total pore volume being within specific ranges and satisfying specific relationships; (ii) the difference of a logarithm of the pore diameter at a cumulative pore volume corresponding to 20% of the total pore volume and a logarithm of the pore diameter at 80% being 0.39 or less; and (iii) the volume of pores of more than 100 ?m being 0.05 cm3/g or less.

Abstract: An aftertreatment system comprises a liquid exhaust reductant tank. A heat exchanger is positioned downstream of the preheater. The heat exchanger heats the liquid exhaust reductant to a second temperature. The second temperature is sufficient to decompose the liquid exhaust reductant and produce ammonia gas. A storage tank is positioned downstream of the heat exchanger and is structured to store the ammonia gas at a predetermined pressure. The aftertreatment system also includes a selective catalytic reduction system positioned downstream of the storage tank. The aftertreatment system can also include a preheater positioned downstream of the liquid exhaust reductant tank and upstream of the heat exchanger.

Abstract: The invention provides a system for regenerative air purification and a method thereof. The system includes a set of gas sensors, a processor, an adsorption gas filters with TiO2 (or TiO2 mixed activated carbon material) coated on the outer surface, a set of auto valves, a set of UV lamps, and a heater near the adsorption filter. The processor is configured to receive input data from the gas sensors and to control the system. During an air cleaning phase, the air is ventilated through the adsorption filter and VOCs are trapped therein. During a regenerative phase, the UV lamps and heater are turned on and the adsorption filter media will be cleaned up via the combined approaches including the heating of the heater, photo-catalytic oxidation and a reversed air flow.

Abstract: The invention provides a system for regenerative air purification and a method thereof. The system includes a set of gas sensors, a processor, an adsorption gas filters with TiO2 (or TiO2 mixed activated carbon material) coated on the outer surface, a set of auto valves, a set of UV lamps, and a heater near the adsorption filter. The processor is configured to receive input data from the gas sensors and to control the system. During an air cleaning phase, the air is ventilated through the adsorption filter and VOCs are trapped therein. During a regenerative phase, the UV lamps and heater are turned on and the adsorption filter media will be cleaned up via the combined approaches including the heating of the heater, photo-catalytic oxidation and a reversed air flow.