Abstract: An isolator system including: a body case; a sterilizing unit; an air conditioning unit; a display unit; a control unit; and a storage unit, the control unit being configured to, after startup, confirm whether a concentration of a sterilizing substance in a work area is equal to or less than a predetermined concentration, or not, and when the concentration of the sterilizing substance exceeds the predetermined concentration, store a high concentration flag in the storage unit, and thereafter, check an operation of the air conditioning unit, if there is no problem with the operation of the air conditioning unit, confirm whether the flag is stored, and when the flag is stored, operate the air conditioning unit for a predetermined time period, to lower the concentration of the sterilizing substance, and when the flag is not stored, end check of the operation of the air conditioning unit.

Abstract: The present invention discloses a continuous calcination vessel which can be used to prepare calcined chemically-treated solid oxides from solid oxides and chemically-treated solid oxides. A process for the continuous preparation of calcined chemically-treated solid oxides is also provided. Calcined chemically-treated solid oxides disclosed herein can be used in catalyst compositions for the polymerization of olefins.

Abstract: A hot melt adhesive material dispensing system comprises two separate and independent rotary, gear-type metering pumps, or two separate and independent sets of pumps, which are able to output precisely metered amounts of hot melt adhesive material. The hot melt adhesive materials discharged are able to be independently outputted through suitable output devices onto a substrate to result in different outputted volumes of the hot melt adhesive material in accordance with predeterminedly desired patterns, or at predeterminedly desired locations. The hot melt adhesive materials may also have their volumetric outputs combined such that the discharged or outputted volumes of the hot melt adhesive material onto the substrate may be, for example, twice the outputted volumes of the hot melt adhesive outputted onto the substrate from only one of the two pumps, or from only one of the two pumps.

Abstract: A flue gas desulfurization according to the present invention includes a desulfurization absorber that removes SOx and dust contained in flue gas, spray pipes that are provided in the desulfurization absorber, an absorbent feeding means that feeds an absorbing-agent-slurry containing absorbent, in which limestone is used as an absorbing agent, into the desulfurization absorber, nozzles that are provided in the spray pipe to spray the absorbent into the desulfurization absorber, an alkaline-agent feeding means that feeds an alkaline-agent containing solution into the desulfurization absorber, and an waste-water discharge pipe for discharging filtrate obtained by solid-liquid separating the absorbent discharged from the desulfurization absorber as waste water. A feed amount of the alkaline-agent containing solution into the desulfurization absorber is adjusted based on a discharge amount of the waste water.

Abstract: A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer and an empirical model. During a transition, the empirical model predicts a required amount based upon an initial concentration and a selected ending concentration, the flow meter measures a flow rate, the totalizer determines a totalized amount when the flow rate of the first stream reaches the required amount based upon the measured flow rate and outputs the totalized amount to the empirical model, and the empirical model compares the required amount to the totalized amount and determines a transition endpoint. A method of rapidly transitioning the reactor system from one polyolefin product to another is also disclosed.

Abstract: The invention relates to a process for producing a lithium-containing solution from a lithium-containing raw-material solution, by: a) precipitating a first part of magnesium and calcium from the lithium-containing raw-material solution, b) extracting a second part of calcium and magnesium from the lithium-containing solution by liquid-liquid extraction, a resultant product being a lithium-containing solution. The invention also relates to equipment for producing a lithium-containing solution from a lithium-containing raw-material solution, including a precipitation unit to remove a first part of magnesium and calcium and an extraction unit to receive the lithium-containing raw-material solution and to remove therefrom a second part of calcium and magnesium by liquid-liquid extraction, and control unit to control the operation of the precipitation unit.

Abstract: An exhaust gas purification apparatus for an internal combustion engine is designed to prevent a decrease in the accuracy of measurement by a PM sensor (17). The apparatus includes an NOx catalyst (7) provided in an exhaust passage (3) of an internal combustion engine (1) to reduce NOx by reducing agent supplied to it, a supplying device (6) that supplies urea to the NOx catalyst (7) from the upstream of the NOx catalyst (7), the PM sensor (17) that detects the amount of particulate matter in the exhaust gas in the downstream of the NOx catalyst (7), and a restriction part (10) that restricts supply of urea by the supplying device (6) when the amount of particulate matter adhering to the NOx catalyst (7) is equal to or larger than a threshold.

Abstract: The apparatus includes: a hydrogen generation container provided with a magnesium-based hydride accommodation part accommodating magnesium-based hydride; a reaction water tank storing water or an aqueous solution; the pipes connected to the reaction water tank and the hydrogen generation container; a pump operating such as to suction water or the aqueous solution from the reaction water tank and then exhaust it through the pipes to the hydrogen generation container; a pressure gauge measuring the pressure in the inside of the hydrogen generation container; and a control unit, on the basis of the pressure value of the pressure gauge, controlling the amount of water caused to flow through the pipes by the pump.

Abstract: A sterilization apparatus is disclosed for sterilization of objects. The sterilization apparatus includes a chamber for receiving the objects, the chamber including a sterilization medium inlet and outlet; an inlet flow control device for controlling a supply of a sterilization medium to the chamber; a drain system for controllable discharge of fluid from the chamber; and a control unit configured to control the inlet flow control device and drain system in accordance with a sterilization scheme. The drain system includes: a drain inlet connected to the sterilization medium outlet; a drain outlet connected to a vacuum system for evacuating the chamber; a first conduit connecting the drain inlet and outlet; and a proportional valve, arranged along the first conduit, controllable by the control unit to partly restrict fluid flow through the first conduit according to a continuous relation between a control parameter and a valve opening of the proportional valve.

Abstract: Reductant delivery systems are disclosed that include a dry reductant source and a liquid reductant source which are operable to selectively provide gaseous reductant and liquid reductant to an exhaust aftertreatment system for treatment and reduction of NOx emissions. The gaseous reductant is provided to the exhaust aftertreatment system for treatment of NOx emissions under a first temperature condition associated with the exhaust system and the liquid reductant for treatment of NOx emissions under a second temperature condition associated with the exhaust system.

Abstract: Disclosed is a boron recovering device including: an aeration-type water-channel reactor including a water channel; at least one aeration unit disposed in the water channel and aerating a boron-containing solution by passing it through the water channel to deposit boron in the form of borax; and a precipitation bath precipitating the deposited borax in the boron-containing solution having passed through the aeration-type water-channel reactor and separating a filtrate by overflowing, a boron recovering device, a method of recovering boron, and a boron recovering system.

Abstract: A method is disclosed for controlling regeneration in a diesel engine after-treatment system having a diesel oxidation catalyst (DOC) and a diesel particulate filter (DPF). The method includes injecting an amount of fuel into an exhaust gas flow upstream of the DOC to superheat the gas flow and assessing a rate of the warm-up of the DOC. The method also includes determining, in response to the assessed rate of the warm-up of the DOC, an amount of catalyst substance available in the DOC for catalyzing the exhaust gas flow. The method additionally includes reducing the amount of fuel injected into the DOC such that the determined available amount of catalyst substance is utilized in the DOC for catalyzing the exhaust gas flow and a predetermined amount of fuel is permitted to slip through the DOC to maintain regeneration temperature in the DPF. A system and a vehicle are also disclosed.

Abstract: A method for metering reducing agent to an exhaust gas treatment device having a feed point and an SCR catalytic converter converting nitrogen oxide compounds in the exhaust gas, includes at least: a) calculating the following target conversion rates indicating what fraction of the nitrogen oxide compounds in the exhaust gas can be converted by the catalytic converter: a first rate determined from the power output of an internal combustion engine; a second rate determined from the mass flow of nitrogen oxide compounds in purified exhaust gas; and a third rate determined from a ratio of quantities of nitrogen oxide compounds upstream and downstream of the catalytic converter; b) selecting the lowest rate; c) determining the dosing quantity of reducing agent for the selected rate; and d) dosing the determined dosing quantity into the exhaust gas treatment device. An exhaust-gas treatment device and a motor vehicle are also provided.

Abstract: Reactor vessels with pressure and heat transfer features for producing hydrogen-based fuels and structural elements, and associated systems and methods. A representative reactor system includes a first reaction zone and a heat path, a reactant source coupled to the first reaction zone, and a first actuator coupled to cyclically pressurize the first reaction zone. A second reaction zone is in fluid communication with the first, a valve is coupled between the first and second reaction zones to control a flow rate therebetween, and a second actuator is coupled in fluid communication with the second reaction zone to cyclically pressurize the second reaction zone. First and second heat exchangers direct heat from products to reactants in the reaction zones. A controller controls the first and second actuators in a coordinated manner based at least in part on a flow rate of the second product from the second reaction zone.

Abstract: Dry processes, apparatus, compositions and systems are provided for reducing emissions of mercury and optionally sulfur oxides and/or HCl. In an embodiment the copper-based mercury remediation composition comprises a copper ammonium complex having an empirical formula of C2H7CuNO2 or any of the other materials described, which include compositions defined by the formula Cu(NH3)x(lower carboxylate)y, wherein the lower carboxylate is selected from the group consisting of formate, acetate and propionate, x is an integer from 0 to 4, y is an integer from 0 to 2, and x+y is equal to or greater than 1. Sulfur oxides and/or HCl can be additionally reduced by introduction of dolomite hydrate sorbent, and additional mercury remediation chemicals as manganese oxides can be employed. The treated gas stream is treated with a particulate removal device.

Abstract: System, apparatus, and methods are disclosed for reductant dosing in an exhaust aftertreatment system. A dynamic flow rate and injection duration of a reductant injected from a reductant dosing system to the exhaust aftertreatment system is controlled in response to a dosing command when the exhaust system is operating in a low temperature operating condition.

Abstract: An ammonia generating and delivery apparatus generating ammonia by heating a precursor material with a heating device controlled by a temperature pulse controller which receives commands from a pressure controller, and delivering ammonia with a flow rate controlled by a three-stage PWM controller. The temperature pulse controller is used in a first feedback loop to create a temperature pulse sequence at a surface of the heating device. A pressure controller in a second feedback loop provides duty-cycle commands to the temperature pulse controller, while in delivering ammonia, effects of pressure variation to delivery accuracy are compensated in the three-stage PWM controller, which includes a flow-rate feedback loop. The ammonia generating and delivery apparatus can also include two containers, in which the precursor material in one container is charged and discharged according to the capability of the other container in generating ammonia.

Abstract: A urea injection controller for a motorized system includes a passive regeneration model configured and disposed to calculate an amount of NOx conversion resulting from an interaction between exhaust gases and soot entrained in a selective catalyst reduction filter (SCRF) device, a replenishment mode trigger module configured to set an ammonia replenishment request based on the passive regeneration model, and a replenishment control module configured to selectively activate a urea injector to discharge a particular amount of urea based on the regeneration model.

Abstract: A hydrotreater reactor device includes a reactor chamber including a first bed and a second bed. A first input is disposed to provide a hydrocarbon stream to the first bed and a second input is disposed to bypass the first bed and provide a hydrocarbon stream to the second bed. A differential temperature controller measures a temperature difference across the first bed. A control valve at the second input adjusts an amount of the hydrocarbon stream admitted through the second input based on the measured temperature difference. A charge heater provides a hydrocarbon stream as an output through a split output line having a first branch connected to the first input and in fluid communication with the first bed, and a second branch connected to the second input and in fluid communication with the second bed. A restrictor downstream of the split controls a pressure drop at the first input.

Abstract: A dosing control system for an exhaust system includes: a reductant fluid tank operable to contain a reductant solution comprising urea; an injector disposed in operable communication between a reductant tank and an SCR apparatus, the injector being operable to inject the reductant solution from the reductant tank into a flow of exhaust upstream of the SCR apparatus; a urea quality sensor (UQS) configured and disposed to sense a concentration of the urea in the reductant solution; and, a control module disposed in signal communication with the UQS and in operable communication with the injector, the control module being operable to adjust a dosing of the reductant solution injected by the injector based on a concentration of the urea in the reductant solution.

Abstract: Methods related generally to the removal of atmospheric pollutants from the gas phase, are provided, as well as related apparatus, processes and uses thereof. A single-stage air scrubbing apparatus is provided that includes at least one reaction vessel, at least one introduction duct, and a turbulence component, wherein a residence time is sufficient to allow the conversion of at least one atmospheric pollution compound to at least one other compound, molecule or atom. In some embodiments, the at least one atmospheric pollution compound comprises nitrogen oxide, sulfur oxide or a combination thereof. Additionally, methods of removing atmospheric pollution compounds from a waste gas stream are disclosed that include introducing a waste gas stream and at least one additional gas stream, mist stream, liquid stream or combination thereof into a single-stage air scrubbing apparatus at a flow rate sufficient to allow for conversion of the at least one atmospheric pollution compound.

Abstract: A system includes a selective catalytic reactor and a bypass line. The selective catalytic reactor is located downstream of a furnace that generates flue gases. The selective catalytic reactor reduces nitrogen oxides to nitrogen. The bypass line is in fluid communication with the selective catalytic reactor. The bypass line contacts an input line to the selective catalytic reactor-, where the bypass line is adapted to handle a volume of flue gases diverted from the selective catalytic reactor. A first control damper is disposed at an inlet to the selective catalytic reactor; and a second control damper is disposed at an inlet to the bypass line. The first control damper and the second control damper interact to divide the flue gas stream between the selective catalytic reactor and the bypass line in a ratio to reduce the amount of sulfur trioxide released from the system to a desirable value.

Abstract: A control system for optimizing a chemical loop system includes one or more sensors for measuring one or more parameters in a chemical loop. The sensors are disposed on or in a conduit positioned in the chemical loop. The sensors generate one or more data signals representative of an amount of solids in the conduit. The control system includes a data acquisition system in communication with the sensors and a controller in communication with the data acquisition system. The data acquisition system receives the data signals and the controller generates the control signals. The controller is in communication with one or more valves positioned in the chemical loop. The valves are configured to regulate a flow of the solids through the chemical loop.

Abstract: A modular chemical production system includes multiple modules for performing a chemical reaction, particularly of radiochemical compounds, from a remote location. One embodiment comprises a reaction vessel including a moveable heat source with the position thereof relative to the reaction vessel being controllable from a remote position. Alternatively the heat source may be fixed in location and the reaction vial is moveable into and out of the heat source. The reaction vessel has one or more sealing plugs, the positioning of which in relationship to the reaction vessel is controllable from a remote position. Also the one or more reaction vessel sealing plugs can include one or more conduits there through for delivery of reactants, gases at atmospheric or an elevated pressure, inert gases, drawing a vacuum and removal of reaction end products to and from the reaction vial, the reaction vial with sealing plug in position being operable at elevated pressures.

Abstract: A chemical heat accumulator includes a receptacle, a first reaction vessel, and a second reaction vessel. The first reaction vessel is hermetically connected to the receptacle and supplied with water from the receptacle. The first reaction vessel contains a chemical compound that causes a hydration reaction with the water from the receptacle to generate water vapor by a heat of reaction, and causes a dehydration reaction by receiving heat. The second reaction vessel is hermetically connected to the first reaction vessel and supplied with the water vapor from the first reaction vessel. The second reaction vessel contains a chemical heat storage material that generates heat by causing a hydration reaction with the water vapor from the first reaction vessel and stores heat through a dehydration reaction caused by receiving heat. The chemical heat storage material is thermally in contact with an object to be heated.

Abstract: A decontamination system for decontaminating at least one contaminant in a process stream. Decontaminant liquid is dispersed into the process stream using atomization. A controller detects contaminant levels in the process stream and adjusts the flow of decontaminant fluid into the process stream in response.

Abstract: Fragrance systems are provided that can be used in conjunction with heating, ventilation, and air-conditioning systems. The fragrance systems can inject a fragrance into an airstream that is supplied to a space such as a room of a building or a vehicle cabin. In some embodiments, the speed a fan of the fragrance system can be automatically modulated in a pre-determined relationship to the speed of a fan of the HVAC system. Accordingly, a desired level of fragrance can be automatically maintained as desired within the airstream that is supplied to the space, even when the HVAC fan speed or other conditions fluctuate.

Abstract: Techniques are provided for operating a reactor during a catalyst transition period. The instantaneous reaction rate during a catalyst transition period can be determined using real-time measured process variables, and material balance calculations to provide an instantaneous reaction rate in approximately real time. According to certain embodiments, a material balance can be performed on the reactor system using a continuous ideal stirred tank reactor to determine the fractions of each type of catalyst that are present in the reactor, as well as the overall weight percent of catalyst in the reactor. A controller can then calculate the overall instantaneous reaction rate based on the respective catalyst fractions and the overall weight percent of catalyst in the reactor. The catalyst feed rate can then be adjusted based on the determined instantaneous reaction rate to maintain the instantaneous reaction rate within desired limits during a catalyst transition period.

Abstract: Systems for loading catalyst and/or additives into a fluidized catalytic cracking unit are disclosed. Methods of making and using the systems are also disclosed.

Abstract: A gas-phase polyolefin reactor system for rapidly transitioning from one polyolefin product to another is disclosed. The reactor system comprises a steady-state control valve, a high-flow valve, a polyolefin reactor, a flow meter, a totalizer, an online analyzer and an empirical model. During a transition, the on-line analyzer measures an initial concentration of a reaction component, the empirical model predicts a required amount based upon the measured initial concentration and a selected ending concentration, the flow meter measures a flow rate, the totalizer determines a totalized amount when the flow rate of the first stream reaches the required amount based upon the measured flow rate and outputs the totalized amount to the empirical model, and the empirical model compares the required amount to the totalized amount and determines a transition endpoint. A method of rapidly transitioning the reactor system from one polyolefin product to another is also disclosed.

Abstract: The present disclosure relates to an exhaust gas after-treatment apparatus and an exhaust gas after-treatment method including a selective catalytic reduction (SCR) process, and more particularly, to an exhaust gas after-treatment apparatus having improved durability and an exhaust gas after-treatment method, which selectively determine to operate a selective catalyst reducing part and an ammonia oxidation catalyst (AOC) part on the basis of a generated amount and a rate of change of a nitrogen compound (NOx) in exhaust gas.

Abstract: A system (100) for controlling the environment in a reaction box (300) comprises a controller (150) configured to control a gas multiplexer (130) to switch between applying an under pressure in the reaction box (300) from a vacuum pump (140) and applying a gas flow from a connected gas source (200) to the reaction box (300) multiple times in a cyclic manner. A particle monitor (160) generates particle information representing a concentration of particles in the reaction box (300). This particle information is stored as a GMP clean room classification notification for the reaction box (300).

Abstract: The present disclosure is directed to systems and methods for actively controlling the steam-to-carbon ratio in hydrogen-producing fuel processing systems that include a feedstock delivery system. The feedstock delivery system supplies a combined feedstock stream including steam and carbon-containing feedstock to a hydrogen-producing region, which produces a mixed gas stream including hydrogen gas as a majority component therefrom. The systems and methods may include measuring a thermodynamic property of a steam stream, a carbon-containing feedstock stream, and/or the combined feedstock stream and controlling the flow rate and/or pressure of a water stream, the steam stream, and/or the carbon-containing feedstock stream based on a desired steam-to-carbon ratio in the combined feedstock stream and/or a desired flow rate of the mixed gas stream and may include feedforward and/or feedback control strategies.

Abstract: The invention relates to a method for producing a solution comprising organofunctional siliconates, silicates and, optionally, the cocondensation products thereof, and to the solutions and an installation for the production thereof.

Abstract: Techniques are provided for operating a reactor during a catalyst transition period. The instantaneous reaction rate during a catalyst transition period can be determined using real-time measured process variables, and material balance calculations to provide an instantaneous reaction rate in approximately real time. According to certain embodiments, a material balance can be performed on the reactor system using a continuous ideal stirred tank reactor to determine the fractions of each type of catalyst that are present in the reactor, as well as the overall weight percent of catalyst in the reactor. A controller can then calculate the overall instantaneous reaction rate based on the respective catalyst fractions and the overall weight percent of catalyst in the reactor. The catalyst feed rate can then be adjusted based on the determined instantaneous reaction rate to maintain the instantaneous reaction rate within desired limits during a catalyst transition period.

Abstract: A system and method for controlling the regeneration of an exhaust gas particulate filter. When regeneration is initiated, an outlet temperature of an exhaust gas oxidation catalyst and an outlet temperature of the exhaust gas particulate filter are detected. As part of a closed loop non-linear temperature targeting regime, the maximum of the outlet temperature of the exhaust gas oxidation catalyst and the outlet temperature of the exhaust gas particulate filter is set as a reference temperature. A regeneration temperature target is initialized and indexed based on a profile time and the reference temperature. As part of a closed loop fuel control regime at least one hydrocarbon dosing value is determined based on an exhaust mass flow, the reference temperature, and the regeneration temperature target.

Abstract: It is intended to maintain the purification ability as a whole. For this purpose, an exhaust gas purification apparatus comprises a three-way catalyst; an NH3-producing catalyst; and a selective catalytic reduction NOx catalyst; the catalysts being provided in this order at an exhaust gas passage; and the exhaust gas purification apparatus further comprising a control device which carries out rich spike for lowering an air-fuel ratio of an exhaust gas from a lean air-fuel ratio to a predetermined rich air-fuel ratio; wherein the control device lengthens an interval of the rich spike if a temperature of the three-way catalyst is lower than a threshold value as a lower limit value of a temperature of activation as compared with if the temperature of the three-way catalyst is not less than the threshold value.

Abstract: A system and method for tritium separation systems using a mixed bed catalytic exchange process in a Liquid Phase Catalytic Exchange/Closed Loop Continuous Process (LPCE/CLCP) system, that operates as a low temperature and low pressure continuous balanced process, designed to rapidly, economically and safely extract and isolate isotope specific products without generating unwanted products in the form of new waste streams.

Abstract: There is provided a denitrification apparatus capable of reducing NOx from a combustion facility and preventing evaporation of a reducing liquid in a lance and an injection nozzle in the combustion facility in operation at a low load by adjusting concentration of a reducing agent, thereby achieving complete evaporation of the reducing liquid in an exhaust gas duct.

Abstract: A fluid line treatment kit for a dairy farm milking system having a vacuum subsystem for imparting vacuum within a fluid line is provided. The fluid line treatment kit includes at least one ozone gas source; a conduit associated with each ozone gas source configured to convey ozone gas to within the fluid line at a respective location; and a control system configured to trigger each ozone gas source to produce ozone gas while the vacuum subsystem is actuated. Vacuum imparted by the vacuum subsystem in the fluid line draws ozone gas via the at least one conduit into and through the fluid line.

Abstract: A monitoring system for a selective catalyst reduction system according to the present invention includes a selective catalyst reduction system that reacts with ammonia and reduces NOx, a first NOx sensor that is disposed upstream of the selective catalyst reduction system and measures the amount of the NOx that flows into the selective catalyst reduction system, a second NOx sensor that is disposed downstream of the selective catalyst reduction system and measures the amount of the NOx that is reduced, an injector that is disposed between the first NOx sensor and the selective catalyst reduction system and injects a urea solution, and a control portion that calculates reduction efficiency based on signals that are detected from the first NOx sensor and the second NOx sensor, determines the necessary amount of the ammonia according to the reduction efficiency, and controls the injection amount of the urea solution through the injector.

Abstract: In the present invention, a gas pipe integrated block has a plurality of internal pipe paths. The plurality of internal pipe paths are connected to an ozone generator, control means, a raw gas supply port, an ozone gas output port, and cooling water inlet/outlet ports, to thereby form a unit in which a raw gas input pipe path and an ozone gas output pipe path are integrated. The raw gas input pipe path extends from the raw gas supply port through an automatic pressure controller to the ozone generator. The ozone gas output pipe path extends from the ozone generator through a gas filter, an ozone concentration meter, and a flow rate controller, to the ozone gas output port.

Abstract: An exhaust gas purification system which feeds hydrocarbon by a post-injection under preset conditions to an upstream side of an exhaust gas purification device positioned on the exhaust path of an internal combustion engine, restoring the purifying capacity of the device or purifying the exhaust gas of the device. Under hydrocarbon feed conditions, if a combination of the exhaust gas temperature and exhaust gas flowrate or intake flowrate during control is deemed to be in a misfire region in which hydrocarbon which is fed to the exhaust path no longer combusts in the exhaust gas purification unit, the feed of hydrocarbon is stopped. As a result, it is possible to prevent deposit of hydrocarbon on catalysts or other exhaust gas purification units of the device, making it possible to constantly maintain the temperature of the unit in a controllable state.

Abstract: A system for disinfecting a room includes an enclosure having first and second air inlets and an air intake control assembly to selectably control air flow into the enclosure through the first and second air inlets. Air that flows between the exterior and interior of the enclosure through the second air inlet passes through a filter assembly. The enclosure also includes an air dispersion outlet having a fan that draws air into the enclosure through the first and second air inlets and forces air out of the enclosure. A chemical dispersion assembly generates a disinfecting fog relative to the fan. A system controller controls the air intake control assembly to disperse the disinfecting fog into the room, and subsequently draw the disinfecting fog from the room and through the filter assembly.

Abstract: An apparatus for treating a gas stream includes a plasma abatement device that has a reaction chamber and a plasma torch for generating a plasma stream for injection into the chamber for treating the gas stream. A first inlet conveys a gas stream into the plasma abatement device for treatment, and a second inlet, in a normal condition of the apparatus, is in flow communication with a source of reagent for conveying a reagent into the plasma device for improving the efficiency of the treatment. In a back-up condition of the apparatus, the second inlet is in flow communication with a gas stream source for conveying a gas stream into the device for treatment.

Abstract: A process unit, having: a) an oligomerization reactor; and b) a control system that enables the reactor to be operated in a distillate mode and in a lubricant mode; and wherein the reactor can switch between modes.

Abstract: Described herein are various embodiments of an apparatus, a system, and a methods for reducing NOx emissions using ammonia storage on an SCR catalyst. For example, according to one embodiment, an apparatus for controlling an SCR system of an internal combustion engine system includes an ammonia storage module and a reductant dosing module. The ammonia storage module determines an ammonia storage surface coverage on an SCR catalyst of the SCR system and an ammonia compensation value based on one of an excess ammonia flow rate entering the SCR catalyst and an excess NOx flow rate entering the SCR catalyst. The reductant dosing module that generates a reductant dosing command based on the ammonia compensation value.

Abstract: A flue-gas purification system includes a flue-gas cycling system, a reactor, and an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being gasified for reacting with the flue-gas in the reactor in a homogenous gas-gas phase reacting manner. Therefore, the purification system has fast reaction rate between the pollutants of the flue-gas and the catalytic absorbent, which is preferably ammonia, to efficiently remove pollutants, so as to effectively purify the flue-gas.

Abstract: Chlorine dioxide generation systems and methods are disclosed. One or more reactants, such as sodium hypochlorite, may be electrolytically generated on-site for delivery to a reaction column. Low concentration reactants may be used to generate chlorine dioxide as part of a mixed oxy-chloro product stream containing free available chlorine. In at least one embodiment, an optical analyzer may be positioned along a reactant feed line to measure a concentration of reactant supplied to a reaction column. A controller may adjust a flow rate of the reactant in response to information provided by the optical analyzer. The controller may also perform pH control within the system. In some embodiments, the chlorine dioxide generator may be incorporated in an all-liquid water disinfection system.

Abstract: Systems and methods for conditioning synthetic crude oils are provided herein. The systems and methods described herein subject the synthetic crude to one or more process solutions to provide conditioned synthetic crude exhibiting, for example, a reduced TAN.