Abstract: The present invention provides improved systems and methods for flushing out animal footbaths at remote locations which do not have a reliable or high pressure water supply. Embodiments of the flushing systems of the present invention preferably include at least one fluid pressurizing pump and one or more large fluid storage tanks which receive water from a source and place it under pressure for use in the system.

Abstract: A tray for a mass-transfer column permits contact between a liquid phase and a gas phase. The tray may comprise a tray feed via which the tray is charged with the liquid phase, a tray drain via which the liquid phase drains from the tray, and first guide means for guiding the liquid phase where the first guide means forms a first course path along which the liquid phase flows from the tray feed to the tray drain, enabling contact with the gas phase. A second guide means may form a second course path overlapping with the first course path, which leads from an inlet to an outlet. The first guide means may have at least two partial concentric paths. Temperature-control fluid may flow along the second course path in at least one of the at least two partial paths opposite the flow direction of the liquid phase.

Abstract: Methods of sequestering CO2 from a gaseous source of CO2 are provided. Aspects of the methods include employing an alkali enrichment protocol, such as a membrane mediated alkali enrichment protocol, in a CO2 sequestration protocol. Also provided are systems for practicing the methods.

Abstract: A fluid delivery system adapted to isolate an ampoule and/or process line during purge, including an inlet control valve connecting a source of pressurized gas to a refillable ampoule, an outlet control valve connecting the refillable ampoule to a location of use, a process control valve connecting a process line to the refillable ampoule, a process isolation valve, and a purge supply valve, e.g., a three-way purge supply valve, arranged between the process isolation valve and the process control valve. A method of purging a fluid delivery system is also disclosed, including closing a process isolation valve, connecting a process line to a refillable ampoule, supplying a purge gas through a purge supply valve, e.g., a three-way purge supply valve, and cycling open and close at least once a process control valve coupled to the process line. A manifold for use in refilling an ampoule and purging a fluid supply system is also described.

Abstract: A fuel cell system includes a water vapor transfer unit and a fluid flow distribution feature, the water vapor transfer unit including a first plate having a plurality of first flow channels for receiving a flow of a first fluid therein, and a second plate having a plurality of second flow channels for receiving a flow of a second fluid therein. The fluid flow distribution feature is configured to control at least one of a volume of flow of the first fluid through the first flow channels and a volume of flow of the second fluid through the second flow channels, wherein at least one of a flow distribution of the first fluid across the first plate and a flow distribution of the second fluid across the second plate is varied.

Abstract: A turbomachine fuel-air mixer component includes a first component portion formed from a non-additive manufacturing process. The first component portion includes a plurality of tube elements each having an end portion. A second, additively manufactured component portion is additively joined to the first component portion. The second, additively manufactured component portion includes a plurality of additively manufactured tube sections constructed at, and fluidically connected with, respective ones of each end portion of the plurality of tube elements. The first and second component portions collectively defining at least a portion of the turbomachine fuel-air mixer component.

Abstract: An electrical device for circulating air is provided. The electrical device includes a pole attached to a fixed support, a coupling attached to the pole and plurality of fans is attached to the coupling. The plurality of fans receives power from a power source through electrical cables. Further, the electrical device includes a battery for providing power to the fans and thus making it a portable device. The electrical device may be placed on any surface in any area. The single coupling for attaching the plurality of fans makes it easier to assemble or disassemble the parts of the electrical device.

Abstract: This invention relates to a device for cooling and distributing mixed charges on fixed catalyst beds for use in the cooling zone of descending flow reactors which comprises a flat tray fitted with collector and distributor tubes for liquid superimposed upon and connected to another flat tray of similar design to the upper tray. The device, which is of smaller size in comparison with other commercially available devices, is extremely simple to install industrially and compact, and has as its main characteristic the efficiency with which it promotes reduction of the temperature of the reaction medium when it receives the cooling fluid within the catalytic reactor.

Abstract: A flat sheet membrane module is provided and includes a pair of laterally spaced membrane compartments formed therein for receiving and holding two sets of flat sheet membranes. A utility compartment is disposed between the membrane compartments and includes an air conduit for directing air downwardly through the module to air dispersers forming a part of the module or to a separate lower disposed module. Optionally, a permeate conduit may be provided in the utility compartment for channeling permeate from a lower disposed module. A support structure is disposed in each membrane compartment for receiving and holding a set of flat sheet membranes. The support structure includes a pair of plates that sandwich a set of flat sheet membranes together such that the flat sheet membranes of the set are disposed in a side-by-side relationship between the two end plates.

Abstract: An aeration system for a bed of ore that is laid upon a basal layer has a gas source located upstream for supplying gas and aeration pipes that distribute the gas downstream to the bed. Each aeration pipe has spaced-apart gas emitters that distribute gas to the bed and the aeration pipes extend through the bed towards the basal layer.

Abstract: This application is directed to a fragrance dispenser attachably connected to a fan comprising: a housing having openings defined in the housing; a fragrance reservoir included in the housing for receiving a fragrance medium containing a fragrance; a cover operably associated with the opening for restricting airflow into the fragrance reservoir; and, a cover actuator operably connected to the cover having an open position allowing airflow into and out of the fragrance reservoir for dispensing a fragrance and a closed position for restricting airflow into and out of the fragrance reservoir.

Abstract: A hollow fiber membrane module characterized by having a tubular module case; a bundle of a multiplicity of hollow fiber membranes housed in the module case; adhesively fixing parts for fixing both side edge portions of the bundle in the module case in such a fashion that raw fluid can pass through the interior of the hollow fiber membranes; a permeated fluid communication part adapted for passable connection between both end faces outside the adhesively fixing parts by a pipe of diameter significantly larger than that of the hollow fiber membranes; and a raw fluid distribution supply part capable of feeding the raw fluid into the module case at one of the adhesively fixing parts, wherein the raw fluid distribution supply part has multiple raw fluid introduction holes made in hollow fiber membrane interspaces so as to be able to supply the raw fluid along the longitudinal direction of the hollow fiber membranes.

Abstract: The present invention relates to a bubble column reactor comprising a column reactor having a sparger plate dividing the column reactor into a top reaction compartment and a bottom compartment, characterized in that an inlet and outlet line for introducing and disposing a flushing medium are connected to the bottom compartment; and an operation method thereof.

Abstract: A liquid transfer system for transferring liquid from a plurality of containers to a plurality of destinations comprises a plurality of inlet valves. Each inlet valve is operable between an open position allowing liquid from a container to be drawn into the system and a closed position blocking liquid from a container from being drawn into the system. Liquid drawn from each of the liquid containers is delivered to a buffer chamber designed to degas the liquid in the buffer chamber. The buffer chamber leads to a vented feeder chamber that is also adapted to retain a volume of liquid. A chamber connection valve is provided between the buffer chamber and the feeder chamber to allow or block the flow of liquid between the buffer chamber and the feeder chamber. The feeder chamber is connected to a plurality of distribution valves operable to deliver liquid to a plurality of destinations.

Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.

Abstract: Provided is a gas-dissolved water supply system that can efficiently produce highly concentrated gas-dissolved water and can circulate and supply the water to a use point. To a storage tank 1, waste water (cleaning waste water) that is water containing dissolved gas (oxygen) used for cleaning an object to be cleaned is reserved through piping 15, and feeding water is supplied through feeding water piping 1a. The water in the storage tank 1 is sent to a purification device 4 via a pressure feeding pump 2 and a heat exchanger 3 for keeping the water temperature constant. The water from which foreign substances are removed by the purification device 4 is sent to a degasser 6 via a flowmeter 5. Then, a gas is dissolved in the water by a gas-dissolving apparatus 7, a chemical is added to the water, and the water is supplied to a use point.

Abstract: Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.

Abstract: Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed.

Abstract: Embodiments of a nozzle reactor of the type useable to inject a first material feed stock and a second material feed stock to cause interaction between the first material feed stock and second material feed stock are described herein. According to one embodiment, the nozzle reactor includes a reactor body having a reactor body passage with an injection end and an ejection end. The nozzle reactor also includes a first material injector having a first material injection passage and being mounted in the nozzle reactor in material injecting communication with the injection end of the reactor body. The first material injection passage can have an enlarged volume injection section, an enlarged volume ejection section, and a reduced volume mid-section intermediate the enlarged volume injection section and the enlarged volume ejection section. The first material injection passage can also have a material injection end and a material ejection end in injecting communication with the reactor body passage.

Abstract: A method and apparatus for controlling emission of fragrances into a given area such as a room or a region of a yard; and more particularly the creation of a desired atmosphere within the given area. In addition, the invention involves a volatile substance dispensing device (200) having mounted therein a plurality of reservoirs (31) storing a volatile substance, and a plurality of atomizer assemblies (34) for emitting volatile substances communicated thereto by the reservoirs (31). Preferably, a microcontroller (50) controls the emission of the volatile substances in accordance with preferred programs.

Abstract: The invention relates to a distribution device (1) for distributing liquid over an underlying catalyst bed comprising a horizontal collection tray (2) provided with at least one gas chimney (3) for upward or downward passage of gas and with liquid dosing nozzles (4) for downward passage of liquid, wherein the gas chimney(s) (3) and liquid doing nozzles (4) are separate from each other and do not have the same longitudinal axis, and wherein each liquid dosing nozzle (4) comprises a concentrically arranged liquid passing hole (5) and splash plate (6), wherein the splash plate (6) is located below the liquid passing hole (5) and below the collection tray (2) such that there is a free fall distance for liquid of at least 100 mm between the hole (5) and the splash plate (6). The invention further relates to a reactor for hydroprocessing comprising such distribution device (1), the use of such reactor for hydroprocessing and a process for hydrocracking or hydrotreating in such reactor.

Abstract: The invention relates to injection of fluids (gas, liquid, suspension or other mixtures) in a controlled typically uniform way within a vessel containing another fluid or fluidized medium. Said injection device consists of pipes or channels that are connected in a hierarchical fashion so that the fluid entering a first channel is divided into channels of the same or different diameter and length, each or some of which are further divided into channels of the same or different diameter and length, and so on. The injection system can also consist of combinations of such tree-like or fractal-like elements, embedded in the plane or in space. The embodiment depends upon the nature of the fluids and the application. The invention can be used for gas/solid fluidized bed and a gas/liquid and other processes. A typical application is the reduction and uniformization or otherwise control of bubble sizes to optimize the operation of fluidized bed, slurry and gas/liquid reactors.

Abstract: The invention concerns a gas diffuser constructed and arranged to disperse gas into a aeration vessel of a water treatment assembly from a blower. The gas diffuser includes main pipes, branch pipes extending between the main pipes and containing gas discharge ports, wherein the branch pipes have a smaller cross-sectional area than the cross-sectional area of the main pipes. The gas discharge ports are further sized, constructed and arranged to reduce the possibility or likelihood of sludge from blocking the ports or entering the branch pipes. This object is achieved either by placement of the ports on the bottom sides of the branch pipes or, alternatively, by construction of the ports to include conduit members, themselves having an arrangement of openings or coverings to prevent or reduce the likelihood of sludge from blocking the ports or entering the branch pipes.

Abstract: This invention describes systems and methods for mixing two fluids. A first fluid, usually fuel, is passed through a primary passage that typically leads to a carburetor or other inlet to a combustion engine. A second fluid, usually air, is mixed with the first by introducing it to the primary passage through an inlet located upstream in the primary passage. The mixture of fluids is then further emulsified by passing it over a plurality of obstructions, such as a threaded interior surface of the primary passage, located within the primary passage downstream of the inlet.

Abstract: A system for distributing a fluid to a plurality of locations, in which a first conduit is provided receiving the fluid and a splitter is provided having a housing in flow communication with the first conduit for receiving the fluid. At least two branch conduits extend from the first conduit and parallel to the axis of the housing for respectively receiving portions of said fluid.

Abstract: A method for recycling waste plastic material, from polymeric film or hydropulper waste, including plastic and cellulosic fiber or organic contaminants. The method includes the steps of introducing the waste plastic material into a size reduction unit, and reducing the size of the waste plastic material to particles having a maximum dimension ranging between about 1 inch and about 8 inches; mechanically hammering and rubbing the plastic material for separating a portion of the cellulosic fiber from the plastic; separating another portion of the cellulosic fiber from the plastic by flotation with agitation; further reducing the particle size of the plastic to a maximum dimension of about 1/2 inch; dewatering the plastic; drying the plastic to a moisture content of less than about 10 weight percent; and rolling the plastic into pellets.

Abstract: A system for automatically filling a bubbler, or other vapor delivery system from a reservoir, is disclosed in which the conduit system is purged and pressurized with inert gas, using a unique refill reservoir, level sensing and valving system.

Abstract: A turbulent transport contactor is formed by a contacting zone or section with means to introduce lightweight elements and gas at high velocity adjacent one end. Liquid is also introduced to the zone. The high velocity gas entrains the liquid and the lightweight elements and transports them through the contact zone. Means are provided to de-entrain the lightweight elements and a significant portion of said liquid at the end of the contact zone remote from said one end and to return the lightweight elements to said one end for re-introduction into the zone.

Abstract: A control for the amount of a gaseous fluid absorbed in a liquid flowing through an absorption column comprises a gage in an outlet from the absorption column for the liquid having the gaseous fluid absorbed therein, an auxiliary absorption column of a substantially smaller capacity than that of the absorption column and receiving a comparatively small amount of the gaseous fluid in addition to the liquid, another gage in an outlet from the auxiliary absorption column for the liquid having the gaseous fluid absorbed therein, the gages measuring respective parameters which are a function of the amount of the gaseous fluid absorbed in the liquid in the respective outlets and producing output signals corresponding to the respective parameters, a comparator connected to the gages for receiving the output signals and comparing them to produce a control signal, and a flow control in the inlet for the gaseous fluid or the liquid of the absorption column, the flow control being connected to the comparator and control