Subscribe: Untitled
http://www.freepatentsonline.com/rssfeed/rsspat210.xml
Added By: Feedage Forager Feedage Grade B rated
Language: English
Tags:
apparatus  device  filter  flow  fluid  gas  includes  inlet  liquid  membrane  method  oil  outlet  system  tank  water 
Rate this Feed
Rate this feedRate this feedRate this feedRate this feedRate this feed
Rate this feed 1 starRate this feed 2 starRate this feed 3 starRate this feed 4 starRate this feed 5 star

Comments (0)

Feed Details and Statistics Feed Statistics
Preview: Untitled

Untitled





 



Water purifier

Tue, 18 Aug 2015 08:00:00 EDT

The present invention provides a water purifier which is easily removable from a drinking water supply apparatus, and has a built-in filtration filter with high efficiency of purifying raw water of a bottle. The water purifier is removable from a drinking water supply apparatus, and the drinking water supply apparatus including a bottle for containing water and a main body which has a recess into which a neck of the bottle is insertable. The water purifier is characterized by being placed between the recess of the main body and the neck of the bottle.



System for treatment of biomass to facilitate the production of ethanol

Tue, 30 Jun 2015 08:00:00 EDT

Systems for treating biomass for the production of ethanol are disclosed. The systems are configured to treat a liquid component separated from biomass to yield sugars available to be fermented into a fermentation product. The systems comprise a filter configured to remove particulate matter to provide a filtered component and an apparatus configured to remove inhibitors from the filtered liquid component provide a treated liquid component comprising sugars available for fermentation. Methods for treating for treating biomass useful in the production of a fermentation product are also disclosed. The methods include the steps of filtering a liquid component to remove particulate matter thereby yielding a filtered liquid component, and treating the filtered liquid component to remove inhibitors thereby yielding a treated liquid component comprising sugars available to be fermented into a fermentation product.



Device comprising a source for emitting ultraviolet light

Tue, 26 May 2015 08:00:00 EDT

A device (1) comprises a source (20) for emitting ultraviolet light, an inlet (30) for letting in fluid to the device (1), an outlet (40) for letting out fluid from the device (1), and means (51, 52) for performing a straightening action of a flow of fluid through the device (1). The flow straightening means comprise at least one flow straightening element (51, 52) having inlet openings for letting in fluid at one side and outlet openings for letting out fluid at another side, wherein each inlet opening is in communication with a plurality of outlet openings, and wherein the element (51, 52) comprises a maze of randomly arranged, interconnected holes. In such a structure, a water element that is moving from one side of the element (51, 52) to another side may take one of various paths, as a result of which variations in inlet conditions can be dampened.



Cell culture dish

Tue, 26 May 2015 08:00:00 EDT

A cell culture dish, comprising: a dish with a bottom wall and a circumferential side wall standing upward from the same, a lid, which sits sealingly on the side wall in an aeration position, and means for holding the lid on the dish above the sealing position in an aeration position in which there is an aeration gap between side wall and lid, wherein these means are adapted to be overcome by pressing the lid and the dish together in order to bring the lid from the aeration position into the sealing position.



Stackable cartridges for bulk feeders

Tue, 26 May 2015 08:00:00 EDT

A set of vertically stackable interacting cartridges for improving the delivery of biocide of a bulk feeder by positioning the stackable cartridges in a stacked condition within a chamber in the bulk feeder wherein the stackable cartridges are maintained in vertical interacting flow alignment with each other to provide enhanced control of the delivery of the biocide carried within each of the stackable cartridges without replacing the control valves of the bulk feeder.



Smart home system and operation method thereof

Tue, 26 May 2015 08:00:00 EDT

A smart home system having a controller which controls an ozone generator, gas supply outlets connected to gas supply outlets of the ozone generator via a pipe, and solenoid valves which control opening and closing of the gas supply outlets. The controller is connected with each of the solenoid valves and controls opening and closing of each of the solenoid valves. An operation method for the system discloses driving the ozone generator by the controller to generate ozone, controlling opening of the solenoid valves by the central processor when the central processor receives an external signal for opening the solenoid valves, reducing opening level of the solenoid valves when a gas flow sensor detects that the ozone flow rate passing through the gas inlet is greater than the flow rate threshold, and controlling closing of the solenoid valves by the central processor when the central processor receives a signal for closing the solenoid valves.



Method for treating wastewaters

Tue, 26 May 2015 08:00:00 EDT

The invention relates to a method for treating wastewater containing nitroaromatics and nitrohydroxyaromatics, as for example arises in the production of nitroaromatics or in the production of nitrohydroxyaromatics, by a two-stage method consisting of pre-reduction and wet oxidation.



Method of conditioning a body of water by delivering different dispersant combinations through a floating generally spherical dispenser system

Tue, 26 May 2015 08:00:00 EDT

A dispenser system for delivering various combinations of dispersants to a body of water with the various combinations of dispersants supplied to the body of water through the interchanging of dispensing cartridges which are attachable to a main dispensing cartridge where a condition for interchanging of dispensing cartridges may be triggered by an event.



Electrolytic cell and system for treating water

Tue, 26 May 2015 08:00:00 EDT

A water treatment system is disclosed having electrolytic cell for liberating hydrogen from a base solution. The base solution may be a solution of brine for generating sodium hypochlorite, or potable water to be oxidized. The cell has first and second opposing electrode endplates held apart from each other by a pair of supports such that the supports enclose opposing sides of the endplates to form a cell chamber. One or more inner electrode plates are spaced apart from each other in the cell chamber in between the first and second electrode plates. The supports are configured to electrically isolate the first and second electrode plates and the inner electrode plates from each other. The first and second electrode plates are configured to receive opposite polarity charges that passively charge the inner electrode plates via conduction from the base solution to form a chemical reaction in the base solution as the base solution passes through the cell chamber.



Magnetic water conditioner

Tue, 26 May 2015 08:00:00 EDT

A magnetic water conditioner treats water with a magnetic field. The magnetic water conditioner includes a tank having an inlet operable to receive water from a pump and an outlet operable to discharge the water. The magnetic water conditioner is installed in close proximity to the pump. A plurality of permanent magnet members are aligned and spaced apart in the interior of the tank with north and south poles disposed at opposite sides of the permanent magnet members. The water flows through the gaps between the permanent magnet members, thus being subjected to magnetic fields created by the permanent magnet members.



Membrane distillation apparatus and methods

Tue, 26 May 2015 08:00:00 EDT

Membranes for membrane distillation include at least one hollow fiber porous hydrophobic membrane, the at least one membrane including carbon nanotubes incorporated into the pore structure of the membrane. Membrane distillation systems may include a heat exchanger operably connected to a hollow fiber membrane module with one or more membranes including carbon nanotubes. Methods of solvent removal, sample preconcentration and desalination employing hollow fiber porous hydrophobic membranes with carbon nanotubes are disclosed.



Osmotic separation systems and methods

Tue, 26 May 2015 08:00:00 EDT

Separation processes using osmotically driven membrane systems are disclosed generally involving the extraction of solvent from a first solution to concentrate solute by using a second concentrated solution to draw the solvent from the first solution across a semi-permeable membrane. Enhanced efficiency may result from using low grade waste heat from industrial or commercial sources. Pre-treatment and post-treatment may also enhance the osmotically driven membrane processes.



Method for separating components in natural oil

Tue, 26 May 2015 08:00:00 EDT

Different components of natural oils are separated by forming solid complexes of components of the natural oil with a solvent, and then separating the solid complexes from the remaining liquids. The natural oil is cooled in the presence of a solvent, and at least one component of the oil forms the solid complex with the solvent. This solid complex is separated from the remaining liquid portion of the oil solution, which also contains the solvent. Additional options concentration steps can further concentrate the components left in the liquid phase.



Method and system for treating wastewater and sludges by optimizing sCO2 for anaerobic autotrophic microbes

Tue, 26 May 2015 08:00:00 EDT

The present invention describes a method of optimizing CO2 concentration to increase the specific growth rate of Anammox bacteria and methanogens in wastewater and sludge treatment, as well as novel systems and methods of treating wastewater and sludge. The specific growth rate or doubling time of the Anammox bacteria and methanogens were determined to be sensitive to dissolved CO2 concentration. Optimizing dissolved CO2 concentration increases the specific growth rate of the Anammox bacteria, which may be used as an alternative biological nitrogen removal process for the treatment of domestic wastewater. In the method and system of treating sludge, the CO2 stripper returns biogas with low CO2 concentration to the headspace of an anaerobic digester in order to lower the headspace CO2 concentration and therefore, the soluble CO2 concentration. The lower soluble CO2 concentration increases the specific growth rate of the methanogens for a more efficient anaerobic digestion process.



Device for removing protein-based substances

Tue, 26 May 2015 08:00:00 EDT

The present invention relates to a means of dialysis for removing protein-bound substances from a biological fluid, especially blood or blood plasma, which contains at least one means for solubilizing protein-binding substances to be removed into the biological fluid and/or dialysis fluid, and to a process for removing protein-bound substances from a biological fluid.



Oil spill clean-up vessel with ice displacement capabilities

Tue, 26 May 2015 08:00:00 EDT

An oil spill clean-up apparatus and method, and more specifically to a self-contained oil spill clean-up vessel with ice displacement capabilities. One preferred oil spill clean-up system includes a vessel subsystem, an ice displacement subsystem, and an oil spill skimming subsystem. Preferred oil spill clean-up systems may include at least one storage subsystem. Preferred oil spill clean-up systems may include an oil/water separation and removal subsystem.



Supporting plate of a device

Tue, 26 May 2015 08:00:00 EDT

A supporting plate of a device is suggested. The device has at least one component and a housing for at least partly protecting the component. The supporting plate has at least one receiving element adapted for accepting the at least one component of the device in at least one of the following manners: in a form-closed manner, in a force-closed manner. The supporting plate is part of the housing.



Chronic access system for extracorporeal treatment of blood including a continuously wearable hemodialyzer

Tue, 26 May 2015 08:00:00 EDT

A patient wearable, continuously operating extracorporeal pump apparatus which accesses the patient's arterial venous pressure differential by applying external pressure to a subcutaneous graft that has been cannualized to modulate blood flow through an extracorporeal circuit and to drive the pump for delivering a medicament, such as an anticoagulant, to the site of an intravenous cannula to prevent clogging thereof and also to move a dialysate through a circuit, including a dialyzer and a dialysate rejuvenating cartridge, whereby kidney failure can be treated without recourse to prior art hemodialysis machines found in most treatment facilities. With slight modification, the present invention can be used to remove excess fluids from CHF patients, to remove toxins from the blood in those suffering from liver failure and to facilitate administration of insulin to diabetics and/or glucose to those having hypoglycemia.



Filter device

Tue, 26 May 2015 08:00:00 EDT

A filter device is disclosed. The device includes at least one substantially flat filter media that may be encapsulated between non-permeable films. Some embodiments comprise ports for introducing a fluid to be filtered and for evacuating the filtered fluid. Various substrates may be employed therein in cooperation with the at least one filter media to enhance device performance. Also disclosed are various apparatuses configured to contain at least one filter device.



Nanostructured sorbent materials for capturing environmental mercury vapor

Tue, 26 May 2015 08:00:00 EDT

The present invention is a method and material for using a sorbent material to capture and stabilize mercury. The method for using sorbent material to capture and stabilize mercury contains the following steps. First, the sorbent material is provided. The sorbent material, in one embodiment, is nano-particles. In a preferred embodiment, the nano-particles are unstabilized nano-Se. Next, the sorbent material is exposed to mercury in an environment. As a result, the sorbent material captures and stabilizes mercury from the environment. In the preferred embodiment, the environment is an indoor space in which a fluorescent has broken.



Fuel decontamination unit and methods of making and using the same

Tue, 19 May 2015 08:00:00 EDT

In an embodiment, a fuel decontamination unit comprises a decontamination region containing fuel; and an ultraviolet light located in the decontamination region; wherein the ultraviolet light is configured to irradiate the fuel. In an embodiment, a method of decontaminating fuel comprises flowing a contaminated fuel into a decontamination unit; irradiating the fuel with ultraviolet radiation that is emitted from the ultraviolet light such that the contaminated fuel becomes a purified fuel; flowing the purified fuel out of the decontamination unit; wherein a microorganism level in the purified fuel is less than that of the contaminated fuel.



Separation of single-walled carbon nanotubes by electronic type using block copolymers

Tue, 19 May 2015 08:00:00 EDT

The separation of single-walled carbon nanotubes (SWNTs), by electronic type using centrifugation of compositions of SWNTs and surface active block copolymers in density gradient media.



Microfluidic device with a filter

Tue, 19 May 2015 08:00:00 EDT

A microfluidic device with a filter includes a substrate; a flowpath including a well formed in the substrate in fluid communication with a channel formed in the substrate; and a filter disposed across the flowpath and associated with the channel.



Diffuser/emulsifier for aquaculture applications

Tue, 19 May 2015 08:00:00 EDT

A method of treatment of water in an aquatic environment. Water is first pumped from a reservoir to a first mixing station. An inert gas is introduced into the pumped water at the first mixing station to provide inert gas saturated water, which inert gas saturated water will displace undesired gasses in the water in the reservoir. The inert gas saturated water is then pumped to a sparging column such that the inert gas and undesired gasses will be released from the inert gas saturated water to provide depleted water.



Apparatus for treating a fluid with microwave radiation

Tue, 19 May 2015 08:00:00 EDT

An apparatus for treating a flow of fluid with microwave radiation, the apparatus comprising: a vessel having a sidewall and opposed first and second end walls defining a substantially cylindrical chamber, the first end wall being disposed a predetermined distance d1 from the second end wall; a pipeline for flowing fluid through, the pipeline passing through the first end wall towards the second end wall of the vessel, the chamber and the pipeline being substantially co-axial and the pipeline being substantially transparent to microwave radiation; and a microwave radiation inlet in the side wall of the vessel for admitting microwave radiation of wavelength λ into the chamber, wherein the distance d1 is substantially equal to an integral multiple of λ/2 so that the chamber is a microwave resonator.



System and method for controlling water quality in a recreational water installation

Tue, 19 May 2015 08:00:00 EDT

A system for monitoring water chemistry of a recreational water installation includes a sensor configured to detect bather load in the recreational water installation and a controller configured to determine a required adjustment to the water chemistry of the recreational water installation based upon the detected bather load.



Liquid filter device

Tue, 19 May 2015 08:00:00 EDT

Provided is a filter device for filtering liquid by passing it through one or more filtering media. The filter device comprises a cartridge defining a treatment region filled with said one or more filtering media and has a liquid inlet and a liquid outlet. A locking mechanism may be located within a liquid flow through the cartridge and configured to lock at least one of the liquid inlet and the liquid outlet upon expiration of life time of said at least one filtering medium.



Vibration-assisted dialysis method

Tue, 19 May 2015 08:00:00 EDT

Disclosed herein are an apparatus and method of increasing dialysis dose and waste removal with the introduction of mechanical energy, such as vibration, to a hemodiafiltration membrane The method generally includes providing a dialyzer that includes a vibration element in engaged vibratory communication with a hemodiafiltration membrane The method also includes enabling extracorporeal flow of pre-dialyzed blood and a dialysate through the dialyzer and respectively past opposing surfaces of a vibrating hemodiafiltration membrane to achieve a solute clearance from the pre-dialyzed blood that is at least about 10% greater than a solute clearance from the pre-dialyzed blood obtained in the absence of the engaged vibratory communication Various apparatus are also disclosed, each of which includes a vibration element in vibratory communication with the dialyzer.



Cylindrical liquid filtering device with central rotor, supported filter elements, and divergent inner wall radii that form curvilinear wing-shaped bulges to guide the liquid toward the filter elements

Tue, 19 May 2015 08:00:00 EDT

A device for filtering liquids has a container, units for introducing a liquid to be filtered into the container, a container outlet for unfiltered liquid to be discharged from the container, and at least one rotor, which is drivable to rotate around the container axis. The rotor has a hollow shaft mounted in an end wall and a support device fastened thereon for filter elements, which are arranged with a clearance to the container axis or rotate around their own axis. The interior of the filter elements opens via the support device and the hollow shaft out of the container as the discharge for filtered liquid. To provide improved filtration conditions, the container internal radius of the inner wall of the container circumferential shell is enlarged up to a maximum in the container circumferential direction while bulging the inner wall between two minima. The bulge forms a guide unit which guides the liquid toward the filter elements.



Pressurized hollow fiber membrane module

Tue, 19 May 2015 08:00:00 EDT

Disclosed is a pressurized hollow fiber membrane module that exhibits improved durability without deterioration in packing density and permeation flux. The pressurized hollow fiber membrane module includes a composite hollow fiber membrane comprising a tubular braid woven by yarns and a polymer film on the outer surface of the tubular braid. At least one of the yarns comprises a small-fineness filament and a medium-fineness filament. The small-fineness filament comprises first monofilaments having a fineness of 0.01 to 0.4 denier, the medium-fineness filament comprises second monofilaments having a fineness higher than 0.4 and lower than 3, and a ratio of thickness of the tubular braid to outer diameter thereof is 15 to 35%.



Cleaning structure for floating oil and substance on water surface

Tue, 19 May 2015 08:00:00 EDT

A cleaning structure for floating oil and substance on water surface provided by the present invention comprises at least one cleaning ball and a threading rope. The cleaning ball comprises a plurality of yarns arranged in parallel, and a tie is used for bundling the yarns at the middle section to form a ball structure. A fixing ring is threaded with the tie, and the threading rope is threaded through the fixing ring of each of the cleaning balls. The tie of each of the cleaning balls can be threaded with the threading rope in equal intervals beforehand, and the cleaning balls formed by bundling the side by side arranged yarns with the ties are arranged on the threading rope in equal intervals to form the cleaning structure. The yarns of the cleaning ball can be made of water repellent fiber yarn or water repellent reticulated yarn which can be spread as an expanded absorbing surface while floating on water surface, and the gaps of each of the fiber yarns are formed as spaces for absorbing floating oil and substance. The cleaning structure made of the water repellent material can be prevented from absorbing water and sinking. Thereby, floating oil and substance can be cleaned effectively.



Apparatus for preventing scale deposits and removing contaminants from fluid columns

Tue, 19 May 2015 08:00:00 EDT

An apparatus for providing magnetic fluid treatment is described. The apparatus includes a serial coupling of conduit segments forming a conduit. At least two of the conduit segments are constructed of a magnetically conductive material and at least one of the conduit segments is constructed of a non-magnetically conductive material and positioned in between the conduit segments constructed of the magnetically conductive material to establish a non-magnetically conductive region. At least one electrical conductor encircles at least a section of the outer surface of the serial coupling of conduit segments. Energizing the electrical conductor establishes a magnetic field having lines of flux directed along a flow path of the conduit and concentrated in the non-magnetically conductive region of the conduit.



Chromatography columns

Tue, 19 May 2015 08:00:00 EDT

A chromatography column is prepared with a stationary phase comprising a deuterated poly(ethyleneglycol), or other deuterated polymer. Formation of the stationary phase can be performed using exactly the same methodology as used when forming a stationary phase with the equivalent non-deuterated polymer. The deuterated poly(ethyleneglycol), or other deuterated polymer, preferably has increased thermal stability as compared to non-deuterated poly(ethyleneglycol), or equivalent non-deuterated polymer. This reduces bleeding of the stationary phase during gas chromatography and allows the use of greater operating temperatures.



Separation of olefins from olefins/paraffins mixed gas

Tue, 19 May 2015 08:00:00 EDT

A method and apparatus for the separation of C4 olefins (butene-1, trans-2-butene, cis-2-butene, etc.) and C4 paraffins (normal butane, isobutane, etc) from a C4 hydrocarbon mixed gas including butene-1, trans-2-butene, cis-2-butene, normal butane, isobutane, etc. is provided. The apparatus includes several adsorption towers loaded with an adsorbent which selectively adsorb olefins and two distillation towers for the separation of the mixture gases of olefins/desorbents and paraffins/desorbents respectively. The basic operating process of the adsorption tower comprises an adsorption step of selectively adsorbing C4 olefin from the feeding mixture, a C4 olefin rinse step of removing a small amount of C4 paraffins adsorbed together with C4 olefins, and a desorption step of desorbing C4 olefins by using a desorbent, and further comprises pressure equalization step, concurrent depressurization step, and accumulation pressure step to increase the yield and concentration of olefins depending on the operation pressure of the adsorption tower.



Inexpensive fourth world primitive water cleanser with key parts transportable in suitcase size packaging

Tue, 19 May 2015 08:00:00 EDT

This is a scalable water cleansing system intended for very low technology primitive communities buildable for between $600 and $1,000 of parts. A gravity feed system is contemplated with one or more of an initial filtering stage(s), a settling stage, a UV treatment stage, and an ozonator stage. A stand-alone power system with solar power needing no infrastructure is contemplated to enhance purification. The system can improve the worst of water quality, including for small groups; and under some conditions to end up with clean water of a quality found in developed countries with mature water systems. For water to the site in communities with low precipitation, the water brought in would be emptied into the initial stage of the water cleansing system, and the person who brought the water would draw from the last stage most or all of the amount of water carried in.



Method for sanitizing water dispensed from a water dispenser having a reservoir

Tue, 19 May 2015 08:00:00 EDT

A method and apparatus of sanitizing drinking water to be dispensed from a water dispenser having a reservoir includes the steps of providing the ozone gas generator that generates an ozone gas stream, transmitting the ozone gas stream from the generator to the water dispenser reservoir, mechanically breaking up the ozone gas stream inside the reservoir to produce ozone gas bubbles, and using the ozone gas bubbles to disinfect water in the reservoir. The ozone gas stream can be mechanically broken up using a pump such as, for example, an impeller type pump.



Deepwater dispersion system and method of using same background

Tue, 19 May 2015 08:00:00 EDT

A system comprising a surface vessel floating on a body of water; an oil leak located in the body of water; a remotely operated vehicle located near the oil leak; a connection between the surface vessel and the remotely operated vehicle; wherein the remotely operated vehicle comprises a mixer and a dispersant injector.



Swimming pool net

Tue, 19 May 2015 08:00:00 EDT

A swimming pool net includes a mesh material and a frame that circumscribes the mesh. Fasteners are positioned in the frame to secure the mesh to the frame. A pair of mounts is formed in the frame in opposed relation to one another. A spring has opposed ends that respectively engage the opposed mounts. The spring is taut when its opposite ends engage the mounts. A middle section of the spring is manually pulled and spaced apart from the mesh by a preselected distance, followed by abrupt release of the spring, causing the middle section to travel from a first side of the frame to a second side, striking the mesh as the spring passes through the plane of the frame and ejecting items away from the mesh. The mounts may be apertures or posts or the ends of the spring may be embedded in the frame.



Reactor tank

Tue, 19 May 2015 08:00:00 EDT

Disclosed is an improved water treatment cavitation reactor cone. The tank operates on a continuous flow of fluids which are subjected to ultrasonic waves in combination with a high level of injected ozone. The treatment tank includes a tangential inlet that induces a rotating flow into the tank thereby increasing the mixing of the ozone within the effluent. The effluent is further treated with DC current. The treatment tank provides a cost efficient and environmentally friendly process and apparatus for cleaning and recycling fluids as contaminated as frac water, used to stimulate gas production from shale formations, as well as other types of fluids having various levels of contaminants such as aerobic and anaerobic bacteria and suspended solids. The calcium carbonate scaling tendency is reduced to an acceptable level without the use of acids, ion exchange materials, or anti scaling chemicals which is of economical and environmental significance and benefit.



Method and device for the purification of an aqueous fluid

Tue, 19 May 2015 08:00:00 EDT

A method and device for the cleaning of spiral wound membranes. In the device two or more spiral wound membranes are included in series in pressure tubes. The membranes are cleaned by longitudinal rinsing with water, in which a well-dissolvable gas has been dissolved. In the device for the purification of an aqueous fluid with spiral wound membranes, the membranes can be longitudinal rinsed with water, in which a well-dissolvable gas has been dissolved. As gas that is well-dissolvable preferably CO2 gas or a mixture of gasses is used.



Fluid filter assembly with sight glass

Tue, 19 May 2015 08:00:00 EDT

A fluid filter assembly with sight glass provides an upper housing carrying a transparent sight glass for visualizing the interior of the filter assembly and fluids passing therethrough. A sight glass retainer secures the sight glass within the upper housing. A screen filter is carried between the upper housing and a mating lower housing. A fluid inlet port is defined in the upper housing above the screen filter and a fluid output port is defined in the lower housing below the screen filter. The sight glass retainer carries plural fluid deflectors and plural sight glass supports for fluid dispersion and fluid cooling. A pressurized air input communicating with fluid inlet port allows pressurized air to be injected into the assembly to force fluids through the screen filter and out of the filter assembly. A low pressure drain valve and a bypass valve are carried in the lower housing.



Drainage device for closed chamber containing liquid

Tue, 19 May 2015 08:00:00 EDT

A drainage device for draining liquid out of a closed chamber includes an air cylinder, a driving assembly, a first channel, a second channel, a first sealing assembly, a second sealing assembly, and a controller. The air cylinder includes a main body defining a receiving chamber, an action piston positioned in the receiving chamber of the main body, and a connecting rod connected to the action piston. The main body defines a liquid inlet and a liquid outlet, both of which communicate with the receiving chamber, and the presence of a fixed piston with a seal in each of the inlet and outlet creates a double-acting one-way valve when the action piston is moved up and down.



Membrane surface modification

Tue, 19 May 2015 08:00:00 EDT

Processes for preparation of macroporous membranes having unusually high equilibrium protein binding capacities are described. Membranes include a self-supporting porous membrane substrate and a grafted polymeric film on the pore surfaces of the substrate. A polymeric film may be grafted to the porous membrane substrate using surface-initiated polymerization. The grafted polymer chains within the polymeric film can act as molecular ‘brushes’ or ‘tentacles’ in solution and can contain one or more capture chemistries for biomolecules. Membranes can be used in the separation and purification of biomolecules such as proteins, nucleic acids, virus or virus-like particles, endotoxins, and the like.



Molded activated charcoal and water purifier involving same

Tue, 19 May 2015 08:00:00 EDT

The present invention provides molded activated carbon, and the molded activated carbon is produced by molding a mixture containing powdery activated carbon (a) having a median particle size of 80 μm to 120 μm and a standard deviation σg of 1.3 to 1.9 in a particle size distribution and a fibrous binder (b). The molded activated carbon of the present invention has excellent removability for free residual chlorine, volatile organic compounds, CAT, and 2-MIB and excellent turbidity filterability, and is for use as a water purifier cartridge or the like.



Chromatography media and method

Tue, 12 May 2015 08:00:00 EDT

Adsorptive media for chromatography, particularly ion-exchange chromatography, derived from a shaped fiber. In certain embodiments, the functionalized shaped fiber presents a fibrillated or ridged structure which greatly increases the surface area of the fibers when compared to ordinary fibers. Also disclosed herein is a method to add surface pendant functional groups that provides cation-exchange or anion-exchange functionality to the high surface area fibers. This pendant functionality is useful for the ion-exchange chromatographic purification of biomolecules, such as monoclonal antibodies (mAbs).



Preventing or reducing scale in wet-process phosphoric acid production

Tue, 12 May 2015 08:00:00 EDT

Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.



Filter media for use in pool filters

Tue, 12 May 2015 08:00:00 EDT

A sand filter for use with swimming pools includes a tank that has a hollow interior space and a top diffuser for allowing spent pool water to enter the tank and for distributing the pool water inside the tank. The sand filter also includes filter media formed as a bed of material on a bottom of the tank and also includes laterals that are located under the filter media and allow filtered pool water to exit the tank and flow back to the pool. The filter media includes a bed of sand that is disposed on the bottom of the tank and a layer of perlite material that is disposed on a top surface of the bed of sand. The perlite material is a high flow rate, low density perlite material that only contains a trace amount of floaters.



Fuel filter with snorkel vent

Tue, 12 May 2015 08:00:00 EDT

A filter element is provided with a snorkel that facilitates bleeding of air along the outside periphery of a tubular filter media pack to a bleed chamber contained within the filter element. This may be employed in fuel filtration applications during installation and removal of filter elements whereby air can be temporarily trapped in a housing containing the filter element. The snorkel thus vents the air along the outside of the filter element and then into a bleed chamber where it can be communicated to a standpipe having an isolated bleed passage.



Apparatus and method for filtering liquids, particularly organic liquids

Tue, 12 May 2015 08:00:00 EDT

The present invention relates to an apparatus and a method for filtering liquid products. The apparatus includes a filtration bell provided with filtering device and connected to an inflow circuit and a first outlet circuit of the retentate, and to a second outlet circuit of the filtered liquid. The apparatus can include a monitoring and control unit, a first and second sensing device suitable for detecting the value of a first pressure PT1 in the first outlet circuit and of a second pressure PT2 in the second outlet circuit, a flow rate detection device that detects the value of a first flow rate FIT in the second outlet circuit, and value device arranged in the second circuit downstream of the second sensing device. The monitoring and control unit includes a device to control the closure of the valve device and to start a process of backwashing the filtering device.



Liquid flotation system with energy recovery devices

Tue, 12 May 2015 08:00:00 EDT

A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and a pump comprising a pump inlet coupled to the secondary outlet and a pump outlet communicating fluid to the absorption tank. The absorption tank forms a solution from the fluid and gas. A turbine mechanically couples the pump with a common shaft extending to the pump. The turbine has a turbine inlet coupled to the absorption tank and a turbine outlet coupled to the secondary inlet. The turbine depressurizes the solution. The system may also use a centrifugal pump in place of a turbine and absorption tank.