Abstract: Provided herein are methods for isolating nucleic acids from intact cells in a sample of intact cells and cell free nucleic acids. The intact cells and cell free nucleic acids are captured and concentrated within the pores of a silicate matrix in a microporous silicate filter. Within the silicate matrix the cell free nucleic acids are degraded with a nuclease, the intact cells are lysed with the released DNA binding to the silicate, the nuclease treated cell free nucleic acids and contaminants from the lysed are washed from the silicate matrix and the DNA bound to the silicate is eluted therefrom to form an isolated DNA product.

Abstract: A binary cleanup device for sample pretreatment of compound analysis and a simplified sample pretreatment method using the binary cleanup device are disclosed. The simplified sample pretreatment method includes a homogenization step to crush the sample, an extraction/partition step to mix the crushed sample with a solvent and a salt reagent into a sample liquid, a filtration step to remove solid matters from the sample liquid, and a cleanup step to clean up the filtered sample liquid using a binary cleanup device, which is consisting of a liquid transfer device and a filter tube filled up with a cleanup agent. Draw a defined portion of the filtered sample extracts via the liquid transfer device, and then let the aspirated sample liquid pass through the cleanup agent of the filter tube. Thus, a single liquid transfer step that achieving accurate sampling and rapid cleanup, simultaneously.

Abstract: A force sensor array that includes a circuit board, a plurality of gas pressure sensors arranged on the circuit board, and an energy-absorbing film layer covering a gas nozzle of each gas pressure sensor. The energy-absorbing film layer has an elastic deformability, and the energy-absorbing film layer can convert impact kinetic energy into heat energy.

Abstract: The invention relates to a filter medium (31) comprising two porous zones arranged in the form of a stack: a first porous zone (100), called “prefiltration”, treated with at least one reagent presenting affinity for red blood cells and leading to red blood cells being captured or agglutinated on the prefiltration zone; and a second porous zone (200), called “asymmetric”, presenting pore size that decreases transversaly to its thickness, the portion of higher pore size being positioned towards the prefiltration zone (100). The invention also relates to systems, devices, and methods making use of the medium.

Abstract: A dishwasher that includes a tub including an interior area that is configured to receive objects and includes a bottom surface, wherein the bottom surface of the tub includes a first hole; a spray arm that is located in the tub and that is configured to spray water; a sump that is (i) coupled to the tub, (ii) located under the first hole, and (iii) configured to store water; a pump configured to provide water stored in the sump to the spray arm; a cover including a cover body that is coupled to the first hole, and a second hole penetrating the cover body; a supporter including a support body that is coupled to the second hole, and a third hole penetrating the support body; and a filter unit that is coupled to the third hole and that is configured to filter water provided to the sump is disclosed.

Abstract: A method for measuring the physical properties of a drug formulation suspended in a pressurized liquid propellant and a system to enable such measurements is disclosed. Drug formulations suspended in pressurized liquid propellant used in Pressurized Metered Dose Inhalers (pMDIs) are propelled in their native liquid state into an analytical instrument with a measurement cell capable of withstanding the pressure required to retain the sample in liquid form by employing a device to rapidly release the contents of the pMDI canister into the measurement instrument wherein the sample's electrophoretic mobility and size may be determined by MP-PALS or other techniques. A series of valves permits the maintenance of the high pressure in the system. Once the measurements are made, the pressurized liquid is allowed to pass to waste or another analytical instrument by opening an exit valve.

Abstract: A filtering device may includes a bag-shaped filter member that is capable of being connected to a fuel inlet port of a fuel pump disposed in a fuel tank in order to filtrate fuel drawn by the fuel pump, and a wall member that is connected to the filter member such that a fuel reservoir portion can be defined above the filter member.

Abstract: An inertion funnel includes a hollow ring with an attachment point on an outside edge and a plurality of output apertures on the inside edge allows for an even flow of gas around the circumference of the ring and through the output apertures into a filter funnel below. The attachment point allows the attachment of a hose or other fitting through which gas flows into the hollow ring, which rests above and around the opening of the filter funnel. On the inside of the ring, an angled downward opening allows gas to flow out of the ring and into the filter funnel. Uniformly distributed around the opening are vanes that direct the flow of gas from the ring into the filter funnel below.

Abstract: A filter assembly adapted for insertion into an inner chamber of a pressure vessel, wherein the assembly includes: a spiral wound membrane module including at least one membrane envelope and feed spacer sheet concentrically wound about a central permeate tube extending along an axis (X) forming an inlet scroll face and outlet scroll face and a cylindrical outer peripheral surface, and a brine seal disposed concentrically about a portion of the outer peripheral surface; characterized by the brine seal including: i) a radially extending flexible lip defining a maximum outer diameter adapted to engage the inner chamber of the pressure vessel, ii) an end cap surface covering a portion of the first scroll face, and iii) at least one opening in the end cap surface for permitting fluid to flow through the inlet scroll face and into the feed spacer sheet of the module.

Abstract: A recycling process for achieving near-zero emissions of tannery effluent is characterized in that effluent recycling is carried out independently in soaking, liming, re-liming, de-liming bating, pickling chrome tanning, re-tanning, neutralizing, and dyeing procedures. The effluents in the above procedures can be recycled in each step. This process greatly reduces effluent discharge and helps solve the problem of tanning pollution. The process also improves the quality of the finished leather, effectively decreases loose grain rate and increases compactness and fullness of the finished product. The project can reduce chemical material consumption by 15%-55%. For example, the consumption of chromium powder can be reduced up to 65%. Consumption of other chemical materials can be reduced by more than 90%, while certain chemical materials can be essentially completely conserved.

Abstract: The filter comprises a case and a removing cap mechanically connected by vertical uprights as well as cylindrical filtering net placed between the case and the cap. The case is made as a truncated perforated hollow cone, and a non square full slot along its big bass periphery. The slot forms a continuous contour to place the filtering net end. The uprights are attached to the cap by a set of screws. This version makes the filter durable, reliable and repairable.

Abstract: A filter assembly is provided. The filter assembly includes a filter cartridge with a containment bag including a vent port and a support housing, including a split lid.

Abstract: A device for fractionation of a fluid containing particles and extraction of a particle-lean volume and a particle-rich volume, including: a cylindrical reservoir including an inlet orifice to supply the reservoir with fluid in a pumping direction from first to second ends of the reservoir; a fractionation body extending along a central axis of the reservoir, an upstream end positioned in vertical alignment above the inlet orifice, a cross section of the fractionation body reducing sharply at its downstream end; the fractionation body defining, with the reservoir, a first passage opening at the downstream end onto a recirculation zone with a geometric singularity; and an extraction mechanism downstream of the fractionation body to separate and extract the lean and rich volumes, including a partition delimiting an extraction volume configured, as fluid circulates in the pumping direction, to receive the particle-lean phase formed in the recirculation zone.

Abstract: The invention relates to a method for sealing a filter chamber of a filter device, comprising a sequence of steps, including moving the recess plate close to the adjacent recess plate for building the pack, and securing the recess plate to the adjacent recess plate, piping a suspension into the filter chamber on a cake side of a filter cloth, letting a solid content of the suspension settle on the filter cloth as a filter cake, and a liquid fraction of the suspension permeate the filter cloth to a filtrate side thereof, and discharging the filtrate out of the filter chamber. The invention further relates to a recess plate for use in a filter device, the recess plate comprising a recess, and a groove encircling the recess, the groove being adapted to receive a sealing ring for sealing a filter chamber.

Abstract: The present invention is directed to methods and systems for pre-treating sewage sludge in a sewage treatment works (STW) to facilitate anaerobic digestion. These methods include (a) passing sewage sludge through one or more pre-treatment devices, wherein each pre-treatment device comprises (i) a passage of substantially constant diameter having an inlet in fluid communication with the STW and an outlet; and (ii) a transport fluid nozzle communicating with the passage and adapted to inject high velocity transport fluid into the passage; (b) passing the sewage sludge treated in step (a) to an anaerobic digester; and (c) collecting methane produced in step (b). Other methods are also provided for pre-treating a bio-degradable waste flow.

Abstract: A separator having a pressure differential generating system is disclosed. The pressure differential generating system generates a pressure differential with respect to a screen of the separator. Fluid is supplied to the pressure differential generating device to generate the pressure differential across a screen of the separator. The separator can be utilized to separate drill cuttings from drilling fluid to increase an amount of drilling fluid recovered as a result of the pressure differential.

Abstract: The invention relates to a method and a system for the pretreatment of lignocellulosic material by thermal hydrolysis, in particular with a view to producing bioethenol, wherein the material is first admixed with water and is then passed to a reactor, in which the soaked material is subjected to a high temperature and a high pressure to such an extent that is it accessible for a subsequent treatment with enzymes, following which the treated material is separated into liquid part and a solid part, where the solid component is subsequently used for the production of bioethenol and enzymation and fermentation. Exclusively steam is used in the method and the corresponding system for heating, stirring and transport, as e.g. the transport through the various elements of the system is provided by a pressure difference between the compartments of the elements. The material (32) is discharged to an economizer (4), in which a separator (5) separates the material into a solid part and a liquid part.

Abstract: This invention relates generally to a process and an apparatus therefor for recovering valuable or harmful water miscible liquids from mixtures such as slurries that contain such liquids and solid particles.

Abstract: The present invention relates generally to fluid filtration, such as, for example, filtration systems and methods, filtration units, pitchers, and components thereof.

Abstract: A method of filtering a feed liquid in a membrane filtration assembly is provided comprising introducing feed liquid to be treated into a filtration chamber of a membrane filtration system including a membrane module having one or more permeable hollow membranes, the module being located in the filtration chamber, and the filtration chamber having an open upper end located above an upper header of the membrane module and a closed lower end, and feed tank surrounding the filtration chamber. The feed tank may be configured to provide the feed liquid through the open upper end of the filtration chamber, and the feed liquid may be applied to the surface of the membranes within the membrane module and withdrawn from the lumens of the membranes as filtrate.

Abstract: A method for concentrating fibril cellulose including subjecting aqueous fibril cellulose at a concentration of not higher than 5% to pressure filtration where water is removed from the fibril cellulose by applying pressure to the aqueous fibril cellulose, and continuing the pressure filtration continued to an end point where over 50% of the water initially present is removed from the fibril cellulose. The pressure filtration is performed at a temperature of 30° C. or higher.

Abstract: The present invention relates to a device and a method for reducing friction between two plates (4, 5) of a filtration unit, said plates being rotated relative to one another by being subjected to axial pressing forces, said plates being supported by the longitudinal end of a drum (1) secured to a rotary shaft (3) mounted on a bearing (6) and having internal collectors (11), and the opposite end of a casing (2) which is rotatably locked and supported by said shaft, respectively, characterised in that it includes at least one pulling system (8) engaging with the casing (2) by exerting a force intended to at least partially compensates for the axial forces pressing the plate (5) against the plate (4), in order to reduce friction while ensuring that tight mutual contact is maintained.

Abstract: A system and method for filtering fuel using a fuel filtration system are disclosed. The fuel filtration system may include a fuel filter, a siphon mechanism and a filter shaft. A first end of the filter shaft may be connected to the fuel filter and a second end of the filter shaft may be connected to the siphon mechanism, each of the fuel filter, the siphon mechanism and the filter shaft may be positioned within a fuel tank. Fuel within the fuel tank may be filtered using the fuel filtration system by a siphon action.

Abstract: An apparatus and method to perform multiple filtration steps with a modular filtration apparatus and single cycle. A stackable modular filter cup has features to allow stacked cups to be separated without the need for substantial effort yet without diminishing the effect of vacuum assisted filtration. Each cup is formed with a slip seal segment and/or a series of substantially vertical channels or ridges on an inner or outer wall to reduce surface contact between nested filter cups.

Abstract: A method of removing oil from a mixture of tool steel swarf granular material and oil. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification must commence on a separate sheet, preferably following the claims, under the heading “Abstract of the Disclosure.” The purpose of the abstract is to enable the Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract shall not be used for interpreting the scope of the claims. Therefore, any statements made relating to the abstract are not intended to limit the claims in any manner and should not be interpreted as limiting the claims in any manner.

Abstract: The invention relates to the filtering of liquid samples, preferably in a laboratory environment, for example for collecting micro organisms from the liquid sample for subsequent testing. The invention provides a method for filtering a liquid sample which comprises providing a blank of a deformable sheet material and a filtration medium, deforming the blank to form a funnel extending above and about the filtration medium, introducing the liquid sample to be filtered into the so formed funnel, and filtering the liquid sample from the funnel through the filtration medium, for example to a downstream receptacle. The method is accordingly based on the concept that the funnel is not or at least not completely preformed but provided in a form of a blank of a deformable material sheet which is deformed so as to form the funnel at the point and time of use during filtration.

Abstract: An equipment assembly for preparing, harvesting and collecting particles is disclosed. The assembly comprises a tandem filter system with one or more high pressure filters, one or more low pressure filters and one or more collection vessel. Particles can be prepared, harvested and collected continuously, semi-continuously or in a batch-type operation. A tandem filter system and its method of use are also disclosed. Particles made with the assembly and according the instant methods are also disclosed. The assembly provides improved particle harvesting and collection over other systems and permits continuous particle formation, in particular by dispersion of a solute-containing process fluid within a supercritical anti-solvent.

Abstract: A method and apparatus for dewatering a mixture of granulate and water are disclosed. In accordance with one example of the system described herein, the apparatus includes a casing as well as hollow sieve body with side walls formed as a sieve, the sieve body being arranged in the casing and suspended thereto. The sieve body tapers towards the bottom, and a clearance is formed between the casing and sieve body. For delivering the granulate-water mixture an inlet is arranged in the upper part of the sieve body. A corresponding outlet for the dewatered granulate is located at the bottom of the sieve body. The inlet is arranged in the sieve body and the sieve is formed such that the water laterally escapes through the sieve into the clearance due to centrifugal and gravitational forces when passing through the sieve body from top to bottom.

Abstract: A method and a computer program product perform a backwash process, which facilitates a reduction in a reject rate associated with a water treatment tank. If a backwash process is needed, an upper burst solenoid is operated to start an airlift flow in a first airlift path at a first position and at a first point in time, at a bottom portion of the water treatment tank, and a lower burst solenoid is operated to start an airlift flow in a second airlift path at a second position and at a second point in time. The second position is below the first position and the second point in time is after the first point in time. The airlift flow in the first and second airlift paths enables suitable water flow within the water treatment tank.

Abstract: A cap has recess containing a porous frit and a graded porosity filter located so fluid from a container to which the cap is connected passes through the filter and out a spout on the cap. The filter porosity is selected to pass product expressed from cellular organisms grown in growth media inside the container while filtering out debris. A cap vent allows positive pressure in the container ullage to expedite filtering and reduce agitation of the container contents. This is not just a cap with a filter but an enabling tool. This tool enables total design change in many processes from previous thinking, allowing for the maximization of purified material, and reduction of multiple steps.

Abstract: Described herein are devices for providing drinking fluid from feed sources comprising: a first reservoir, a filter for mechanically removing particles and a second reservoir for receipt of the processed feed fluid. A continually disinfecting element is disposed in either or both reservoirs to remove additional materials from the fluid. Drinking fluid is provided in a portable device. Optional light sources are provided to interact with the disinfecting elements and/or provide an indication of the contained suitability of such disinfecting elements. A method for creating drinking fluid from a feed source is also disclosed.

Abstract: A portable waste water treatment apparatus can be used to treat a flow of waste water in an industrial setting. The apparatus includes a waste water reservoir, a pump within the apparatus transferring a flow of waste water from the waste water reservoir to a filter, the filter which is configured to treat the flow of waste water, a treated water reservoir receiving and holding the treated water, and a shell encapsulating and permitting unitary transport of the waste water reservoir, the pump, the filter, and the treated water reservoir. The filter of the apparatus is further configured to remove oil from the flow of waste water. The treated water can be dispensed from the treated water reservoir upon demand.

Abstract: The present invention relates to a method of filtering a feed and waste water treatment system using the filtration method. The method utilizes a filtration cake for the filtration, which filtration cake is formed by elements contained in a liquid having a different composition than the feed to the filtered. The invention relates in particular to a method for filtering a liquid containing solid particles of different sizes which utilizes a filtration cake formed at least partly and preferably only from particles contained in said liquid containing solid particles of different sizes. The particles of the filtration cake are deposited on a filtration cake support and the method involves separation of the liquid containing solid particles of different sizes into two fractions: one fraction containing solid particles above a certain size and one containing smaller particles, and filtering the fraction containing smaller particles through the filtration cake.

Abstract: A system for performing a flash separation of a reservoir fluid includes a sample chamber configured to hold the reservoir fluid and a flash apparatus in fluid communication with the sample chamber. The flash apparatus includes a microfluidic device configured to flash the reservoir fluid in fluid communication with the sample chamber, and a separation chamber configured to separate the flashed reservoir fluid into a liquid phase and a gaseous phase in fluid communication with the microfluidic device. The system further includes a gas receptacle configured to store the gaseous phase. A method for performing a flash separation of a reservoir fluid includes providing a reservoir fluid to a microfluidic device, urging the reservoir fluid through the microfluidic device such that the reservoir fluid is lashed within the microfluidic device, and separating a liquid phase and a gaseous phase from the flashed reservoir fluid.

Abstract: A method of removing contaminants from slurry samples is set forth. The method includes the utilization of repeated pressurizing and depressurizing steps to disrupt solidified particles in solid-containing slurries thereby increasing decontamination efficiency. An expansion fluid is injected into the slurry sample sufficient to create microbubbles when the slurry sample is depressurized. The micro bubbles mechanically disrupt the solidified particles increasing contaminant exposure. The microbubbles also provide for increased interfacial regions where contaminants can accumulate at gas-liquid thin films that are in close proximity to and can be effectively removed using a suitable expansion fluid and optional decontamination agents.

Abstract: Disclosed are an apparatus and a method for reducing a processing liquid consumed for removing bubbles from a new filter unit, and shortening a start-up time when the filter unit is attached in a processing liquid supply passage. The method includes: filling the processing liquid into a new filter unit, decompressing inside of the filter unit into a first pressure atmosphere in order to remove bubbles from the filter unit, boosting a pressure of the inside of the filter unit, flowing the processing liquid into the filter unit from a primary side of the filter unit, and supplying the processing liquid flowing from the filter unit to an object to be processed through a nozzle thereby performing a liquid processing and quickly removing the bubbles.

Abstract: The present invention relates to an apparatus for removing liquid from a suspension. More particularly, the present invention relates to a filtration apparatus using vacuum pressure, compressed air and radiant heat to facilitate extraction of water from a suspension and an air flow within the vacuum chamber to remove the evaporate as a cost-efficient and resource-efficient means of filtering and drying solids in large volumes of suspension to remove interstitial and chemically bound liquids, resulting in up to 100% total solids.

Abstract: The invention relates to microscale cell separating apparatus which are able to separate cells on the basis of size of the cells, interaction of the cells with surfaces of the apparatus, or both. The apparatus comprises a stepped or sloped separation element (16) interposed between an inlet region (20) and an outlet region (22) of a void that can be tilled with fluid. The void can be enclosed within a cover (12) and fluid flow through the void engages cells with the separation element. Only cells which have (or can deform to have) a characteristic dimension smaller than or equal to the distance between a step and the cover or body can pass onto or past a step. Modifications of surfaces within the apparatus can also inhibit passage of cells onto or past a step.

Abstract: A method of treating water, applicable to sterilise water for drinking or to treat ballast water, may include flowing water through a conduit containing a reduced pressure zone arranged to reduce the pressure of the flow by at least 102 to a sub-atmospheric pressure. The method may include passing water through a siphon conduit having a headspace provided with a gas removal pump.

Abstract: The invention provides for a process for treating wastewater containing fluoropolymer resin waste solids comprising: passing the wastewater through hollow fiber membranes to separate fluoropolymer resin waste solids and produce treated filtrate water; and removing the fluoropolymer resin waste solids from the wastewater.

Abstract: An independent blood filter device depends on flow geometry to deliver blood serum or plasma free of detrimental levels of hemoglobin. It depends critically on an upstream flow rate or pressure differential limiting control element or device that limits the rate of change of pressure differential across the filter element. Pre-evacuated versions can be used to simultaneously draw blood from a living being and provide pressure differential across the filter element between an evacuated collector and a supply end open to atmosphere. A unit pressurized by hand motion employs the external shape of a partially filled blood collection tube as a piston to produce pressure in advance of the control element or device to create the pressure differential across the filter element to a collector vented to atmosphere. The control element or device is disclosed in numerous forms, including specially sized flow constrictions and compliant arrangements.

Abstract: A system and method for processing samples. The system can include a loading chamber, a detection chamber positioned in fluid communication with the loading chamber, and a fluid path defined at least partially by the loading chamber and the detection chamber. The system can further include a filter positioned such that at least one of its inlet and its outlet is positioned in the fluid path. The method can include positioning a sample in the loading chamber, filtering the sample in the fluid path to form a concentrated sample and a filtrate, removing the filtrate from the fluid path at a location upstream of the detection chamber, moving at least a portion of the concentrated sample in the fluid path to the detection chamber, and analyzing at least a portion of the concentrated sample in the detection chamber for an analyte of interest.

Abstract: According to an embodiment of the present disclosure, a process liquid supply apparatus operating method is provided. The method includes filling a filter unit with a process liquid from an upstream side of the filter unit to a downstream side of the filter unit after newly mounting or replacing the filter unit and repeating a depressurization filtering process and a pressurization filtering process for a predetermined number of times. The depressurization filtering process depressurizes the process liquid in the downstream side of the filter unit and thereby allows the process liquid to permeate through the filter unit. The pressurization filtering process pressurizes the process liquid from the upstream side of the filter unit and thereby allows the process liquid to permeate through the filter unit.

Abstract: Extracting or removing at least a portion of liquid phase from a whole sample using a centrifugal force is disclosed. Centrifugal forces are used to apply pressure to a whole sample and drive a liquid phase through a passage region that can be perforated and/or porous and maintain a drier portion within a separation container. The whole sample can be dried, which includes a remaining sample where excess or a selected amount of liquid is removed. Direct access to the separation container or area can then be made to provide for an efficient withdrawal of the drier material from the separation container.

Abstract: A filtration container assembly generally includes an outer container having a first end and a second end and defining an inner cavity, and a plunging assembly configured to be received within the outer container inner cavity, wherein the plunging assembly includes an inner sleeve having a first end and a second end and an outer wall defining an inner bore, wherein the outer wall is continuous from the first end to the second end, and a filtration assembly coupled to the inner sleeve at the second end.

Abstract: A filtration container assembly generally includes an outer container having a first end and a second end and defining an inner cavity, and a plunging assembly configured to be received within the outer container inner cavity, wherein the plunging assembly includes an inner sleeve having a first end and a second end and an outer wall defining an inner bore, wherein the outer wall is continuous from the first end to the second end, and a filtration assembly coupled to the inner sleeve at the second end.

Abstract: The present invention provides, in at least one embodiment, a system and method for producing cleaner water and air without using additional power. The system produces cleaner water by heating the sucked air, which improves the efficiency of the air stripping. The system produces cleaner air by fanning the contaminated air through a thermal oxidizer and/or a carbon filterator. The fanning is powered by a belt pulley powered by the gravitational force from the contaminated water.

Abstract: Provided are devices, device systems, and methods to intercept and kill fluid borne cancer cells to slow or prevent metastases.

Abstract: The present disclosure provides devices and methods for harvesting and processing tissue from patients for grafting. The devices can include a tissue collection chamber for ascetically collecting, processing, and/or re-implanting adipose tissue.

Abstract: This invention incorporates barrel-shaped polymer-structured separatory funnels. The separatory funnels are made from an injection molding machine using cheaper plastic resins such as polypropylene, or polyethylene instead of glass in order to lower costs, so they are ready-to-use and disposable. The innovative separatory funnels have multi-functional features, which can be used as regular separatory funnels for liquid-liquid phase separation and extraction, as receiving receptacles to take the filtrate in a solid-liquid filtration apparatus, and also as flasks hooked in a rotary evaporator to evaporate solvents.