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9034179 Method and device for the purification of an aqueous fluid  
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...
9028695 Process for producing reclaimed water and system for producing reclaimed water  
The process includes operation as follows: putting ozone generated by an ozone generator into raw water, in a normal mode, to subject the raw water to ozone treatment; injecting a flocculant into...
8999162 Water treatment systems and methods  
Water treatment systems and methods are provided to minimize membrane fouling and the required maintenance that results therefrom. A water treatment system includes a pressure vessel with a...
8980094 Method for filling and rinsing a set of blood lines  
A method for the filling and flushing of a blood tube set including a pump segment for a blood pump, an arterial line connected to an inlet of a dialyser, a venous line connected to an outlet of a...
8968568 Water filtration system  
A water or liquid substance filtration device is disclosed which removes microorganisms and organic contamination and sterilizes the containers and water lines after the unit. The unit is...
8961787 Systems and methods for processing complex biological materials  
Method and systems, for processing biological material, that contain a biological material in a vessel; add an aggregating agent to the material in the vessel and allow the material to separate...
8932469 Personal hemodialysis system including priming sequence and methods of same  
A dialysis machine includes a blood circuit, a dialysate circuit, and a dialyzer placed in communication with the blood circuit and the dialysate circuit. The dialysis machine includes a priming...
8931647 Highly durable porous PVDF film, method of producing the same and washing method and filtration method using the same  
The present invention provides a PVDF porous film and method for producing it, which has high water permeability and high chemical resistance to washing chemicals and the like that has been...
8920573 Method of improving purity and yield of chemical product in automatic radioactive medicine synthesis system  
The present invention increases a number of target reaction containers from one into many. Coordinated with increased reaction times, total reaction volume is increased. By modifying an affinitive...
8906972 Aqueous two phase (ATPSs) of pH-responsive poly(phosphonate-alt-sulfur dioxide) with PEG  
An aqueous two-phase system (ATPS) containing a poly(oxyethylene) (POE) and a poly[sodium (diallylamino)alkylphosphonate-alt-sulfur dioxide] form a pH-responsive dianionic polyelectrolyte (DAPE)....
8900458 Method of isolating target substance using membrane and apparatus therefor  
A separation apparatus using a membrane for diafiltration, which provides precise fractionation of a target substance by monitoring and regulating permeability of the target substance based on...
8894858 Method and assembly for water filtration using a tube manifold to minimize backwash  
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...
8871822 Cross-linked polyphosphonate-sulfone composition for removal of metal ions from wastewater  
The cross-linked polyphosphonate-sulfone composition for removal of metal ions from wastewater relates to a cross-linked anionic polyelectrolyte polymer for the removal of metal ions, such as lead...
8857279 Analyte screening and detection systems and methods  
Methods of concentrating an analyte that is in liquid and method of detecting an analyte in a liquid are disclosed. Methods of screening a liquid for the presence of an analyte are also disclosed....
8852438 Membrane filtration module with adjustable header spacing  
A membrane filtration device has a multiplicity of hollow fiber membranes, or fibers, unconfined in a shell of a module; a first header and a second header disposed in vertically spaced-apart...
8821726 Submerged membrane separator  
A submerged membrane separator 31 includes: a casing 33 opened at the top; a plurality of flat membrane cartridges 34 arrayed at intervals in the casing 33; and an air diffuser 36 provided below...
8801867 Method for cleaning filter membranes  
A method for cleaning process apparatus used for production of liquids, especially for cleaning filters, for example membrane filters. The apparatus is contacted with a solution of periodate. It...
8790515 Reduction of backwash liquid waste  
A method of filtering solids from a liquid suspension comprising providing a pressure differential across the walls of permeable, hollow membranes (5) immersed in the liquid suspension contained...
8784662 Filtration with internal fouling control  
Filtration processes and systems are provided for the separation of a filterable fluid stream by a filtration membrane module with uniform transmembrane pressure and flux along the membrane and...
8778189 Use of an adsorbent for the removal of liquid, gaseous and/or dissolved constituents from a process stream  
A method for removing liquid, gaseous and/or dissolved constituents from an aqueous stream includes contacting the aqueous stream with a porous material and then contacting the aqueous stream with...
8771513 Regeneratable filter for extracorporal treatment of liquids containing particles and use thereof  
The invention relates to a regeneratable filtering and adsorbing system, combining the properties of membrane filtration with those of particle-based adsorption in a closed housing.
8764992 Method of fractionating oxidic nanoparticles by crossflow membrane filtration  
A method of fractionating a dispersion of oxidic nanoparticles wherein at least one step of the method is a membrane crossflow filtration step, the flow of the dispersion over the membrane being...
8758623 Liquid to liquid biological particle concentrator  
A rapid one-pass liquid filtration system efficiently concentrates biological particles that are suspended in liquid from a dilute feed suspension. A sample concentrate or retentate suspension is...
8758622 Simple gas scouring method and apparatus  
A method of cleaning a membrane (6) in a membrane filtration system by flowing gas bubbles past the surfaces of the membrane (6) to scour accumulated solids therefrom. The method includes flowing...
8758621 Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis  
A method of purifying impure water contaminated with a filterable impurity and a dissolved impurity, such as seawater, comprising the steps of: providing impure water to a primary microfiltration...
8733557 Substrate and method for production thereof  
The present invention relates to a substrate including a compound having blood anticoagulation activity and a hydrophilic polymer compound, wherein the amount of elution of the compound having...
8728319 Purifying device for deeply treating printing and dyeing wastewater, and purifying process therefor  
A purifying device and a process for deeply treating printing and dyeing wastewater are provided. The device includes a nanometer catalytic microelectrolysis system, a membrane filtration and...
8696913 Determining biofilm thickness in a membrane supported biofilm reactor  
A method of assessing biofilm thickness in a membrane supported biofilm reactor (MSBR) of the type comprising a lumen containing a gas phase, a liquid phase, and a gas permeable membrane providing...
8685252 Water treatment systems and methods  
Water treatment systems and methods are provided to minimize membrane fouling and the required maintenance that results therefrom. A water treatment system includes a pressure vessel with a...
8685249 Multi-stage seawater desalination apparatus and operation control method of multi-stage seawater desalination apparatus  
A high-pressure pump P1 that increases the pressure of raw water, a high-pressure reverse osmosis device including a high-pressure reverse osmosis membrane for concentrating a salt content in...
8679347 Multi-use high water recovery process  
Disclosed is a versatile multi-use high water recovery process that integrates the use of water purification membranes including reverse osmosis and nanofiltration with ion exchange water...
8663474 Non-blocking filtration system  
A non-blocking filtration system wherein the suspension filtered continuously scrubs the filter, keeping it free of deposits of solid deposits while the filtrate is removed in a variety of...
8652331 Membrane system backwash energy efficiency  
A method of backwashing a membrane filtration system comprising at least one permeable membrane, preferably a hollow fiber membrane, the method comprising the step of applying a pressurized gas at...
8641904 Method for membrane backwashing and backwashing apparatus  
A backwashing method incorporating a membrane filtration apparatus in which a ceramic filtration membrane including a substrate layer 11b having an extremely large number of filtration pores and a...
8617393 Method and device for supply of a dialysis unit with dialysis fluid  
A method and a device for supply of a dialyser in a dialysis unit with dialysis fluid is disclosed. At least one dialysis fluid concentrate is mixed with water to produce the dialysis fluid. The...
8614260 Cross-linked polyphosphonate composition for removal of metal ions from wastewater  
The cross-linked polyphosphonate composition for the removal of metal ions from wastewater is a cross-linked anionic polyelectrolyte polymer having the formula: The cross-linked anionic...
8591739 Molecular separator  
The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which...
8591740 Method and system for biofouling control of shipboard components  
A chlorine based biofouling control subsystem is utilized to facilitate shipboard water management systems such as ballast water management that employ filters. The biofouling control system can...
8591738 Membrane unit and membrane separation device  
In a membrane separation apparatus, a cleaning effect for membrane elements by scrubbing is improved. In the membrane separation apparatus 14 including a separation membrane 5 (membrane element)...
8580117 System and method for replacing resist filter to reduce resist filter-induced wafer defects  
System and method for replacing a resist filter in such a manner as to reduce filter-induced wafer defects are described. In one embodiment, the system comprises a filtration system connected to a...
8580118 Water softener system using nanofiltration to reclaim a portion of the regenerating sodium chloride  
A water softening system includes apparatus and process that recycles a substantial percentage of the brine. This system conventionally includes a brine tank and a softening tank through which...
8562908 Devices, systems, and methods for cleaning, disinfecting, rinsing, and priming blood separation devices and associated fluid lines  
Systems and methods for providing for the automatic instrument-based rapid reprocessing of an intact extracorporeal circuit for use in hemodialysis. The system includes a manifold with connectors...
8562835 Fluid filter  
A fluid filter, particularly suitable for high pressure and high volume use, comprises a cylindrical housing (201) having an attachment plate (209) at an inlet end (202) to which is attached a...
8550253 Filtration apparatus  
A filtration apparatus includes: a filtration chamber; a sample introducing port for introducing a sample into the filtration chamber; a sample discharge port disposed at a position on an opposite...
8540879 Steam-sterilizable blood separating device  
A device for separating blood into individual components and/or groups of components, in the form of a sterilizable system includes a filter arrangement forming inlet and outlet chambers using...
8530679 Delta 9—tetrahydrocannabinol processing  
The present invention provides a process for handling Δ9-THC, which comprises preparing a solution of Δ9-THC in a solvent which exists as a gas at room temperature and atmospheric pressure. The...
8524086 Fluid purification system  
Certain disclosed embodiments concern systems and methods of preparing dialysate for use in a home dialysis system that is compact and light-weight relative to existing systems and consumes...
8518261 Water purification apparatus and method for using pressure filter and pore control fiber filter  
The present invention provides a water purification apparatus and method using a pressurized micro-filter preprocessed with a coagulation inclined-plate sedimentation reservoir and a pore-control...
8512568 Method of cleaning membrane modules  
A method of cleaning a membrane filtration module (6), the module (6) including at least one membrane (8) located in a feed-containing vessel (7), the membrane (8) having a permeable wall which is...
8506885 Method and system for inlet temperature monitoring for centralized heat disinfection of dialysis machine inlet lines  
A method for inlet temperature monitoring for centralized heat disinfection of dialysis machine inlet lines is described. The method can be used, for example, for a dialysis system which has a...