Matches 1 - 50 out of 310 1 2 3 4 5 6 7 >


Match Document Document Title
US20060081536 Ultrafiltration and microfiltration module and system  
A method and apparatus of purifying feedwater to remove impurities including suspended solids therefrom, the method suitable for using in-line water pressure to permeate water through hollow fiber...
US20110155667 Microfluidic Device for Blood Dialysis  
The invention provides microfluidic devices and methods of using such devices for filtering solutions, such as blood.
US20110049049 WATER PURIFICATION SYSTEM SKID  
The present invention concerns a water purification system comprising a tank section and a membranes section, wherein the tank section can be positioned with respect to the membranes section to...
US20100065498 Novel Coated Membranes and Other Articles  
The present invention provides porous media or membranes having a surface coating that includes a cross-linked terpolymer which has a superior combination of properties, including heat stable...
US20060000775 Scouring method  
A method and apparatus for removing fouling materials from the surface of a plurality of porous membranes (9) arranged in a membrane module (4) by providing, from within the module, by means (10)...
US20120205313 Sulfate removal from aqueous waste streams with recycle  
This invention provides for sulfate removal from a water source by a reverse osmosis (RO) or nanofiltration (NF) process where the concentrate stream is treated to precipitate and remove reject...
US20090136757 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...
US20060091075 Water filtration using immersed membranes  
A process for operating filtering membranes submerged in a tank involves, in one aspect, periodically deconcentrating the tank by partially emptying and refilling the tank with fresh water. The...
US20050023222 Filtration apparatus and method  
A filtration apparatus for treating a fluid prior to being injected into a subterranean hydrocarbon-bearing formation includes a filtration unit having one or more filtration membranes including...
US20160008763 Improved Spiral Wound Element Construction  
Embodiments of the present invention provide replacement of conventional separate feed spacer mesh with features placed, deposited or integrated on or into either the porous permeate carrier, the...
US20150129495 LOW ENERGY REVERSE OSMOSIS PROCESS  
We provide a system and method for reverse osmosis treatment of water, including seawater and brackish water. Methods and systems of embodiments of the invention may include, for example,...
US20100237016 DEPTH EXPOSED MEMBRANE FOR WATER EXTRACTION  
A DEMWAX™ water treatment system includes membrane modules and a collection channel. The membrane modules are submerged at depth and tethered to one or more anchors on the ocean floor. A breathing...
US20090211977 THROUGH-PLATE MICROCHANNEL TRANSFER DEVICES  
The present disclosure concerns embodiments of a microfluidic transfer device. The device mitigates risk of cross contamination between working fluids and is amenable to high-volume, low-cost...
US20090173694 ISOPOROUS MEMBRANE AND METHOD OF PRODUCTION THEREOF  
A membrane is produced by dissolving one or more polymers, at least one of which is a block copolymer, in a liquid which includes a solvent, to produce a casting solution. The casting solution is...
US20170001890 Fluid Treatment Methods and Systems  
Methods and systems for treatment of wastewater. In some embodiments, the system may comprise one or more modules such as an electrochemical module, an electrocoagulation module, a flotation...
US20130075334 Apparatus and Process For Treatment of Water  
The invention relates to the treatment of water, including for example treatment in connection with hydrocarbon production operations. Silica in water produces undesirable scaling in processing...
US20120024787 Novel Coated Membranes and Other Articles  
The present invention provides porous media or membranes having a surface coating that includes a cross-linked terpolymer which has a superior combination of properties, including heat stable...
US20110008866 Tangential Flow Filtration Apparatuses, Systems, and Processes for the Separation of Compounds  
The invention relates to apparatuses, machines, systems and methods for the recovery and purification of proteins, peptides, nucleic acids, biologically produced polymers and other compounds from...
US20090277837 Fluoropolymer Coated Membranes  
The present invention discloses fluoropolymer coated membranes and methods for making and using these membranes. The fluoropolymer coated membranes described in the current invention are prepared...
US20070102359 Treating produced waters  
The present invention is directed to various sets of unit operations for treating aqueous effluents and logic for designing and effecting the treatment. The unit operations include stabilization...
US20060011544 Membrane purification system  
A membrane purification system and method are described in which a first membrane, an osmotically active agent, and a second membrane are utilized to separate fluid components. In general, fluid...
US20140255636 Polymeric Membranes  
Disclosed are blended polymeric membranes that include at least a first polymer and a second polymer that is UV treated, wherein the first and second polymers are each selected from the group...
US20070278152 METHOD OF IMPROVING PERFORMANCE OF ULTRAFILTRATION OR MICROFILTRATION MEMBRANE PROCESS IN LANDFILL LEACHATE TREATMENT  
A method of processing landfill leachate by use of a membrane separation process is disclosed. Specifically, the following steps are taken to process landfill leachate: collecting landfill...
US20070163959 Screening apparatus for water treatment with membranes  
A static screen used upstream of a membrane assembly within a water treatment system has a screening surface with a number of openings distributed over its area. Liquid flows through the screening...
US20060278581 Shear-Enhanced Systems And Methods For Removing Waste Materials And Liquid From The Blood  
Systems and methods convey the blood through a gap defined between an inner surface that is located about an axis and an outer surface that is concentric with the inner surface. At least one of...
US20060261007 Methods of cleaning membrane modules  
A method and apparatus for backwashing a membrane filtration system wherein permeate remaining present in the filtration system wherein permeate remaining present in the filtration system when the...
US20160001235 Filtration membranes  
A porous membrane constructed of a cast polymeric film with a face located adjacent to at least a portion of the surface of a nanofiber substrate fabric. The membrane is not formed by lamination...
US20120205307 FLUID TREATMENT APPARATUS AND METHOD  
A method of treating a fluid comprises producing a permeate fluid (24) from an outlet (22) of a filtration unit (12), delivering the permeate fluid (24) to be injected into a subterranean...
US20110147308 Charged Porous Polymeric Membranes and Their Preparation  
A charged porous polymeric membrane comprises a porous polymeric membrane substrate comprising a polymeric membrane material and a first polymer having a first functional group, the first polymer...
US20080245737 METHOD AND SYSTEM FOR PROVIDING ULTRAPURE WATER  
A method and system of providing ultrapure water for semiconductor fabrication operations is provided. The ultrapure water is treated by utilizing a free radical scavenging system and a...
US20130126430 Systems, Apparatus, and Methods for a Water Purification System  
A water purification system comprising a cross-flow filter is arranged to permit recirculation of the retentate or reject water from the retentate outlet of the filter to the inlet of the filter....
US20120067820 METHOD AND APPARATUS FOR DYNAMIC, VARIABLE-PRESSURE, CUSTOMIZABLE, MEMBRANE-BASED WATER TREATMENT FOR USE IN IMPROVED HYDROCARBON RECOVERY OPERATIONS  
A method for treating seawater that includes the step of intaking water into at least one treatment block, wherein the treatment block includes a membrane pressure vessel having at least one...
US20080245736 Crosslinked cellulosic nanofiltration membranes  
The present invention relates to a nanofilter formed by using a porous ultrafiltration membrane as a precursor, and carefully controlling reaction conditions so as to maintain sufficient...
US20070278151 METHOD OF IMPROVING PERFORMANCE OF ULTRAFILTRATION OR MICROFILTRATION MEMBRANE PROCESSES IN BACKWASH WATER TREATMENT  
A method of processing backwash water by use of a membrane separation process is disclosed. Specifically, the following steps are taken to process backwash water: collecting backwash water in a...
US20050194315 Membrane batch filtration process  
A membrane batch filtration process has a step of reducing the water level in the tank by permeation prior to emptying the tank to reduce the volume of water drained after each batch. Permeation...
US20160053425 WATER TREATMENT SYSTEM  
This invention relates in general to a water treatment system and process for a continuous batch or “tunnel” washing machines. The water treatment system comprising; a continuous batch laundry...
US20110315632 MEMBRANE FILTRATION SYSTEM  
A membrane system is disclosed. The membrane system may include a treatment process wherein both at least a portion of a permeate output of the membrane system and a concentrate output of the...
US20090107915 TREATMENT PROCESS AND SYSTEM FOR WASTEWATER, PROCESS WATERS, AND PRODUCED WATERS APPLICATIONS  
A method for the removal of contaminants from a contaminated water stream, by pretreating the contaminated water stream to yield a pretreated water stream, wherein pretreating comprises passing...
US20050115899 Membrane bioreactor having single header membrane module  
A filtration apparatus for filtering liquid has a filtration cell having generally vertical front and rear panels spaced apart to define a cell length, and generally vertical side panels extending...
US20120325746 POLYMER MEMBRANE FOR WATER TREATMENT AND METHOD FOR MANUFACTURE OF SAME, AND WATER TREATMENT METHOD  
A polymer membrane for water treatment, characterized in comprising a hollow fiber membrane having a self-supporting design composed of the substantially single principal structural material, with...
US20100006503 MEMBRANE STRUCTURES AND THEIR PRODUCTION AND USE  
A method is provided for forming zeolite membranes in internal surfaces of a plurality of conduits in a cylindrical porous ceramic monolith, the conduits extending from one end of the monolith to...
US20160082393 SEPARATION OF HOMOGENEOUS CATALYSTS BY MEANS OF A MEMBRANE SEPARATION UNIT UNDER CLOSED-LOOP CONTROL  
The invention relates to a method for separating a homogeneous catalyst out of a reaction mixture by means of at least one membrane separation unit, in which method: the reaction mixture coming...
US20150258502 COATING OF A POROUS SUBSTRATE FOR DISPOSITION OF GRAPHENE AND OTHER TWO-DIMENSIONAL MATERIALS THEREON  
Composite membranes of the present disclosure can include a porous supporting substrate having a coating thereon, and one or more two-dimensional materials disposed on the coating. The coating...
US20140342446 PNEUMATIC ALTERNATING PRESSURE MEMBRANE CELL SEPARATION SYSTEM  
Described are filtration systems that can be referred to as Pneumatic Alternating Cell Separators (PACS), useful components thereof in the form of assemblies or kits of parts that can be used to...
US20140138314 FLUORINATED ETHYLENE-PROPYLENE POLYMERIC MEMBRANES FOR GAS SEPARATIONS  
A fluorinated ethylene-propylene polymeric membrane comprising a copolymer comprising 2,3,3,3-tetrafluoropropene and vinylidene fluoride is disclosed. The fluorinated ethylene-propylene polymeric...
US20130089727 Thin film composites  
The present invention relates to a method for the production of thin film composite membranes by interfacial polymerisation, in particular through the reaction of polyfunctional acyl halides with...
US20120145632 ELECTROSPINNING OF POLYAMIDE NANOFIBERS  
The invention relates to a process for the preparation of polyamide nanofibers by electrospinning, wherein the process is a multi-nozzle electrospinning process with the use of a multi-nozzle...
US20110266222 POLYBENZIMIDAZOLE-BASED MEMBRANES FOR THE DEHYDRATION OF ORGANIC LIQUIDS VIA PERVAPORATION  
A hollow fiber membrane has an outer layer of polybenzimidazole (PBI) and an inner support layer, e.g., polyetherimide (PEI). The hollow fiber membrane is made by a co-extrusion (spinning)...
US20090211974 WATER CLARIFYING APPARATUS AND IMPLEMENTING METHOD  
The invention concerns a water clarifying device comprising a flotation zone (c), a membrane-based filtering zone (e) and extracting means (d), the flotation zone (c) and the membrane-based...
US20080245738 METHOD AND SYSTEM FOR PROVIDING ULTRAPURE WATER  
A method and system of providing ultrapure water for semiconductor fabrication operations is provided. The ultrapure water is treated by utilizing a free radical scavenging system and a...

Matches 1 - 50 out of 310 1 2 3 4 5 6 7 >