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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... |
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US20110155667 |
Microfluidic Device for Blood Dialysis
The invention provides microfluidic devices and methods of using such devices for filtering solutions, such as blood. |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |