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| Number | Title | Issue Date |
| 7803274 | Contained liquid membrane contactor and a method of manufacturing the same A contained liquid membrane contactor includes a perforated center tube, first and second membrane mats each with a first and a second end both being open, four tube sheets affixing the membrane mats to the center tube, a shell sealed to the tube sheets, and two end... | 09/28/2010 |
| 7648633 | Hollow fibre membrane module with a fixed structure A hollow fiber membrane module with a fixed structure comprises: a bearing shell (7), an inlet (8), a concentrated water outlet (10), a produced water outlet (9), a central tube (1) and hollow fiber membranes (6), in which t... | 01/19/2010 |
| 7361211 | Moisture exchange module having a bundle of moisture-permeable hollow fibre membranes A moisture exchange module has a bundle of moisture-permeable hollow fiber membranes and at least one line element for supplying a gas stream that flows through the hollow fibers in an inner flow. The at least one line element opens out into an inflow region, which ... | 04/22/2008 |
| 7358414 | Para-xylene process using perm-selective separations Processes and apparatus are disclosed for recovery of purified products from a fluid mixture by means of integrated perm-selective separations with purified product recovery operations. More particularly, integrated processes of the invention comprise separations by... | 04/15/2008 |
| 7338601 | Membrane separation assemblies Assemblies for use in separation of a fluid feed. Assemblies typically include an elongated housing having a fluid feed stream inlet, a residual stream outlet and a permeate stream outlet. The housing contains at least one membrane separation element to form a membr... | 03/04/2008 |
| 7303674 | Forward osmosis pressurized device and process for generating potable water There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive ... | 12/04/2007 |
| 7285106 | Hemodiafiltration/hemofiltration cartridges A hemodiafiltration/hemofiltration cartridge is preferably formed of a single cartridge providing multi-stage hemofiltration and hemodiafiltration defined by a first hemodiafiltration stage having first filtering elements and a second hemofiltration stage having sec... | 10/23/2007 |
| 7285212 | Method and apparatus for treatment of wastewater employing membrane bioreactors Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane... | 10/23/2007 |
| 7276163 | Membrane devices with controlled transmembrane pressure and method of use A crossflow membrane device that receives a feedstock at a feed end face and separates the feedstock into permeate and retentate. The device has a membrane support containing at least one monolith of porous material defining a plurality of passageways extending long... | 10/02/2007 |
| 7273549 | Membrane contactor apparatus including a module having hollow fiber membranes An apparatus including a first hollow fiber membrane module, baffle assembly, and fluid source. The module includes a plurality of elongated hollow fiber membranes located generally in adjacent, parallel relationship to each other. Each of the membranes includes a g... | 09/25/2007 |
| 7267761 | Method of reducing sulfur in hydrocarbon feedstock using a membrane separation zone A membrane is used in combination with fractionation and hydrodesulfurization to reduce the sulfur content of hydrocarbon feeds, preferably sulfur-containing naphtha feeds. A membrane separation zone is employed to treat a fraction of effluent from a fractionation z... | 09/11/2007 |
| 7250108 | Method for measuring the local hydraulic permeability of a sub-group of hollow fibre of a bundle of hollow fibres A method is provided for measuring the local hydraulic permeability, Lpi, of a sub-group of hollow fibres of a bundle of hollow fibres mounted in a tubular casing. The method comprises a step of placing the casing containing the bundle in a vertical position, the la... | 07/31/2007 |
| 7223339 | Hollow-fiber membrane module This invention provides an inexpensive hollow-fiber membrane module that can prevent diaphragms from peeling or coming off from the cylindrical casing. The invention includes a hollow-fiber membrane module, comprising a cylindrical casing having an inlet port for th... | 05/29/2007 |
| 7172696 | Radial dispersion mass transfer device having a semi-permeable tubular hollow fiber membrane wound around a porous core A mass transfer device having a fluid permeable core wound with many stands of a hollow fiber. A bulk fluid enters the interior of the core, passes through the side wall of the core, and along the outer surfaces of the hollow fibers. A baffle positioned in the cente... | 02/06/2007 |
| 7156375 | Humidifier A humidifier includes a hollow-fiber-membrane module shaped tubular and a support configured to axially slideably support the module. ... | 01/02/2007 |
| 7150932 | Production of tubular fuel cells, fuel cell modules, base elements and ion exchanger membranes The present invention relates to a composite system comprising an electrode and a membrane, which can be used as a fuel cell element or an ion-exchange membrane. ... | 12/19/2006 |
| 7140495 | Layered sheet construction for wastewater treatment Described is an apparatus for the removal of organic substances and/or nitrogen sources from an aqueous medium by exposing the aqueous medium to the action of microorganisms supported on a gas permeable, water impermeable layer, or on and/or in a three dimensional m... | 11/28/2006 |
| 7048846 | Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an... | 05/23/2006 |
| 7041212 | Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an... | 05/09/2006 |
| 7025881 | Filter arrangement for the separation of blood into plasma and cellular components and device for application thereof on the donor The invention relates to a filter arrangement for the separation of blood into plasma and cellular components, comprising at least one filter element with an inlet line and an outlet chamber in a closed housing, separated by a fine pore membrane. The inlet chamber i... | 04/11/2006 |
| 7022231 | Apparatus incorporating potted hollow fiber membranes Apparatus incorporating potted hollow fibre membranes has a solid mass of potting material having a first face, a plurality of hollow fibre membranes sealed in the potting material. Portions of the membranes adjacent open ends of the membranes protrude from the firs... | 04/04/2006 |
| 7022238 | Immersion type membrane filter An immersion type membrane filter apparatus 200 is intended for obtaining filtrate by filtrating a fluid to be processed stored within a storage bath 150 and primarily includes a filtration membrane module 300 and an air bubbles supply device | 04/04/2006 |
| 7018527 | Membrane separation for sulfur reduction A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membrane having sufficient flux an... | 03/28/2006 |
| 6952705 | Method, system and program product that utilize a hierarchical conceptual framework to model an environment containing a collection of items A method, system and program product are disclosed for enabling a user to construct a conceptual hierarchical framework representing a virtual or physical environment. The framework may then be populated with a collection of items. Users may graphically and intuitiv... | 10/04/2005 |
| 6926829 | Apparatus and method for separating fluids through a membrane Apparatus for contacting first and second fluids at elevated pressures with a membrane such that one or more components of one of the fluids passes through the membrane into the other fluid, comprising a housing e.g. a pressure vessel (4), and a membrane modu... | 08/09/2005 |
| 6918886 | Membrane module for the hemodiafiltration with integrated pre- or postdilution of the blood A membrane module for hemodiafiltration having a cylinder-shaped housing and a bundle of hollow-fiber membranes capable of supporting fluid flow and arranged in the direction of the longitudinal extent of the housing. The ends of the hollow-fiber membranes are embed... | 07/19/2005 |
| 6902672 | Open-channeled spiral-wound membrane module There is disclosed a spiral-wound membrane module design for various membrane filtration techniques having significantly reduced fluid flow resistance in the feed stream path. Specifically, the inventive spiral-wound membrane module is designed having a corrugated e... | 06/07/2005 |
| 6849184 | Forward osmosis pressurized device and process for generating potable water There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive ... | 02/01/2005 |
| 6802821 | Dialyzer A dialyzer design that includes a potting material encasing a microfiber bundle in each end of a cylindrical body. The potting material is set by spinning the dialyzer in a centrifuge to force the potting material to the ends of the dialyzer interior chamber, where ... | 10/12/2004 |
| 6776912 | Hemodiafiltration system and method A hemodiafiltration system for treating blood which has module having a housing in which hollow-fiber membranes are arranged in the direction of the longitudinal extent and are embedded at their ends in first and second sealing compounds joined to the inner wall of ... | 08/17/2004 |
| 6719907 | Dual-stage filtration cartridge A dual-stage filtration cartridge is provided. The cartridge can be embodied as a mid-dilution hemodiafiltration cartridge or a redundant sterilization filtration cartridge. The cartridge includes a housing having a first end and an opposing second end. The housing ... | 04/13/2004 |
| 6635179 | Sterile fluid filtration cartridge and method for using same A filtration assembly is presented which removes bacteria and endotoxin from a solution so that a sterile fluid is produced. The sterile fluid is suitable for direct on-line infusion to a patient from a device, such as a dialysis machine. The filtration a... | 10/21/2003 |
| 6509113 | Fluid distribution surface for solid oxide fuel cells The drawbacks and disadvantages of the prior art are overcome by an electrode fluid distributor. The electrode fluid distributor comprises a fluid passageway having a first end with an inlet and a second end with an outlet. A baffle is included that diago... | 01/21/2003 |
| 6331248 | Hollow fiber membrane module A hollow fiber membrane module comprising a module case and a hollow fiber membrane bundle comprising a plurality of hollow fiber membranes, at least one end of the bundle being bonded to and fixed on the module case, wherein the bonding portions of the h... | 12/18/2001 |
| 6271023 | Module made of at least two-type hollow fibres, and production of same Membrane module and process for its manufacture, wherein the membrane module contains at least two groups of hollow-fiber membranes, the groups arranged in layers and capable of being fed independently by fluids. The membrane module has a housing shell co... | 08/07/2001 |
| 6224766 | Membrane treatment method and membrane treatment apparatus In a membrane treatment method, raw liquid is supplied to a circulation tank, and circulation liquid is supplied into an inter-membrane passage between filtration membranes disposed within a membrane apparatus, which is disposed separately from the circul... | 05/01/2001 |
| 6203699 | Filtration membrane module The invention relates to a capillary filtration membrane module, comprising a filter housing provided with an inlet, an outlet and a membrane compartment accommodating a bundle of capillary filtration membranes, the filtration membranes being cased at bot... | 03/20/2001 |
| 6153097 | Internal staged permeator for fluid separation A gas separation membrane device comprising an internally staged permeator containing a three dimensional array of hollow fiber membranes grouped into multiple sets in intimate contact with each other is described. The incorporation of the internally stag... | 11/28/2000 |
| 6071414 | Method for desalinating salts-containing water and apparatus therefor The present invention relates to a method for desalinating brackish water or seawater by using a hollow fiber type reverse osmosis membrane, and an apparatus therefor, and an object thereof is to provide a novel method by which the lifetime of said revers... | 06/06/2000 |
| 5955353 | Hollow fiber bioreactor with an extrafilament flow plug A bioreactor containing living animal cells at a density approaching that of normal animal tissue is described. High cell loading is achieved by providing a flow restrictor which controls fluid flow through the bioreactor during cell loading. Methods for ... | 09/21/1999 |
