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US20130341271 Mechanical axial vibration in membrane separation treatment of effluents  
Apparatus and methods are disclosed for mechanical axial vibration in membrane separation treatment processes. The apparatus includes a separation membrane element having an axial dimension, a...
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...
US20110049048 WATER PURIFICATION SYSTEM  
The present invention concerns a water purification system comprising an ultrafiltration unit, a reverse osmosis unit, and a tank. The ultrafiltration unit is upstream of the tank on an operation...
US20100300968 MEMBRANE CLEANING WITH PULSED GAS SLUGS  
Aspects and embodiments of the present application are direction to systems and methods for treating fluids and to systems and methods for cleaning membrane modules used in the treatment of...
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)...
US20050224411 Method of cleaning membranes  
The present invention relates a method for cleaning polymeric microfiltration membranes and membrane units, and to compositions useful in such methods. The compositions include at least one...
US20050218073 Method of cleaning membranes  
The present invention relates a method for cleaning polymeric microfiltration membranes and membrane units, and to compositions useful in such methods.
US20130334136 CLEANING IN MEMBRANE FILTRATION SYSTEMS  
A method of cleaning permeable, hollow membranes in an arrangement of the type wherein a pressure differential is applied across the walls of the permeable, hollow membranes immersed in a liquid...
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...
US20100051545 MEMBRANE MODULE PROTECTION  
A filtration system for removing fine solids from a liquid suspension comprising a vessel for containing the liquid suspension, one or more permeable, membranes (9) within the vessel, means for...
US20090200234 METHODS FOR CLEANING SURFACES WITH ACTIVATED OXYGEN  
The present invention provides methods for cleaning surfaces that are sensitive to high temperatures and/or that have pH limitations. Exemplary surfaces to be cleaned using the methods of the...
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...
US20090001018 Operating Strategies in Filtration Processes  
A method of operating a membrane filtration system having a number of repeated operation cycles, the method including the step of varying the values of one or more operating parameters of the...
US20080237125 METHOD OF CLEANING MEMBRANES  
The present invention relates a method for cleaning polymeric microfiltration membranes and membrane units, and to compositions useful in such methods. The compositions include at least one...
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...
US20160280563 WATER PURIFICATION  
This invention relates to methods of purifying water using graphene oxide laminates which are formed from stacks of individual graphene oxide flakes which may be predominantly monolayer thick. The...
US20160051943 NEGATIVELY CHARGED POROUS MEDIUM FOR REMOVING PROTEIN AGGREGATES  
A negatively charged microporous filtration medium having a high charge density comprising a porous substrate and a polymerized cross-linked polymeric coating located on the inner and outer...
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,...
US20120318738 Autonomous Filter Element  
An autonomous filter device and a method for improving the filter life and performance is disclosed. The filter element is equipped with one or more sensors, adapted to measure one or more...
US20090314713 Cross-flow filtration apparatus with biocidal feed spacer  
A cross-flow filtration apparatus is provided. The cross-flow filter is a spiral wound filter that includes a semi-permeable membrane wrapped around a perforated central tube. The semi-permeable...
US20090194478 Reverse Osmosis System  
Embodiments of the invention provide a reverse osmosis system including a feed water inlet, a reverse osmosis module coupled to the feed water inlet, and at least one blend valve. The blend valve...
US20130079509 SEPARATION PROCESS  
A process of treating polymeric nanofiltration membranes before separation of low molecular weight compounds from a solution comprising the same by nanofiltration, characterized in that the...
US20120187044 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...
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...
US20050173342 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes  
A membrane module has a first solid body having a plurality of passages extending through it and a second solid body. Hollow fiber membranes extend between the solid bodies. A permeate manifold...
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...
US20070080111 MEMBRANE FILTER FOR WATER TREATMENT  
The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from...
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...
US20130277305 SELECTIVELY PERFORATED GRAPHENE MEMBRANES FOR COMPOUND HARVEST, CAPTURE AND RETENTION  
Devices and related methods for arresting and retaining molecules from solution upon the surface of a perforated graphene membrane with plural apertures selected to allow passage of the solutions'...
US20130001162 Apparatus, System, and Method for Forward Osmosis in Water Reuse  
An apparatus, system, and method for desalinating water is presented. The invention relates to recovery of water from impaired water sources by using FO and seawater as draw solution (DS). The...
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...
US20110094964 MEMBRANE FILTER FOR WATER TREATMENT  
The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from...
US20100200505 MEMBRANE FILTER FOR WATER TREATMENT  
The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from...
US20090152198 MEMBRANE FILTER FOR WATER TREATMENT  
The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from...
US20080203019 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...
US20080093297 Filtration System  
A method and apparatus for cleaning a permeable, hollow membrane (7) in an arrangement of the type wherein a pressure differential is applied across the wall of the permeable, hollow membrane (7)...
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...
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...
US20110089013 Apparatus of produced water treatment, system and method of using the apparatus, and method of water reuse by using the same  
An apparatus of produced water treatment, to be adopted in an in-situ recovery method of producing bitumen from oil sand, the apparatus capable of removing the oil from produced water, the...
US20090134092 MEMBRANE FILTRATION DEVICE AND PROCESS  
An element for use in ultrafiltration or microfiltration of potable water has a large number of small diameter hollow fibre membranes attached between two headers. Side plates attached to 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...
US20060091074 Membrane filtration device and process  
An element for use in ultrafiltration or microfiltration of potable water has a large number of small diameter hollow fibre membranes attached between two headers. Side plates attached to the...
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...
US20140048483 METHOD FOR CLEANING MEMBRANE MODULE  
In a method for cleaning a membrane module including at least one of a microfiltration membrane and an ultrafiltration membrane through which raw water is membrane-filtered to obtain membrane...
US20070095754 Efficient MBR operation in wastewater treatment  
In a sewage treatment facility that employs on the liquid side a basin or basins with membrane separators or MBRs for dewatering sludge, filtration is suspended or “relaxed” in short, rapid...
US20070051679 Water filtration using immersed membranes  
A process and apparatus is described for filtering water with immersed membranes. In a batch process, permeate is withdrawn while the flow of feed is reduced or stopped at the end of a permeation...
US20170081216 METHODS OF MAKING FLAT SHEET MEMBRANE ELEMENT ADAPTED FOR USE IN SYMBIOTIC FLUIDS FACTIONATION, WATER TREATMENT, AND OSMOTIC PROCESSES  
The present application introduces design methodology and manufacturing procedures employing conventional permeable and semipermeable membrane flat sheet membrane apparatus [FSM], adapted for use...
US20130220924 FRESH WATER GENERATION METHOD AND FRESH WATER GENERATION DEVICE  
In order to prevent oxidation degradation of a semipermeable membrane and biofouling growth and avoid an increase in cost due to chemicals and the like, the present invention provides a fresh...
US20120285885 MEMBRANE CLEANING WITH PULSED GAS SLUGS  
Aspects and embodiments of the present application are direction to systems and methods for treating fluids and to systems and methods for cleaning membrane modules used in the treatment of...

Matches 1 - 50 out of 239 1 2 3 4 5 >