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US20130220923 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...
US20140217021 MAPLE TREE SAP REVERSE OSMOSIS DEVICE  
A maple sap reverse osmosis device has a support rack configured and sized to rest atop a tank. The support rack supporting a reverse osmosis device. The reverse osmosis device has a pump line and...
US20120103899 MAPLE TREE SAP REVERSE OSMOSIS DEVICE  
A maple sap reverse osmosis device has a support rack configured and sized to rest atop a tank. The support rack supporting a reverse osmosis device. The reverse osmosis device has a pump line and...
US20140166577 APPARATUS AND METHOD FOR PRODUCING POTABLE WATER  
An apparatus according to the present invention includes a pump for pressurizing tap water, a reverse osmosis membrane for separating the pressurized tap water into waste water containing...
US20110062081 Process for Treating Waste From a Membrane Filtration Plant  
The subject of the invention is a water treatment process, comprising a first pretreatment step that produces pretreated water and sludge, said pretreated water then undergoing at least one...
US20140190887 SYSTEM AND METHOD TO EFFICIENTLY CLEAN A BLOOD FILTER  
A method for cleaning a blood filter includes: (i) pumping a physiologically safe fluid back and fourth through the insides and/or the outsides of a plurality of hollow fiber membranes of the...
US20120111794 APPARATUS AND PROCESS FOR PRODUCING ELECTRICITY USING PRESSURE RETARDED OSMOSIS DURING DESALINATION OF SEA WATER  
Sea water is not suitable for human consumption. Naturally present dissolved chemicals in sea water make it inconsumable. The precipitants and dissolved chemicals need to be separated from water...
US20070102357 Heat sanitization for reverse osmosis systems  
A heat sanitization system for a reverse osmosis system that utilizes the pure water produced by a reverse osmosis unit to sanitize the various conduits and components of the reverse osmosis...
US20140054221 MEMBRANES WITH POLYDOPAMINE COATINGS  
A membrane with rejection properties for mono and divalent-salts, BOD and COD good resistance to cleaning chemicals and maintaining high permeability for water. A polymeric coating prepared from...
US20120031838 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...
US20110290723 METHOD AND PLANT FOR MANAGING THE CLOGGING OF MEMBRANE MODULES AND FILTRATION MEMBRANES  
The invention relates to a method for managing the plugging of membrane modules and of filtration membranes, in particular for nanofiltration, ultrafiltration or reverse osmosis for desalinating...
US20140367334 METHOD FOR PREVENTING MICROBIAL GROWTH ON FILTRATION MEMBRANE  
The present invention relates to a method for preventing microbial growth on a filtration membrane during desalination process. The method comprises that the membrane is exposed to a low...
US20150224449 METHOD OF PROCESSING BLACK LIQUOR  
A method of processing black liquor contains steps of: A. flowing waste black liquor, chemically boiled, into a treatment tank; B. aerating and floating the waste black liquor in the treatment...
US20100237011 BLOOD TREATMENT SYSTEMS AND RELATED METHODS  
This disclosure relates to blood treatment systems and related methods. The systems can include a blood pump arranged to move blood through a blood filter, a pressure sensor arranged to measure...
US20110186512 PROCESS FOR DISINFECTING A FILTRATION WORKS FOR PRETREATMENT OF SALTWATER, AND INSTALLATION FOR THE IMPLEMENTATION THEREOF  
Method for disinfecting a filtration works (F) for the pretreatment of salt water, particularly seawater, upstream of a water desalination unit (1) using a reverse osmosis membrane, whereby an...
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...
US20140014580 DIALYSIS DEVICE AND METHOD FOR OPERATING A DIALYSIS DEVICE  
A dialysis unit includes both an inlet for guiding dialysis fluid in a direction of flow to a dialyser membrane and an outlet for discharging dialysate from the dialyser membrane. A heat pump...
US20110163029 METHOD FOR SUBSTANCE SEPARATION USING A CELLULOSE HYDRATE MEMBRANE IN SIZE EXCLUSION CHROMATOGRAPHY  
There is proposed a separation method for mixtures of materials, using a cellulose hydrate membrane having a porous double structure which consists of micropores having a diameter in the range...
US20140166576 SYSTEM FOR AND METHOD OF SEPARATING OIL AND PARTICLES FROM PRODUCED WATER OR FRACTURING WATER  
A system of separating oil and water from produced or fracturing water with an intended separation direction, the system includes: a unit for feeding the produced or fracturing water to a...
US20130037484 ENZYMATIC TREATMENT OF ALGINATE TO REDUCE MEMBRANE FOULING FOR WATER OR WASTEWATER PURIFICATION  
This disclosure examines using alginate lyase to catalytically degrade alginate in order to decrease affinity and fouling potential to membranes of 0.2 and 0.02 μm pore size, respectively within a...
US20100314316 HALOGENATED AMIDES AS BIOCIDES FOR TREATING WATER SYSTEMS CONTAINING REDUCING AGENTS  
Methods are provided for controlling microorganisms in water systems that contain reducing agent(s). The methods comprise treating the water system with an effective amount of a compound of the...
US20140342041 APPARATUS AND METHOD FOR PRODUCING FILTERED AND DISINFECTED WATER  
A combination micro-filtration halogen apparatus safely delivers drinking water by metering doses of concentrated aqueous iodine into a filtered water supply contained within a chamber. Untreated...
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...
US20110042308 Method for cleaning filtration membrane modules and membrane bioreactor system for treating untreated water or wastewater or activated sludge  
A method of cleaning filtration modules for the treatment of raw water, or wastewater, or activated sludge, is provided by circulating particles in untreated water. The deposits located on the...
US20090110793 Maple tree sap reverse osmosis device  
A maple sap reverse osmosis device has a support rack configured and sized to rest atop a tank. The support rack supporting a reverse osmosis device. The reverse osmosis device has a pump line and...
US20140251905 Point of Use Filtration System with Backwash  
A system and method for a point of use filtration system with backwash is provided. The system includes a first filtration element, a tank, and a second filtration element positioned downstream...
US20130056413 MEMBRANE TREATMENT OF COOLING TOWER BLOW DOWN WATER  
Blow down water from an evaporative cooling system, such as a cooling tower, is treated for re-use as cooling make up water. Water in or entering the cooling system is treated with chemicals, for...
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...
US20120103898 Device And Method For Drinking Water Purification  
The invention relates to a device (2) for drinking water purification, having a water tank (4) for receiving the drinking water (6) to be purified, a pump (8) for transporting the water, and a...
US20090250397 WATER SOFTENER WITH INTEGRATED WATER FILTRATION  
Systems and methods for filtering and softening water in combination are disclosed. The systems may include a water filtering system, having a water filter and a water softening system connected...
US20070289924 Rejuvenation of reverse osmosis membrane  
A method for rejuvenating a reverse osmosis (RO) membrane which is subject to biofilm and other contaminants in an aqueous system through the use of a free molecular iodine solution at a pH of...
US20140346110 SEMIPERMEABLE FILTRATION MEMBRANE WITH INTEGRATED PRODUCING CIRCUIT  
The filtration membrane (102) includes an ozone producing circuit (120) having a plurality of electrically conductive lines (122, 124) disposed directly upon an active surface (102a) of the...
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...
US20080314833 COAGULANT DOSING PROCESS FOR MEMBRANE FILTRATION  
A filtration process has a coagulation step and a membrane filtration step. The membrane filtration step has a permeation step followed by a cleaning step. In the coagulation step, a coagulant is...
US20050051472 Dialyzer reprocessing system  
An artificial kidney (dialyzer) reprocessing system for washing used artificial kidneys includes a high-pressure water supply system providing RO water and chemical solutions for washing and...
US20050000895 Use of polymer as flocculation aid in membrane filtration  
A method of filtering a feed of water to provide potable water includes adding a coagulant to the water to be filtered to encourage the formation of flocs. About 0.1 to 1 mg/L of a polymeric...
US20110278224 WASTEWATER SEPARATION SYSTEM AND METHOD USING THE SAME  
A solid-liquid separation system for chemically-precipitated heavy metal wastewater having a membrane module disposed in a filter zone of a chemical reaction tank, a water outlet pipe of 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,...
US20140076807 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,...
US20090188861 Preventing and cleaning fouling on reverse osmosis membranes  
A method of controlling fouling of a reverse osmosis membrane disposed in an aqueous medium by an inorganic foulant involves providing a fouling control agent comprising an acidic polysaccharide...
US20150190757 Capillary Filtration Membrane With An Improved Recovery And Method For Obtaining An Improved Recovery And Manufacturing Method  
A filtration module is disclosed, comprising at least one hollow capillary filtration membrane, in particular having a retentate side inside the hollow capillary and a permeate side outside the...
US20110220571 METHOD OF MAKING AND USING ADSORBENT TO REMOVE HEAVY METAL FROM WASTE WATER  
The present disclosure describes using the naturally present dissolved chemicals as precipitants from local water sources to form an adsorbent. The adsorbent may be collected and used at the right...
US20140054218 System to Reduce the Fouling of a Catalytic Seawater Deoxygenation Unit  
A system and process for reducing fouling in a catalytic bed-based deoxygenation unit include a filtration system having a plurality of selectively permeable membranes arranged to contact a raw...
US20110278225 METHOD FOR PURIFYING WATER BY CYCLIC IONIC EXCHANGE  
The present invention provides a method for purifying or softening water comprising: passing a specific volume of feedwater through at least one service column comprising a strong acid cationic...
US20080197075 REMOVING MERCURY AND OTHER HEAVY METALS FROM INDUSTRIAL WASTEWATER  
A method of removing one or more heavy metals including mercury from industrial wastewater by use of a filtration and/or a solid-liquid separation system by use of a water soluble ethylene...
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'...
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...
US20140110337 SYSTEM AND METHOD OF DESALINATION OF WATER  
A water desalination system including at least one reverse osmosis desalination unit, including at least one reverse osmosis membrane and having a saline water inlet at a feed side of the at least...
US20140061129 SYSTEM AND METHOD OF DESALINATION OF WATER  
A water desalination system including at least one reverse osmosis desalination unit, including at least one reverse osmosis membrane and having a saline water inlet at a feed side of the at least...
US20140124441 WASHING METHOD FOR SEPARATION MEMBRANE MODULE  
In a method for cleaning a separation membrane module in which filtration is performed through a separation membrane after mixing and stirring raw water containing particles having hardness higher...

Matches 1 - 50 out of 416 1 2 3 4 5 6 7 8 9 >