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Matches 401 - 450 out of 23,688

Document Document Title
WO/2013/156597A1
The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for th...  
WO/2013/154322A1
The present invention relates to a system for treating combustion exhaust gases comprising a moisture recovery device using a separation membrane, which is capable of effectively treating exhaust gases by recovering the moisture remainin...  
WO/2013/154777A1
Water treatment systems and methods are provided to minimize membrane fouling and the required maintenance that results therefrom. A water treatment system includes a pressure vessel with a plurality of spaced-apart membranes circularly ...  
WO/2013/153587A1
Provided are a method and device with which the soluble silica is efficiently removed from accompanying water that contains calcium ions and soluble silica and that was produced from a well and in which in a reverse osmosis membrane trea...  
WO/2013/153692A1
Provided is a method for collecting only lithium from a lithium-containing solid selectively and with high yield. The method is an electrodialytic method, in which lithium ions, which are monovalent metal ions, are permeation-concentrate...  
WO/2013/151618A2
The methods and systems disclosed here relate to treating water using a hybrid softener system. In certain embodiments, a method of treating water comprises passing a portion of a water stream to be treated through an electrochemical wat...  
WO/2013/151498A1
This invention relates to a vacuum air gap membrane distillation system for desalination purposes. More particularly, this invention relates to a membrane distillation system with multiple cells in which the system's flux is increased du...  
WO/2013/151799A1
A tunable membrane configuration (10) for a filtration or selective fluidic isolation and recovery device includes a housing (12) having an inlet at one end and an outlet at an opposite end with an opening extending from the inlet to the...  
WO/2013/144554A1
The present invention provides a method for producing particles having a reduced particle size distribution, which method comprises the steps of: a) providing a composition comprising particles; b) subjecting the particles in said compos...  
WO/2013/146391A1
The present invention is related to a method for separation and recovery of alkali metal in which raw water containing an alkali metal and a bivalent ion is permeably separated using a nanofiltration membrane to yield permeated water and...  
WO/2013/144090A1
A flow filtration system (1) for concentration of components contained in a fluid sample comprises a fluid channel (2) being formed by two conduits (4, 5) allowing a bidirectional flow of the fluid sample through the fluid channel (2), a...  
WO/2013/144091A1
A micro flow filtration system comprises a fluid circuitry (3) and a first reservoir (1) outside the circuitry (3) suitable for containing a fluid. The fluid circuitry (3) comprises a tangential flow filtration module (10) capable of sep...  
WO/2013/146784A1
The present invention pertains to a method of desalination in which a water treatment apparatus is used, the method comprising supplying water to be treated to a membrane element provided with a reverse osmosis membrane or a nano-filtrat...  
WO/2013/144848A1
The invention relates to an apparatus and a method for purifying liquid. The apparatus comprises an air-tight container (301) and a heater (305). The air-tight container is configured to store the liquid, wherein at least a portion of th...  
WO/2013/147702A1
The present invention provides a system for continuous desalination of saline water having variable salinity, the system comprising: (a) a RO stage comprising one or more reverse osmosis pressure vessels, said first RO stage configured t...  
WO/2013/146852A1
Provided is a method for membrane-treating formaldehyde-containing discharge water enabling adequate membrane separation of formaldehyde without the use of ammonia. A method for membrane-treating formaldehyde-containing discharge water, ...  
WO/2013/141438A1
The present invention relates to a water purifier using an attachable/detachable block-shaped thermoelectric element. More particularly, the present invention relates to a water purifier using an attachable/detachable block-shaped thermo...  
WO/2013/142539A1
A molecular separation device includes a chamber having an inlet and an outlet through which flows an aqueous suspension and a porous separation membrane positioned in the chamber substantially orthogonally to the flow of the aqueous sus...  
WO/2013/141590A1
The present invention relates to a method for preparing a NaA zeolite separator for separating water/ethanol, and a method for separating water/ethanol using the same. A water/ethanol mixture is separated through a dual separation proces...  
WO/2013/140848A1
The seawater desalination apparatus of the present invention for separating seawater into fresh water and concentrated seawater is equipped with a power recovery device. The power recovery device is provided with a permeable membrane, co...  
WO/2013/138137A1
A method for deionization of a solution, the method comprising functionalizing plural apertures of a graphene sheet to repel first ions in the solution from transiting through the functionalized plural apertures. The non-transiting first...  
WO/2013/138012A1
A desalination system (10) comprises a silica removal unit. The silica removal unit comprises first (19) and second electrodes (20), a plurality of ion exchange membranes (21, 22, 23, 24) disposed between the first (19) and second (20) e...  
WO/2013/136500A1
[Problem] To provide a water transport control system and water transport control method that, when recycling water using a RO membrane, are able to control the pressurizing pump automatically so as to minimize pressurizing pump power co...  
WO/2013/132399A1
Water mineralization is carried out by mixing carbonate in powder form in a fast process into the water, generating C02 in the water but adding turbidity to it. The treated water is then delivered through a reactor with granular carbonat...  
WO/2013/133043A1
Provided is a method for separating oil and water with which it is possible to decrease the frequency of clogging. This is a method for separating oil and water that is generated in the in-situ recovery method which produces bitumen (82)...  
WO/2013/131183A1
In a nanofiltration system for removing sulfate impurity from an aqueous brine stream and for recovering the brine, introducing a dilution stream upstream of the feed stream inlet of a nanofiltration module in the system dilutes the feed...  
WO/2013/131404A1
Disclosed is an unsteady-state supercharging sea water desalination and electricity generation apparatus using tidal current energy, comprising using a water turbine (1) to drive a sea water supercharging pump provided in a pump room, wh...  
WO/2013/133684A1
The invention relates to a process for purifying a phosphoric acid solution, comprising a step of filtration of the phosphoric acid using a nanofiltration membrane, in which the nanofiltration membrane is an organic nanofiltration membra...  
WO/2013/134710A1
A novel method of extracting minerals from an aqueous source, and an equipment system for carrying out this method, are provided. The method comprises feeding the aqueous source into the feed side of a forward osmosis device while simult...  
WO/2013/128407A1
Disclosed herein is a system comprising an evaporation unit comprising a first heat exchanger in fluid communication with a second heat exchanger; where the first heat exchanger is operative to heat an effluent stream comprising an amine...  
WO/2013/129047A1
In order to minimize biofouling of reverse osmosis membranes and minimize deterioration of the reverse osmosis membranes, a desalination system (S), which uses reverse osmosis membranes to obtain fresh water from raw water, is provided w...  
WO/2013/130923A1
Certain embodiments of the invention provide an apparatus for separating aromatic hydrocarbons from an aromatic hydrocarbon feed stream. The apparatus includes a membrane support, and a hydrophilic polymer membrane matrix disposed on the...  
WO/2013/125373A1
Provided is a water treatment device, particularly a water treatment device for fresh water production utilizing a semipermeable membrane, the water treatment device being for obtaining treated water from multiple kinds of water to be tr...  
WO/2013/125681A1
[Problem] To provide a hollow fiber membrane which can achieve water permeability and rejection performance at a high level in order to enable water treatment with a small membrane area in the water treatment utilizing the concentration ...  
WO/2013/125954A1
The invention provides a membrane module comprising a first membrane (64) and at least one further body(61, 65), which may be a second membrane(65), a wall or an electrode(61), arranged in parallel with said first membrane. A spacer (11)...  
WO/2013/123576A1
There is provided a process for effecting permeation of at least an operative material component of an operative mixture from a higher pressure space, through a membrane, and into a lower pressure space, wherein the higher pressure space...  
WO/2013/124176A1
The invention relates to a method for producing a product mixture (2) by means of the technical hydroformylation of a hydrocarbon stream (1) that contains isobutene, and for separating the product mixture (2) that is obtained, as well as...  
WO/2013/124190A1
The invention relates to a method for processing water by means of membrane distillation, wherein a membrane M made of porous silicone material is used.  
WO/2013/121594A1
The present invention provides a method for dehydration of a water containing source of formaldehyde having an excellent dehydration performance, and a method for producing (meth)acrylic acid alkyl ester using a dehydrated source of form...  
WO/2013/121547A1
This seawater desalination system (10A) is characterized by comprising the following: a heat exchange means for heating seawater supplied to a reverse osmosis membrane device by using a heat medium used in a heat pump and at least one fr...  
WO/2013/123425A1
In some aspects, an apparatus for controlling pH and/or ionic strength in a vessel is provided, In some embodiments, the apparatus comprises, a vessel in fluid communication with a first side chamber and a second side chamber, wherein th...  
WO/2013/121081A3
The invention relates to a method for treating impurities contained in exhaust gases of ships in order to reduce sulphur oxide emissions and other emissions. In order for the method to be able to purify wash water exiting from an exhaust...  
WO/2013/122268A1
The present invention provides a method for dehydration of a water containing source of formaldehyde having an excellent dehydration performance, and a method for producing (meth)acrylic acid alkyl ester using a dehydrated source of form...  
WO/2013/120846A1
An electrodialysis machine (10) for desalinating water with a high concentration of dissolved salts, comprising, between two heads (11, 12), two opposite electrode chambers (13, 14), which contain electrodes (15, 16) having opposite pola...  
WO/2013/123134A1
A cooling tower blow-down, groundwater and wastewater re-use process and system is provided, which system may further include a cooling tower evaporation recovery system and process. Thus, blow-down from cooling equipment may be reused b...  
WO/2013/118148A1
The present invention provides a L-enantiomers selective composite membrane useful for separation of optical isomers and the process for the preparation thereof. The invention further provides a membrane based pressure driven separation ...  
WO/2013/118530A1
Provided is a plant waste water treatment method and system that improves the effectiveness of treatment of waste water containing organic material in a membrane separation activated sludge treatment tank. The present invention is charac...  
WO/2013/118860A1
The present invention is a metal colloidal solution that contains colloidal particles, each of which is composed of a metal particle formed of one or more metals and a protective agent bonded to the metal particle, and a solvent that ser...  
WO/2013/113724A3
The present invention relates to efficient methods of controlling biological conversions while simultaneously removing and converting some of the generated products. More specifically, and for example, the present invention discloses ele...  
WO/2013/116693A1
A system for processing fluid samples includes a centrifuge assembly in combination with a transducer assembly, where one or more sample containers for containing fluid samples are connected to the centrifuge 5 assembly. The centrifuge a...  

Matches 401 - 450 out of 23,688