Abstract: The present invention relates to the field of water condensing apparatus, and particularly to an apparatus for producing drinkable water from air, comprising: a condensing device for condensing moisture out of air, a purification device, and a horizontally disposed tri-layer platform; the condensing device comprises an adsorption rotor, a heat exchange mechanism, and an air circulation duct group; the purification device comprises a water storage component and a purification component, and the purification component comprises a filter member and an ultraviolet sterilization member in communication with the heat exchange mechanism. As such, the moisture in the air is first condensed out; and then sterilization and filtration are performed, so as to avoid redundant work of the apparatus and improve the operating efficiency.

Abstract: Disclosed are an integrated composite filter cartridge (200) and a water purifying system (300) having same. The integrated composite filter cartridge (200) comprises: an outer shell (20), wherein a chamber (21) is defined in the outer shell (20), and the outer shell (20) is provided with a raw water inlet (22), a pre-treated water outlet (23), a pre-treated water inlet (24), a purified water outlet (25) and a waste water outlet (26) which are in communication with the chamber (21); a pre-treatment filter cartridge (100); a central pipe (30); a filter membrane (40); and a control member, which is connected to the pre-treated water outlet (23) and the pre-treated water inlet (24). When the integrated composite filter cartridge (200) is used for the first time, the control member switches on the raw water inlet (22) and the pre-treated water outlet (23) and switches off the pre-treated water inlet (24).

Abstract: A treated water tank in oil sand plant, comprising a first housing; an inlet provided in the first housing, through which a treated water flows in; an outlet provided in the first housing, through which the treated water stored is discharged; a second housing installed in the upper side of the first housing and communicated with the first housing by a pressure-controlling pipe; a gas discharge pipe provided in one side of the second housing for opening to the air; and a gas curtain provided in the second housing for preventing the treated water stored in the first housing from being in contact with the air. The treated water tank in oil sand plant according to the present invention simplifies the process of producing the treated water to be reused from the production water, reduces the risk of environment contamination due to the reuse of more purified treated water.

Abstract: The present invention relates to a device for extracorporeal removal of harmful agents from blood or blood com-Components, comprising full length heparin immobilized on a solid substrate by covalent end point attachment. The present invention also relates to a method for extracorporeal removal of a harmful agent from mammalian blood or blood components. The present invention further relates to a process for covalent end point attachment of full length heparin to a solid substrate.

Abstract: The invention provides methods and kits for nucleic acid purification and fragment selection and recovery. By adjusting salt concentrations and/or pH of the binding buffers, only nucleic acid fragments with desired size ranges are able to reversibly and non-specifically bind to a solid surface in certain salt concentrations and/or pH conditions, and can be subsequently eluted and/or recovered from the solid surface in water and/or a low salt eluting buffer.

Abstract: Separation processes using osmotically driven membrane systems are disclosed generally involving the extraction of solvent from a first solution to concentrate solute by using a second concentrated solution to draw the solvent from the first solution across a semi-permeable membrane. Enhanced efficiency may result from using low grade waste heat from industrial or commercial sources. Pre-treatment and post-treatment may also enhance the osmotically driven membrane processes.

Abstract: An apparatus for the extraction of liquid hydrocarbons (MHC) has a mechanism for providing a process water composition (PWC) comprising a liquid emulsifier and water, an intake device (10) for collecting a liquid feedstock mixture comprising the hydrocarbons (MHC), a separating system connectable to the intake device, the separating system providing for a processing of the liquid feedstock mixture together with the process water composition so as to extract at least some of the hydrocarbons (MHC) from the liquid feedstock mixture, wherein the liquid emulsifier comprises a natural plant oil, an emulsifier, and preferably also a solubilizer.

Abstract: Systems and methods for hemodialysis or peritoneal dialysis having integrated electrodialysis and electrodeionization capabilities are provided. In an embodiment, the dialysis system includes a carbon source, a urease source, an ED/EDI unit. The carbon source, urease source, and/or the ED/EDI unit can be in the form of removable cartridges.

Abstract: A filter device purifies fluids, especially fuels contaminated with organic substances. Hydroxyl radicals are formed from water molecules contained in the fluids by a separating device (10, 14, 22). The hydroxyl radicals oxidize the impurities, especially organic substances, as much as possible and convert them into compounds such as CO2.

Abstract: A grey water dividing and treatment system is provided. A drain system of the grey water dividing and treatment system receives grey water from a grey water producing source. A grey water dividing apparatus of the grey water dividing and treatment system divides the grey water received from the drain system into a number of cells, and determines a contamination level of each of the cells. Grey water treatment tanks of the grey water dividing and treatment system receive the grey water from the grey water dividing apparatus based on the determined contamination level of each of the cells and treat the grey water.

Abstract: Systems and methods for hemodialysis or peritoneal dialysis having integrated electrodeionization capabilities are provided. In an embodiment, the dialysis system includes a carbon source, a urease source and an electrodeionization unit. The carbon source and urease source can be in the form of removable cartridges.

Abstract: Electrocoagulation effluent treatment apparatus and methods are disclosed, the apparatus including a primary electrocoagulation reactor chamber having treatment electrodes maintained therein and an effluent inlet and treated effluent outlet. An integrated flotation chamber is located above the reaction chamber, a vacuum device connectable with a vacuum source being received in the flotation chamber and including a foam intake and an output. A sludge chamber is defined below and integrated with the primary reaction chamber and has a settled sludge output.

Abstract: Systems and methods are used to concentrate and extract platelets from blood, where an aggregation arrangement is configured to aggregate red blood cells in the blood. The aggregated red blood cells are provided to a separation arrangement which is configured to separate the aggregated red blood cells from platelets in the blood plasma. Finally a concentration arrangement is configured to concentrate the platelets for extraction and further use.

Abstract: The present invention relates to a device for extracorporeal removal of harmful agents from blood or blood com-Components, comprising full length heparin immobilized on a solid substrate by covalent end point attachment. The present invention also relates to a method for extracorporeal removal of a harmful agent from mammalian blood or blood components. The present invention further relates to a process for covalent end point attachment of full length heparin to a solid substrate.

Abstract: The present invention includes a method and system for separating oil from water and particulate contaminants from a oil/water/solid mixture, comprising: a solid removal system for removing small, medium and large solids from a oil/water/solid mixture to form a oil and water stream and a membrane contactor system for separating the oil from the water in the oil and water stream.

Abstract: The present invention relates to a group and method for the separation of a mixture comprising two fluid phases mutually at least partially immiscible and with different specific density characterized in that it comprises a closed chamber (11) which extends between an upper outlet mouth (12a) of a fluid phase with lower specific density separated from the mixture, positioned at a first upper height, and a lower outlet mouth (12b) of a fluid phase with greater specific density separated from the mixture, positioned at a second lower height with respect to the first upper height, an inlet (15,33) for said mixture inside said closed chamber (11) also being present at a height interposed between said upper and lower heights, a first upper gross separation device (13) of said mixture and a second lower fine separation device (14,14?) of said mixture, hydraulically connected to each other (13) (14), being situated in succession, inside said closed chamber (11), between said upper outlet mouth (12a) and said lower o

Abstract: An arterial line blood filter for use in extracorporeal blood circuits during heart bypass surgery has, among other components, a housing with a cap portion, a base portion, and a generally cylindrical wall portion. The blood filter has a filter element disposed within the housing. An inlet is positioned at an upward angle with respect to the housing and includes an opening in the generally cylindrical wall portion in fluid communication with the inlet chamber. In some embodiments the position of the inlet limits the pressure drop and prime volume of the filter. According to one embodiment, the cap portion has an upwardly sloping inner surface and there is a vent in the cap portion. The inner surface of the cap portion can have a projection proximate the vent configured to limit immobilization of gaseous microemboli within the inlet chamber.

Abstract: Systems and methods are used to concentrate and extract platelets from blood, where an aggregation arrangement is configured to aggregate red blood cells in the blood. The aggregated red blood cells are provided to a separation arrangement which is configured to separate the aggregated red blood cells from platelets in the blood plasma. Finally a concentration arrangement is configured to concentrate the platelets for extraction and further use.

Abstract: There is disclosed a device for purifying oily wastewater, including a vertical tank of an atmospheric pressure, inside which a central coagulation reaction tube, a reverse cone-shaped cyclone flocculation stage, a suspended sludge filtering zone and a purified water commutation stage of inclined plates are included from bottom to top sequentially, oily wastewater is sequentially subjected to a coagulation reaction, suspended sludge filtering and a purified water commutation process and then discharged, a sludge collecting groove collects and guides the suspended sludge to a sludge concentrating zone for further sedimentation and concentration processes and then discharges it to external to the tank, in this way, the purification reaction, flocculation and fine filtration of wastewater and the sludge concentration process are integrated within the same wastewater purifying device. Thus, the device is equivalent to the existing wastewater pretreatment system plus a fine filtration system.

Abstract: In a process and apparatus for treating produced water, for example for re-use in an oil or bitumen extraction operation of for treating frac water, the produced water flows through a series of treatment units. A portion of the produced water may by-pass one or more of the treatment units but the by-pass portion may be such that the treated water is still acceptable, for example for discharge or reuse. Concentrations of oil and grease, organic carbon, silica, pH or related parameters in the produced water may be monitored and used to control the process or apparatus. Control of the process may involve one or more of altering a by-pass portion, altering the addition of chemicals, and altering the operation of a unit process. The process may be controlled to respond to upset conditions, or such that the concentration of one or more limiting contaminants is near, but not over, a specified maximum for re-use or discharge.

Abstract: Artificial kidney for gradual, and at least semi-continuous, blood treatment, wherein a blood stream is fed from a body of a living human or animal being into the artificial kidney, where anticoagulation is first effected, blood cells and molecules of large and medium molecular weight, such as proteins, are then primarily separated from plasma and fed back to the blood stream, regulating a water and salt balance by diverting excess plasma water and further removing from the blood stream, plasma or plasma water accumulated and toxic substances, by removal of specific electrolytes and waste products and wherein purified or partially purified plasma and plasma water is being carried back to the blood tract of the body.

Abstract: An ion chromatography apparatus comprising: (a) a first chromatography column, (b) a second chromatography column, the volume of the second column being no greater than 0.9 times the volume of the first; and (c) valving disposed between said first and second columns permitting selective transfer of separated ionic species from first chamber to second chamber for further analysis.

Abstract: An efficient flash evaporation water purification system located at a hydrocarbon well site. An internal combustion engine uses hydrocarbon fuel from the well and drives a pump to pressurize production water from the well. The engine also generates thermal energy used to preheat the production water. An electrical generator is also driven by the engine to produce electrical power for the water purification system, as well as produce AC power for off-site consumers.

Abstract: The present invention relates to a technique for efficient isolation of long nucleic acids and short nucleic acids from a sample containing long nucleic acids and short nucleic acids via safe and convenient operations. Specifically, long nucleic acids and short nucleic acids are isolated from a sample containing nucleic acids by mixing a chaotropic agent with the sample containing nucleic acids, allowing the mixed solution to pass at least twice through a first solid phase containing silica that has passage pores having predetermined pore sizes, allowing the mixed solution to pass at least twice through a second solid phase containing silica that has passage pores having pore sizes smaller than those of the first solid phase containing silica, and separately recovering nucleic acids that have bound to the first solid phase containing silica and those that have bound to the second solid phases containing silica.

Abstract: A method and apparatus is provided for use in desalinating water. A desalination processes uses a polymer material to bind sodium (Na) and chlorine (Cl) ions in salt water. Once the polymer binds to the sodium and chlorine ions, they can be separated from the water. Once separated from the water, the sodium and chlorine molecules can be separated from the polymer, and the polymer reused in subsequent desalination cycles.

Abstract: A desalination and minerals extraction process includes a desalination facility fluidly coupled to a minerals extraction facility. The desalination facility includes a nanofiltration membrane section producing a first tailings stream and a reverse osmosis membrane section producing a second tailings stream and a desalinated water outlet stream from an inlet feed stream. The extraction facility produces at least one mineral compound, an extraction tailings stream, and a second desalinated water outlet stream. At least one of the first tailings stream and the second tailings stream is fed into the extraction facility. In certain exemplary embodiments, a natural gas combined cycle power unit supplies power to at least one of the desalination facility and the extraction facility. In certain exemplary embodiments, the extraction tailings stream is recycled into the desalination facility and there are no extraction tailings streams or desalination tailings streams discharged into the environment.

Abstract: A vapor deposition system includes a filter-diffuser device connected to a vapor inlet within a vacuum chamber for simultaneously filtering inflowing vapor to remove particulate matter while injecting vapor containing perfluordecanoic acid (PFDA) into the chamber through radially arranged porous metal filters to enable the deposition of a uniform monolayer of PFDA molecules onto the surfaces of a micromechanical device, such as a digital micromirror device.

Abstract: A separation system for separating a fluid mixture includes a uniaxial cyclonic separator (2) having a first inlet (16) for receiving a fluid mixture, a separation chamber (18) for separating the fluid mixture by cyclonic action into a dense first fluid and a less dense second fluid, a first outlet (22) for the first fluid and a second outlet (26) for the second fluid. The system further includes a reverse flow cyclonic separator (32) having a second inlet (30) for receiving the first fluid from the first outlet (22), a separation chamber for separating the first fluid by cyclonic action into a dense third fluid and a less dense fourth fluid, a third outlet (34) for the third fluid and a fourth outlet (36) for the fourth fluid.

Abstract: A wastewater treatment system is provided comprising a biological reactor having a separation subsystem, a suspension system and a membrane operating system. The separation subsystem is constructed and arranged to maintain adsorbent material in the biological reactor with a mixed liquor. The suspension system is positioned in the biological reactor and is constructed and arranged to maintain adsorbent material in suspension with mixed liquor. The membrane operating system is located downstream of the biological reactor and is constructed and arranged to receive treated mixed liquor from the biological reactor and discharge a membrane permeate. In addition, a wastewater treatment system is provided comprising a first biological reaction zone, a second biological reaction zone and a membrane operating system. The first biological reaction zone is constructed and arranged to receive and treat the wastewater.

Abstract: A magnetic separation device, comprising: a separator, including a top base and a bottom base; at least a groove set, each composed of two arc-like grooves having curvatures opposite to each other; at least a magnetic member, being movably fitted inside the two arc-like grooves of the at least one groove set; and at least a test tube slot, each being formed at the outer rim of a base selected from the group consisting of the top and the bottom base of the separator; wherein the top and the bottom bases are assembled by means of a pivotal axis piecing through about at the center of the top and the bottom bases for enabling the two bases to rotate relative to each other; and one of the two arc-like groove is formed on the top base at a surface thereof facing toward the bottom base while forming another arc-like groove on the bottom base at a surface thereof facing toward the top base.

Abstract: A reactor for washing sand contaminated with hydrocarbons comprises a vessel having an aperture in a bottom portion thereof. A steam cleaning device is located near a top of the vessel for receiving contaminated sand and cleaning the contaminated sand as it is introduced into the vessel. A rinsing device is positioned below the steam cleaning device for rinsing the sand with water. A sand conveying device comprising an air injection device is positioned in the bottom portion of the vessel for urging sand out of the aperture using compressed air, such that the sand is partially dewatered as the sand is urged out of the aperture.

Abstract: An electrocoagulation apparatus is disclosed integrated with a plate clarifier for effluent treatment. The clarifier includes first and second tanks, an electrocoagulation reactor positioned in the first tank.

Abstract: The PRP separator-concentrator of this invention is suitable for office use or emergency use for trauma victims. The PRP separator comprises a motorized centrifugal separation assembly, and a concentrator assembly. The centrifugal separator assembly comprises a centrifugal drum separator that includes an erythrocyte capture module and a motor having a drive axis connected to the centrifugal drum separator. The concentrator assembly comprises a water-removal module for preparing PRP concentrate. The centrifugal drum separator has an erythrocyte trap. The water removal module can be a syringe device with water absorbing beads or it can be a pump-hollow fiber cartridge assembly. The hollow fibers are membranes with pores that allow the flow of water through the fiber membrane while excluding flow of clotting factors useful for sealing and adhering tissue and growth factors helpful for healing while avoiding activation of platelets and disruption of any trace erythrocytes present in the PRP.

Abstract: An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycling unit where solids collect at the bottom. The solids are removed and collected in the cutting box. Water in the recycling unit may be pumped through the hydrocyclonic separator. Solids removed by the separator are collected in the cutting box and the water is directed into a clean water compartment defined by the weir within the recycling unit. Water in the cutting box is collected by the portable weir therein and pumped to the clean water compartment. Water from the clean water compartment is pumped to one or more rotary jet heads within the mud tank. Overflow from the water recycling unit may be directed to the cutting box. A chemical inductor may be used to add cleaning chemicals to the water prior to being directed through the wash nozzle.

Abstract: Systems and methods for the separation of a particulate-fluid suspension are provided. An apparatus for the separation of a particulate-fluid suspension can include an enclosed vessel having two or more sections disposed coaxially along a common longitudinal centerline, wherein a first section has a first cross sectional area, and a second section has a second cross sectional area. A plurality of apertures can be disposed about the second section. The apparatus can have a cylindrical surface, parallel to the longitudinal centerline of the apparatus, disposed within the first section. A fluid distribution channel having a plurality of apertures can be disposed either about an exterior surface or an interior of the apparatus. A plurality of fluid conduits can provide fluid communication between the fluid distribution channel and the plurality of apertures distributed about the second section.

Abstract: An apparatus and method for treating dirty water or other liquids containing particles of varying size includes a magnetic treatment unit and a centrifugal separator through which the liquid flows as a stream in sequence. The magnetic treatment unit causes very small sized particles to agglomerate, nucleate or otherwise to be amassed into larger particles which are then more easily separated by the centrifugal separator.

Abstract: A two-tube centrifuge separates light material and heavy material from an input mixture. A hollow drive shaft rotates a central body member about an axis of rotation. Two hollow arm assemblies, each having circular cross-section, are mounted on diametrically opposite sides of the central body. Each arm assembly includes an outer housing tube, an intermediate tube, and an inner tube that is longer than the intermediate tube. An end cap having a removable plug is mounted on the outer end of the housing-tube of each arm assembly. The inner ends of all three tubes are mechanically interlocked in a manner to cantilever mount the inner and intermediate tubes to the central-body with their outer ends spaced from the internal surface of the end cap. An input-mixture path extends through the hollow drive shaft, through the central-body, and into a cylindrical space between the inner and intermediate tubes of each arm assembly.

Abstract: A system for separating a heavy fraction from a liquid, including a housing and a mechanism in operative connection with the housing to induce rotational flow within an upper section of the housing. The system further includes a flow restrictor positioned below (that is, at the bottom of or below) the upper section of the housing in which rotational flow is induced by the rotational flow mechanism. The flow restrictor has a diameter less than the inner diameter of the housing so that a gap is formed between the flow restrictor and the housing. The housing further includes an inlet positioned above the flow restrictor and a first outlet positioned below the flow restrictor. The first outlet is positioned radially inward from an interior wall of the housing. The housing can be generally cylindrical from the top of the gap to a baffle positioned below the flow restrictor. The baffle defines a settling section for the heavier fraction.

Abstract: Multi-core solid profile filter media blocks include multiple sub-blocks, which may be formed by providing a block with multiple interior cavities extending deep into the block, to allow water to flow deep inside the filter block to access the media of the sub-block (in the case wherein the cavities are at the inlet to the block) or that allows water to be collected from each filtration sub-block (in the case wherein the cavities are at the outlet from the block). One or more indentations/spaces/gaps in the exterior surface of the block also may be provided to separate and extend between portions of the sub-blocks, so that substantially all of the filter media of a sub-block is accessible to fluid for filtration. This way, a filter block may include a large amount of media in a small cartridge or package volume, and the filter block may exhibit good flow distribution and low pressure drop.

Abstract: A separator comprises a gully chamber 2 having inlet and outlet ducts 10, 12. Inlet and outlet housings 20, 22 are disposed within the separator and are connected by a bypass duct 24 which extends around the wall of the chamber 2. Flow enters the chamber through an inlet which is oriented to create a circulating flow. Flow exits from the chamber through an outlet opening provided in the outlet housing 22. The outlet opening is oriented in the direction of the circulating flow so that liquid has to reverse from that flow to pass through the outlet opening. The inlet and outlet housings 20, 22 are made from identical mouldings in which appropriate openings are formed. The bypass duct can be cut to length to position the inlet and outlet housings 20, 22 opposite existing inlet and outlet ducts 10, 12.

Abstract: The present invention provides a fine particle separation treatment system containing: a storage tank for storing a solution; a solution circulating passageway for circulating the solution in the storage tank, a cyclone separator disposed in the solution circulating passageway for separating fine particles in the solution and a particle trap box for trapping the precipitated fine particles in the cyclone portion through a communication hole. An electrode rod is disposed at the center of the particle trap box, and the fine particles are electrically separated by applying a potential between the electrode rod and an electrode of the particle trap box.

Abstract: Apparatus for transferring slurry from a vessel having a plurality of slurry collection points. The apparatus includes a manifold having a plurality of inlets in flow communication with one or more outlets and a plurality of pressure-reducing cyclones. Each cyclone is associated with a respective one of the collection points and a respective one of the manifold inlets and each cyclone has an inlet port and at least one outlet port. In use, each duct being brings a respective one of the slurry collection points of the vessel into flow communication with an inlet port of a respective one of the cyclones, and/or each duct brings an outlet port of a respective one of the cyclones into flow communication with a respective one of the inlets of the manifold.

Abstract: An automatic tank cleaning system includes a water recycling unit having a weir therein and a conically-shaped bottom, a cutting box having a portable weir therein, a hydrocyclonic separator, and a mud tank. Tank slop is pumped from the mud tank to the water recycling unit where solids collect at the bottom. The solids are removed and collected in the cutting box. Water in the recycling unit may be pumped through the hydrocyclonic separator. Solids removed by the separator are collected in the cutting box and the water is directed into a clean water compartment defined by the weir within the recycling unit. Water in the cutting box is collected by the portable weir therein and pumped to the clean water compartment. Water from the clean water compartment is pumped to one or more rotary jet heads within the mud tank. Overflow from the water recycling unit may be directed to the cutting box. A chemical inductor may be used to add cleaning chemicals to the water prior to being directed through the wash nozzle.

Abstract: An apparatus and method for treating dirty water or other liquids containing particles of varying size includes a magnetic treatment unit and a centrifugal separator through which the liquid flows as a stream in sequence. The magnetic treatment unit causes very small sized particles to agglomerate, nucleate or otherwise to be amassed into larger particles which are then more easily separated by the centrifugal separator.

Abstract: An apparatus for use in separating, at least in part, a mixture, including at least one chamber and at least one microwave generation device configured for communicating microwave energy into the at least one chamber is disclosed. The rotor assembly may comprise an electric generator for generating electricity for operating the microwave generation device. At least one microwave generation device may be positioned within a tubular interior shaft extending within the rotor assembly. At least a portion of the tubular interior shaft may be substantially transparent to microwave energy. Microwave energy may be emitted in an outward radial direction or toward an anticipated boundary surface defined between a mixture and a separated constituent thereof. A method including flowing a mixture through at least one chamber and communicating microwave energy into the at least one chamber while rotating same is disclosed. Methods of operating a centrifugal separator and design thereof are disclosed.

Abstract: A separation method and apparatus are disclosed having particular application for effecting removal of sand from a production wellstream, enhancing the quality of recovered oil, gas and water output streams (12, 13, 14) and reducing erosion caused by entrained sand. The wellstream is passed initially through a cyclone separator (4?) which separates substantially all the water and sand as underflow and substantially all the oil and gas as overflow. A gravity separator (11) separates the overflow from the cyclone separator (4?) into oil, gas and water, and a further cyclone separator (17) separates the underflow from the first cyclone separator (4?) into water and sand.

Abstract: A water boiler system for producing steam or hot water includes an apparatus for removing dissolved minerals from the boiler water without the use of water softeners or other chemical treatment agents. An electromagnetic flux producing device first treats water of the boiler system with alternating electromagnetic flux to cause nucleation of dissolved minerals in the bulk boiler water, rather than on boiler surfaces, with nucleated particles then accumulating into particulates which settle by gravity to a low area of the boiler. Water is continuously drained from the low area of the boiler and fed by a pump to a mechanical separator which continuously separates solids from the drain water and continuously passes cleansed water at a high temperature back to the boiler.

Abstract: A collector is disclosed that is made of a polyolefin fiber having amidoxime groups and that is capable of efficient adsorptive recovery of useful metals such as uranium, vanadium, cobalt and titanium which are dissolved in small quantities in seawater. In the presence of a polymerizable monomer having a hydrophilic group, a polymerizable monomer having a cyano group is grafted to a polyolefin fiber by radiation-initiated graft polymerization to form both a hydrophilic group and a cyano group in the same graft side chains, and the cyano groups in the graft side chains are reacted with hydroxylamine to be converted to amidoxime groups, thereby producing a collector capable of recovering dissolved metals from seawater.

Abstract: Methods and apparatus for separating liquid products and catalyst fines from a slurry used in a Fischer-Tropsch reactor. A settling system continuously or intermittently removes catalyst fines from the slurry and is coupled with catalyst-liquid separation system that separates liquid products from the slurry. The preferred separation system produces a sub-particle rich stream and a catalyst-lean stream that are removed from the system. The systems of the present invention act to reduce the concentration of catalyst fines in the reactor, thereby increasing the effectiveness of a catalyst-liquid separation system.

Abstract: The present invention is directed to a replaceable lamp assembly for a point-of-use water treatment system (WTS). The lamp assembly includes first and second ends with respective sealed inlet and outlet openings associated with the ends. One or more conduits extend between the openings. A bulb assembly is positioned adjacent the conduit to irradiate liquid transferred in the conduit. A reflector assembly in the lamp assembly focuses radiation on the conduit. An enclosure surrounds the bulb and reflector assemblies such that lamp assembly becomes a generally closed pressure vessel.