Abstract: Low-retention pre-columns that allow increased injection volumes of solvents chromatographically stronger than the mobile phase and use of solvents with limited solubility in the mobile phase, such as ethyl acetate and MTBE. The system and method also reduces band broadening due to the extra-column effects acting upstream of the analytical column, including band broadening due to the injection process and due to the connecting tubing and fittings between the injection system and the column. A pre-column may also be used as a guard column, thereby minimizing band broadening due to the guard column.

Abstract: The process involves the use of two rotary valves to implement Varicol operation of a simulated moving bed apparatus to separate a product from at least one multicomponent feed. In a particular embodiment, paraxylene is separated from a mixture of C8 aromatic hydrocarbons. The use of the Varicol process further enhances the separation of the desired product and provides flexibility with a simulated moving bed apparatus using dual rotary valves.

Abstract: Certain embodiments may generally relate to systems and methods for developing and improving compact electrocoalescers for in-line dehydration of water-in-oil dispersions. A compact electrocoalescer may include a casing, and a plurality of bare or insulated conical-shaped electrodes housed in the casing. The electrodes may include a metal mesh structure. The electrodes may also be truncated at the apex, and alternatively connected to a power supply and ground. The electrodes may further be stacked in a manner such that at least one electrode is at least partially nested within at least another electrode.

Abstract: A sterilization system with multipurpose degasser has a vortex mixing cylinder, an endcap, and a deionization system. The vortex mixing cylinder is a container that has an inlet an outlet. The inlet and out enable an ozone-water mixture to flow into a mixing chamber within the vortex mixing cylinder. The mixing chamber is designed to facilitate the formation of an ozone saturated ozone-water mixture. The endcap is used to cover an opening of the mixing chamber and is used to expel gasses out of the mixing chamber. The deionization system is an electrical filter that removes ozone particles from the air within the mixing chamber. The deionization system is mounted in between the vortex mixing cylinder and the endcap. Accordingly, gasses must pass through the deionization system prior to being expelled through the endcap. The ozone particles are removed from the gasses being expelled through the endcap, prior to expulsion.

Abstract: A precision pump system is described that includes a motor driver for accurately and repeatedly delivering process fluid, and uses a pumping fluid with minimal process fluid loss to a fabrication process. A method for automatically evacuating gas from the process fluid to be dispensed as part of a recirculation process is also described.

Abstract: A wastewater treatment device including a vessel having an inlet for receiving an influent stream, a grit outlet and a floating-matter outlet; a separator disposed within the vessel, wherein the separator comprises a tray assembly connected to the inlet and the grit outlet, the tray assembly including a plurality of nested tray units which define a separator axis and are spaced apart from one another along the separator axis, each tray unit having a substantially conical tray aligned along the separator axis and an aperture in the tray disposed at the separator axis and in communication with the grit outlet, wherein the wastewater treatment device further includes a spray nozzle configured to deliver a jet of fluid towards a surface of water within the vessel, wherein the spray nozzle is angled towards the direction of the floating-matter outlet to force floating matter accumulated on the surface of the water towards and out of the outlet.

Abstract: An improved solids interceptor and methods of using the same. The solids interceptor includes a tank having an inlet and at least one outlet, and an access opening on an upper end of the tank. A perforated basket is removably received within the tank via the access opening. When the basket is installed within the tank, wastewater entering the tank via the inlet flows into the basket, with the solid waste being collected in the basket and the liquid waste flowing out of the basket via the perforated screen. The basket and tank include an interlocking flange assembly that automatically axially aligns a basket inlet with an inlet pipe simply by inserting the basket into the tank. The basket is removable from the tank to easily clean out and discard solid waste accumulated in the basket.

Abstract: The present invention relates to a removal device for removing gas bubbles and/or dirt particles from a liquid in a liquid conduit system or for removing a second liquid from a first liquid in the conduit system. The removal device includes a main channel for a main flow, the main channel having an entry and an exit which are configured to be connected to the conduit system, a housing which defines an inner space, at least one supply channel extending from the main channel to the inner space, at least one return channel extending from the inner space back to the main channel, directly or indirectly via a return chamber, at least one quiet zone in the inner space in which in use the liquid has a substantially smaller velocity than in the main channel. The quiet zone is configured to allow dirt particles or a relatively heavy liquid to settle at a lower end of the housing and/or gas bubbles or a relatively light liquid to rise to an upper end of the housing.

Abstract: A solid/fluid separation module and press enables treatment of solids with enclosed fluids to generate a filtered mass having a solids content above 50%. A split filter module with first and second filter blocks clamped together for forming barrel sections or filtering sections is disclosed for use in a solid/fluid separating device including a barrel and a conveyor screw in the barrel. The split filter module permits replacement, maintenance, or repair of the filter blocks without disassembly or the separating device, or removal of the conveyor screws.

Abstract: An apparatus for filtering water includes a tubular housing defining a housing interior for holding a filter cartridge that radially divides the housing interior into a feed zone and a filtrate zone. The housing interior extends vertically from a bottom end to an upper end defining an upper end opening that is sized to allow the filter cartridge to be inserted into and removed from the housing interior. A lid is removably attached in sealing relationship to the housing top end to prevent water flow out of the housing interior via the housing top end opening. A distributor, attached in sealing relationship to the housing bottom end, has an inflow passage for directing water flow into the feed zone of the housing interior, and an outflow passage for directing water flow out of the filtrate zone of the housing interior, and into a tank storing a granular filtration medium.

Abstract: A storm drain sediment filter that can be adapted to cover a catch basin and be held in place by a perforated grate. In one embodiment, the filter includes a frame including four L-shaped rigid members, each of which is provided with at least two spaced apart retaining members. The four L-shaped rigid members are arranged such that a rectangular frame is formed having a total of four overlapping sections. The retaining members engage one of the overlapping portions of the frame but slidably receives the other. No retaining ends are formed at the distal end of the slidably engaged L-shaped members to serve as a sliding boundary. Instead, the dimensions of the filter bag are such that the filter bag serves to define the maximum dimension of the frame and thereby maintain the overlapping L-shaped rigid members in slidable engagement with each other. A circular embodiment is also disclosed.

Abstract: The present technology is directed generally to fluid treatment systems. In particular, several embodiments are directed toward filter supports configured to be positioned adjacent a filter belt within a filter belt filtration system. In one embodiment, the filter support can have a longitudinal axis generally parallel to the direction of movement of the filter belt. The filter support can include a plurality of struts spaced apart by a plurality of openings, and at least one of the plurality of struts extends across a portion of the filter support such that a longitudinal axis of the at least one strut is positioned at an angle with respect to the longitudinal axis of the filter support.

Abstract: A filter apparatus is described that has a torque limiting device, which may be a clutch mechanism, and which provides a protective function for a filter, so as to protect a filter from being over tightened and to thereby prevent damage to filter components. The clutch mechanism can also eliminate or reduce the need for torque measurement of certain filter components. The clutch mechanism can be located on one of the fluid filter, a filter head which engages the fluid filter, or a combination of both the fluid filter and the filter head.

Abstract: A fluid treatment apparatus and related methods involving the use of replaceable treatment cartridges that include a treatment media, wherein the treatment cartridge is electrically enhanced to form regions of differing polarity within the cartridge. The treatment cartridge can include a pair of fixed polarity conductors that can be electrically connected to a power source so as to induce regions of differing polarity within the cartridge. The fluid treatment apparatus can be utilized to treat liquids including aqueous solutions as well as gases such as an air supply by exposing the fluid to the regions of differing polarity.

Abstract: A “no filter, no run” filtration system that is designed to verify that a filter cartridge is present to safe-guard against damage to fuel injectors, associated fuel components, etc. and engine malfunctions. Fuel flow to the engine is prevented altogether or permitted in an amount insufficient to allow engine operation if a filter cartridge is not installed, and an appropriately designed filter cartridge is required to be used in order to permit sufficient fuel flow for engine operation. In one embodiment, a flow restriction valve is provided that includes a ball.

Abstract: A coalescing filter element provides an integrated filter element with a three stage design with a hydrophobic or hydrophilic coalescing layer. A coalescing filter element comprises: a) At least one particulate filtration layer; b) A coalescing layer promoting coalescing of water particles, wherein the coalescing layer is downstream of the at least one particulate filtration layer relative to the flow of fluid through the element; c) An annular coalescing space downstream of the coalescing layer; d) A sump in a lower portion of the filter element in fluid communication with the annular coalescing space; and e) A hydrophobic layer downstream of the annular coalescing space, wherein fluid being cleaned by the element flows through the hydrophobic layer. The coalescing layer may be a hydrophobic or a hydrophilic coalescing layer. A filter assembly will include the coalescing filter element of the present invention.

Abstract: The fuel filter (1) contains a filter element (4) and an additive tank (13) in a housing (2, 3). The filter element is engaged against the removable cover (3) of the housing and has a filter medium (5) extending in an annular manner around an inner space (9). An additive release device (32) extends into this inner space (9) to distribute liquid additive from the tank (13) into a fuel circulation circuit for an internal combustion engine. The additive selectively flows into a sealed distribution channel (DC) of the device (32) depending on an open or closed configuration of an actuator component (62) associated with the distribution channel. The distribution channel (DC) opens into a fuel channel (52) of the cover (3) that has a larger cross-section than the distribution channel (DC).

Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for installation of a preferred filter cartridge in a housing. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.

Abstract: In an embodiment, the present invention provides a filter element including: a bellows in the shape of a zig-zag having pleat walls and a pleat ridge, edges of the pleat walls and the pleat ridge being provided with edge elements; and a frame element being assigned to at least one end pleat of the bellows. The frame element surrounds the end pleat so as to form a positive fit on both sides, the frame element being fixed to the edge elements.

Abstract: An air filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered air flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered air from flowing out of the second portion of the plurality of flutes so that air passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the air. The fluted sheet includes repeating internal peaks facing toward the facing sheet and repeating external peaks facing away from the facing sheet.

Abstract: A separating device, particularly a spiral separator (10), separates impurities, particularly in the form of solids, from a gaseous medium flow, such as air. The medium can be fed to a spiral-shaped guiding device (42) that brings about an at least partial separation of the respective impurities from the medium flow. The guiding device (42) has a plurality of spiral arms (44) that delimit radially extending flow spaces (46) and that are arranged in an adjacent manner opposite to one another such that the medium flow is guided radially outwards.

Abstract: High-purity gas purifiers for purification of corrosive gases, such as halogen gases or halide gases, and noncorrosive gases, such as hydrogen and inert gases, methods of making and methods of using the gas purifiers, are described. The gas purifier includes a housing made of nickel or stainless steel. Within the housing, the gas purifier includes a purifier resin, including a modifi-er coated onto a substrate. The gas purifier further includes porous nickel membranes located at the inlets and outlets of the device. The inlets and outlets are capable of fluid communication with external fixtures.

Abstract: A compact desiccant air breather with unidirectional air flow comprises a housing with a plurality of air inlets adjacent an upper end for air intake. A desiccant bed of water absorbing material is within the intake flow path of air and an air chamber is within the intake flow path of air downstream of the desiccant bed. A one-way inflow check valve is adjacent the desiccant bed between the desiccant bed and the air chamber and is configured to allow airflow from the desiccant bed material to the air chamber and to prevent reverse airflow. A coupling member has an air flow conduit there-through which is in fluid communication with the air chamber and forms an air intake flow path exit. A one-way exhaust check valve in fluid communication with the air chamber is configured to allow airflow from the air chamber to the exterior and to prevent reverse flow.

Abstract: A power supply control device of a nitrogen gas generator includes: a pipe having a nitrogen gas inlet for receiving input of nitrogen gas from a nitrogen gas generator that compresses air by a compressor to separate the nitrogen gas from the air, and a nitrogen gas outlet for outputting, to outside, the nitrogen gas received by the nitrogen gas inlet; a pressure gauge that measures pressure inside the pipe; a flowmeter that measures a flow rate of the nitrogen gas flowing inside the pipe; and a control unit that controls supply of power to the compressor and shut-off of the supply of the power in accordance with a measurement result of at least one of the pressure gauge and the flowmeter.

Abstract: An adsorption device for compressed gas, is provided with a vessel with an inlet for the supply of a compressed gas to be treated, and an outlet for treated gas and an adsorption element is affixed in the vessel. The adsorption element extends along the flow direction of the compressed gas to be treated, between the inlet and the outlet. The adsorption element has a monolithic supporting structure that is at least partially provided with a coating that contains an adsorbent.

Abstract: The present invention concerns a method for lowering the water dew point subsea in a produced multiphase hydrocarbon fluid stream containing water, the method comprising the steps of: separating (10) the hydrocarbon fluid stream (1) into a liquid phase (3) and a first gas phase (2); cooling (20) the first gas phase in a controlled mariner to knock out water or condensing water and optionally other condensates while keeping the fluid above a hydrate formation temperature thereof; separating off condensed liquids (6) and a second gas phase; wherein the second gas phase (8) has a water dew point which is lower than that of the initial multiphase hydrocarbon fluid stream. The invention also concerns a system for lowering the water dew point subsea.

Abstract: A carbon dioxide separation and capture apparatus includes an absorption tower configured to cause an absorbing liquid to absorb a carbon dioxide gas contained in a process gas and a regeneration tower configured to cause the absorbing liquid from the absorption tower to release the carbon dioxide gas. The carbon dioxide separation and capture apparatus further includes an inlet concentration meter configured to measure concentration of an acid component in the process gas supplied to the absorption tower and an outlet concentration meter configured to measure concentration of the acid component in the process gas discharged from the absorption tower.

Abstract: It is an object of the present invention to downsize facility for removing or reducing concentration of hydrogen sulfide and oxygen in gas and reduce facility cost. Syngas g contains hydrogen sulfide and oxygen as target constituents of removal or reduction in concentration. Hydrogen sulfide content and oxygen content in the syngas g are measured in a preceding measurement part 13. Then, the syngas g is contacted with desulfurizing agent 14a including iron oxide. Selection is made whether to further execute deoxidization in a deoxidizing part 16 or omit or simplify the deoxidization according to results of measurements in the preceding measurement part 13.

Abstract: A selective catalytic reduction system may include a single housing defining a single centerline axis. The selective catalytic reduction system may also include a diesel particulate filter disposed within the single housing and having a DPF center axis aligned with the single centerline axis. The selective catalytic reduction system may also include an SCR catalyst disposed within the single housing and having a center axis aligned with the single centerline axis. In some implementations, the diesel particulate filter may include one or more SiC filters. In some implementations, the SCR catalyst may include one or more extruded SCR catalysts.

Abstract: The present invention relates to modification to permeate channels and permeate materials in a cross-flow filtration system to improve performance in counter current filtration having both retentate channels and permeate channels wherein a solution is pumped through one of the channels and drawn through a membrane to one of the other channels to assist in positive pressure driven filtration by using the osmotic pressure, concentration, or preferential solubility difference between the retentate and permeate flow streams thereby increasing or altering the flux through the membrane separating the flow streams.

Abstract: Provided is a gas separation membrane containing polysaccharides and being characterized by having a crystallinity of 17% or lower, the crystallinity being represented by equation (1) below: (1) Crystallinity (%)=[Ic/(Ic+Ia)]×100 (In equation (1), Ic is the sum of the integrals of the scattering intensities of crystalline peaks obtained from X-ray diffraction analysis of the gas separation membrane, and Ia is the sum of the integrals of the scattering intensities of the amorphous halo).

Abstract: The present invention relates to a method for manufacturing a composite membrane using a selective layer prepared through the interfacial polymerization (support-free interfacial polymerization) on a free interface without a support and, more specifically, to a method for manufacturing a composite membrane comprising a reverse osmotic membrane, which is obtained by preparing a selective layer through a spontaneous reaction of two organic monomers on an interface between two immiscible solutions and allowing the selective layer to adhere to a support. By employing the method for manufacturing a composite membrane having a selective layer prepared through the support-free interfacial polymerization according to the present invention, a high-functional reverse osmotic membrane can be prepared using various supports other than a conventional polysulfone support, thereby extending the application range of the reverse osmotic membrane, which has been restricted due to low chemical resistance of polysulfone.

Abstract: A semiconductor filter may be treated by fluorinating the surface of the filter. The filter has a polymer membrane held by a support structure within the filter's housing. The housing has an inlet and outlet for fluids being filtered, with the membrane held between the inlet and outlet. The support structure holds the membrane such that fluids flowing through the filter pass through the membrane. The treatment purges air from the filter before flowing a gas mixture including a fluorination agent through the filter, including the membrane.

Abstract: A fluid injection system includes a container, fluid injection device and a fertigation basket. The fluid injection device includes a housing having a flow tube having an inlet end and an outlet end. A shroud is positioned between the inlet end and the outlet end and redefines at least a portion of the fluid pathway as a constricted fluid pathway. A diverter port is between the inlet end and the shroud and diverts a portion of the inlet fluid into the container. An injection port is between the shroud and the outlet end and receives an injection tube. The fertigation basket holds dry product which is dissolved into the container to be drawn out of outlet end via the injection tube.

Abstract: An ejector has an interior nozzle, an exterior nozzle, a suction part, a mixing part and a diffuser part. The interior nozzle and the exterior nozzle are arranged coaxially with each other. A driving fluid is supplied to the interior nozzle and/or the exterior nozzle. The suction part is arranged on an outer periphery of the exterior nozzle and sucks a suction fluid by a driving fluid jet ejected from the interior nozzle and/or the exterior nozzle. A mixing part mixes the driving fluid jet with the suction fluid, and supplies a mixture fluid. The diffuser part reduces a flow speed of the mixture fluid and ejects the mixture fluid outside. An outlet part of the interior nozzle is arranged at an upstream side of the ejector more than an outlet part of the exterior nozzle along the axial direction of the ejector.

Abstract: The present invention relates to a static mixer for mixing together at least two components. The static mixer comprises a mixer housing; a mixing element having an upstream end with at least two entry openings and a downstream end, the mixing element being arranged at least partly within the mixer housing; a mixing head having at least two inlets provided at an input side and at least two outlets provided at an output surface, wherein each of the at least two inlets is in fluid communication with one of the at least two outlets; and a separating wall disposed between the output surface and the upstream end of the mixing element for separating the components leaving the outlets. The separating wall comprises a free downstream edge which is disposed with respect to at least one of the entry openings so as to allow at least partial flows of the components separated by the separating wall to combine after exceeding the downstream edge and to jointly enter said at least one of the entry openings.

Abstract: A syringe system for harvesting, mixing and emulsifying lipoaspirate and for further harvesting stromal vascular faction of adipose tissue. Stromal vascular faction contains mesenchymal stem cells, which have medically therapeutic uses. A mixing and/or emulsifying apparatus can be reciprocated in a syringe and combined with the stopper of the syringe, so that the syringe can be multi-purpose for harvesting, mixing, emulsifying, centrifuging, and transferring. This system minimizes transfers between syringes, allowing the system to remain closed and sterile.

Abstract: A system and method of micro dosing containers on a conveying system is disclosed. The system includes a mixing tank to maintain suspended solids in a mixture; a dosing assembly to inject micro-doses of the mixture into bottles; a recirculation assembly to circulate the mixture from the supply tank to the dosing assembly and back to the supply tank; a power and controls operation assembly to supply the system with power, to provide the system with electromechanical control and/or to provide a user interface; and a stand to hold at least the supply tank, the portable dosing assembly, the recirculation assembly and/or the power and/or controls operation assembly.

Abstract: An apparatus for blending liquids, comprising a main body (100) comprising a seating (106) configured to receive a receptacle (200); a support (140) carried by the main body and having a plurality of slots (142, 142?), the support being configured to receive a plurality of cartridges (300, 300?), each slot (142, 142?) of the plurality of slots being configured to receive a cartridge (300, 300?) of the plurality of cartridges; a first actuator configured to move one of the support and the seating relative to the other, thereby enabling positioning of any one slot of the plurality of slots in correspondence of the seating; a second actuator (120) configured to act upon a cartridge (300?) placed in the slot (142?) currently positioned in correspondence of the seating; and a control unit (150) connected to the first and second actuators.

Abstract: A method includes the step of receiving a first weight value from a sensor associated with a feed mixer. A first rotation speed associated with the first weight value is monitored. A second weight value is received from the sensor associated with the feed mixer and a second rotation speed associated with the second weight value is monitored. A mixing profile is generated based on the first weight value, the second weight value, the first rotation speed, and the second rotation speed. In one embodiment, a first feed ingredient is associated with the first weight value and a second feed ingredient is associated with the second weight value.

Abstract: A liquid dispenser for dispensing an effluent mixture comprises a manifold inlet connectable to a pressurized liquid source, at least one individual diluent outlet in fluid communication with the manifold inlet, and at least one backflow preventer and eductor system in fluid communication with the at least one individual diluent outlet. A flow regulator is in fluid communication with the at least one individual diluent outlet and the at least one backflow preventer and eductor system, located upstream of the at least one backflow preventer and eductor system and downstream of the at least one individual diluent outlet. The flow regulator is preferably individualized for the at least one backflow preventer and eductor system and interchangeable within the dispenser to facilitate a plurality of volumetric flow rates to the at least one respective backflow preventer and eductor system.

Abstract: A blender base is generally described. The blender base includes a base frame. An outer shell may be connected to the base frame. A motor housing is supported by the base frame and positioned inside the outer shell. The motor housing is isolated from direct connection with the outer shell to reduce the transfer of noise and vibration from the motor to the outer shell.

Abstract: A Fluid Catalytic Cracking process converts heavy crude oil fractions into lighter hydrocarbon products at high temperature and moderate pressure in the presence of a catalyst. During this process, catalyst particles stay entrained in the descending gas stream. An inlet scroll on the cyclone may be used to keep the inlet gas stream and the entrained particles away from the entrance to the gas outlet tube. Refractory material may applied to the interior of the wall of the cyclone to form an abrasion resistant lining to insulate the walls of the cyclone from the gas flow contents. The inlet feed velocity may be used as a predictive factor to determine a wear rate of the cyclones. Thus, lining erosion can be predicted so that the lining can be repaired or replaced during a planned turnaround.

Abstract: The present invention relates to a method for preparing solid capsules comprising a compound A, dispersed in a composition C4.

Abstract: A method for producing an aerogel granule having a hydrophobic-hydrophilic bipolar core-shell structure combines an aerogel precursor having a hydrophilic structure with another aerogel precursor having a hydrophobic structure. The method comprises the steps of: mixing a hydrophilic alkoxysilane compound, a hydrophobic alkyl-substituted alkoxysilane compound, and an organic solvent to form a mixture; adding an acidic catalyst to the mixture to perform hydrolysis; adding a basic catalyst to the hydrolyzed mixture to perform condensation, and during the condensation adding a dispersion solvent to the hydrolyzed mixture and stirring the hydrolyzed mixture to gelate so as to form the aerogel granule having a hydrophobic-hydrophilic bipolar core-shell structure.

Abstract: A method and system for heating and/or inspecting a portable microfluidic assay cartridge for performing an assay includes receiving the assay cartridge on a receiving region of a translatable table under automated control, heating the cartridge, during performance of the assay, with a planar radiant heater plate, the heater plate having an aperture through which an inspection axis extends, and/or inspecting the cartridge using an optical system constructed to inspect the cartridge along the inspection axis by reading a fluorescent light signal which passes through the aperture in the heater plate. In addition, the cartridge moves with movement of the translation table, and the heater plate and optical system may be stationary, and the inspection axis may be fixed.

Abstract: Sono-chemical reactors and methods of using the same are provided. The sono-chemical reactors may include a plurality of sections that are sequentially connected along a longitudinal direction of the sono-chemical reactor. The plurality of sections may include a sono-reactor section that includes a reactant inlet through which reactants are supplied into the sono-reactor section and a static mixer section that is configured to receive a first reactant/product mixture from the sono-reactor section and is configured mix the first reactant/product mixture therein for reaction between unreacted reactants. An inner space of the sono-reactor section may taper along the longitudinal direction of the chemical reactor away from the reactant inlet. The plurality of sections may also include a product separation section that is configured to receive a second reactant/product mixture from the static mixer section and is configured to separate a product from the second reactant/product mixture.

Abstract: The present invention relates to the field of solid materials for adsorption of lithium. In particular, the present invention relates to a novel method for preparing a crystallized and shaped solid material, preferably as extrudates, of formula LiXx.2Al(OH)3, nH2O with n being comprised between 0.01 and 10, x being equal to 1 when X is an anion selected from among chloride, hydroxide and nitrate anions, and x being equal to 0.5 when X is an anion selected from among sulfate and carbonate anions, comprising a step a) for precipitation of boehmite under specific temperature and pH conditions, at least one shaping step, preferably by extrusion, said method also comprising a final hydrothermal treatment step, the whole giving the possibility of increasing the adsorption capacity for lithium as well as the adsorption kinetics of the materials obtained as compared with the materials of the prior art when the latter is used in a method for extracting the lithium from saline solutions.

Abstract: A method for the preparation of zirconia-multi-walled carbon nanotube nanocomposite utilizing Pluronics as templating agents is described. An efficient method for producing hydrogen gas using the nanocomposite as a photocatalyst.

Abstract: A method for producing a dehydrogenation catalyst, comprising: a step of impregnating a carrier with a first solution having a tin source dissolved therein, so as to have tin supported on the carrier; and a step of impregnating the carrier with a second solution having an active metal source dissolved therein, so as to have the active metal supported on the carrier, wherein the tin source is at least one selected from the group consisting of sodium stannate and potassium stannate, and the active metal source has at least one active metal selected from the group consisting of platinum, ruthenium and iridium, and has no chlorine atom.