Abstract: The invention relates to removal of styrene from hydrocarbon mixtures, and more particularly, removal of styrene from hydrocarbon mixtures containing higher than equilibrium paraxylene concentrations.

Abstract: A process and apparatus are presented for the conversion of propane to higher valued fuels, such as gasoline and diesel. The process includes the dehydrogenation of propane to generate a propylene stream. The propylene stream is oligomerized and controlled to generate a liquid hydrocarbon stream in the C6 to C12 range.

Abstract: Provided is a granular activated carbon having many mesopores that can be used for applications similar to sine chloride-activated carbons, and also provided is a method for manufacturing the same. The granular activated carbon is obtained by bringing an activated carbon into contact with a calcium component, followed by activation and washing.

Abstract: There is disclosed articles for and methods of confining volatile materials in the void volume defined by crystalline void materials. In one embodiment, the hydrogen isotopes are confined inside carbon nanotubes for storage and the production of energy. There is also disclosed a method of generating various reactions by confining the volatile materials inside the crystalline void structure and releasing the confined volatile material. In this embodiment, the released volatile material may be combined with a different material to initiate or sustain a chemical, thermal, nuclear, electrical, mechanical, or biological reaction.

Abstract: A rotary enthalpy exchange wheel having a rotatable wheel with air passageways extending from a front side to a back side for passing air streams therethrough. The wheel has a rigid substrate which is coated or laminated with a desiccant composition having a sulfonated block copolymer. The sulfonated block copolymer has at least one end block A and at least one interior block B, wherein each A block contains essentially no sulfonic acid or sulfonate ester functional groups and each B block is a polymer block containing from about 10 to about 100 mol percent sulfonic acid or sulfonate ester functional groups based on the number of monomer units.

Abstract: A method of preparing epoxidation catalysts is disclosed. The method comprises: (a) adding an inorganic siliceous solid to a column to produce a solid-filled column; (b) adding to the solid-filled column a solution comprising titanium tetrachloride and a hydrocarbon solvent to produce a titanium tetrachloride-impregnated solid; and (c) calcining the titanium tetrachloride-impregnated solid at a temperature from 500° C. to 1000° C. to produce the catalyst. The inorganic siliceous solid has a pore volume of at least 0.8 cm3/g.

Abstract: The invention relates to a novel method of preparing attrition resistance spinel supports for Fischer Tropsch catalysts. The process comprises: (a) combining aluminum oxide, metal compound capable of forming spinel phase, and soluble compound of a trivalent aluminum; (b) mixing the combination resulting in (a) in a manner sufficient to form a slurry comprising the aforementioned combination; and (c) processing the mixture of (b) under conditions sufficient to form metal aluminate spinel composition. Metal aluminate spinel, for example, is formed in the last step by calcining the mixture from (b) at a temperature in the range of 700 to 1300° C., but the process is also capable, of producing attrition resistant supports (e.g., having a DI of 5 or less) at a relatively lower temperature in the range of 700 to 1050° C. The invention also produces the attrition resistance with lower metal loadings than that reported for prior attrition resistant spinel supports.

Abstract: [SUMMARY] [PURPOSE] To provide a satisfactory oxygen storage material and a method for producing it. [SOLUTION MEANS] An oxygen storage material comprising: zirconia particles and a ceria-zirconia complex oxide supported on them, wherein the ceria-zirconia complex oxide includes a pyrochlore phase, and has a mean crystallite diameter of 10 nm to 22.9 nm.

Abstract: The present invention relates to compositions based on zirconium oxide and cerium oxide that exhibit a sufficiently high specific surface area after calcination and a low maximum reduction temperature of the oxide after calcination. Compositions of the present invention may be notably used in various catalytic systems, such as for the treatment of exhaust gases from internal combustion engines.

Abstract: Provide is a catalytic converter including a substrate which includes regions having different cell densities, in which exhaust gas purification performance is superior in all the regions of the substrate. A catalytic converter 10 includes catalyst layers in which a noble metal catalyst is supported on a support in surfaces of cell walls 2 of a substrate 1 having a cell structure in a longitudinal direction of the substrate 1 in which gas flows, in which the substrate 1 has a first region 1A having a relatively high cell density and a second region 1B having a relatively low cell density, and a ratio of a thickness of a catalyst layer 3A in the second region 1B to a thickness of a catalyst layer 3 in the first region 1A is in a range of more than 0.95 times and 1.2 times or less.

Abstract: The present invention is to provide a NOx storage reduction catalyst for purifying exhaust gas capable of efficiently removing carbon monoxide (CO), a hydrocarbon (HC), and a nitrogen oxide (NOx), in particular NOx, which are harmful components contained in exhaust gas. The NOx storage reduction catalyst for purifying exhaust gas of the present invention is characterized by being obtained by using a complex oxide of strontium and cerium as a catalytic active component, in which the complex oxide of strontium and cerium adsorbs 1.0 mL or less of oxygen per gram in a 400° C. atmosphere, and sinters a precursor at 300° C. or more.

Abstract: Provided is a a catalytic converter capable of obtaining superior NOx purification performance while reducing the amount of a noble metal catalyst. A catalytic converter 10 includes: a substrate 1 having a cell structure in which exhaust gas flows; and catalyst layers 3 that are formed on cell wall surfaces 2 of the substrate 1. The catalyst layers 3 include a first catalyst layer 4 disposed on an upstream side of the substrate 1 in an exhaust gas flow direction and a second catalyst layer 5 disposed on a downstream side of the substrate in the exhaust gas flow direction. The first catalyst layer 4 is formed of a support and rhodium which is a noble metal catalyst supported on the support. The second catalyst layer 5 is formed of a support and palladium or platinum which is a noble metal catalyst supported on the support.

Abstract: A method and a catalyst, where flue gas or exhaust gas containing harmful carbon monoxide, organic compounds (VOC) and NOx is contacted with a layered catalyst in which a first layer comprises an oxidation catalyst and in an underlying layer a NH3-SCR catalyst for the simultaneous removal of the carbon monoxide and NOx.

Abstract: In at least one embodiment, an oxygen reduction reaction catalyst (ORR) and a method for making the catalyst are provided. The method may include depositing a metal oxide on a graphitized carbon or graphene substrate. A platinum catalyst may then be deposited over the metal oxide to provide an ORR catalyst for use in, for example, a PEMFC. The metal oxide may be niobium oxide and may have an amorphous structure. The platinum catalyst may form a thin, electrically interconnected network structure overlaying the metal oxide. The ORR catalyst may be prepared by alternating the deposition of the metal oxide and the platinum catalyst, for example, using physical vapor deposition. The ORR catalyst may have a specific activity of at least 1,000 ?A/cm2 Pt and may approach or achieve bulk Pt activity.

Abstract: Embodiments described herein generally relate to hydrogenation catalysts, syntheses of hydrogenation catalysts, and apparatus and methods for hydrogenation. Methods for forming a hydrogenation catalyst may include mixing a silica generating precursor with a copper precursor and adding an ammonium salt to an end pH of between about 5 to about 9. Methods for hydrogenating an oxalate may include forming a reaction mixture by flowing a hydrogenation catalyst to a reactor, flowing a hydrogen source to the reactor, and flowing an oxalate to the reactor, wherein the hydrogenation catalyst has a particle size between about 10 nm to about 40 nm. Methods may further include reacting the oxalate to form ethylene glycol.

Abstract: A porous member includes a base member and carbon nanostructures. The base member includes a porous body having a porosity of more than or equal to 80%. The carbon nanostructures are formed on a surface of the base member, and have a width of less than or equal to 100 nm. A catalyst member includes a catalyst arranged on surfaces of the carbon nano structures.

Abstract: The invention provides a method for the production of a supported nickel catalyst in which the support is prepared from mixed oxides preferentially comprising MgO, ZrO2, and combinations thereof, in which the support is precipitated or co-precipitated by an aqueous, alkali-metal containing aqueous solution. The resulting nickel catalyst has good activity for the reforming of methane, and shows good stability and resistance to deactivation due to carbon deposition.

Abstract: Disclosed is a multi-component bismuth molybdate catalyst for production of butadiene which comprises bismuth, molybdenum and at least one metal having a monovalent, divalent or trivalent cation, and further comprises cesium and potassium and thus has advantages of improving conversion ratio, yield and selectivity of butadiene and of providing stability of process operation.

Abstract: The carrier of the present invention includes at least 85 wt percent alpha alumina, at least 0.06 wt percent SiO2 and no more than 0.04 wt percent Na2O. The carrier has a water absorption no greater than 0.35 g/g and a ratio of water absorption (g/g) to surface area (m2/g) no greater than 0.50 g/m2. Another aspect of the invention is a catalyst for the epoxidation of olefins which comprises the above described carrier and silver dispersed thereon, where the carrier has a monomodal, bimodal or multimodal pore distribution and where the quantity of silver is between 5 and 50 wt/%, relative to the weight of the catalyst. A reactor system for the epoxidation of olefins is also disclosed.

Abstract: Provided is a process for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, providing a reaction vessel having loaded therein a rare earth element oxide; halogenating the rare earth element oxide with a halogen source to form an activated catalyst; and dehydrating an aromatic alcohol compound over the activated catalyst to form the diaryl ether compound, where the halogenating and dehydrating steps occur in the same vessel. The rare earth element oxide is an oxide of a light rare earth element, an oxide of a medium rare earth element, an oxide of a heavy rare earth element, an oxide of yttrium, or a mixture of two or more thereof.

Abstract: Provided is a catalyst for the selective reduction of NOx comprising a two molecular sieve materials having a CHA structure, wherein the first molecular sieve has a mean crystal size of about 0.01 to 1 ?m and the second molecular sieve has a mean crystal size of about 1-5 ?m, and wherein the first molecular sieve contains a first extra-framework metal, the second molecular sieve contains a second extra-framework metal, and wherein said first and second extra-framework metals are independently selected from the group consisting of cesium, copper, nickel, zinc, iron, tin, tungsten, molybdenum, cobalt, bismuth, titanium, zirconium, antimony, manganese, chromium, vanadium, niobium, and combinations thereof.

Abstract: Process for the preparation of a catalyst comprising the steps of (a) preparing a slurry comprising clay, zeolite, a sodium-free silica source, quasi-crystalline boehmite, and micro-crystalline boehmite, provided that the slurry does not comprise peptised quasi-crystalline boehmite, (b) adding a monovalent acid to the slurry, (c) adjusting the pH of the slurry to a value above 3, and (d) shaping the slurry to form particles. This process results in attrition resistant catalysts with a good accessibility.

Abstract: Crystalline zeolites having a FER framework type wherein the crystallites have a dimension in the c-axis of about 500 nanometres (nm) or less, a method for their preparation and a process for the co-production of acetic acid and dimethyl ether comprising the step of contacting methyl acetate and methanol in the presence of catalysts comprising the crystalline zeolites.

Abstract: The present invention relates to a catalyst for fluidized catalytic cracking of hydrocarbon oil containing a framework-substituted zeolite-1 in which zirconium atoms and/or hafnium atoms form a part of a framework of an ultra-stable Y-type zeolite.

Abstract: A catalyst, which is obtained by mixing a compound expressed by the following Structural Formula (1), a nitroalkane compound, a neodymium-containing compound, a sodium-containing compound, and a carbon structure:

Abstract: A catalyst includes a gas-permeable textile sheet material made of noble-metal-containing wire having a three-dimensional secondary structure produced thereon. The secondary structure is a three-dimensional dent structure including dents arranged adjacent to each other in rows in two spatial directions. The dents are in the form of a hexagon. The dent structure is formed by self-organization in a denting process.

Abstract: An apparatus is disclosed. The apparatus comprises a lean-burn internal combustion engine, engine management means and an exhaust system for treating exhaust gas of the engine. The exhaust system comprises a first oxidation catalyst disposed on a first honeycomb monolith substrate. The first oxidation catalyst comprises platinum supported on a first metal oxide support comprising at least one reducible oxide, and is substantially free of alkali metals and alkaline earth metals. The engine management means is arranged, when in use, intermittently to modulate the lambda composition of the exhaust gas entering the first oxidation catalyst to a rich lambda composition.

Abstract: The present invention relates to a method of regenerating an ion exchange material loaded with chromate ions and nitrate ions in an ion exchange colunm, the method comprising subjecting the loaded ion exchange colunm to a regeneration sequence comprising the following steps: (i) passing a first salt solution through the colunm forming a first effluent solution; (ii) passing a second salt solution through the colunm to at least partially remove the chromate ions from the colunm forming a second effluent solution, wherein the, second salt solution has a higher salt concentration than the first salt solution; (iii) passing a third salt solution through the colunm to at least partially remove nitrate ions from the colunm forming a third effluent solution, wherein the third salt solution has a salt concentration higher than the second salt solution.

Abstract: This invention relates to a disposable pipette tip or tube designed to perform biological or chemical sample preparation, purification or separation where the samples are in a closed bottle with a lid with septum or membrane. In an automatic sampler for HPLC or Gas chromatography, septum closed vials are used to prevent samples from drying out or evaporating during the analytical process. The auto sampler needles are used to prick the septum at the vial to get the sample out for injecting in injector for the analysis. The same needle takes the samples from each vial, and therefore a contamination of the samples is possible.

Abstract: The innovative glass flasks have a standard taper outer joint to fit the most commonly used glassware in chemical laboratories. Unlike the round bottom flasks, the innovative flasks with an external flat bottom can be kept upright on the bench without the flask holder support. The flasks can be held by a corresponding shaped cooling block or heating block to perform multi-flask reactions simultaneously on a magnetic hot plate stirrer without the use of clamps at various temperatures. It also ensures that the magnetic stir bars spin consistently and efficiently on a flat or a shallow hemispherical bottom when the flasks are offset from the center of the magnetic stirrer. The flasks can also resist fracturing under vacuum for solvent distillations.

Abstract: A sample vessel may include a segmented tubule having an opening for receiving a sample material and at least one compressible section, the at least one compressible section having a wall constructed at least partially from a material having sufficient flexibility to permit compression of opposed sections of the wall into contact, and at least two segments of the tubule being fluidically isolated from one another by a bonding of opposed sections of the tubule wall to one another. The sample vessel may also include an interface in fluid communication with the opening in the tubule, the interface facilitating delivery of a sample material to the tubule through the opening.

Abstract: A thin film valve includes at least one chamber for storing a fluid required for biological/chemical analysis, a plurality of chamber for performing a biological/biochemical reaction, or connecting, at least one chamber performing the biological or biochemical reaction to enable a movement of the fluid flow, a flow path arranged to communicate with the hole on the flow path, a thin film closing membrane for closing the fluid hole, a thin film valve including the hole and the fluid hole closing membrane, a multilayered plurality of substrates forming the fluid path, the fluid hole and the chamber, a rotatable disk forming the fluid path, fluid hole, the plurality of chambers, a heat generator, laser beam generator heating the thin film valves, a light detector for detecting amount of light passing through the membrane and closing the fluid hole, and a feedback controller for controlling the focusing actuator.

Abstract: This invention provides microfabricated devices and methods for detecting, analyzing and sorting biological materials and particles. Droplets containing the particles are provided in an extrusion fluid, passed through a detection region, and then directed into a branch channel according to predetermined characteristics. For example, cells or viral particles contained in droplets of aqueous solvent are flowed past a detector in the nonpolar extrusion fluid decane, and routed into a selected branch channel for subsequent analysis or use.

Abstract: Devices for sorting cells in a fluid sample are provided. The device includes a microfluidic conduit configured to carry a flow of a fluid sample. The conduit includes a longitudinal divider extending from an interior surface of the conduit towards an opposing interior surface of the conduit, where the longitudinal divider defines a first longitudinal fluid flow path in fluid communication with a second longitudinal fluid flow path in the conduit. Also provided are methods of using the devices as well as systems and kits that include the devices. The devices, systems and methods find use in a variety of different applications, including diagnostic assays.

Abstract: The present invention generally pertains to a system which utilizes floating thermal contact to enable PCR, in a thermal management device. Comprised of multiple thermal zones attached to a framework, each zone an individually actuated, isolated sub-assembly. The actuation of each zone ensures physical contact with an uneven, yet flat microfluidic chip to achieve effective, conductive heat transfer. The isolation of each zone serves to insulate the thermal zones from each other and minimize undesired heat transfer between adjacent zones, so that each zone is at a proper, uniform temperature.

Abstract: In one embodiment, a thermal array comprises a first heating element and a second heating element, each surrounded by insulators which cover five sides of each heating element, held in position by a cooling block. Two thermal arrays are placed opposite each other creating a conduction channel wherein a sample vessel is transported between the heating elements and cooling block as the reaction requires. Due to the low energy consumption of each array, the thermal array system may function using standard D-cell batteries.

Abstract: A single-disc refiner (1) has a stationary refining element (2) and an opposed rotatable refining element (12), each of which has a radially inner blade element (4, 14) providing an inner refining surface area and a radially outer blade element providing an outer refining surface area. The inner and outer refining surface areas of each refining element together provide a refining surface of the refining element, the refining surfaces defining a feed zone (29) followed by a treatment zone (30) with a transition point therebetween located at a radial distance of 70-90% from the center of the refiner or at a radial distance of 50-80% from the innermost edge (25, 27) of the refining element or at a radial distance of 20-50% from the inner edge (34) of the outer blade element (8, 18, 33) towards the outermost edge (26, 28, 35) of the refining element.

Abstract: A blade element (11) for a refiner (10) for refining fibrous material has a blade element body (12) and blade bars (13, 13a, 13b) and blade grooves (14, 14a, 14b) therebetween. Bottoms of the blade grooves (14, 14a, 14b) have, in the longitudinal direction (LD) of the blade grooves, a variable depth profile comprising alternating high points (14a?, 14b?) and low points (14a?, 14b?) so that there is a phase shift (X2) between the high points (14a?, 14b?) and the low points (14a?, 14b?) of the variable depth profiles of the bottoms of the adjacent blade grooves (14a, 14b). Also, a refiner (10) for refining fibrous material and a method for manufacturing the blade element (11) for the refiner (1).

Abstract: A material reducing apparatus may be provided. The material reducing apparatus may include a rotor structure for driving rotation of the rotary reducing component. The rotary reducing component includes a first set of reducing component elements and a second set of reducing component elements, each with distinct characteristics. The first set of reducing elements can be carried by the rotor structure within first mounting locations such that the first set of reducing elements is balanced as a set relative to the axis of rotation. The rotary reducing component further includes a second set of reducing elements carried by the rotor structure within second mounting locations such that the second set of reducing elements is balanced as a set relative to the axis of rotation. In certain examples, multiple sets of reducing elements may coexist within the rotary reducing component, each with distinct characteristics.

Abstract: New, unique and nonobvious materials for wellbore operations produced by pulse combustion, including coating, encapsulating, and/or powderizing; and systems and apparatuses to effect such methods. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: The invention relates to a method of controlling a grinding mill process in a grinding circuit, which said grinding circuit comprises at least a grinding mill (6) having a shaft (4) in a grinding chamber (2), said grinding circuit (G) further comprises a cyclone (11) for receiving circuit feed material and for feeding said circuit feed material further in the grinding circuit (G), and monitoring devices. The grinding mill process comprises at least following steps: pumping circuit feed material from a feed tank to the cyclone (11) upstream of the mill, and pumping the circuit feed material forming slurry into the grinding mill (6) for grinding the slurry into finer particles.

Abstract: The heavy metal recovery apparatus includes a container having a cavity defined by a bottom element and a wall extending upwards from the bottom element, with the container having input and output ends. The bottom element includes an upper portion and a lower portion with a chamber therebetween, with a plurality of apertures formed in the upper portion, with the bottom element sloping downward from the input end to the output end. The container may be mounted within a frame with security panels mounted to the frame to prevent unauthorized access to the container.

Abstract: A dust collection system, a dust collection method, and a dust collector, can enhance dust-collecting efficiency while reducing the volume of the dust collector as a whole. A dust collector is provided with a casing having an inlet into which gas is introduced; a discharge electrode to which voltage is applied, the discharge electrode being disposed inside the casing and having a spike called discharge spike and mounting frames for supporting the discharge spike; and a collecting electrode having a planar member, disposed inside the casing facing the discharge electrode, the mounting frames being inclined with relation to the gas flow at the inlet. Two mounting frames are connected to each other on the downstream side of the gas flow, and are arranged so that, between the two mounting frames, the upstream side of the gas flow is wider than the downstream side of the gas flow.

Abstract: A disposable blood separation set and a centrifugal blood processing system comprising a blood processing chamber adapted to be mounted on a rotor of a centrifuge; a frustro-conical cell separation chamber in fluid communication with the processing chamber, the cell separation chamber having an inlet, a primary outlet and a side tap outlet adjacent the inlet. A valve that is responsive to centrifugal force (a “gravity” valve) selects between the outlet and the side tap outlet. The gravity valve is mounted on the rotor. When the rotor spins at high speed, the gravity valve may open the primary outlet and close the side tap outlet. When the rotor spins at a lower speed, the gravity valve may open the side tap outlet and close the primary outlet.

Abstract: A coating device is provided for application of a coating agent, in particular a paint, sealant, separating agent, function layer or adhesive, to a component such as a motor vehicle body and/or attachment therefor. The coating device comprises an applicator that has at least one outlet opening and is configured to emit at least one coating agent jet. The coating device includes a deflector that is configured for deflecting the coating agent jet.

Abstract: A spray structure of a water spray gun is formed on a surface cover of the water spray gun. The surface cover is formed with a plurality of spray orifices. The inner side of the surface cover is formed with annular flanges each corresponding to the edge of each spray orifice. Each flange is formed with a tangential opening. The surface cover of the present invention is formed with the tangential opening instead of the inclined opening of the water distribution member of the prior art. When the water flows to the tangential opening and then enters the flange to be rotated and sprayed out through the spray orifices. The tangential opening of the present invention is flat and smooth and won't be blocked. The water spray gun won't be damaged easily and has a long service life. The cost is reduced.

Abstract: A perforated plate is provided for an application device for the application of a coating agent, in particular a paint, a sealant, a glue or a separating agent, to a component, in particular to a motor vehicle body component. The perforated plate contains at least one through-hole for passing the coating agent through and a hole exit opening on the side of the perforated plate that is located downstream with a wetting surface that can be wetted during operation by the coating agent. The through-hole, to reduce the wetting tendency, transitions into a protruding pipe stub or has a structure that reduces the wetting tendency and/or improves the flushability, e.g., a microstructuring or a nanostructuring.

Abstract: A variable orifice spray valve including a valve body (42) having a spray discharge orifice (42A) formed therein. The spray valve further includes a liquid flow passage into the valve body, a deflector plate (45) in proximity to the spray discharge orifice (42A) onto which liquid discharged from the orifice is directed, a spray height adjuster (44) adjacent the orifice and movable relative to the deflector plate (45) into the liquid flow path from the orifice, and an adjustment mechanism (43) to adjust the position of the spray height adjuster (44) relative to the discharge orifice (42A).

Abstract: A combination water amusement and drinking device can include a container to contain water, the container having an outlet port, a multipurpose port, and a fill port. The device can also include an amusement nozzle removably coupled to the outlet port. The device can further include a drinking nozzle removably coupleable to the multipurpose port. The device can still further include a water pump operable to pump the water from the container through the outlet port for delivery to the amusement nozzle. In addition, the device can include a gas pump operable to pressurize gas in the container to move the water from the container through the multipurpose port for delivery to the drinking nozzle when the drinking nozzle is coupled to the multipurpose port. The multipurpose port and the fill port can each be coupleable to a water source to provide water to the container.

Abstract: Device for dispensing a fluid, comprising: a feed pipe, a dispensing pipe arranged in order to convey a fluid in a dispensing direction, a deformable pouch, a feed valve, which, in an open state, allows fluid to pass from the feed pipe to the inside of the pouch, and, in a closed state, does not allow this, and a dispensing valve, which, in an open state, allows fluid to pass from the inside of the pouch to the dispensing pipe, and, in a closed state, does not allow this, wherein the dispensing valve is held in the device by tightening between inner walls of the dispensing pipe.