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Strengthened iron catalyst for slurry reactors

A method of strengthening a precipitated unsupported iron catalyst by: preparing a precipitated unsupported iron catalyst containing copper and potassium; adding a solution comprising a structural promoter to the previously prepared catalyst; drying the mixture; and calcining the dried catalyst.A method for preparing an iron catalyst, the method comprising: precipitating a catalyst precursor comprising iron phases selected from hydroxides, oxides, and carbonates; adding a promoter to the catalyst precursor to yield a promoted precursor; drying the promoted precursor to yield dried catalyst; and calcining the dried catalyst, wherein the catalyst further comprises copper and potassium.A method of preparing a strengthened precipitated iron catalyst comprising: co-precipitating iron, copper, magnesium, and aluminum; washing the precipitate; alkalizing the precipitate; and drying the precipitate to yield a dried catalyst precursor. The dried catalyst precursor may be calcined and treated with a gas comprising carbon monoxide.
Owner:RES USA LLC

Method for activating strengthened iron catalyst for slurry reactors

A method of activating an iron Fischer-Tropsch catalyst by introducing an inert gas into a reactor comprising a slurry of the catalyst at a first temperature, increasing the reactor temperature from the first temperature to a second temperature at a first ramp rate, wherein the second temperature is in the range of from about 150° C. to 250° C., introducing synthesis gas having a ratio of H2:CO to the reactor at a space velocity, and increasing the reactor temperature from the second temperature to a third temperature at a second ramp rate, wherein the third temperature is in the range of from about 270° C. to 300° C. The iron Fischer-Tropsch catalyst may be a precipitated unsupported iron catalyst, production of which is also provided.
Owner:RES USA LLC

Priority-based wireless USB transfer service management apparatus and method thereof

A priority-based wireless USB transfer service management apparatus and method capable of preventing conflict or interference between service and minimizing waste of resources by providing optimized service supporting environment according to characteristics and media classes of various wireless USB devices are provided. In the priority-based wireless USB transfer service management apparatus and method, wireless data transmitted from wireless USB devices are integrated according to service classes, service management information is configured by identifying the wireless data according to associated protocols, services are classified based on the service management information, priorities and weighting factors are allocated according to the services, final service determination information is configured based on a user's request, and a to-be-performed service is determined based on the final service determination information, so that the determined service is controlled to be performed.
Owner:ELECTRONICS & TELECOMM RES INST

Magnetic separation combined with dynamic settling for fischer-tropsch processes

A system for separating particulate from a fluid stream having an inlet solids content, the system comprising: a magnetic dynamic settling vessel comprising at least one magnetic field inside the vessel and / or one magnetized component; at least one inlet for introduction of the fluid stream having a starting solids content; at least one exit for a stream comprising a solids content not greater than the inlet solids content; at least one exit for a fluid stream comprising a solids content not less than the inlet solids content; and a vertical feed conduit extending at least 70% of the distance from the at least one fluid inlet to the at least one exit for a fluid stream comprising a solids content not less than the inlet solids content. A method for separating particulate from a fluid stream having an inlet solids content is also provided.
Owner:RES USA LLC

Piercing Terminal, Electric Connector and Their Production Process

This invention is about the electric connector and its processing technique. More specifically, it involves terminals with puncture structure, electric connector and their processing technique. The processing technique herein includes stamping terminal processing, winding displacement processing, injection upper cover, injecting lower cover, piercing processing, removal of material ribbon, front glue chip assembly, assembly of outer metal shell. Among them, the upper cover and lower cover are injected and molded in the middle and rear of the corresponding terminals in array. The processing technique has tackled the problems as unstable contact, poor contact, high electric resistance and micromation which cannot be solved by the current existing electric connector. There should be at least two tusks whose tips are intertwined molded in the electric connector of piercing terminal. The tusks are the pyramid shape with a cambered surface in the inner side; it reduces the electric resistance of electric connector. The upper and lower covers of piercing HDMI electric connector are respectively molded in the arrayed terminals. The rear end of the terminal has molded piercing tusk. The electric connector has become smaller and lighter, improving its performance in every aspect significantly.
Owner:HSU CHING JEN

Apparatus and method for reconstructing a ligament

A system for securing a graft ligament in a bone tunnel, a flexible member for positioning the graft ligament in the bone tunnel, the flexible member having a first closed loop at a first end thereof and a second closed loop at a second end thereof, a delivery device having an end for positioning the first and second loops of the flexible member in the bone tunnel, and a pulling member having an end for withdrawing a selected one of the ends of the flexible member from the delivery device when the delivery device is positioned in the bone tunnel, and for pulling the selected end of the flexible member through a portion of a second bone tunnel which intersects, and extends traverse to, the first-mentioned bone tunnel.
Owner:DEPUY MITEK INC

Silicone microparticles comprising silicone elastomer spherical microparticles coated with polyorganosilsesquioxane, and method of producing same

Provided are silicone microparticles including 100 parts by mass of silicone elastomer spherical microparticles having a volume average particle diameter within a range from 0.1 to 100 μm, and 0.5 to 25 parts by mass of a polyorganosilsesquioxane that coats the surface of the silicone elastomer spherical microparticles, in which the silicone elastomer is capable of absorbing not less than 30 parts by mass of at least one oily substance selected from the group consisting of sebum, hydrocarbon oils and ester oils per 100 parts by mass of the silicone elastomer. These silicone microparticles are capable of absorbing a large amount of the above oily substances, are able to ameliorate various problems caused by sebum such as changes in cosmetic make-up properties, changes in the color of cosmetic materials and increased shininess of cosmetic materials, and are also able to suppress the greasiness, stickiness, and oily film feeling of cosmetic materials containing at least one of liquid oils composed of hydrocarbon oils and ester oils. The silicone microparticles can be produced by hydrolyzing and condensing an organotrialkoxysilane in a water medium, in the presence of the above silicone elastomer spherical microparticles and an alkaline material, thereby coating the surface of the silicone elastomer spherical microparticles with a polyorganosilsesquioxane.
Owner:SHIN ETSU CHEM IND CO LTD
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