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104results about How to "Cost-effective process" patented technology

Mild hydrodesulfurization integrating targeted oxidative desulfurization to produce diesel fuel having an ultra-low level of organosulfur compounds

Deep desulfurization of hydrocarbon feeds containing undesired organosulfur compounds to produce a hydrocarbon product having low levels of sulfur, i.e., 15 ppmw or less of sulfur, is achieved by first contacting the entire feed with a hydrodesulfurization catalyst in a hydrodesulfurization reaction zone operating under mild conditions to remove the labile organosulfur compounds. A flashing column downstream of the hydrodesulfurization reaction zone fractionates the effluent at a target cut point temperature to obtain two hydrocarbon fuel fractions. A first fraction boiling at or above the target cut point temperature contains the remaining refractory organosulfur compounds. A second fraction boiling below the target cut point temperature is substantially free of organosulfur compounds, since the organosulfur compounds boiling in the range of this fraction were the labile organosulfur compounds which were initially removed by mild hydrodesulfurization. The first fraction is contacted with an oxidizing agent and an active metal catalyst in an oxidation reaction zone to convert the refractory organosulfur compounds to oxidized organosulfur compounds. These oxidized organosulfur compounds are subsequently removed, producing a stream containing an ultra-low level of organosulfur compounds. The two streams can be combined to obtain a full range hydrocarbon product having an ultra-low level of organosulfur compounds.
Owner:SAUDI ARABIAN OIL CO

Apparatus, method and use for screening the magnetic field of an RFID transponder

An apparatus for screening the magnetic field of a transponder is described, which apparatus comprises, in a first area section, at least one flat antenna structure which comprises conductor tracks for conducting current in a direction of current flow and has an application-specific extent, wherein the apparatus comprises a second area section or carrier to which strips of a highly permeable screening material are applied such that they are oriented with respect to one another in a predetermined manner, wherein the second area section is arranged parallel to the first area section. In order to effectively screen the magnetic field which is beamed in from the outside, for instance by a reader, and in order to effectively screen the magnetic field which is generated by the antenna structure of the transponder itself following excitation, and in order to reduce eddy current losses in a metal area arranged underneath, the highly permeable screening material has either anisotropic permeability, wherein increased permeability is provided in the direction of current flow, in particular in the direction of the conductor tracks of important sections of the antenna structure, or else provides for the strips to be oriented parallel to one another in important sections, wherein the longitudinal edges of the strips are provided in the direction of current flow, in particular in the direction of the conductor tracks of important sections of the antenna structure.
Owner:IDENTIV GMBH
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