摘要:
The present invention relates to a bimetallic mercaptan conversion catalyst for sweetening liquefied petroleum gas at a low temperature, which is prepared by using an Al 2 O 3 -SiO 2 composite oxide as a carrier to support bimetallic active components vanadium and nickel. The bimetallic mercaptan conversion catalyst has a proper specific surface area and more metal active center sites, and has advantages of simple preparation, efficient mercaptan conversion even at a low temperature, and no saturation and polymerization of olefins. The bimetallic mercaptan conversion catalyst exhibits superior mercaptan conversion performance in LPG sweetening, has strong adaptability to starting materials, and can also nearly completely remove trace of carbonyl sulfide contained in LPG.
摘要:
A method of and system for recirculating a fluid in a particle production system. A reactor produces a reactive particle-gas mixture. A quench chamber mixes a conditioning fluid with the reactive particle-gas mixture, producing a cooled particle-gas mixture that comprises a plurality of precursor material particles and an output fluid. A filter element filters the output fluid, producing a filtered output. A temperature control module controls the temperature of the filtered output, producing a temperature-controlled, filtered output. A content ratio control module modulates the content of the temperature-controlled, filtered output, thereby producing a content-controlled, temperature-controlled, filtered output. A channeling element supplies the content-controlled, temperature-controlled, filtered output to the quench chamber, wherein the content-controlled, filtered output is provided to the quench chamber as the conditioning fluid to be used in cooling the reactive particle-gas mixture.
摘要:
A catalytic reactor 10 comprises a plurality of fluid-impermeable elements (tubes or plates) 12 defining flow channels 15 between them. Tight fitting within each flow channel 15 is a sheet 16 of corrugated material whose surfaces are coated with catalytic material. At each end of the reactor 10 are headers 18 to supply gas mixtures to the flow channels 15, the headers communicating with adjacent channels being separate. The reactor 10 enables different gas mixtures to be supplied to adjacent channels 15, which may be at different pressures, and the corresponding chemical reactions are also different. Where one of the reactions is endothermic while the other reaction is exothermic, heat is transferred through the wall of the tube 12 separating the adjacent channels 15, from the exothermic reaction to the endothermic reaction. The reactor 10 may be used in a compact plant to perform steam/methane reforming, obtaining the necessary heat by catalytic methane combustion, and also for Fischer-Tropsh synthesis.
摘要:
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung eines mindestens ein Alkalimetall und mindestens ein Übergangsmetall in oxidierter Form enthaltenden geträgerten Katalysators, umfassend die Schritte a) Bereitstellen einer Lösung mit mindestens einer ein Alkalimetall enthaltenden Verbindung und mindestens einer ein Übergangsmetall in oxidierter Form enthaltenden Verbindung, wobei das Alkalimetall und das Übergangsmetall Bestandteil derselben Verbindung sein können, b) Aufbringen der Lösung aus Schritt a) auf ein pulverförmiges Trägermaterial mit einem Partikeldurchmesser von weniger als 1000 µm, und c) Formen des aus Schritt b) erhaltenen beladenen Trägermaterials, ein nach dem erfindungsgemäßen Verfahren erhaltener oder erhältlicher Katalysator, und die Verwendung eines erfindungsgemäßen Katalysators und/oder eines nach dem erfindungsgemäßen Verfahren erhaltenen oder erhältlichen Katalysators in der Herstellung eines Alkylmercaptans.
摘要:
Disclosed herein is a zeolite complex including one or more cavities and one or more channels having a pipe shape. The zeolite complex is a complex of zeolite crystals, wherein each the zeolite crystal has a cage structure including a crystal-structure hole (H) in a center thereof. The zeolite complex includes a ceramic, a metal ion or a metal oxide in cavities, thus increasing specific heat, improving dehumidifying effects or serving as a catalyst for deodorization.
摘要:
A method of and system for recirculating a fluid in a particle production system. A reactor produces a reactive particle-gas mixture. A quench chamber mixes a conditioning fluid with the reactive particle-gas mixture, producing a cooled particle-gas mixture that comprises a plurality of precursor material particles and an output fluid. A filter element filters the output fluid, producing a filtered output. A temperature control module controls the temperature of the filtered output, producing a temperature-controlled, filtered output. A content ratio control module modulates the content of the temperature-controlled, filtered output, thereby producing a content-controlled, temperature-controlled, filtered output. A channeling element supplies the content-controlled, temperature-controlled, filtered output to the quench chamber, wherein the content-controlled, filtered output is provided to the quench chamber as the conditioning fluid to be used in cooling the reactive particle-gas mixture.