Abstract: In an embodiment a catalyst comprises a medium or large pore zeolite having germanium incorporated into the zeolite framework. The zeolite can have a pore structure that is one dimensional, two dimensional or three dimensional. A metal selected from Group 10 can be deposited on the zeolite. In an embodiment, a process for synthesizing the zeolite comprises preparing a medium pore zeolite containing germanium in the framework of the zeolite and calcining the zeolite. In an embodiment, the catalyst can be used in a process for the conversion of hydrocarbons comprising contacting a hydrocarbon stream containing alkanes, olefins, or mixtures thereof having 2 to 12 carbon atoms per molecule with the catalyst and recovering the product.

Abstract: A catalyst composition, including a titanate of the formula Ti(OR)4 wherein each R is the same or different, and is a hydrocarbon residue; a catalyst additive, wherein the catalyst additive is a dibutyl ether a silicate, a silazane, an aromatic ether, a fluorocarbon, or a combination comprising at least one of the foregoing; and an organic aluminium compound.

Abstract: A process for the preparation of a catalyst system for olefin polymerization, including: A) providing said procatalyst obtainable via a process comprising: i) contacting a compound R4zMgX42-z with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product, ii) optionally contacting the solid product obtained in step i) with at least one activating compound selected from an activating electron donor or metal alkoxide compound; iii) contacting the first or second intermediate reaction product, with a halogen-containing Ti-compound and optionally an internal electron donor to obtain the procatalyst; and B) contacting the procatalyst with a co-catalyst and at least diethylaminotriethoxysilane as the external donor.

Abstract: This invention is for a catalyst for conversion of hydrocarbons. The catalyst is a non-acidic germanium zeolite, such as Ge-ZSM-5, on which at least two metals, platinum and at least one other metal selected from Group 7, Group 8, Group 9, Group 10 and tin, are deposited on the germanium zeolite. Examples of the other metal are iridium, rhenium, palladium, ruthenium, rhodium, iron, cobalt and tin. The catalyst is prepared by synthesizing a germanium zeolite; depositing platinum and at least one other metal on the germanium zeolite; and calcining after preparation of the zeolite, before depositing the metals or after depositing the metals. The catalyst may be used in a process for the conversion of hydrocarbons, such as propane to aromatics, by contacting the catalyst with a hydrocarbon stream containing alkanes, olefins and mixtures thereof having 2 to 12 carbon atoms per molecule and recovering the product.

Abstract: A process for making a shaped part from a polymer selected from polyethylene terephthalate (PET) and polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) by using a compacting tool comprising a die having a cavity and a punch having an outer surface. The process comprises the steps of: a) placing particles of the polymer in the cavity of the die heated to a compaction temperature, wherein the polymer has an intrinsic viscosity of at least 0.45 dL/g wherein the particles are a mixture of first particles with a particle size of 0.5-4000 ?m and second particles with a particle size of 1000-4000 ?m b) pressing the particles in the die cavity at a pressure of at least 3 MPa for 5-15 minutes while maintaining the temperature of the die at the compaction temperature and c) removing the shaped part from the die cavity. When the polymer is PET, the compaction temperature is 235-259° C. When the polymer is PEN, the compaction temperature is 250-275 ° C.

Abstract: The invention relates to a high pressure polymerisation process for the preparation of the polyethylene wherein the polymerisation process takes place in the presence of a cobalt containing complex. The cobalt containing complex may be a complex according to Formula (I): Formula (I) wherein y1, y2, y3 and y4 may, independently of one another be the same or different, H, (C1C20) alkyl, (C5-C20) cycloalkyl, (C6-C10) aryl radical, phenyl or hydroxy-phenyl.

Abstract: In an embodiment, a method of processing a polymer comprises: mixing polymer and solid carbon dioxide; introducing the polymer and solid carbon dioxide mixture to a hopper of a vented extruder; plasticizing the mixture to form a polymer melt with dissolved carbon dioxide; venting carbon dioxide as a gas before the die exit; and extruding the polymer melt through a die. In an embodiment, a method of making an article comprises: introducing a polymer powder to an extruder; introducing solid carbon dioxide powder to the extruder at the hopper; plasticizing and extruding the polymer and solid carbon dioxide mixture; venting the solid carbon dioxide before the die exit; extruding the polymer melt through a die to form pellets; and injection molding the polymer pellets without solid carbon dioxide to form molded articles.

Abstract: A method of producing vinyl polymer particles by suspension polymerization comprising: combining an aqueous media and a tricalcium phosphate to a reaction vessel; adding a pH stabilizing agent to the reaction vessel; adding a vinyl monomer to the reaction vessel; adding a peroxide initiator, e.g., which also generates CO2 as a result of primary or secondary decomposition, to the reaction vessel; adding surfactant or a water soluble free radical initiator to generate surfactant in situ to the reaction vessel; maintaining the reactor contents at greater than or equal to 90° C. until a density of a dispersed phase becomes substantially equal to that of a continuous phase; adding a blowing agent to the reaction vessel; raising the temperature of the reaction vessel to greater than or equal to 100° C.; and collecting polymer particles having a particle size distribution.

Abstract: A method of producing olefins and aromatic compounds from a feedstock includes introducing a hydrocarbon feedstock and a catalyst composition that is suitable for converting the feedstock to at least one of olefins and aromatic compounds within a reactor. The reactor has a reactor flow path having a length L between the inlet and outlet. The temperature in the reactor is monitored in at least one location that is at or adjacent to the inlet at a temperature-monitoring distance that is from 0.3 L or less from the inlet. In response to the monitored temperatures one or more parameters are modified. At least a portion of the feedstock is allowed to be converted to at least one of olefins and aromatic compounds within the reactor, which are removed as a product stream.

Abstract: A method for forming a catalyst can comprise: heating a Ge-ZSM-5 zeolite powder at a temperature of 400 to 600° C.; ion-exchanging the heat-treated zeolite powder with an alkali metal and impregnating the heat-treated zeolite powder with noble metal; heating the ion-exchanged, impregnated zeolite powder to a temperature of 250 to 350° C.; mixing the second heat-treated zeolite powder with a solid silica binder and a colloidal silica binder to form a mixture, wherein if the solid silica has a purity of less than or equal to 66 wt % of silica oxide based on the total weight of the solid silica, then the mixture is free of an extrusion aide and the colloidal silica has a particle size of less than 20 nm as measured along a major axis; forming the mixture into a shaped body; and heating the shaped body to 100 to 350° C. to result in the catalyst.

Abstract: In one embodiment, a process for the purification of CO2 from chlorinated and non-chlorinated hydrocarbons, comprising: contacting a CO2 stream with a metal oxide catalyst, wherein the stream comprises the CO2 and impurities comprising the non-chlorinated hydrocarbons and the chlorinated hydrocarbons; interacting the impurities with the catalyst to form additional CO2 and metal chloride; and regenerating the catalyst by contacting the metal chloride with an oxygen containing gas stream.

Abstract: A method of producing olefins and aromatic compounds from a feedstock is accomplished by introducing a hydrocarbon feedstock and a catalyst composition within a reactor. At least a portion of the reactor is at a reactor temperature of from 470° C. to 730° C. The catalyst composition is comprised of a fluidized catalytic cracking (FCC) catalyst and a ZSM-5 zeolite catalyst, wherein the amount of ZSM-5 zeolite catalyst makes up from greater than 0 wt. % of the total weight of the FCC catalyst and the ZSM-5 zeolite catalyst. At least a portion of the feedstock is converted to products of at least one of olefins and aromatic compounds within the reactor, with at least some of the products being contained in a liquid product stream. At least a portion of the liquid product stream is directed to different downstream processes to increase production of at least one of olefins and aromatic compounds.

Abstract: The present invention relates to an assembly of pipe surrounded by a multilayer oxygen barrier film wherein the multilayer oxygen barrier film comprises, in the following order, a) a layer comprising 60-100 wt % of LLDPE (linear low density polyethylene) and 0-40 wt % of LDPE (low density polyethylene), b) a first tie layer, c) a polar oxygen barrier layer, d) a second tie layer and e) a layer comprising 60-100 wt % of LLDPE and 0-40 wt % of LDPE, preferably wherein the pipe is closer to the layer e) than to the layer a).

Abstract: The present invention relates to a process for producing ethylene and propylene from syngas, the process comprising the steps of a) contacting syngas (2) with a first catalyst composition to obtain a first product stream (3) comprising ethylene, propylene and aliphatic hydrocarbons having 4 or more carbon atoms, b) splitting the first product stream (3) into a second product stream (5) comprising at least 90% of said aliphatic hydrocarbons having 4 or more carbon atoms and a third product stream (4) comprising ethylene and propylene, 3) separating ethylene and propylene in the third product stream so as to form a first ethylene stream (17) and a first propylene stream (16) and d) converting the second product stream (5) into a fourth product stream (8) comprising ethylene and/or propylene.

Abstract: The present invention relates to a catalyst for the thermochemical generation of hydrogen from water and/or the thermochemical generation of carbon monoxide from carbon dioxide comprising a solid solution of cerium dioxide and uranium dioxide.

Abstract: A distillation system and process for separating a multi-component feed mixture in a distillation system comprising a first distillation column having a first fired reboiler, and at least a second distillation column having a second heat-exchange reboiler, comprising the steps of a) introducing the feed mixture to the first column, and separating into at least a first top and a first bottom product; b) taking part of the first bottom product for providing heat to the second reboiler as a utility stream; and c) feeding part of said utility stream after heat-exchange as main feed to the second column for further separation. This process allows significant energy savings, by reduction of the amount of external heat required for the fired reboiler and omission of a conventionally used heat-exchanger.

Abstract: The present invention relates to a catalyst composition comprising cobalt manganese oxide which is modified with lanthanum and/or phosphorus and optionally one or more basic elements selected from the group consisting of alkali metal, alkaline earth metal and transition metal. Furthermore, a method for preparing said catalyst composition and a process for producing aliphatic and aromatic hydrocarbons by Fischer-Tropsch synthesis using said catalyst composition is provided.

Abstract: A dehydrogenation catalyst is formed by forming a mixture comprising a bayerite aluminum hydroxide (Al(OH)3), a lanthanum (La) source, a cerium (Ce) source, a barium (Ba) source, a zirconium (Zr) source, and water into a shaped body. The shaped body is calcined at a temperature of at least 750° C. to form a catalyst support. The catalyst support is treated with a dehydrogenation catalyst component to form a treated catalyst support containing the dehydrogenation catalyst component. The treated catalyst support is then calcined. The resulting catalyst composition may be used by contacting a paraffin hydrocarbon feed with a catalyst within a reactor in the presence of steam under dehydrogenation reaction conditions suitable to form dehydrogenated hydrocarbon products.

Abstract: The present invention relates to a method for preparing a catalyst composition comprising cobalt and molybdenum on a carbon support, characterized in that the cobalt- and molybdenum-source are dissolved in an organic solvent that is miscible with water. Moreover, a carbon supported cobalt molybdenum catalyst composition obtainable by said method and a process for producing alcohols from syngas using said carbon supported cobalt molybdenum catalyst composition is provided.

Abstract: Selective supported catalysts compositions for alkane dehydrogenation are described, the catalyst compositions containing platinum, a tin component, a potassium component, one or more additional promoter elements, and a support. Also described are methods for the preparation of such catalyst compositions and methods for the use of such catalyst compositions in the conversion of alkanes to olefins.