Abstract: A method for purifying 1-hexene is disclosed. The method can include contacting a first stream containing 1-hexene and 2-ethyl-1-butene with an isomerization catalyst containing an comprising an alumina, silica-alumina, a zeolite, or an ion exchange resin, or any combinations thereof, under conditions sufficient to selectively isomerize at least a portion of 2-ethyl-1-butene into 3-methyl-2-pentene and form a second stream containing 1-hexene and 3-methyl-2-pentene, and separating the second stream into a third stream containing 1-hexene and a fourth stream containing 3-methyl-2-pentene.

Abstract: A method for processing a condensate feedstock may include passing the condensate feedstock to a first separation unit, and separating the condensate feedstock into at least a light fraction stream and a heavy fraction stream. Another method for processing a condensate feedstock may include passing the condensate feedstock to a first separation unit, and separating the condensate feedstock into at least a light fraction stream, an intermediate fraction stream, and a heavy fraction stream. Various downstream processing steps are further disclosed in the present disclosure.

Abstract: Processes for producing ethylene from ethane are described. A process can include oxidatively dehydrogenating ethane to produce a product stream that includes ethylene, ethane, and gases having a lower boiling temperature than ethylene. The product stream can be cooled under mild conditions and then separated to produce a stream that includes ethylene and ethane and a stream that includes the gases having a lower boiling temperature than ethylene.

Abstract: Systems and processes to produce hydrocarbon products are described. A system can include a heavy hydrocarbon processing unit, a steam cracking, and a gaseous hydrocarbon separation unit coupled to the crude oil processing unit and the steam cracking unit. The gaseous hydrocarbon separation unit can separate naphtha, C4 hydrocarbons, and C2-C3 hydrocarbons from a gaseous hydrocarbon composition having a boiling temperature of less the 200° C. produced by the heavy hydrocarbon processing unit. The naphtha and C4 hydrocarbons can be stored. The C2-C3 hydrocarbons can be processed in the steam cracking unit to produce petroleum hydrocarbon products. The steam cracking unit can be indirectly coupled to an alkylation unit, a methyl t-butyl ether production unit, and/or a butene hydrogenation unit.

Abstract: Systems and methods for the production of petroleum products from crude oil are disclosed. A system can include a crude oil processing unit, a steam cracking, and a gaseous hydrocarbon separation unit coupled to the crude oil processing unit and steam cracking unit. Naphtha and/or light hydrocarbons can be separated in the gaseous hydrocarbon separation unit and further processed in the steam cracking unit or stored for future processing.

Abstract: A process for the conversion of plastics to chemicals includes, in part: providing a plastics stream (A) including polyvinyl chloride (PVC); supplying the plastics stream (A) and a solvent (S) to a reactor vessel (1); subjecting the plastics in the reactor vessel to a temperature of ?250° C. to <350 under applying a vacuum or using an inert gas sweep, and evacuating the generated hydrogen chloride (B) from the vessel, wherein the PVC is partially dechlorinated to form a plastics stream (C) including partially unsaturated PVC; removing the plastics stream (C) including partially unsaturated PVC from the reaction vessel; separating in a separation system (2) at least a part of the partially unsaturated PVC from the plastics stream to form a dechlorinated plastics stream (D) including the solvent; and combining the stream (D) with an atmospheric residue stream (N) to obtain a stream (O).

Abstract: Systems and methods for processing a mixed plastic waste feed to produce a hydrogen-rich hydrocarbon product, such as synthetic crude oil or pyrolysis oil, by processing the mixed plastic waste feed through two cracking units. The first cracking unit is operated at a temperature and a residence time sufficient to at least partially depolymerize the plastic polymers in the mixed plastic waste feed to produce a molten oligomers product stream also containing inorganic components from the mixed plastic waste feed and a gas stream. This molten oligomers product stream is further processed in a thermal or a catalytic cracking unit to produce a hydrocarbonaceous stream that is processed to produce the hydrogen-rich hydrocarbon product, such as a synthetic crude oil that can be processed in a refinery or a pyrolysis oil that can be fed to a steam cracker.

Abstract: A method for purifying phenol can include contacting a first stream containing phenol with a second stream containing wastewater from a bisphenol-A (BPA) production process to form a third stream, distilling the third stream to form a fourth stream containing phenol and water, contacting the fourth stream with a fifth stream containing mother liquor from a BPA crystallization unit of the BPA production process to form a sixth stream, and distilling the sixth stream to form a products stream containing phenol.

Abstract: A system and method for production of olefin products from a hydrocarbon feedstock is disclosed. The system can include a mixed feed steam cracking unit coupled to an ethane steam cracking unit where the mixed feed steam cracking unit produces olefins and ethane. The ethane can be further processed in the ethane steam cracking unit to produce ethylene and C2+ hydrocarbons. The C2+ hydrocarbons can be recycled to the mixed feed steam cracking unit.

Abstract: A piezoelectric composite comprising (a) an olefin copolymer and (b) a plurality of piezoelectric filler particles is disclosed. Each of the plurality of piezoelectric filler particles can be dispersed in the olefin copolymer. Also disclosed are films containing such piezoelectric composites and methods of preparing such films.

Abstract: The disclosure concerns filled a polymer composite comprising a piezoelectric filler and a polymer resin. The composite may exhibit a piezoelectric coefficient d33 of greater than 30 pC/N when measured according to the Berlincourt Method using a d33 piezometer and a density of less than 5 g/cc according to the Archimedes method.

Abstract: A system and a method for producing ethylene glycol are disclosed. Alkylene oxide and water are flowed into a first reactor unit and subjecting the alkylene oxide and water, in the first reactor unit, to first reaction conditions such that an effluent of the first reactor unit comprises an alkylene glycol, unreacted alkylene oxide, and unreacted water. At least a portion of the unreacted alkylene oxide may be routed to a second reaction unit and subjected to reaction conditions sufficient to produce additional alkylene glycol, wherein the second reactor unit is a reactive distillation column.

Abstract: The disclosure provides a catalyst reaction mixture including a ligand having a backbone with at least one phosphorus atom and at least one nitrogen atom, a chromium compound, and a solvent mixture including decalin and at least one additional solvent, wherein the solvent mixture comprises decalin in an amount of less than 20 wt. % and, optionally, perhydroindane in an amount of 50 wt. % or less, based on the total weight of the solvent mixture. A method of forming a linear alpha olefin through ethylene oligomerization is also provided, the method including contacting ethylene gas with a reaction mixture in a reactor, the reaction mixture including the catalyst reaction mixture of the disclosure; and withdrawing a product stream including at least one linear alpha olefin, such as 1-butene, 1-hexene, or 1-octene, from the reactor.

Abstract: The invention relates to a process for preparing a boronic anhydride compound of formula (1), wherein, R1-R4 are substituents as defined in the disclosure and ‘B’ stands for the element boron. The invention also describes a process of using the boronic anhydride of formula (1), to prepare a biphenyl metallocene complex of formula (4), wherein, R1 to R10, are substituents as defined in the disclosure; and wherein ‘M’ is a transition metal element, ‘Q’ is an halide anion, and ‘P’ is the valency of the transition metal element ‘M’ and indicates the number of halide anion present. In addition, the invention further describes a process of purifying the metallocene complex of formula (4) so as to render the overall metallocene complex synthesis process environmentally sustainable as well as cost effective by minimizing waste effluents.

Abstract: A polymer composition includes a) ?10 wt % and ?60 wt % of a high melt strength polypropylene, b) ?10 wt % and ?35 wt % of a polyethylene, c) ?10 wt % and ?60 wt % of a first polypropylene, wherein the first polypropylene is chosen from the group of propylene homopolymers, propylene copolymers and/or mixtures thereof, and d) ?0 wt % and ?60 wt % of a second polypropylene, wherein the sum of the high melt strength polypropylene, the first polypropylene and the second polypropylene is ?60 wt % based on the sum of the weight of the high melt strength polypropylene, the polyethylene, the first polypropylene and the second polypropylene. The polyethylene has a density ?940 kg/m3 and ?970 kg/m3 as determined according to ISO 845 (2006).

Abstract: The present invention relates to an injection moulding process for the preparation of a foamed article with improved surface quality. The present invention further relates to a foamed article obtained or obtainable by the injection moulding process.

Abstract: This disclosure includes oxyfuel furnaces for chemical-production processes, as well as systems for steam cracking and other chemical-production processes. Such furnaces utilize oxyfuel burners in the radiant section, and—rather than recirculating all flue gas from outlet of the convection section back to the radiant section—recirculates from the convection section a portion of flue gas that enters the convection section.

Abstract: This disclosure includes electric impedance furnaces for chemical production processes and methods of heating a feedstock with the present electric furnaces. The present electric furnaces include a primary heating section; a radiative heat exchanger section comprising an exchanger housing with first and second exchanger sidewalls; and a plurality of electrically conductive reactor tubes extending through the heater housing and the exchanger housing, each reactor tube defining a flowpath and having a flanged connector at respective ends of the tube; and an electric circuit configured to electrically connect in series a longitudinal portion of each of the reactor tubes such that application of a voltage difference between a first end of the longitudinal portion of a first one of the reactor tubes and a second end of the longitudinal portion of a last one of the reactor tubes will cause electrical current to flow sequentially through the longitudinal portions of all of the plurality of reactor tubes.

Abstract: Systems and processes of purifying waste plastic pyrolysis oil (pyoil) using water based extractions.

Abstract: This disclosure includes isolation joint connection assemblies for making an electrically insulated/isolated connection between two electrically conductive structures. Some such connection assemblies comprise: an electrically conductive first flange, an electrically conductive second flange, an insulating disc comprising an electrically non-conductive material that will remain solid and electrically nonconductive at temperatures up to at least 300° C. and voltages up to at least 200 Volts; a plurality of fastener insulators comprising an electrically non-conductive material, each fastener insulator defining one or more fastener holes; one or more insulating sleeves each comprising an electrically non-conductive material and defining an inner fastener channel; and one or more electrically conductive fastener assemblies with enlarged securing portions.