Lyondell Chemical Technology, L.p.

Lyondellbasell Acetyls, LLC

Barbara Kimmich

Sandor M Nagy

Ha H Nguyen

Nicholas Bruschi

Debra L Jackson

Justin E Turner

Daniel F White

Anthony S Dearth

Larry W Arndt

Dan D Lindsey

James N Waguespack

David S Mannel

Noel C Hallinan

David W Leyshon

Ilya Nifant'ev

Pavel V Ivchenko

Jamie Allen Hestekin

Xueyong Yang

Elizabeth I Ross-Medgaarden

Pranit S Metkar

Ilya E Nifant'ev

Mure Te

Jenny M Oran Osment

George R Horvat

Dmytro Demydov

James D Montano-Lawrence

Epoxidation methods and catalyst are described herein. The epoxidation catalysts generally include a metal component including silver and a support material including kaolinite, wherein the epoxidation catalyst includes less than 55 wt. % metal component.

Epoxidation processes and catalysts for use therein

Methods of preparing titanated silica catalysts, and titanated silica catalysts. The titanated silica catalysts may include a silica support, which may include spherical beads. Methods of olefin epoxidation, which may include contacting an olefin with a titanated silica catalyst in the presence of an oxidant.

Titanated catalysts, methods of preparing titanated catalysts, and methods of epoxidation

Electrodeionization apparatuses, systems including a reactor system and an electrodeionization system, and methods of purifying acetic acid are provided herein. In some embodiments, the electrodeionization apparatus includes an anode, and three spaced apart membranes located between the anode and the cathode: a first cation exchange membrane, a first anion exchange membrane, a second cation exchange membrane, defining: a first electrode rinse passage between the anode and the first cation exchange membrane, a first concentrate passage between the first cation exchange membrane and the first anion exchange membrane, a feed stream passage located between the first anion exchange membrane and the second cation exchange membrane, and a second electrode rinse passage between the second cation exchange membrane and the cathode. In some embodiments, the electrodeionization apparatus also includes at least one propionate-selective ion exchange resin wafer within the feed stream passage.

Method and apparatus for wafer enhanced electrodeionization of acid streams

A method of producing dimethoxymethane oligomers (DMMn), the method comprising: reacting a formaldehyde source and dimethoxymethane monomer (DMM1) in the presence of an acidic catalyst to produce a reaction effluent comprising DMMn and unreacted DMM1; and separating, from the reaction effluent, DMM1-2 including unreacted DMM1 and DMMn having a chain length n equal to 2 (DMM2), dimethoxymethane oligomers having a chain length n in the range of from 2-5 (DMM2-5), dimethoxymethane oligomers having a chain length n of &#x2265;5 (DMM5+), or a combination thereof, wherein the separating comprises distillation in the presence of at least one alcohol, a distillate fuel, or both.

Process for producing dimethoxymethane oligomers

A composition comprising a distillate fuel, an oligomer portion comprising at least one dimethoxymethane oligomer, and a stabilizer comprising one or more alcohols. A composition comprising a distillate fuel, and an oligomer portion comprising at least one dimethoxymethane oligomer, DMMn, wherein n is less than 3 and/or greater than 4. A composition comprising a distillate fuel, and less than 10 volume percent of an oligomer portion, wherein the oligomer portion comprises at least one dimethoxymethane oligomer. A method comprising separating, from a mixture of DMMn oligomers, one or more DMMn fractions comprising oligomers of a desired chain length n, and combining a desired amount of one or more of the separated DMMn fractions with a distillate fuel to provide a fuel composition. A composition comprising a distillate fuel that includes renewable distillate fuel, DMMn and/or alcohol.

Product compositions for dimethoxymethane oligomers mixed with distillate fuels

A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium content. The organic stream can be a heavy residue formed in the co-production of propylene oxide and styrene. Contacting can include combining the carbon dioxide with the water to form a CO-saturated water stream and contacting the CO-saturated water stream with the organic stream, and/or combining the organic stream and the water to form a mixture and injecting the carbon dioxide as a gas thereinto. The method can further include repeating the contacting and the separating one or more times on the organic phase, subjecting the organic phase to ion exchange, or both, to obtain an organic phase having a further reduced sodium content. A system for carrying out the method is also provided.

Waste stream upgrading in a propylene oxide/styrene coproduction process

The present disclosure relates to a method including subjecting an organic stream comprising at least one oxygenate to hydrotreatment, whereby a hydrotreatment product comprising ethylbenzene is produced, wherein the organic stream is a product of a process for the production of propylene oxide; and separating an ethylbenzene product stream from the hydrotreatment product, to yield a residual stream.

By-product stream upgrading in a propylene oxide/styrene coproduction process

The present disclosure relates to a method for effecting catalytic selective oxidation in liquid phase comprising a perfluorinated solvent and an olefinic compound with molecular oxygen to produce an epoxide. The method may provide enhanced selectivity to the epoxide of greater than 60%. The olefinic compound may be ethylene, propylene, butenes, 1-octene, butadiene, allyl chloride, allyl alcohol, styrene, and the like. The perfluorinated solvent may be perfluoro methyldecalin, perfluorodecalin, perfluoroperhydrophenanthrene, perfluoro (butyltetrahydrofuran), isomers thereof, or a combination thereof. In some embodiments, the method includes catalytically epoxidizing, in a liquid phase comprising a perfluorinated solvent, propylene with molecular oxygen to produce propylene oxide. A system for carrying out the method is also provided, the system comprising a source of a perfluorinated solvent, and a liquid phase reactor fluidly connected with the source, and configured for effecting catalytic selective oxidation, in a liquid phase comprising the perfluorinated solvent, of an olefinic compound with molecular oxygen to produce an epoxide.

Liquid phase selective oxidation to epoxides with molecular oxygen

The present disclosure generally relates to a silver-based epoxidation catalyst. In certain embodiments, a method is provided for modulating the reactivity of the silver-based epoxidation catalyst, comprising the catalyst being post-treated with at least two different salt solutions. In some embodiments, the treatment results in the deposition of one or more metals onto the surface of the catalyst. In further embodiments, method is also provided of using the silver catalyst to generate an epoxide from an olefin.

Post treated silver catalysts for epoxidation

A catalyst composition which comprises titanium, wherein part of the titanium is present as a titanium dioxide phase and at least some of the titanium dioxide phase is in the brookite polymorphic form is provided. In some embodiments, the catalyst also comprises a silica support which exhibits a high surface area and pore volume. Methods of preparing the catalyst and its use in an epoxidation reaction are also provided.

Catalysts containing specific titanium polymorphic forms

Method of preparing epoxidation catalysts are disclosed, including methods comprising reacting an inorganic siliceous solid with a metal complex of the formulas: wherein the variables are defined herein.

Growing community of inventors

Houston, TX, United States of America

Barbara Kimmich