Sabic Global Technologies B.v.

Saudi Basic Industries Corporation

Alexander Stanislaus

Ravichander Narayanaswamy

Venkata Ramanarayanan Ganapathy Bhotla

Krishna Kumar Ramamurthy

Philip Wesley Bell

Girish Koripelly

Santosh Ganji

Tukaram Gunale

Darshan Jayanna

Hatem Belfadhel

Krishnan Sankaranarayanan

Abrar A Hakeem

Mohammad Javeed

Ashim Kumar Ghosh

Nicolas Goyheneix

P S Sreenivasan

Raul Velasco Pelaez

Vic Ignacio Fernandez

Rathinam Jothi Mahalingam

Venkata Ramanarayana Ganapathy Bhotla

Navin Asthana

Robert Schucker

Phillip Wesley Bell

Vic Ignacio Fernández

Systems and methods for processing plastic derived pyrolysis oil are disclosed. A plastic derived pyrolysis oil and/or plastic are processed in a catalytic cracking unit and/or a thermal cracking unit under reaction conditions sufficient to produce a gaseous stream comprising propylene and a liquid stream. The liquid stream is further processed to produce additional propylene.

Method of processing waste plastic and pyrolysis oil from waste plastic

Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes thermal hydro-processing of crude oils and/or heavy oils and/or residues, in a thermal hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.

Conversion of heavy ends of crude oil or whole crude oil to high value chemicals using a combination of thermal hydroprocessing, hydrotreating with steam crackers under high severity conditions to maximize ethylene, propylene, butenes and benzene

Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes aqua-processing hydro-processing of crude oils and/or heavy oils and/or residue, in an aqua-processing hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.

Methods and systems for upgrading crude oils, heavy oils, and residues

A process for producing benzene and xylenes comprising introducing hydrocarbon liquid stream to hydroprocessor to yield first gas stream and hydrocarbon product (C+); optionally introducing hydrocarbon product to first aromatics separating unit to produce saturated hydrocarbons (C+) and first aromatics stream (C+); feeding hydrocarbon product and/or saturated hydrocarbons to reformer to produce reformer product, second gas stream, and hydrogen stream; introducing reformer product to second aromatics separating unit to produce a non-aromatics recycle stream and second aromatics stream comprising C+ aromatics; recycling non-aromatics recycle stream to reformer; introducing first aromatics stream and/or second aromatics stream to third aromatics separating unit to produce first Caromatics (benzene), Caromatics (toluene), Caromatics (xylenes&ethylbenzene), Caromatics, Caromatics, and C+ aromatics; introducing Caromatics, Caromatics, Caromatics, or combinations thereof to disproportionation and transalkylation unit to yield third aromatics stream (benzene and xylenes); and conveying C+ aromatics to hydroprocessor.

Conversion of waste plastic through pyrolysis to high value products like benzene and xylenes

A process for producing cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; feeding hydrocarbon product to reforming unit to produce reforming product, second gas stream, and hydrogen; separating reforming product into non-aromatics recycle stream and second aromatics stream (C+ aromatics); recycling non-aromatics recycle stream to reforming unit; separating second aromatics stream into benzene, C, C, C, C, and C+ aromatics; contacting C, C, and/or Caromatics with a disproportionation&transalkylation catalyst/H2 to yield benzene&xylenes; conveying C+ aromatics to hydroprocessor; introducing pyrolysis gas, first and/or second gas stream to first separator to produce first propylene stream, first C&Cunsaturated stream, and saturated gas (Hand Csaturated hydrocarbons); introducing first C&Cunsaturated stream to metathesis reactor to produce second propylene stream; and feeding benzene, and first and/or second propylene stream to alkylation unit to produce cumene.

Conversion of waste plastic to propylene and cumene

A process for producing propylene and cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas in pyrolyzer; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; introducing hydrocarbon product to second separator to produce first Caromatics and refined product; feeding refined product to steam cracker to produce steam cracker product; introducing steam cracker product to third separator to produce second Caromatics, third propylene stream, second C&Cunsaturated stream, Csaturated gas, and balance hydrocarbons product; introducing pyrolysis gas and/or first gas stream to first separator to produce first propylene stream, first C&Cunsaturated stream, and saturated gas stream; feeding first and/or second C&Cunsaturated stream to metathesis reactor to produce second propylene stream; feeding first and/or second Caromatics, and first, second, and/or third propylene stream to alkylation unit to produce cumene; and conveying balance hydrocarbons product to pyrolyzer and/or hydroprocessor.

A process for dechlorination of a hydrocarbon stream and/or a hydrocarbon stream precursor comprising introducing the hydrocarbon stream and/or hydrocarbon stream precursor, a first zeolitic catalyst, and a stripping gas to a devolatilization extruder (DE) to produce an extruder effluent, wherein the hydrocarbon stream and/or hydrocarbon stream precursor comprises one or more chloride compounds in an amount of equal to or greater than about 10 ppm chloride, based on the total weight of the hydrocarbon stream and/or hydrocarbon stream precursor, and wherein the extruder effluent comprises one or more chloride compounds in an amount of less than the chloride amount in the hydrocarbon stream and/or hydrocarbon stream precursor.

Dechlorination of mixed plastics pyrolysis oils using devolatilization extrusion and chloride scavengers

A process for processing mixed plastics comprising simultaneous pyrolysis and dechlorination of the mixed plastics, the process comprising contacting the mixed plastics with a zeolitic catalyst in a pyrolysis unit to produce a hydrocarbon product comprising a gas phase and a liquid phase; and separating the hydrocarbon product into a hydrocarbon gas stream and a hydrocarbon liquid stream, wherein the hydrocarbon gas stream comprises at least a portion of the gas phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises at least a portion of the liquid phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises one or more chloride compounds in an amount of less than about 100 ppmw chloride, based on the total weight of the hydrocarbon liquid stream, and wherein the hydrocarbon liquid stream is characterized by a viscosity of less than about 400 cP at a temperature of 300&#xb0; C.

Catalytic process of simultaneous pyrolysis of mixed plastics and dechlorination of the pyrolysis oil

The disclosure provides a method for recovering a dihydroxy aromatic compound and a dialkyl carbonate from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant. The method comprises heating the composition in the presence of an alcohol and a transesterification catalyst having non-neutralizable groups at a temperature of 70&#xb0; C. to 200&#xb0; C. and a pressure of 50 mbar to 40 bar for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and a dialkyl carbonate.

Manufacture of dihydroxy aromatic compounds by alcoholysis of flame retardant-containing polycarbonate compositions

A method for recovering a dihydroxy aromatic compound and urea from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant, comprising contacting the composition with ammonia in the presence of a swelling solvent for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and urea.

Method for direct ammonolysis of polycarbonate-containing materials and products

The disclosure provides a method for alcoholysis of a polycarbonate-containing composition comprising a polycarbonate and a component comprising a phosphorus-containing flame retardant, an acrylonitrile-butadiene-styrene, or a combination of the phosphorus-containing flame retardant and acrylonitrile-butadiene-styrene. The method comprises contacting the composition with a solvent that forms a solution or a filterable suspension of the component but not the polycarbonate; separating the solution or the filterable suspension from the polycarbonate; and heating the polycarbonate in the presence of an alcohol and a catalyst at a temperature from 70&#xb0; C. to 200&#xb0; C., and a pressure from 5 mbar to 40 bar for a time sufficient to depolymerize the polycarbonate and produce a dihydroxy aromatic compound and a dialkyl carbonate.

Method for alcoholysis of polycarbonate compositions containing flame retardant or acrylonitrile-butadiene-styrene

A method to produce a purified dihydroxy aromatic compound from a polycarbonate-containing composition is provided. The method includes depolymerizing the polycarbonate by alcoholysis using a titanium-based catalyst producing a dihydroxy aromatic compound and a dialkyl carbonate, recovering the dihydroxy aromatic compound as a crude dihydroxy aromatic compound; and contacting the recovered crude dihydroxyl aromatic compound with an acid in the presence of a solvent at an elevated temperature. Alternatively, the method comprises dissolving the recovered crude dihydroxyl aromatic compound in a solvent; contacting the dissolved crude dihydroxy aromatic compound with a base; and neutralizing the combination of the dissolved crude dihydroxy aromatic compound and the base with an acid.

Manufacture of dihydroxy aromatic compounds by alcoholysis of polycarbonate-containing compositions

The disclosure provides a method for recovering a dihydroxy aromatic compound and a dialkyl carbonate from a polycarbonate-containing composition comprising a polycarbonate and acrylonitrile-butadiene-styrene. The method comprises heating the composition in the presence of an alcohol and a transesterification catalyst at a temperature of 70&#xb0; C. to 200&#xb0; C. and a pressure of 50 mbar to 40 bar in a reactor for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and a dialkyl carbonate; removing the dihydroxy aromatic compound and the dialkyl carbonate from the reactor, the acrylonitrile-butadiene-styrene remaining as a coating on the surfaces of the reactor; adding a solvent to the reactor; and heating the solvent to remove the acrylonitrile-butadiene-styrene from the surfaces of the reactor.

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Bengaluru, India

Alexander Stanislaus