Eastman Chemical Company

Grupo Petrotemex S.a. De C.v.

Eastamn Chemical Company

Grupo Petromex, S.a. De C.v.

Bruce Roger DeBruin

Larry Cates Windes

Alan George Wonders

Michael Paul Ekart

Thomas Lloyd Yount

Richard Gill Bonner

Mary Therese Jernigan

Steven Paul Bellner

Tommy Ray Maddox, Ii

Steven Lee Stafford

Daryl Bitting

Xianchun Wu

David Eugene Slivensky

Stephen Weinhold

Robert Noah Estep

James Donald Simpson

John Alan Wabshall, Jr

Kenrick Lyle Venett

David Allen Sliger

Frederick Leslie Colhoun

John Guy Franjione

Damon Ray Billodeaux

Rodney Scott Armentrout

Larry Cate Windes

Wesley Thomas Moyer

Alan W White

David Lange

Dale Milton Blakely

Justin William Murphy

Aaron Grills

Duane Alan Hall

Aaron Nathaniel Edens

Daniel Lee Martin

Robert Todd Harris

Kyle Lyn Collings

James Stewart Nelson

Thomas Llloyd Yount

Rachel Elizabeth McLendon

Anne-Martine Sherbeck Jackson

Jaclyn Erin Shuman

Timothy Glenn Shaefer

Ollie W Smith, Jr

Jeremy R Shuppert

Allan R Rothwell

Roy Douglas Flores

Alan Wayne White

Thomas Lloyd Yout

Ii Tommy Ray Maddox

John G Franjione

Chemical recycling facilities for processing mixed plastic waste are provided herein. Such facilities have the capability of processing mixed plastic waste streams and utilize a variety of recycling facilities, such as, for example, solvolysis facility, a pyrolysis facility, a cracker facility, a partial oxidation gasification facility, an energy generation/energy production facility, and a solidification facility. Streams from one or more of these individual facilities may be used as feed to one or more of the other facilities, thereby maximizing recovery of valuable chemical components and minimizing unusable waste streams.

Chemical recycling of processed mixed plastic waste streams

Methods and systems are provided for the conversion of waste plastics into various useful downstream recycle-content products. More particularly, the present system and method involves integrating a pyrolysis facility with a cracker facility by introducing at least a stream of r-pyrolysis gas into the cracker facility. In the cracker facility, the r-pyrolysis gas may be separated to form one or more recycle content products, and can enhance the operation of the facility.

Chemical recycling of plastic-derived streams to a cracker separation zone

Chemical recycling of plastic-derived streams to a cracker separation zone with enhanced separation efficiency

Methods and systems for separating mixed plastic waste are provided herein. The methods generally comprise separating the mixed plastic waste into a PET-enriched stream and one or more PET-depleted streams. The separating may be accomplished using the combinations of two or more density separation stages. Exemplary density separation stages include sink-float separators and centrifugal force separators. The PET-enriched and PET-depleted streams may be recovered and/or directed to downstream chemical recycling processes.

Waste plastic density separation

Compositions from the chemical recycling of plastic-derived streams and uses thereof

Process for preparing copolyesters by introducing TPA, EG, and CHDM at an EG:TPA molar ratio of 2.3:1 to 2.7:1 into a reaction zone; reacting TPA with EG and CHDM at a temperature of at least 250&#xb0; C. and pressure of up to 40 psi to form a first esterification product; passing the first esterification product to a reaction zone; esterifying the first esterification product at a temperature of at least 250&#xb0; C. and pressure of up to 20 psi to form a second esterification product, passing the second esterification product to a reaction zone; polycondensing the second esterification product in the presence of a catalyst to form a prepolymerization product; passing the prepolymerization product to one or more reaction zones; and polycondensing the prepolymerization product in the presence of the catalyst to form a copolyester comprising 1.0 wt % or less of DEG, without requiring the use of DEG-suppressing additives.

Copolyester from terephthalic acid containing low diethylene glycol

A method for adding an additive into a polymer melt, preferably a polyester polymer melt such as polyethylene terephthalate (PET), comprising:

Method for addition of additives into a polymer melt

A polyester production process employing an esterification system that utilizes a horizontally elongated esterification vessel as an esterification reactor and/or a vapor-liquid disengagement vessel.

Polyester production system employing horizontally elongated esterification vessel

A system for processing large quantities of a reaction medium while maintaining the reaction medium in sheets. The system includes a reactor having a plurality of vertically-spaced downwardly-sloped trays over which the reaction medium flows while it is subjected to reaction conditions. The slope of the trays increases downwardly to accommodate for the increased viscosity of the reaction medium while the reaction medium flows downwardly through the reactor. An upper portion of the trays have a uni-directional configuration, while a lower portion of the trays have a bi-directional configuration. Further, the orientation of flow across the uni-directional trays is rotated by 90 degrees in at least one location as the reaction medium flows down the uni-directional trays.

Reactor with optimized internal tray design

A process for producing non-solid-stated polyester polymer particles having one or more properties similar to polyester polymer particles that have undergone solid-state processing.

Production of non-solid-stated polyester particles having solid-stated properties

A reactor system operable to facilitate a chemical reaction in a reaction medium flowing therethrough. The reactor system includes a heat exchanger for heating the reaction medium and a disengagement vessel for disengaging vapor from the heated reaction medium.

Reactor system with optimized heating and phase separation

Processes for making polyesters in a polyester production facility are disclosed, that include the steps of: forming a reaction medium comprising at least one monomer that includes terephthalic acid (TPA) and/or an ester derivative of TPA; subjecting at least a portion of the reaction medium to one or more chemical reactions in the polyester production facility to thereby produce the polyester; heating at least a portion of the reaction medium via indirect heat exchange with high-pressure steam, wherein the heating causes at least a portion of the high-pressure steam to condense and thereby provide pressurized condensed water; flashing at least a portion of the pressurized condensed water to thereby produce lower-pressure steam; and heating one or more process fluid streams of the polyester production facility via indirect heat exchange with at least a portion of the lower-pressure steam, wherein the process fluid streams include any stream that is formed predominately of the reaction medium and/or the at least one monomer.

Integrated steam heating in polyester production process

Integrated processes for making polyesters are disclosed, that include the steps of: (a) producing an aromatic polycarboxylic acid in a monomer production facility; (b) producing a polyester in a polyester production facility, wherein the producing of the polyester comprises the substeps of: (i) forming a polyester reaction medium comprising at least a portion of the aromatic polycarboxylic acid from the monomer production facility, (ii) subjecting at least a portion of the polyester reaction medium to one or more chemical reactions to thereby produce the polyester, (iii) heating the polyester reaction medium at one or more locations in the polyester production facility via indirect heat exchange with high-pressure steam, wherein the heating causes at least a portion of the high-pressure steam to condense and thereby provide pressurized condensed water, and (iv) flashing at least a portion of the pressurized condensed water to thereby produce lower-pressure steam; and (c) using at least a portion of the lower-pressure steam to provide thermal energy to the monomer production facility.

A polyester production system employing a vertically elongated esterification reactor. The esterification reactor of the present invention is an improvement over conventional CSTR esterification reactors because, for example, in one embodiment, the reactor requires little or no mechanical agitation. Further, in one embodiment, the positioning of the inlets and outlets of the reactor provides improved operational performance and flexibility over CSTRs of the prior art.

Polyester production system employing an unagitated esterification reactor

The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions.

Polyester process using a pipe reactor

Growing community of inventors

Lexington, SC, United States of America

Bruce Roger DeBruin