Eastman Chemical Company

Grupo Petrotemex S.a. De C.v.

Westlake Longview Corporation

Gropo Petrotemex, S.a. De C.v.

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

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

Alan George Wonders

Wayne Scott Strasser

Marcel De Vreede

Lee R Partin

Ronald Buford Sheppard

Randal Ray Ford

Thomas Earl Woodruff

Bruce Roger DeBruin

Robert Lin

Kenneth Alan Dooley

Raymond Elbert Fogle, Iii

Jeffrey James Vanderbilt

Puneet Gupta

Charles Edwan Sumner, Jr

Timothy Alan Upshaw

Steven Paul Bellner

Howard Wood Jenkins, Jr

Martin De Boer

Tommy Ray Maddox, Ii

Mary Therese Jernigan

Steven Lee Stafford

Gino Georges Lavoie

Stephen Weinhold

William A Ames

Robert Noah Estep

James Donald Simpson

Roxanna Lea Whitfield

John Alan Wabshall, Jr

Thomas Young Lightfoot

Charles Helton Hitchcock

Marcel deVreede

John Guy Franjione

Ashfaq Shahanawaz Shaikh

Brent Alan Tennant

Thomas Michael Pell, Jr

David Lee Denton

Carl Norman McCurry

J Thomas Tidwell

Kenny Randolph Parker

Alan W White

Michael Paul Ekart

Philip Edward Gibson

David Lange

Larry Cates Windes

Richard Gill Bonner

Ruairi Seosamh O'Meadhra

Glenn Edward Moore

Anthony Dominick Messina

Duane Alan Hall

Aaron Grills

Bailey James Salmon

Eric Jackson Fugate

Mark Alan Edmund

Bryan Wayne Davenport

Ernest William Arnold, Iii

Ollie W Smith, Jr

Jeremy R Shuppert

John David Aycock

Leigh A Alexander

Jesus Jose Garcia

Jeffrey Daniel Daily

Lee Reynolds Partin

Raymond Elbert Iii Fogle

James Thomas Tidwell

Ii Tommy Ray Maddox

John G Franjione

William Albert Ames

Howard Wood Jenkins

Richard Gill c/o Eastman Chemical Co Bonner

B James Salmon

Alan Wayne White

Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out in a bubble column reactor that provides for a highly efficient reaction at relatively low temperatures. When the oxidized compound is para-xylene and the product from the oxidation reaction is crude terephthalic acid (CTA), such CTA product can be purified and separated by more economical techniques than could be employed if the CTA were formed by a conventional high-temperature oxidation process.

Optimized liquid-phase oxidation

The invention provides improved energy content in and shaft power recovery from off-gas from xylene oxidation reactions while at the same time minimizing wastewater treatment cost. More shaft power is produced using off-gas than is required to drive the main air compressor, even with preferred, relatively low oxidation temperatures. Simultaneously, an amount of wastewater greater than byproduct water from oxidation of xylene is kept in vapor form and treated along with off-gas pollutants in a self-sustaining (self-fueling) gas-phase thermal oxidative destruction unit. Optionally, off-gas is combined from multiple xylene oxidation reactors, comprising primary and/or secondary oxidation reactors and forming TPA and/or IPA. Optionally, air compressor condensate and caustic scrubber blowdown are used in a TPA process or as utility water, effectively eliminating normal flow of liquid wastewater effluent from a TPA plant. Optionally, PET off-gas containing the water of PET formation is treated in a shared thermal oxidative destruction unit, effectively eliminating normal flow of liquid wastewater effluent from a combined pX-to-TPA-to-PET plant.

Dicarboxylic acid production with self-fuel oxidative destruction

Dicarboxylic acid production with direct fired off-gas heating

Dicarboxylic acid production with enhanced energy recovery

Dicarboxylic acid production with minimal wastewater generation

Disclosed are process and apparatus for vertical splitting of the oxygen supply to a post-oxidation reactor. Further disclosed are process and apparatus for supplying reaction medium to a post-oxidation reactor at a mid-level inlet. Such apparatus and process can assist in reducing oxygen pinch throughout the post-oxidation reactor.

Oxidation system with sidedraw secondary reactor

The invention relates to a process and apparatus for preparing an ethylene polymer by free radical polymerization under ultra-high pressure. The polymerization is carried out in an autoclave reactor in the presence of a free radical initiator. The autoclave reactor is characterized by having one or more elongated baffles affixed to the interior reactor wall.

Process and apparatus for polymerizing ethylene under ultra-high pressure

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

The invention provides improved energy content in and shaft power recovery from off-gas from xylene oxidation reactions while at the same time minimizing wastewater treatment cost. More shaft power is produced using off-gas than is required to drive the main air compressor, even with preferred, relatively low oxidation temperatures. Simultaneously, an amount of wastewater greater than byproduct water from oxidation of xylene is kept in vapor form and treated along with off-gas pollutants in a self-sustaining (self-fueling) gas-phase thermal oxidative destruction unit. Optionally, off-gas is combined from multiple xylene oxidation reactors, comprising primary and/or secondary oxidation reactors and forming TPA and/or IPA.

Integrated co-production of dicarboxylic acids

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.

Growing community of inventors

Kingsport, TN, United States of America

Alan George Wonders