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IT1202861B - Processo di recupero e riutilizzazione di etilenglicol in un processo continuo di esterificazione diretta di acido tereftalico con etilenglicol - Google Patents

Processo di recupero e riutilizzazione di etilenglicol in un processo continuo di esterificazione diretta di acido tereftalico con etilenglicol

Info

Publication number
IT1202861B
IT1202861B IT22062/78A IT2206278A IT1202861B IT 1202861 B IT1202861 B IT 1202861B IT 22062/78 A IT22062/78 A IT 22062/78A IT 2206278 A IT2206278 A IT 2206278A IT 1202861 B IT1202861 B IT 1202861B
Authority
IT
Italy
Prior art keywords
ethylenglicol
exterification
recovery
terephthalic acid
continuous direct
Prior art date
Application number
IT22062/78A
Other languages
English (en)
Other versions
IT7822062A0 (it
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of IT7822062A0 publication Critical patent/IT7822062A0/it
Application granted granted Critical
Publication of IT1202861B publication Critical patent/IT1202861B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
    • B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00103—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor in a heat exchanger separate from the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2219/0011—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling involving reactant liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT22062/78A 1977-04-07 1978-04-06 Processo di recupero e riutilizzazione di etilenglicol in un processo continuo di esterificazione diretta di acido tereftalico con etilenglicol IT1202861B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/785,577 US4146729A (en) 1977-04-07 1977-04-07 Process for preparing poly(ethylene terephthalate)

Publications (2)

Publication Number Publication Date
IT7822062A0 IT7822062A0 (it) 1978-04-06
IT1202861B true IT1202861B (it) 1989-02-15

Family

ID=25135927

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22062/78A IT1202861B (it) 1977-04-07 1978-04-06 Processo di recupero e riutilizzazione di etilenglicol in un processo continuo di esterificazione diretta di acido tereftalico con etilenglicol

Country Status (11)

Country Link
US (1) US4146729A (it)
JP (1) JPS53126096A (it)
BR (1) BR7802164A (it)
CA (1) CA1114831A (it)
DE (1) DE2815185A1 (it)
ES (1) ES468609A1 (it)
FR (1) FR2386572B1 (it)
GB (1) GB1598972A (it)
IT (1) IT1202861B (it)
MX (1) MX149664A (it)
NL (1) NL7803741A (it)

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* Cited by examiner, † Cited by third party
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US4230818A (en) * 1979-03-01 1980-10-28 The Goodyear Tire & Rubber Company Reduction of glycol ethers in polyesters
US4254246A (en) * 1979-03-26 1981-03-03 Davy International Ag Column system process for polyester plants
US5236558A (en) * 1982-09-23 1993-08-17 Allied-Signal Inc. Method to recycle spent ethylene glycol
US4830712A (en) * 1987-09-29 1989-05-16 Union Carbide Corporation Process for refining ethylene glycol
CH678289A5 (it) * 1988-08-05 1991-08-30 Weber Anneler Hans
IT1255722B (it) * 1992-10-09 1995-11-13 Montefibre Spa Metodo per il recupero dei residui di fondo colonna nella distillazione frazionata dell'etilene glicole
DE4306144A1 (de) * 1993-02-27 1994-09-01 Brown John Deutsche Eng Gmbh Verfahren und Polykondensationsanlage zur Aufbereitung von verunreinigtem Ethylenglykol
US5559205A (en) * 1995-05-18 1996-09-24 E. I. Du Pont De Nemours And Company Sulfonate-containing polyesters dyeable with basic dyes
US5703179A (en) * 1995-08-28 1997-12-30 Toray Industries, Inc. Method for producing polyesters
US5817910A (en) * 1996-06-28 1998-10-06 Wellman, Inc. Destroying 1,4-dioxane in byproduct streams formed during polyester synthesis
US6031065A (en) * 1996-06-28 2000-02-29 Wellman, Inc. Polyester copolymers from naphthalate and related esters
US6037055A (en) * 1997-02-12 2000-03-14 E. I. Du Pont De Nemours And Company Low pill copolyester
US5817740A (en) * 1997-02-12 1998-10-06 E. I. Du Pont De Nemours And Company Low pill polyester
WO2001083582A1 (fr) 2000-04-27 2001-11-08 Teijin Limited Procede de production en continu de polyester
US6906164B2 (en) 2000-12-07 2005-06-14 Eastman Chemical Company Polyester process using a pipe reactor
PL217902B1 (pl) * 2000-12-07 2014-09-30 Eastman Chem Co Sposób wytwarzania monomeru poliestru i urządzenie do wytwarzania monomeru poliestru
DE10125678B4 (de) * 2001-05-25 2011-04-14 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Herstellung von Polyethylenterephthalat
US7074879B2 (en) * 2003-06-06 2006-07-11 Eastman Chemical Company Polyester process using a pipe reactor
US7135541B2 (en) 2003-06-06 2006-11-14 Eastman Chemical Company Polyester process using a pipe reactor
US7332548B2 (en) * 2004-03-04 2008-02-19 Eastman Chemical Company Process for production of a polyester product from alkylene oxide and carboxylic acid
DE102005053858A1 (de) * 2005-11-11 2007-05-16 Coperion Waeschle Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Polyester
US7943094B2 (en) 2006-12-07 2011-05-17 Grupo Petrotemex, S.A. De C.V. Polyester production system employing horizontally elongated esterification vessel
US7649109B2 (en) * 2006-12-07 2010-01-19 Eastman Chemical Company Polyester production system employing recirculation of hot alcohol to esterification zone
US20080139780A1 (en) * 2006-12-07 2008-06-12 Debruin Bruce Roger Polyester production system employing short residence time esterification
US7863477B2 (en) * 2007-03-08 2011-01-04 Eastman Chemical Company Polyester production system employing hot paste to esterification zone
US7868130B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Multi-level tubular reactor with vertically spaced segments
US7868129B2 (en) * 2007-07-12 2011-01-11 Eastman Chemical Company Sloped tubular reactor with spaced sequential trays
US7858730B2 (en) 2007-07-12 2010-12-28 Eastman Chemical Company Multi-level tubular reactor with dual headers
US7872090B2 (en) * 2007-07-12 2011-01-18 Eastman Chemical Company Reactor system with optimized heating and phase separation
US7847053B2 (en) * 2007-07-12 2010-12-07 Eastman Chemical Company Multi-level tubular reactor with oppositely extending segments
US7872089B2 (en) 2007-07-12 2011-01-18 Eastman Chemical Company Multi-level tubular reactor with internal tray
US7829653B2 (en) * 2007-07-12 2010-11-09 Eastman Chemical Company Horizontal trayed reactor
US7842777B2 (en) * 2007-07-12 2010-11-30 Eastman Chemical Company Sloped tubular reactor with divided flow
US7834109B2 (en) * 2007-12-07 2010-11-16 Eastman Chemical Company System for producing low impurity polyester
DE102008044440B4 (de) * 2008-08-18 2011-03-03 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Rückgewinnung von Ethylenglykol bei der Polyethylenterephthalatherstellung
TWI473832B (zh) * 2009-03-13 2015-02-21 Saudi Basic Ind Corp 聚對酞酸乙二酯的製造方法
EP2287225A1 (en) 2009-08-20 2011-02-23 Saudi Basic Industries Corporation Process for making polyethylene terephthalate
JP6237129B2 (ja) * 2012-11-29 2017-11-29 三菱ケミカル株式会社 ポリエステルの製造方法
CN105246589B (zh) * 2013-03-15 2017-09-08 因温斯特技术公司 热虹吸酯化器
CN104607105A (zh) * 2015-01-05 2015-05-13 福建省鑫东华实业有限公司 聚对苯二甲酸乙二醇酯生产设备的淋洗系统及淋洗方法
FR3092323B1 (fr) 2019-02-01 2021-06-04 Ifp Energies Now Procédé de production d’un polyester téréphtalate à partir d’un mélange monomérique comprenant un diester
CN111205447A (zh) * 2020-03-27 2020-05-29 中国石油化工股份有限公司 一种三釜聚酯工艺的改进流程

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905707A (en) * 1959-09-22 Production of bis
US2973341A (en) * 1956-01-25 1961-02-28 Glanzstoff Ag Continuous process for production of a polyethylene terephthalate condensate
US2829153A (en) * 1957-03-04 1958-04-01 Du Pont Continuous ester interchange process
BR6458663D0 (pt) * 1963-04-26 1973-12-27 Fiber Industries Inc Processo aperfeicoado para a preparacao de polimerosde poliesteres lineares pela esterificacao inicial de acido tereftalico ou trans esterificacao de tereftalato de alquila com um glicol
DE1570568A1 (de) * 1964-06-01 1970-03-12 Fiber Industries Inc Verfahren zur Herstellung von Polykondensationsprodukten
US3367847A (en) * 1966-02-01 1968-02-06 Du Pont Purification of ethylene glycol containing salts of terephthalic acid by plural distiallation
FR1522419A (fr) * 1966-03-31 1968-04-26 Karl Fischer App U Rohrleitung Procédé d'estérification d'acides bibasiques aromatiques avec des glycols
US3590072A (en) * 1966-11-18 1971-06-29 Monsanto Co Method for direct esterification of terephthalic acid with ethylene glycol
NL6809753A (it) * 1968-04-11 1969-10-14
US3676485A (en) * 1968-08-12 1972-07-11 Eastman Kodak Co Method for use in a continuous flow reaction for producing a monomer and or a protopolymer
US3697579A (en) * 1969-09-18 1972-10-10 Allied Chem Method of esterifying a polycarboxylic acid with a glycol
US3927982A (en) * 1970-03-18 1975-12-23 Du Pont Recirculating apparatus for continuous esterification reactions
DE2014818B2 (de) * 1970-03-26 1977-07-28 Zimmer Ag, 6000 Frankfurt Verfahren zur kontinuierlichen herstellung von polyaethylenterephthalat
BE789047A (fr) * 1971-09-20 1973-03-20 Montedison Spa Procede pour l'esterification en continu d'acides dicarboxyliques et d'alcools
JPS5123234A (en) * 1974-08-20 1976-02-24 Nippon Ester Co Ltd Bisu * beeta hidorokishechiru * terefutareeto oyobi * mataha sonoteijugotaino seizohoho

Also Published As

Publication number Publication date
FR2386572A1 (fr) 1978-11-03
IT7822062A0 (it) 1978-04-06
GB1598972A (en) 1981-09-30
CA1114831A (en) 1981-12-22
US4146729A (en) 1979-03-27
FR2386572B1 (fr) 1985-07-19
ES468609A1 (es) 1978-11-16
NL7803741A (nl) 1978-10-10
JPS53126096A (en) 1978-11-02
MX149664A (es) 1983-12-09
DE2815185A1 (de) 1978-10-19
BR7802164A (pt) 1978-11-28

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