BG60618B1 - Метод за получаване на диметилтерефталатен междинен продукт с определена чистота и неговото преработване до свръхчист диметил- терефталат и/или до чиста или свръхчиста терефталова киселина - Google Patents

Метод за получаване на диметилтерефталатен междинен продукт с определена чистота и неговото преработване до свръхчист диметил- терефталат и/или до чиста или свръхчиста терефталова киселина Download PDF

Info

Publication number
BG60618B1
BG60618B1 BG94933A BG9493391A BG60618B1 BG 60618 B1 BG60618 B1 BG 60618B1 BG 94933 A BG94933 A BG 94933A BG 9493391 A BG9493391 A BG 9493391A BG 60618 B1 BG60618 B1 BG 60618B1
Authority
BG
Bulgaria
Prior art keywords
dmt
fraction
methanol
terephthalic acid
ppm
Prior art date
Application number
BG94933A
Other languages
Bulgarian (bg)
English (en)
Other versions
BG94933A (bg
Inventor
Hermann-Joseph Korte
Anton Miletic
Hans U Neutzler
Anton Schoengen
Johann H Schroeder
Ralf Wirges
Original Assignee
Huels Chemische Werke Ag
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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of BG94933A publication Critical patent/BG94933A/bg
Publication of BG60618B1 publication Critical patent/BG60618B1/bg

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BG94933A 1989-02-16 1991-08-01 Метод за получаване на диметилтерефталатен междинен продукт с определена чистота и неговото преработване до свръхчист диметил- терефталат и/или до чиста или свръхчиста терефталова киселина BG60618B1 (bg)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3904586A DE3904586A1 (de) 1989-02-16 1989-02-16 Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure
PCT/EP1990/000230 WO1990009367A1 (de) 1989-02-16 1990-02-13 Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsäure

Publications (2)

Publication Number Publication Date
BG94933A BG94933A (bg) 1993-12-24
BG60618B1 true BG60618B1 (bg) 1995-10-31

Family

ID=6374165

Family Applications (1)

Application Number Title Priority Date Filing Date
BG94933A BG60618B1 (bg) 1989-02-16 1991-08-01 Метод за получаване на диметилтерефталатен междинен продукт с определена чистота и неговото преработване до свръхчист диметил- терефталат и/или до чиста или свръхчиста терефталова киселина

Country Status (19)

Country Link
US (2) US5286896A (zh)
EP (1) EP0464046B1 (zh)
JP (1) JP2793038B2 (zh)
KR (1) KR0152059B1 (zh)
CN (3) CN1031189C (zh)
BG (1) BG60618B1 (zh)
BR (1) BR9007126A (zh)
CA (1) CA2046920A1 (zh)
CZ (1) CZ283609B6 (zh)
DD (1) DD297804A5 (zh)
DE (2) DE3904586A1 (zh)
ES (1) ES2063344T3 (zh)
PL (2) PL165176B1 (zh)
PT (1) PT93164B (zh)
RO (1) RO112277B1 (zh)
SK (1) SK39290A3 (zh)
TR (1) TR25120A (zh)
WO (1) WO1990009367A1 (zh)
ZA (1) ZA901154B (zh)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2050343T3 (es) * 1989-12-02 1994-05-16 Hoechst Ag Procedimiento para la purificacion de tereftalato de dimetilo.
US5095135A (en) * 1990-04-05 1992-03-10 Sumikin Chemical Co., Ltd. Process for the preparation of high-purity naphthalenecarboxylic acid esters
CN1041082C (zh) * 1993-05-12 1998-12-09 天津石油化工公司研究所 一种对苯二甲酸二甲酯膜式结晶精制方法
US5606103A (en) * 1993-09-03 1997-02-25 Cps Chemical Company, Inc. Organotin catalyzed transesterification
US5498751A (en) * 1993-09-03 1996-03-12 Cps Chemical Company, Inc. Organotin catalyzed transesterification
EP0725054A1 (de) * 1995-01-24 1996-08-07 Hüls Aktiengesellschaft Verfahren zur Herstellung von Terephthalsäure und ihrer Isomeren
DE19530970A1 (de) * 1995-08-23 1997-02-27 Huels Chemische Werke Ag Verfahren zur Aufarbeitung von Rückständen aus der Rohester-Destillation bei der Herstellung von Dimethylterephthalat (DMT)
DE19615886C1 (de) 1996-04-22 1997-07-31 Huels Chemische Werke Ag Verfahren zur Herstellung von rohem Dimethylterephthalat
DE19618152C1 (de) * 1996-05-07 1997-08-14 Huels Chemische Werke Ag Verfahren zur Trennung von Rohester im DMT-Prozeß
DE19641912A1 (de) * 1996-10-11 1998-04-16 Huels Chemische Werke Ag Verbesserte Oxidation im Witten-Hercules-Verfahren zur Herstellung von Dimethylterephthalat
DE19724390A1 (de) * 1997-06-10 1998-12-17 Huels Chemische Werke Ag Methanolyse von Destillationsrückstand der Rohesterdestillation im Witten-Hercules-Verfahren zur Herstellung von Dimethylterephthalat
DE19724391A1 (de) * 1997-06-10 1998-12-17 Huels Chemische Werke Ag Verfahren zur Auftrennung des Rohestergemisches aus der Herstellung von Dimethylteraphthalat nach dem Witten-Hercules-Verfahren
DE19750491A1 (de) * 1997-11-14 1999-05-20 Huels Chemische Werke Ag Hochsiederkreislauf im DMT-Prozeß
US6472557B1 (en) 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
DE10231872B4 (de) * 2002-07-12 2005-09-01 H & G Hegmanns Ingenieurgesellschaft Mbh Verfahren zur Herstellung von Dimethylterephthalat
EP2292684A3 (en) * 2005-12-29 2011-04-20 BP Corporation North America Inc. Ethanolysis of pet to form det and oxidation thereof
KR101027163B1 (ko) 2009-12-18 2011-04-05 주식회사 엘지화학 폴리락타이드 수지, 이의 제조 방법 및 이를 포함하는 폴리락타이드 수지 조성물
DE102013001972A1 (de) 2013-02-05 2014-08-07 Thyssenkrupp Industrial Solutions Ag Verfahren zur selektiven Entfernung von Katalysatorbestandteilen aus Abströmen von Oxidationsreaktionen aromatischer Verbindungen, dafür geeignete Anlage und Verwendung
MY179674A (en) 2014-09-17 2020-11-11 Sulzer Chemtech Ag A method for stabilizing a condensed phase composition including a cyclic ester in a process of manufacturing a polyester or of lactide
CN106187750B (zh) * 2015-05-06 2019-07-12 中国科学院大连化学物理研究所 一种二甲苯液相催化氧化制备苯二甲酸的方法
CN105017022A (zh) * 2015-07-20 2015-11-04 浙江大学 一种甲酯化回收利用pta氧化残渣的方法
CN107540538B (zh) * 2017-10-16 2020-07-28 黄石市利福达医药化工有限公司 一种用于制备5-甲基间苯二甲酸的组合物、反应体系及方法
CN109745723B (zh) * 2018-12-29 2021-07-06 恒天纤维集团有限公司 一种双塔连续供料精馏系统及控制方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646393A (en) * 1952-06-21 1953-07-21 Du Pont Process for the purification of dimethyl terephthalate by distillation
DE1098503B (de) * 1959-01-24 1961-02-02 Basf Ag Verfahren zur kontinuierlichen Gewinnung von reinem Terephthalsaeuredimethylester
GB955516A (en) * 1960-12-28 1964-04-15 Toyo Rayon Co Ltd Improvements in or relating to the preparation of dimethyl terephthalate
US3502711A (en) * 1966-10-17 1970-03-24 Exxon Research Engineering Co Purification of dimethylterephthalate
DD104973A5 (zh) * 1972-09-12 1974-04-05
JPS522896B2 (zh) * 1973-01-18 1977-01-25
DE2427875C3 (de) * 1974-06-10 1980-03-20 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung von Dimethylterephthalat und von Zwischenprodukten der Dimethylterephthalat-Herstellung
US4096340A (en) * 1975-06-03 1978-06-20 Teijin Hercules Chemical Co., Ltd. Process for the preparation of dimethyl terephthalate
DE3011585C2 (de) * 1979-03-30 1983-09-08 Asahi-Dow Ltd., Tokyo Verfahren zur Gewinnung von gewaschenem Tierhaarmaterial
DE2916197C2 (de) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt
DE3011858C2 (de) * 1979-04-21 1982-11-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephtalsäure aus Roh-Dimethylterephthalat durch kontinuierliche Hydrolyse mit Wasser
DE3044617C2 (de) * 1980-11-27 1985-09-26 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt
US4342876A (en) * 1980-12-22 1982-08-03 Bechtel International Corporation Method for oxidation of p-xylene and method for preparing dimethylterephthalate
EP0096082A1 (en) * 1982-06-03 1983-12-21 Bechtel International Corporation Oxidation reactor
WO2008015448A2 (en) * 2006-08-03 2008-02-07 Sepura Plc Mobile communications systems

Also Published As

Publication number Publication date
CN1129695A (zh) 1996-08-28
US5286896A (en) 1994-02-15
CN1100713A (zh) 1995-03-29
KR0152059B1 (ko) 1998-10-15
ZA901154B (en) 1990-12-28
PT93164A (pt) 1990-08-31
PT93164B (pt) 1995-12-29
BG94933A (bg) 1993-12-24
WO1990009367A1 (de) 1990-08-23
CN1044937A (zh) 1990-08-29
PL165179B1 (pl) 1994-11-30
DD297804A5 (de) 1992-01-23
CN1031189C (zh) 1996-03-06
US5338882A (en) 1994-08-16
JP2793038B2 (ja) 1998-09-03
JPH04503358A (ja) 1992-06-18
SK280211B6 (sk) 1999-10-08
PL165176B1 (pl) 1994-11-30
EP0464046A1 (de) 1992-01-08
ES2063344T3 (es) 1995-01-01
DE3904586A1 (de) 1990-08-23
DE59005469D1 (de) 1994-05-26
EP0464046B1 (de) 1994-04-20
CZ39290A3 (cs) 1998-01-14
KR920701118A (ko) 1992-08-11
SK39290A3 (en) 1999-10-08
CA2046920A1 (en) 1990-08-17
TR25120A (tr) 1992-11-01
CZ283609B6 (cs) 1998-05-13
CN1035994C (zh) 1997-10-01
CN1040424C (zh) 1998-10-28
RO112277B1 (ro) 1997-07-30
BR9007126A (pt) 1991-12-10

Similar Documents

Publication Publication Date Title
BG60618B1 (bg) Метод за получаване на диметилтерефталатен междинен продукт с определена чистота и неговото преработване до свръхчист диметил- терефталат и/или до чиста или свръхчиста терефталова киселина
EP0255399B1 (en) Process
US5705682A (en) Process for producing highly pure terephthalic acid
JP3757995B2 (ja) 高純度イソフタル酸の製造方法
US4302595A (en) Process for the preparation of terephthalic acid by the hydrolysis of intermediate stage crude dimethyl terephthalate
JPH0558948A (ja) テレフタル酸の製造方法
US4250330A (en) Process for the recovery of the solvent and of the by-produced methylacetate in the synthesis of terephthalic acid
KR20010072398A (ko) 정제 테레프탈산의 제조시 메틸 아세테이트 및 잔류아세트산의 회수 방법
BG100301A (bg) Метод за получаване на терефталова киселина и нейните изомери
US5959140A (en) Process for producing aromatic carboxylic acid
FI61892C (fi) Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning
EA030640B1 (ru) Увеличение скорости фильтрации очистки терефталевой кислоты путем регулировки процента воды в подаваемой на фильтр суспензии
RU2083550C1 (ru) Способ получения терефталевой кислоты
JP3849086B2 (ja) 芳香族カルボン酸の製造方法
KR830001517B1 (ko) 디메틸 테레프탈레이트의 가수분해에 의한 테레프탈산의 제조방법
KR950013081B1 (ko) 디알킬 말리에이트의 제조방법
KR100527416B1 (ko) 고순도 이소프탈산의 제조방법
KR830001623B1 (ko) 테레프탈릭산 합성에 있어서 활성상태로 촉매를 회수하는 방법
RU2574394C2 (ru) Производство ароматических карбоновых кислот
JP2002326972A (ja) 共沸蒸留方法
WO1998023571A1 (en) Liquid phthalic anhydride recovery process using a rectification tower with benzoic acid control
PL123208B1 (en) Process for manufacturing dioctyl phtalate