IT1075317B - Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico - Google Patents

Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico

Info

Publication number
IT1075317B
IT1075317B IT22408/77A IT2240877A IT1075317B IT 1075317 B IT1075317 B IT 1075317B IT 22408/77 A IT22408/77 A IT 22408/77A IT 2240877 A IT2240877 A IT 2240877A IT 1075317 B IT1075317 B IT 1075317B
Authority
IT
Italy
Prior art keywords
anhydrification
recovery
solvent
product
terephthalic acid
Prior art date
Application number
IT22408/77A
Other languages
English (en)
Inventor
Giuseppe Costantini
Mauro Serafini
Pietro Paoli
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT22408/77A priority Critical patent/IT1075317B/it
Priority to NLAANVRAGE7803368,A priority patent/NL188282C/xx
Priority to FR7809488A priority patent/FR2386511A1/fr
Priority to GB12977/78A priority patent/GB1593117A/en
Priority to JP3817578A priority patent/JPS53127430A/ja
Priority to ES468499A priority patent/ES468499A1/es
Priority to MX172975A priority patent/MX148713A/es
Priority to BR7802069A priority patent/BR7802069A/pt
Priority to IN356/CAL/78A priority patent/IN148106B/en
Priority to SU782600750A priority patent/SU1217250A3/ru
Priority to DE19782814448 priority patent/DE2814448A1/de
Priority to CA300,710A priority patent/CA1105051A/en
Priority to BE188218A priority patent/BE867683R/xx
Priority to US06/116,851 priority patent/US4250330A/en
Application granted granted Critical
Publication of IT1075317B publication Critical patent/IT1075317B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT22408/77A 1977-04-04 1977-04-13 Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico IT1075317B (it)

Priority Applications (14)

Application Number Priority Date Filing Date Title
IT22408/77A IT1075317B (it) 1977-04-13 1977-04-13 Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico
NLAANVRAGE7803368,A NL188282C (nl) 1977-04-04 1978-03-30 Werkwijze voor de synthese van tereftaalzuur door oxyderen van p-xyleen in azijnzuuroplossing.
FR7809488A FR2386511A1 (fr) 1977-04-04 1978-03-31 Procede de recuperation du catalyseur et du solvant a partir de la liqueur mere d'un procede de synthese de l'acide terephtalique
JP3817578A JPS53127430A (en) 1977-04-04 1978-04-03 Improved method of recovering catalyst and solvent from mother liquid of phthalic acid synthesizing process
ES468499A ES468499A1 (es) 1977-04-04 1978-04-03 Un procedimiento para la recuperacion de catalizadores y di-solventes en un metodo para la obtencion de acido tereftali-co
MX172975A MX148713A (es) 1977-04-04 1978-04-03 Procedimiento mejorado para la recuperacion de catalizadores y disolventes de un proceso para la obtencion de acido tereftalico
GB12977/78A GB1593117A (en) 1977-04-04 1978-04-03 Process for the recovery of catalyst and solvent from the mother lquor of a process for the synthesis of therephthalic acid
BR7802069A BR7802069A (pt) 1977-04-04 1978-04-03 Processo para a sintese de acido tereftalico com recuperacao de catalisador e solvente a partir do liquido principal
IN356/CAL/78A IN148106B (it) 1977-04-04 1978-04-03
SU782600750A SU1217250A3 (ru) 1977-04-04 1978-04-03 Способ обработки маточного раствора
DE19782814448 DE2814448A1 (de) 1977-04-04 1978-04-04 Verbessertes verfahren zur herstellung von terephthalsaeure
CA300,710A CA1105051A (en) 1977-04-13 1978-04-07 Process for the recovery of catalyst and solvent from the mother liquor of a process for the synthesis of terephtalic acid
BE188218A BE867683R (fr) 1977-04-04 1978-05-31 Procede de recuperation du catalyseur et du solvant a partir de la liqueur mere d'un procede de synthese de l'acide terephtalique
US06/116,851 US4250330A (en) 1977-04-13 1980-01-30 Process for the recovery of the solvent and of the by-produced methylacetate in the synthesis of terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22408/77A IT1075317B (it) 1977-04-13 1977-04-13 Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico

Publications (1)

Publication Number Publication Date
IT1075317B true IT1075317B (it) 1985-04-22

Family

ID=11195905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22408/77A IT1075317B (it) 1977-04-04 1977-04-13 Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico

Country Status (3)

Country Link
US (1) US4250330A (it)
CA (1) CA1105051A (it)
IT (1) IT1075317B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5384933A (en) * 1976-12-30 1978-07-26 Mitsubishi Chem Ind Ltd Preparation of terephthalic acid
US4792621A (en) * 1986-07-28 1988-12-20 Amoco Corporation Method for continuous production of aromatic carboxylic acid
AU3188595A (en) * 1994-08-23 1996-03-14 E.I. Du Pont De Nemours And Company Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid
US5510521A (en) * 1995-03-27 1996-04-23 Eastman Chemical Company Process for the production of aromatic carboxylic acids
GB9602680D0 (en) * 1996-02-09 1996-04-10 Ici Plc Distillation process
EP0973717B1 (en) * 1997-04-09 2003-10-01 E.I. Du Pont De Nemours And Company Water separation process
US6150553A (en) * 1998-08-11 2000-11-21 E. I. Du Pont De Nemours And Company Method for recovering methyl acetate and residual acetic acid in the production acid of pure terephthalic acid
TW483886B (en) * 1998-08-11 2002-04-21 Du Pont Method for recovering methyl acetate and residual acetic acid in the production of pure terephtalic acid
CN1097576C (zh) * 2000-05-09 2003-01-01 华东理工大学 芳香族二元羧酸的生产方法
US6657067B2 (en) 2002-03-22 2003-12-02 General Electric Company Method for the manufacture of chlorophthalic anhydride
US6657068B2 (en) 2002-03-22 2003-12-02 General Electric Company Liquid phase oxidation of halogenated ortho-xylenes
US6649773B2 (en) 2002-03-22 2003-11-18 General Electric Company Method for the manufacture of halophthalic acids and anhydrides
ES2302470B1 (es) * 2003-08-12 2009-06-09 Amt International, Inc. Sistema y metodo para recuperacion de acido acetico durante la produccion de acido tereftalico.
US20060004223A1 (en) * 2004-06-30 2006-01-05 General Electric Company Method of making halophthalic acids and halophthalic anhydrides
US7541489B2 (en) * 2004-06-30 2009-06-02 Sabic Innovative Plastics Ip B.V. Method of making halophthalic acids and halophthalic anhydrides
KR100733400B1 (ko) * 2005-08-01 2007-06-29 아신기술 주식회사 아세트산, 메틸아세테이트 및 물을 분리하기 위한공비증류공정
KR100662146B1 (ko) * 2005-09-07 2006-12-27 한화석유화학 주식회사 테레프탈산 제조공정에서 발생되는 폐기물의 처리방법
CN101792386B (zh) * 2010-02-04 2013-04-10 南京工业大学 一种处理芳香羧酸生产中溶剂及副产物的方法
CN102653512B (zh) * 2011-03-02 2014-08-20 中国石油化工股份有限公司 一种芳香族羧酸生产过程中回收醋酸及醋酸甲酯的集成工艺
US20140121406A1 (en) * 2012-10-31 2014-05-01 Invista North America S.A.R.L. Pure plant mother liquor solvent extraction system and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833817A (en) * 1956-06-27 1958-05-06 Mid Century Corp Process for the preparation of terephthalic acid
US3487108A (en) * 1965-10-22 1969-12-30 Mobil Oil Corp Process for the preparation of benzene carboxylic acids

Also Published As

Publication number Publication date
CA1105051A (en) 1981-07-14
US4250330A (en) 1981-02-10

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