KR920018005A - 테레프탈산의 제조방법 - Google Patents

테레프탈산의 제조방법 Download PDF

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Publication number
KR920018005A
KR920018005A KR1019920003690A KR920003690A KR920018005A KR 920018005 A KR920018005 A KR 920018005A KR 1019920003690 A KR1019920003690 A KR 1019920003690A KR 920003690 A KR920003690 A KR 920003690A KR 920018005 A KR920018005 A KR 920018005A
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South Korea
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zone
terephthalic acid
band
aqueous medium
slurry
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KR1019920003690A
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KR100225371B1 (ko
Inventor
힌드마쉬 에릭
아더 터너 존
맥퍼슨 어 알랜
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수잔 제인 젠틀
임페리알 케미칼 인더스트리스 피엘씨
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

내용 없음

Description

테레프탈산의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 공정의 흐름도이다.
제2도는 본 발명에 사용되는 필터 및 재슬러리 탱크이다.

Claims (10)

  1. 아세트산을 함유하는 반응 매질내에서 파라크실렌을 산화시켜 반응 매질내에 테레프탈산의 슬러리를 만들고; 이 슬러리를 이동가능한 필터밴드에 침척시키고; 제1구역에서 필터 밴드를 통해 슬러리로부터 반응 매질을 제거하여 젖은 상태의 첫번째 침적물을 만들고; 필터 밴드위에 침적물을 제2구역으로 이동시켜 제1수성 매질로 세척하고; 젖어있는 첫번째 침적물 내에 존재하는 반응 매질 및 제1수성 매질을 상기 밴드를 통해 제거하여 젖은 상태의 두번째 침적물을 만드고; 젖어있는 두번째 침적물을 제3구역으로 이동시키고; 제3구역에서 필터 밴드에서 부터 젖어있는 두번째 침적물을 제거하고; 제3구역에서 젖어있는 두 번째 침적물을 제거하는 중이나 또는 이과정을 행한후 곧바로 젖어있는 두 번째 침적물을 제2수성 매질과 혼합하여 제2수성 매질내에 테레프탈산의 슬러리를 만들고; 제2수성 매질로부터 테레프탈산을 회수하고; 제1구역에서 필터 밴드를 통해 제거한 반응 매질을 회수하여 이중 최소 일부의 반응 매질을 산화 단계에 직접 또는 간접적으로 재순환시키는 것으로 구성된, 테레프탈산을 제조하는 방법.
  2. 제1항에 있어서, 제2 구역에서 필터 밴드를 통해 제거된 제1수성 매질 및 반응 매질의 최소 일부를 임의적으로 제1구역에서부터 회수한 반응 매질을 최소 일부와 함께 산화단계로 되돌려보내고 및/또는 증류시키는 방법.
  3. 제1항 또는 제2항에 있어서, 제2구역이 연속식 단계로 이루어지는데, 최종 단계 이외의 각 단계에서 고체와 밴드를 통해 유입된 수성 매질이 연속한 단계에서 고체와 밴드를 통과한 수성 매질인 방법.
  4. 전기한 항의 어느 한 항에 있어서, 슬러릭 침적된 이동가능한 밴드면의 압력이 슬러리가 침적되지않은 밴드면의 압력보다 높은 방법.
  5. 제4항에 있어서, 밴드 면의 압력보가 0.1-15바인 방법.
  6. 전기한 항의 어느 한 항에 있어서, 아세트산중의 테레프탈산의 슬러리가 최소한60℃의 온도에서 이동가능한 밴드에 침적된 방법.
  7. 전기한 항의 어느 한 항에 있어서, 이동가능한 밴드가 테레프탈산으로 이루어진 물질을 제1구역에서부터 제2구역을 통해 제3구역으로 연속적으로 또는 간헐적으로 이동시키는 연속식 밴드인 방법.
  8. 전기한 항의 어느 한 항에 있어서, 제2수성 매질이 거의 순수한 물인 방법.
  9. 전기한 항의 어느 한 항에 있어서, 테레프탈산을 제2수성 매질내에 용해시켜 테레프탈산을 포함하는 용액을 만들고, 이 용액을 환원 조건하에서 최소한 약간의 불순물을 환원시키기위한 불균질 촉매 및 수소와 접촉시킨 다음에 냉각시켜 정제된 테레프탈산 고체 생성물을 침전시킨뒤 용액에서 회수하여 제2수성 매질중의 테레프탈산 슬러리를 정제시킨후 테레프탈산을 회수하는 방법.
  10. 제9항에 있어서, 용액을 냉각시키고 및/또는 증발시켜 덜 순수한 침전물 및 모액을 얻고, 침전물을 모액으로부터 분리해낸뒤 이 모액을 집접 또는 간접적으로 증류 컬럼에 보내고 및/또는 제2 수성 매질중의 크루드한 테레프탈산 재슬러리로 보내고 임의적으로 덜 순수한 침전물을 산화단계에 재순환시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003690A 1991-03-07 1992-03-06 테레프탈산의 제조방법 Expired - Fee Related KR100225371B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9104776.1 1991-03-07
GB919104776A GB9104776D0 (en) 1991-03-07 1991-03-07 Process for the production of terephthalic acid
IDP97064092A ID19108A (id) 1991-03-07 1992-06-08 Proses produksi asam tereftalat (pecahan dari p-002451)

Publications (2)

Publication Number Publication Date
KR920018005A true KR920018005A (ko) 1992-10-21
KR100225371B1 KR100225371B1 (ko) 1999-10-15

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KR1019920003690A Expired - Fee Related KR100225371B1 (ko) 1991-03-07 1992-03-06 테레프탈산의 제조방법

Country Status (15)

Country Link
US (4) US5527957A (ko)
EP (3) EP0502628B1 (ko)
JP (1) JPH0565246A (ko)
KR (1) KR100225371B1 (ko)
CN (2) CN1038409C (ko)
CA (1) CA2062063C (ko)
DE (2) DE69230569T2 (ko)
EG (1) EG19876A (ko)
ES (2) ES2142006T3 (ko)
GB (2) GB9104776D0 (ko)
ID (1) ID19108A (ko)
MX (1) MX9200997A (ko)
RU (1) RU2106337C1 (ko)
SG (1) SG66231A1 (ko)
ZA (1) ZA921380B (ko)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9310070D0 (en) * 1992-05-29 1993-06-30 Ici Plc Process for the production of purified terephthalic acid
GB9400570D0 (en) * 1994-01-13 1994-03-09 Ici Plc Handling of materials at elevated pressure
TW299318B (ko) * 1994-11-15 1997-03-01 Mitsubishi Chem Corp
ES2150132T3 (es) * 1995-06-05 2000-11-16 Du Pont Tratamiento de gases efluentes.
US5961942A (en) * 1995-06-05 1999-10-05 E. I. Du Pont De Nemours And Company Effluent gas treatment
US6054610A (en) 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US6013835A (en) 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5929274A (en) 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US5767311A (en) 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
TW442461B (en) * 1996-02-22 2001-06-23 Du Pont Process for the production of an aromatic carboxylic acid
TR199801626T2 (xx) * 1996-02-22 1999-08-23 E.I. Du Pont De Nemours And Company Aromatik polikarboksilik asitlerin �retilmesi.
GB9705349D0 (en) 1997-03-14 1997-04-30 Ici Plc Treatment of effluent streams
EP1287914B1 (en) * 1997-12-12 2004-03-31 Mitsubishi Heavy Industries, Ltd. Rolling system and rolling method
CN1282314A (zh) * 1997-12-15 2001-01-31 国际壳牌研究有限公司 芳族羧酸的生产方法
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
IT1311976B1 (it) * 1999-03-25 2002-03-22 Franco Codignola Procedimento per la produzione di acidi aromatici.
IT1319169B1 (it) 2000-07-14 2003-09-26 Eurotecnica Dev & Licensing Sr Procedimento per la purificazione di acidi carbossilici aromatici.
US6765113B2 (en) 2000-07-19 2004-07-20 E.I. Du Pont De Nemours And Company Production of aromatic carboxylic acids
US6420589B1 (en) 2000-12-14 2002-07-16 General Electric Company Process for the production of diaryl carbonates
US6521777B2 (en) 2000-12-14 2003-02-18 General Electric Company Process for the production of diaryl carbonates
US6384262B1 (en) 2000-12-14 2002-05-07 General Electric Company Process for the production of diaryl carbonates
WO2004005235A1 (en) * 2002-07-09 2004-01-15 Invista Technologies S.À.R.L. Process for producing aromatic dicarboxylic acids under supercritical conditions
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7074954B2 (en) * 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7161027B2 (en) 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7132566B2 (en) * 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
BR0316462A (pt) * 2002-12-09 2005-10-11 Eastman Chem Co Processos para reduzir uma suspensão de ácido carboxìlico purificado, para purificar um produto de oxidação em estágios, para produzir um produto de ácido carboxìlico purificado, e, suspensão de ácido carboxìlico purificado
KR100498490B1 (ko) * 2003-02-28 2005-07-01 삼성전자주식회사 인페이스 신호와 쿼드러쳐 신호 간의 위상차를 가변시킬수 있는 쿼드러쳐 전압제어 발진기
US7193109B2 (en) * 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US20050059709A1 (en) * 2003-09-15 2005-03-17 Meythaler Jay M. Treatment of a neuropathy with rapid release aminopyridine
US7546747B2 (en) * 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US20050283022A1 (en) * 2004-06-18 2005-12-22 Sheppard Ronald B Filtrate preparation process for terephthalic acid filtrate treatment
US7683210B2 (en) * 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7563926B2 (en) 2004-09-02 2009-07-21 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7390921B2 (en) * 2004-09-02 2008-06-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7608733B2 (en) * 2004-09-02 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) * 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7586000B2 (en) * 2004-09-02 2009-09-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7482482B2 (en) 2004-09-02 2009-01-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7399882B2 (en) * 2004-09-02 2008-07-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7495125B2 (en) * 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7371894B2 (en) 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) * 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) * 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7608732B2 (en) 2005-03-08 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US20060047153A1 (en) * 2004-09-02 2006-03-02 Wonders Alan G Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
CA2601941C (en) 2005-03-21 2013-06-25 Bp Corporation North America Inc. Process and apparatus for manufacturing aromatic carboxylic acids including pure forms thereof
US20060264662A1 (en) * 2005-05-19 2006-11-23 Gibson Philip E Esterification of an enriched composition
US7880031B2 (en) 2005-05-19 2011-02-01 Eastman Chemical Company Process to produce an enrichment feed
US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
US7884231B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Process to produce an enriched composition
US7304178B2 (en) 2005-05-19 2007-12-04 Eastman Chemical Company Enriched isophthalic acid composition
US20060264664A1 (en) * 2005-05-19 2006-11-23 Parker Kenny R Esterification of an exchange solvent enriched composition
US7432395B2 (en) 2005-05-19 2008-10-07 Eastman Chemical Company Enriched carboxylic acid composition
US7741516B2 (en) 2005-05-19 2010-06-22 Eastman Chemical Company Process to enrich a carboxylic acid composition
US7834208B2 (en) 2005-05-19 2010-11-16 Eastman Chemical Company Process to produce a post catalyst removal composition
US7919652B2 (en) 2005-05-19 2011-04-05 Eastman Chemical Company Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
US7557243B2 (en) 2005-05-19 2009-07-07 Eastman Chemical Company Enriched terephthalic acid composition
US20060264656A1 (en) * 2005-05-19 2006-11-23 Fujitsu Limited Enrichment process using compounds useful in a polyester process
KR100708919B1 (ko) * 2005-05-30 2007-04-17 삼성석유화학(주) 테레프탈산의 회수 방법
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
EP2752446A1 (en) 2005-12-29 2014-07-09 BP Corporation North America Inc. Method of production of acetic acid
US7355068B2 (en) 2006-01-04 2008-04-08 Eastman Chemical Company Oxidation system with internal secondary reactor
US7358389B2 (en) 2006-01-04 2008-04-15 Eastman Chemical Company Oxidation system employing internal structure for enhanced hydrodynamics
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
US7863483B2 (en) * 2006-03-01 2011-01-04 Eastman Chemical Company Carboxylic acid production process
US8173835B2 (en) * 2006-03-01 2012-05-08 Grupo Petrotemex, S.A. De C.V. Method and apparatus for drying carboxylic acid
US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US8697906B2 (en) * 2006-03-01 2014-04-15 Grupo Petrotemex, S.A. De C.V. Methods and apparatus for producing a low-moisture carboxylic acid wet cake
US7847121B2 (en) * 2006-03-01 2010-12-07 Eastman Chemical Company Carboxylic acid production process
US7462736B2 (en) * 2006-03-01 2008-12-09 Eastman Chemical Company Methods and apparatus for isolating carboxylic acid
US20070208199A1 (en) * 2006-03-01 2007-09-06 Kenny Randolph Parker Methods and apparatus for isolating carboxylic acid
CN100368370C (zh) * 2006-03-29 2008-02-13 中国石化仪征化纤股份有限公司 对二甲苯氧化母液中悬浮物的回收系统装置
US8115029B2 (en) 2006-11-02 2012-02-14 University Of Kansas Cobalt-catalyzed oxidations in volumetrically expanded liquids by compressed gases
RU2463096C2 (ru) * 2007-12-20 2012-10-10 Хитачи Плант Текнолоджиз, Лтд. Способ фильтрации кристаллической суспензии
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
CN101417943B (zh) * 2008-12-08 2010-11-10 中国纺织工业设计院 高效回收利用pta装置精制母液的简易方法和系统
CN101914013B (zh) * 2010-07-30 2015-03-18 浙江大学 一种节水的对苯二甲酸生产方法
US8466312B2 (en) * 2010-08-20 2013-06-18 Grupo Petrotemex, S.A. De C.V. Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
EP2691378B1 (en) * 2011-03-28 2015-04-22 DSM IP Assets B.V. Process for the preparation of condensation products of melamine
US20140175025A1 (en) * 2012-12-21 2014-06-26 Eastman Chemical Company Generation of low-solids second mother liquor from terephthalic acid production filter
CN104338499B (zh) * 2013-07-31 2016-01-20 沅江华龙催化科技有限公司 一种液固多相反应分离同步反应器
CN104338500B (zh) * 2013-07-31 2015-12-02 沅江华龙催化科技有限公司 一种气液固多相反应分离同步反应器
CN105829277B (zh) * 2013-12-18 2020-01-17 Bp北美公司 制造芳族羧酸的改进的工艺和设备
KR102185028B1 (ko) 2013-12-30 2020-12-01 비피 코포레이션 노쓰 아메리카 인코포레이티드 방향족 카르복실산의 정제
CN103772182B (zh) * 2014-01-26 2015-06-17 沅江华龙催化科技有限公司 基于气液固多相反应分离同步反应器的利用空气氧化对二甲苯生产对苯二甲酸的方法
JP2015140342A (ja) * 2014-01-30 2015-08-03 株式会社日立製作所 精製テレフタル酸の製造方法
CN103936581A (zh) 2014-04-24 2014-07-23 天华化工机械及自动化研究设计院有限公司 一种提高cta溶剂交换效率的方法
CN105085231A (zh) 2014-05-20 2015-11-25 天华化工机械及自动化研究设计院有限公司 一种pta工业装置氧化单元中醋酸溶剂的处理方法
CN115867683A (zh) 2020-08-14 2023-03-28 科氏技术英国有限公司 从氧化剂清洗流中回收金属催化剂
WO2023021347A1 (en) 2021-08-20 2023-02-23 Koch Technology Solutions UK Limited Nickel and cobalt separation in a pta process

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE926605C (de) * 1953-07-22 1955-04-21 Heinz Dipl-Volksw Hoening Waschband fuer Drehfilter
GB970492A (en) * 1960-10-18 1964-09-23 Standard Oil Co Production of aromatic carboxylic acids
GB926605A (en) * 1961-03-24 1963-05-22 Atomic Energy Authority Uk Improvements in or relating to fire-detection apparatus
NL6606774A (ko) * 1965-05-17 1966-11-18
GB1152575A (en) * 1965-05-17 1969-05-21 Standard Oil Co Purification of Aromatic Polycarboxylic Acids.
NL7210541A (ko) * 1972-08-01 1974-02-05
US4786753A (en) * 1987-05-18 1988-11-22 Amoco Corporation Oxidation process for the manufacture of aromatic acids from alkylaromatic compounds
US4782181A (en) * 1987-06-04 1988-11-01 Amoco Corporation Process for removal of high molecular weight impurities in the manufacture of purified terephthalic acid
JP2545103B2 (ja) * 1987-12-17 1996-10-16 三井石油化学工業株式会社 テレフタル酸スラリ―の分散媒交換方法
JP2595657B2 (ja) * 1988-05-27 1997-04-02 三井石油化学工業株式会社 スラリーから結晶を回収する方法
US4939297A (en) * 1989-06-05 1990-07-03 Eastman Kodak Company Extraction process for removal of impurities from terephthalic acid filtrate
GB9102393D0 (en) * 1991-02-05 1991-03-20 Ici Plc Production of terephthalic acid
US5175355A (en) * 1991-04-12 1992-12-29 Amoco Corporation Improved process for recovery of purified terephthalic acid
JP2620820B2 (ja) * 1991-04-12 1997-06-18 アモコ・コーポレーション 還元して精製テレフタル酸を調製するのに適する粗製テレフタル酸の調製方法
US5200557A (en) * 1991-04-12 1993-04-06 Amoco Corporation Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid

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US5527957A (en) 1996-06-18
EP0722927A1 (en) 1996-07-24
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US5563293A (en) 1996-10-08
DE69214859D1 (de) 1996-12-05
US5877346A (en) 1999-03-02
RU2106337C1 (ru) 1998-03-10
GB9104776D0 (en) 1991-04-17
EG19876A (en) 1996-06-30
EP0502628B1 (en) 1996-10-30
KR100225371B1 (ko) 1999-10-15
CA2062063C (en) 2002-07-09
DE69230569D1 (de) 2000-02-17
EP0754673B1 (en) 2000-01-12
CN1067977C (zh) 2001-07-04
SG66231A1 (en) 1999-10-19
DE69214859T2 (de) 1997-02-27
EP0502628A2 (en) 1992-09-09
CN1150945A (zh) 1997-06-04
ID19108A (id) 1998-06-18
EP0754673A1 (en) 1997-01-22
EP0502628A3 (en) 1993-01-27
CN1038409C (zh) 1998-05-20
CN1064676A (zh) 1992-09-23
US5679846A (en) 1997-10-21
CA2062063A1 (en) 1992-09-08
DE69230569T2 (de) 2000-07-27
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MX9200997A (es) 1992-10-01
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