NL6606774A - - Google Patents

Info

Publication number
NL6606774A
NL6606774A NL6606774A NL6606774A NL6606774A NL 6606774 A NL6606774 A NL 6606774A NL 6606774 A NL6606774 A NL 6606774A NL 6606774 A NL6606774 A NL 6606774A NL 6606774 A NL6606774 A NL 6606774A
Authority
NL
Netherlands
Application number
NL6606774A
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 filed Critical
Publication of NL6606774A publication Critical patent/NL6606774A/xx

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
    • C07C51/42—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

Landscapes

  • 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)
NL6606774A 1965-05-17 1966-05-17 NL6606774A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45621965A 1965-05-17 1965-05-17
US56400266A 1966-07-11 1966-07-11

Publications (1)

Publication Number Publication Date
NL6606774A true NL6606774A (de) 1966-11-18

Family

ID=27038158

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6606774A NL6606774A (de) 1965-05-17 1966-05-17

Country Status (2)

Country Link
US (1) US3452088A (de)
NL (1) NL6606774A (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862218A (en) * 1968-02-15 1975-01-21 Celanese Corp Purification of terephthalic acid by thermal treatment
US3887613A (en) * 1968-02-15 1975-06-03 Celanese Corp Thermal purification of terephthalic acid using group I-B, II-B, VIII catalysts
JPS5328421B2 (de) * 1973-05-15 1978-08-15
US4380662A (en) * 1981-03-16 1983-04-19 Labofina, S.A. Process for the purification of terephthalic acid
US4500732A (en) * 1983-09-15 1985-02-19 Standard Oil Company (Indiana) Process for removal and recycle of p-toluic acid from terephthalic acid crystallizer solvent
GB9102393D0 (en) * 1991-02-05 1991-03-20 Ici Plc Production of terephthalic acid
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US5840965A (en) * 1996-06-24 1998-11-24 E. I. Du Pont De Nemours And Company Process for the production of purified telephthalic acid
US7485747B2 (en) * 2001-06-04 2009-02-03 Eastman Chemical Company Two stage oxidation process for the production of aromatic dicarboxylic acids
US6689903B2 (en) * 2001-06-04 2004-02-10 Eastman Chemical Company Crystallization method for production of purified aromatic dicarboxylic acids
US7196215B2 (en) * 2001-06-04 2007-03-27 Eastman Chemical Company Process for the production of purified terephthalic acid
JP2003128625A (ja) * 2001-10-23 2003-05-08 Kobe Steel Ltd 高純度ナフタレンジカルボン酸の製法
DE10206168A1 (de) * 2002-02-14 2003-08-21 Guehring Joerg Kupplung für mudular aufgebaute Werkzeughalterarme
US20040215036A1 (en) * 2003-04-25 2004-10-28 Robert Lin Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7608733B2 (en) * 2004-09-02 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7482482B2 (en) * 2004-09-02 2009-01-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7495125B2 (en) * 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7399882B2 (en) * 2004-09-02 2008-07-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) * 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) * 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) * 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) * 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7608732B2 (en) * 2005-03-08 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) * 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) * 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7586000B2 (en) * 2004-09-02 2009-09-08 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
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) * 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7563926B2 (en) * 2004-09-02 2009-07-21 Eastman Chemical Company Optimized liquid-phase oxidation
US20060047153A1 (en) * 2004-09-02 2006-03-02 Wonders Alan G Optimized liquid-phase oxidation
US7390921B2 (en) * 2004-09-02 2008-06-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7371894B2 (en) 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) * 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US20060264662A1 (en) * 2005-05-19 2006-11-23 Gibson Philip E Esterification of an enriched 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
US20060264664A1 (en) * 2005-05-19 2006-11-23 Parker Kenny R Esterification of an exchange solvent enriched composition
US7834208B2 (en) * 2005-05-19 2010-11-16 Eastman Chemical Company Process to produce a post catalyst removal composition
US7741516B2 (en) 2005-05-19 2010-06-22 Eastman Chemical Company Process to enrich a carboxylic acid composition
US7432395B2 (en) * 2005-05-19 2008-10-07 Eastman Chemical Company Enriched carboxylic acid composition
US20060264656A1 (en) * 2005-05-19 2006-11-23 Fujitsu Limited Enrichment process using compounds useful in a polyester process
US7304178B2 (en) * 2005-05-19 2007-12-04 Eastman Chemical Company Enriched isophthalic acid composition
US7880031B2 (en) * 2005-05-19 2011-02-01 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
US7557243B2 (en) * 2005-05-19 2009-07-07 Eastman Chemical Company Enriched terephthalic acid composition
US7897809B2 (en) * 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
US7884232B2 (en) * 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
US20070155987A1 (en) * 2006-01-04 2007-07-05 O'meadhra Ruairi S Oxidative digestion with optimized agitation
US7358389B2 (en) 2006-01-04 2008-04-15 Eastman Chemical Company Oxidation system employing internal structure for enhanced hydrodynamics
US7355068B2 (en) * 2006-01-04 2008-04-08 Eastman Chemical Company Oxidation system with internal secondary reactor
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for oxidative digestion
US7816556B2 (en) * 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
US7888529B2 (en) * 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US7393973B2 (en) * 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
US7326808B2 (en) * 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
US20070208194A1 (en) * 2006-03-01 2007-09-06 Woodruff Thomas E Oxidation system with sidedraw secondary reactor
US7772424B2 (en) * 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion
US7501537B2 (en) * 2006-03-01 2009-03-10 Eastman Chemical Company Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange
MY148951A (en) * 2006-05-08 2013-06-14 Mitsubishi Gas Chemical Co Method of crystallization
TW201823193A (zh) * 2016-12-29 2018-07-01 美商Ｂｐ公司北美股份有限公司 經純化的對苯二甲酸(pta)排氣孔乾燥器蒸氣流出物處理技術

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545511A (de) *
US2848488A (en) * 1954-05-18 1958-08-19 Richfield Oil Corp Crystallization of phthalic acids
US2894985A (en) * 1955-11-21 1959-07-14 Richfield Oil Corp Purification of toluic acid

Also Published As

Publication number Publication date
US3452088A (en) 1969-06-24

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