DE1242212B - Verfahren zur Abscheidung von Isophthalsaeure aus an Isophthalsaeure und Terephthalsaeure heiss gesaettigter Loesung - Google Patents

Verfahren zur Abscheidung von Isophthalsaeure aus an Isophthalsaeure und Terephthalsaeure heiss gesaettigter Loesung

Info

Publication number
DE1242212B
DE1242212B DEST14557A DEST014557A DE1242212B DE 1242212 B DE1242212 B DE 1242212B DE ST14557 A DEST14557 A DE ST14557A DE ST014557 A DEST014557 A DE ST014557A DE 1242212 B DE1242212 B DE 1242212B
Authority
DE
Germany
Prior art keywords
isophthalic acid
acid
terephthalic acid
solution
crystals
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DEST14557A
Other languages
German (de)
English (en)
Inventor
Charles Albert Spiller Jun
Russell Victor Malo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of DE1242212B publication Critical patent/DE1242212B/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEST14557A 1957-12-11 1958-12-11 Verfahren zur Abscheidung von Isophthalsaeure aus an Isophthalsaeure und Terephthalsaeure heiss gesaettigter Loesung Pending DE1242212B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1223366XA 1957-12-11 1957-12-11

Publications (1)

Publication Number Publication Date
DE1242212B true DE1242212B (de) 1967-06-15

Family

ID=22402118

Family Applications (1)

Application Number Title Priority Date Filing Date
DEST14557A Pending DE1242212B (de) 1957-12-11 1958-12-11 Verfahren zur Abscheidung von Isophthalsaeure aus an Isophthalsaeure und Terephthalsaeure heiss gesaettigter Loesung

Country Status (4)

Country Link
BE (1) BE573797A (zh)
DE (1) DE1242212B (zh)
FR (1) FR1223366A (zh)
NL (1) NL104822C (zh)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006125129A1 (en) * 2005-05-19 2006-11-23 Eastman Chemical Company An enriched isophthalic acid composition
WO2008010785A2 (en) * 2005-05-19 2008-01-24 Eastman Chemical Company A 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
US7855305B2 (en) 2005-05-19 2010-12-21 Eastman Chemical Company Process to produce an enriched composition
US7880031B2 (en) 2005-05-19 2011-02-01 Eastman Chemical Company Process to produce an enrichment feed
US7884233B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Enriched terephthalic acid composition
US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
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

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7855305B2 (en) 2005-05-19 2010-12-21 Eastman Chemical Company Process to produce an enriched composition
WO2006125129A1 (en) * 2005-05-19 2006-11-23 Eastman Chemical Company An enriched isophthalic acid composition
WO2008010785A2 (en) * 2005-05-19 2008-01-24 Eastman Chemical Company A process to enrich a carboxylic acid composition
WO2008010785A3 (en) * 2005-05-19 2008-07-10 Eastman Chem Co A process to enrich a 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
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
US8053597B2 (en) 2005-05-19 2011-11-08 Grupo Petrotemex, S.A. De C.V. Enriched terephthalic acid composition
US7884231B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Process to produce an enriched composition
US7884233B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Enriched terephthalic acid composition
US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
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
US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition

Also Published As

Publication number Publication date
NL104822C (zh)
BE573797A (zh)
FR1223366A (fr) 1960-06-16

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