ES396996A1 - Procedimiento para la purificacion de acidos bencenocarbo- xilicos y esteres de acidos bencenocarboxilicos. - Google Patents

Procedimiento para la purificacion de acidos bencenocarbo- xilicos y esteres de acidos bencenocarboxilicos.

Info

Publication number
ES396996A1
ES396996A1 ES396996A ES396996A ES396996A1 ES 396996 A1 ES396996 A1 ES 396996A1 ES 396996 A ES396996 A ES 396996A ES 396996 A ES396996 A ES 396996A ES 396996 A1 ES396996 A1 ES 396996A1
Authority
ES
Spain
Prior art keywords
growth
stage
crystallization
solvent
supersaturation
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.)
Expired
Application number
ES396996A
Other languages
English (en)
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel 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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of ES396996A1 publication Critical patent/ES396996A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES396996A 1970-11-14 1971-11-13 Procedimiento para la purificacion de acidos bencenocarbo- xilicos y esteres de acidos bencenocarboxilicos. Expired ES396996A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2056149A DE2056149C3 (de) 1970-11-14 1970-11-14 Verfahren zur Reinigung von Dimethylterephthalat

Publications (1)

Publication Number Publication Date
ES396996A1 true ES396996A1 (es) 1974-06-16

Family

ID=5788131

Family Applications (1)

Application Number Title Priority Date Filing Date
ES396996A Expired ES396996A1 (es) 1970-11-14 1971-11-13 Procedimiento para la purificacion de acidos bencenocarbo- xilicos y esteres de acidos bencenocarboxilicos.

Country Status (16)

Country Link
US (1) US3836573A (es)
AR (1) AR193048A1 (es)
BE (1) BE774491A (es)
BG (1) BG19126A3 (es)
BR (1) BR7107596D0 (es)
CS (1) CS178402B2 (es)
DE (1) DE2056149C3 (es)
ES (1) ES396996A1 (es)
FR (1) FR2114605A5 (es)
GB (1) GB1376452A (es)
IT (1) IT944909B (es)
NL (1) NL7115585A (es)
PL (1) PL81410B1 (es)
RO (1) RO58758A (es)
SU (1) SU420165A3 (es)
ZA (1) ZA717624B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3430555A1 (de) * 1984-08-20 1986-02-27 Hoechst Ag, 6230 Frankfurt Verfahren zur abtrennung von dimethylisophthalat und dimethylorthophthalat aus ihrem gemisch mit dimethylterephthalat
US4720570A (en) * 1986-03-14 1988-01-19 Celanese Corporation Rate of crystallizing diphenylisophthalate/diphenylterephthalate monomer
US5654470A (en) * 1995-08-11 1997-08-05 Eastman Kodak Company Recovery of components from polyester resins
CN1658936A (zh) * 2002-04-02 2005-08-24 纳幕尔杜邦公司 生长晶体中使用的装置和方法
CN117924075B (zh) * 2024-03-20 2024-06-21 泰兴市福昌环保科技有限公司 一种pta氧化残渣回收分离ta料工艺及其过滤分离装置

Also Published As

Publication number Publication date
CS178402B2 (es) 1977-09-15
GB1376452A (en) 1974-12-04
BE774491A (fr) 1972-02-14
PL81410B1 (es) 1975-08-30
NL7115585A (es) 1972-05-16
BG19126A3 (es) 1975-04-30
SU420165A3 (ru) 1974-03-15
FR2114605A5 (es) 1972-06-30
BR7107596D0 (pt) 1973-04-10
IT944909B (it) 1973-04-20
DE2056149A1 (es) 1972-05-25
ZA717624B (en) 1972-08-30
AR193048A1 (es) 1973-03-30
DE2056149C3 (de) 1979-01-04
RO58758A (es) 1976-01-15
US3836573A (en) 1974-09-17
DE2056149B2 (de) 1978-05-03

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