BE774491A - Procede de purification d'acides benzene-carboxyliques et de leurs esters - Google Patents

Procede de purification d'acides benzene-carboxyliques et de leurs esters

Info

Publication number
BE774491A
BE774491A BE774491A BE774491A BE774491A BE 774491 A BE774491 A BE 774491A BE 774491 A BE774491 A BE 774491A BE 774491 A BE774491 A BE 774491A BE 774491 A BE774491 A BE 774491A
Authority
BE
Belgium
Prior art keywords
esters
carboxylic acids
purifying benzene
purifying
benzene
Prior art date
Application number
BE774491A
Other languages
English (en)
French (fr)
Inventor
G Schreiber
H Schroder
W Hoppe
E Hadamovsky
H-W Ovenhausen
B Piotrowski
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 BE774491A publication Critical patent/BE774491A/xx

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)
BE774491A 1970-11-14 1971-10-26 Procede de purification d'acides benzene-carboxyliques et de leurs esters BE774491A (fr)

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
BE774491A true BE774491A (fr) 1972-02-14

Family

ID=5788131

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774491A BE774491A (fr) 1970-11-14 1971-10-26 Procede de purification d'acides benzene-carboxyliques et de leurs esters

Country Status (16)

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

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 (sv) 1977-09-15
GB1376452A (en) 1974-12-04
PL81410B1 (sv) 1975-08-30
NL7115585A (sv) 1972-05-16
BG19126A3 (sv) 1975-04-30
SU420165A3 (ru) 1974-03-15
FR2114605A5 (sv) 1972-06-30
BR7107596D0 (pt) 1973-04-10
IT944909B (it) 1973-04-20
DE2056149A1 (sv) 1972-05-25
ZA717624B (en) 1972-08-30
AR193048A1 (es) 1973-03-30
ES396996A1 (es) 1974-06-16
DE2056149C3 (de) 1979-01-04
RO58758A (sv) 1976-01-15
US3836573A (en) 1974-09-17
DE2056149B2 (de) 1978-05-03

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