FR1518775A - Colonne d'extraction pour polyamides granulés - Google Patents

Colonne d'extraction pour polyamides granulés

Info

Publication number
FR1518775A
FR1518775A FR92561A FR92561A FR1518775A FR 1518775 A FR1518775 A FR 1518775A FR 92561 A FR92561 A FR 92561A FR 92561 A FR92561 A FR 92561A FR 1518775 A FR1518775 A FR 1518775A
Authority
FR
France
Prior art keywords
polyamides
granulated
extraction column
extraction
column
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
FR92561A
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.)
Vickers Zimmer AG
Original Assignee
Vickers Zimmer 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 Vickers Zimmer AG filed Critical Vickers Zimmer AG
Priority to FR92561A priority Critical patent/FR1518775A/fr
Application granted granted Critical
Publication of FR1518775A publication Critical patent/FR1518775A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/15—Dissolving comprising constructions for blocking or redispersing undissolved solids, e.g. sieves, separators or guiding constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/50—Elements used for separating or keeping undissolved material in the mixer
    • B01F21/502—Baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/002—Counter-current extraction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR92561A 1966-04-06 1967-01-26 Colonne d'extraction pour polyamides granulés Expired FR1518775A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR92561A FR1518775A (fr) 1966-04-06 1967-01-26 Colonne d'extraction pour polyamides granulés

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DEV0012157 1966-04-06
DEZ0012157 1966-04-06
FR92561A FR1518775A (fr) 1966-04-06 1967-01-26 Colonne d'extraction pour polyamides granulés
US61669867A 1967-02-16 1967-02-16
US73362468A 1968-05-31 1968-05-31

Publications (1)

Publication Number Publication Date
FR1518775A true FR1518775A (fr) 1968-03-29

Family

ID=27512324

Family Applications (1)

Application Number Title Priority Date Filing Date
FR92561A Expired FR1518775A (fr) 1966-04-06 1967-01-26 Colonne d'extraction pour polyamides granulés

Country Status (1)

Country Link
FR (1) FR1518775A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413595A1 (fr) * 2002-10-23 2004-04-28 Atofina Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement à l'eau
US7468405B2 (en) 2002-10-23 2008-12-23 Atofina Increase in the melting point and the enthalpy of melting of polyamides by a water treatment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1413595A1 (fr) * 2002-10-23 2004-04-28 Atofina Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement à l'eau
FR2846333A1 (fr) * 2002-10-23 2004-04-30 Atofina Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement a l'eau
US7468405B2 (en) 2002-10-23 2008-12-23 Atofina Increase in the melting point and the enthalpy of melting of polyamides by a water treatment

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