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WO2010091769A1 - Procédé de production d'une dispersion et dispositif associé - Google Patents

Procédé de production d'une dispersion et dispositif associé Download PDF

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Publication number
WO2010091769A1
WO2010091769A1 PCT/EP2010/000260 EP2010000260W WO2010091769A1 WO 2010091769 A1 WO2010091769 A1 WO 2010091769A1 EP 2010000260 W EP2010000260 W EP 2010000260W WO 2010091769 A1 WO2010091769 A1 WO 2010091769A1
Authority
WO
WIPO (PCT)
Prior art keywords
volume flow
substance
working fluid
dispersion
nozzle
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.)
Ceased
Application number
PCT/EP2010/000260
Other languages
German (de)
English (en)
Inventor
Heike Schuchmann
Karsten Köhler
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.)
Karlsruher Institut fuer Technologie KIT
Original Assignee
Karlsruher Institut fuer Technologie KIT
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 Karlsruher Institut fuer Technologie KIT filed Critical Karlsruher Institut fuer Technologie KIT
Priority to EP10701099A priority Critical patent/EP2396108A1/fr
Publication of WO2010091769A1 publication Critical patent/WO2010091769A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/48—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids
    • B01F23/482—Mixing liquids with liquids; Emulsifying characterised by the nature of the liquids using molten solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B01F23/711—Heating materials, e.g. melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/80—After-treatment of the mixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/80—After-treatment of the mixture
    • B01F23/802—Cooling the mixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/105—Mixing heads, i.e. compact mixing units or modules, using mixing valves for feeding and mixing at least two components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/41—Emulsifying
    • B01F23/414—Emulsifying characterised by the internal structure of the emulsion
    • B01F23/4146—Emulsions including solid particles, e.g. as solution or dispersion, i.e. molten material or material dissolved in a solvent or dispersed in a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/30—Micromixers
    • B01F33/301—Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions
    • B01F33/3011—Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions using a sheathing stream of a fluid surrounding a central stream of a different fluid, e.g. for reducing the cross-section of the central stream or to produce droplets from the central stream

Definitions

  • the melt of the substance, so the first volume flow over the at least one Homogenmaschinesdüse brought or reasons of high melting temperatures to protect the high-pressure pumps via the line with lower pressure with the second, the working fluid-containing volume flow are mixed, in this case by the Homogenizing is performed.
  • one or more jets of the second working fluid may be directed at an angle greater than 1 ° and less than or equal to 180 ° to the mouth of the at least one homogenizing nozzle, with an angle of approximately 90 ° being particularly advantageous has proved.
  • the dispersion may contain a method step for concentrating the particles.
  • known steps of filtration or ultrafiltration can take place.
  • the particles can be isolated in powder form.
  • reagents for better redispersion can be dosed accordingly.
  • the pump 7 is a high-pressure pump, while the pump 8 due to the higher cross-section and possibly higher number of lines 12, 13 must provide a lower pressure.
  • the molten substance is transferred into individual droplets, which are cooled by the working fluid below the melting point and particles be solidified.
  • the working fluid further separates and stabilizes the particles and forms with them the dispersion draining off the effluent.
  • FIG. 2 shows schematically the premix process of the preparation of the dispersion
  • FIG. 5 shows the case, inverse to the method of FIG. 4, of a method for producing the dispersion 15 by means of two phases.
  • the melt of the cloth 19 is dosed at a low pressure while the working fluid 17 is pressed by the homogenizing nozzle 11. Due to the high flow velocity is a turbulent mixing of the melt of the substance 19, the one Emulsification of the substance 19 to small droplets 20 with a cooling and solidification of the result, whereby the dispersion 15 is formed.
  • the advantage of this method, apart from the use of the melt without working fluid, is a protection of the high-pressure pump in front of the homogenizing nozzle 11.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Colloid Chemistry (AREA)

Abstract

L'invention concerne un procédé et un dispositif de dispersion de matières au moyen d'une fusion et d'une émulsification de la matière. A cet effet, une matière est fondue dans un premier flux volumique (2) par une élévation de la température au-delà de son point de fusion. Un second flux volumique (3) contenant un fluide actif à une température inférieure à la température de fusion est mélangé en turbulence au premier flux volumique, de façon à former à partir de la matière des gouttelettes qui sont refroidies et dispersées sous forme de particules par le second flux volumique (3). Le fluide actif et les particules forment alors la dispersion. Il n'est pas nécessaire d'utiliser des agents émulsifiants pour stabiliser l'émulsion.
PCT/EP2010/000260 2009-02-16 2010-01-19 Procédé de production d'une dispersion et dispositif associé Ceased WO2010091769A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10701099A EP2396108A1 (fr) 2009-02-16 2010-01-19 Procédé de production d'une dispersion et dispositif associé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009009060A DE102009009060B3 (de) 2009-02-16 2009-02-16 Verfahren zur Herstellung einer Dispersion und Vorrichtung hierzu
DE102009009060.6 2009-02-16

Publications (1)

Publication Number Publication Date
WO2010091769A1 true WO2010091769A1 (fr) 2010-08-19

Family

ID=42040314

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/000260 Ceased WO2010091769A1 (fr) 2009-02-16 2010-01-19 Procédé de production d'une dispersion et dispositif associé

Country Status (3)

Country Link
EP (1) EP2396108A1 (fr)
DE (1) DE102009009060B3 (fr)
WO (1) WO2010091769A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887130A (en) * 1973-09-20 1975-06-03 Occidental Petroleum Canada Sulfur pelletizing
US4087498A (en) * 1975-10-31 1978-05-02 Union Oil Company Of California Method of producing sulfur particles
EP0221465A2 (fr) * 1985-10-31 1987-05-13 Henkel Kommanditgesellschaft auf Aktien Procédé de préparation de dispersions nacrées
EP0399266A2 (fr) 1989-05-20 1990-11-28 Bayer Ag Préparaton de dispersiones sphérique par cristallisation d'émulsiones
DE4329446A1 (de) 1993-09-01 1995-03-02 Basf Ag Verfahren zur Herstellung von feinteiligen Farb- oder Wirkstoffzubereitungen
WO2004076050A2 (fr) * 2003-02-28 2004-09-10 Central Research Institute Of Electric Power Industry Procédé et appareil de production de particules fines
DE102007014916A1 (de) * 2007-03-26 2008-10-02 Evonik Degussa Gmbh Verfahren und Vorrichtung zum Hochdruckdispergieren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10048797A1 (de) * 2000-10-02 2002-04-18 Bayer Ag Wirkstoffhaltige Emulsionen
WO2008031780A2 (fr) * 2006-09-13 2008-03-20 Basf Se Procédé pour produire des dispersions à fines particules

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887130A (en) * 1973-09-20 1975-06-03 Occidental Petroleum Canada Sulfur pelletizing
US4087498A (en) * 1975-10-31 1978-05-02 Union Oil Company Of California Method of producing sulfur particles
EP0221465A2 (fr) * 1985-10-31 1987-05-13 Henkel Kommanditgesellschaft auf Aktien Procédé de préparation de dispersions nacrées
EP0399266A2 (fr) 1989-05-20 1990-11-28 Bayer Ag Préparaton de dispersiones sphérique par cristallisation d'émulsiones
DE4329446A1 (de) 1993-09-01 1995-03-02 Basf Ag Verfahren zur Herstellung von feinteiligen Farb- oder Wirkstoffzubereitungen
WO2004076050A2 (fr) * 2003-02-28 2004-09-10 Central Research Institute Of Electric Power Industry Procédé et appareil de production de particules fines
DE102007014916A1 (de) * 2007-03-26 2008-10-02 Evonik Degussa Gmbh Verfahren und Vorrichtung zum Hochdruckdispergieren

Also Published As

Publication number Publication date
DE102009009060B3 (de) 2010-05-12
EP2396108A1 (fr) 2011-12-21

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