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WO1999065600A1 - Procede de formulation de particules - Google Patents

Procede de formulation de particules Download PDF

Info

Publication number
WO1999065600A1
WO1999065600A1 PCT/NO1999/000172 NO9900172W WO9965600A1 WO 1999065600 A1 WO1999065600 A1 WO 1999065600A1 NO 9900172 W NO9900172 W NO 9900172W WO 9965600 A1 WO9965600 A1 WO 9965600A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
solution
inert
formulating
medium
Prior art date
Application number
PCT/NO1999/000172
Other languages
English (en)
Inventor
Ola Jonassen
Ingvald STRØMMEN
Per Arne Schieflo
Odilio Alves-Filho
Original Assignee
Leiv Eiriksson Nyfotek As
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 Leiv Eiriksson Nyfotek As filed Critical Leiv Eiriksson Nyfotek As
Priority to US09/701,551 priority Critical patent/US6363743B1/en
Priority to CA002333995A priority patent/CA2333995C/fr
Priority to AU41746/99A priority patent/AU4174699A/en
Priority to JP2000554470A priority patent/JP2002518155A/ja
Priority to EP99925481A priority patent/EP1091799A1/fr
Publication of WO1999065600A1 publication Critical patent/WO1999065600A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/003—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic followed by coating of the granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops

Definitions

  • the present invention is related to a method for formulating particles from solutions for processing in a fluid bed.
  • the method according to the invention may be utilized to produce frozen fluidable particles of solutions thereby using an inert medium in such a way that the solutions may be dried in a fluidized drying chamber.
  • the inert medium as such is disappearing by supplication during drying or already during the formulation of the particles.
  • the method also may be utilized for particle formation if the need for further processing is not drying, but may be performed in a fluid bed.
  • the solution to be dried is cooled down to the initial freezing point. Thereafter the solution is mixed with the inert medium under pressure, thereafter to be expanded to compact, frozen particles comprising the inert medium as well as the solution in a frozen state.
  • the fluidable particles may be produced from the inert medium which thereafter is covered by the solution.
  • the particles normally are produced in a size of 0,5 to 5 mm.
  • the inert medium to be sublimized during drying or expansion can be for example be N 2 , C0 2 or such.
  • Equipment necessary for forming the method may be constructed for batch or continuous operation whether two components are mixed in a pressurised container.
  • the pressurised container should have valve for expansion of the mixture to particle shape. This is performed in a cold room in such a way that the particles do not melt.
  • the mixing relation as well as the pressure in the container and thereby also the temperature of the expanded particles, are adjusted in such a way that the desired density is achieved for the particles.
  • the desired density is desired partly based on the fluidising properties of the particles in the following drying chambers and the defined claims for the dried end product.
  • the clean inert particles initially are produced in an equipment corresponding with the equipment described above, or in another way, for example by granulation.
  • the particles are covered with the solution which already is undercooled to the initial freezing point.
  • the thickness and the initial temperature of the layer for the clean inert particles have to be adjusted to ensure that melting is avoided.
  • Addition of the layer may be performed in an ordinary industrial equipment for this purpose in a batch or continuous production process.
  • the equipment is arranged in a cold room.
  • the following drying is performed in a normal fluidized drying chamber having a lower temperature than the lowest melting temperature of the particles.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Solid Materials (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

L'invention concerne un procédé de formulation de particules à partir de solutions, lequel procédé consiste à refroidir la solution jusqu'au point de congélation initial, à mélanger la solution sous pression avec un milieu inerte, en vue de dilater la solution de manière à obtenir des particules congelées solides fluidisables renfermant le milieu inerte et la solution sous forme congelée.
PCT/NO1999/000172 1998-06-02 1999-06-01 Procede de formulation de particules WO1999065600A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US09/701,551 US6363743B1 (en) 1998-06-02 1999-06-01 Method for formulating particles
CA002333995A CA2333995C (fr) 1998-06-02 1999-06-01 Procede de formulation de particules
AU41746/99A AU4174699A (en) 1998-06-02 1999-06-01 A method for formulating particles
JP2000554470A JP2002518155A (ja) 1998-06-02 1999-06-01 粒子の作製方法
EP99925481A EP1091799A1 (fr) 1998-06-02 1999-06-01 Procede de formulation de particules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO19982501A NO311164B1 (no) 1998-06-02 1998-06-02 Fremgangsmåte for frysetörking av lösninger
NO19982501 1998-06-02

Publications (1)

Publication Number Publication Date
WO1999065600A1 true WO1999065600A1 (fr) 1999-12-23

Family

ID=19902098

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO1999/000172 WO1999065600A1 (fr) 1998-06-02 1999-06-01 Procede de formulation de particules

Country Status (6)

Country Link
EP (1) EP1091799A1 (fr)
JP (1) JP2002518155A (fr)
AU (1) AU4174699A (fr)
CA (1) CA2333995C (fr)
NO (1) NO311164B1 (fr)
WO (1) WO1999065600A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004078187A1 (fr) * 2003-03-06 2004-09-16 Sinvent As Produit a base de plasma sanguin seche

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073158A (en) * 1974-11-07 1978-02-14 Jacques Guiller Apparatus for freezing small drops of liquid
GB1559920A (en) * 1976-12-30 1980-01-30 Boehringer Mannheim Gmbh Process and device for the production of frozen granulates
FR2396248B1 (fr) * 1977-06-30 1980-03-14 Guiller Jacques
EP0478118A1 (fr) * 1990-08-31 1992-04-01 Taiyo Sanso Co., Ltd. Appareil de fabrication de particules congelées
RU2023319C1 (ru) * 1991-05-05 1994-11-15 Московская государственная академия химического машиностроения Способ получения мелкодисперсных порошковых материалов
WO1995022036A1 (fr) * 1994-02-09 1995-08-17 Kinerton Limited Procede de recuperation par sechage d'une matiere en solution
WO1996019922A1 (fr) * 1994-12-23 1996-07-04 Tetra Laval Holdings & Finance Procede et dispositif de refroidissement d'un liquide pouvant etre pompe, charge ou non de particules
FR2756196A1 (fr) * 1996-11-25 1998-05-29 Air Liquide Procede et dispositif de fabrication de granulats

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073158A (en) * 1974-11-07 1978-02-14 Jacques Guiller Apparatus for freezing small drops of liquid
GB1559920A (en) * 1976-12-30 1980-01-30 Boehringer Mannheim Gmbh Process and device for the production of frozen granulates
FR2396248B1 (fr) * 1977-06-30 1980-03-14 Guiller Jacques
EP0478118A1 (fr) * 1990-08-31 1992-04-01 Taiyo Sanso Co., Ltd. Appareil de fabrication de particules congelées
RU2023319C1 (ru) * 1991-05-05 1994-11-15 Московская государственная академия химического машиностроения Способ получения мелкодисперсных порошковых материалов
WO1995022036A1 (fr) * 1994-02-09 1995-08-17 Kinerton Limited Procede de recuperation par sechage d'une matiere en solution
WO1996019922A1 (fr) * 1994-12-23 1996-07-04 Tetra Laval Holdings & Finance Procede et dispositif de refroidissement d'un liquide pouvant etre pompe, charge ou non de particules
FR2756196A1 (fr) * 1996-11-25 1998-05-29 Air Liquide Procede et dispositif de fabrication de granulats

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199526, Derwent World Patents Index; AN 1995-198965 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004078187A1 (fr) * 2003-03-06 2004-09-16 Sinvent As Produit a base de plasma sanguin seche

Also Published As

Publication number Publication date
NO982501L (no) 1999-12-03
NO982501D0 (no) 1998-06-02
NO311164B1 (no) 2001-10-22
JP2002518155A (ja) 2002-06-25
CA2333995C (fr) 2009-01-13
CA2333995A1 (fr) 1999-12-23
EP1091799A1 (fr) 2001-04-18
AU4174699A (en) 2000-01-05

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