EP1725706B1 - Procede pour mettre en suspension et introduire des substances solides dans des processus haute pression - Google Patents

Procede pour mettre en suspension et introduire des substances solides dans des processus haute pression Download PDF

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Publication number
EP1725706B1
EP1725706B1 EP05735864A EP05735864A EP1725706B1 EP 1725706 B1 EP1725706 B1 EP 1725706B1 EP 05735864 A EP05735864 A EP 05735864A EP 05735864 A EP05735864 A EP 05735864A EP 1725706 B1 EP1725706 B1 EP 1725706B1
Authority
EP
European Patent Office
Prior art keywords
suspension
pressure
fluid
vessel
process according
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.)
Not-in-force
Application number
EP05735864A
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German (de)
English (en)
Other versions
EP1725706A2 (fr
Inventor
Peter NÜNNERICH
Heribert Dierkes
Michael Bork
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.)
Uhde High Pressure Technologies GmbH
Original Assignee
Uhde High Pressure Technologies GmbH
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 Uhde High Pressure Technologies GmbH filed Critical Uhde High Pressure Technologies GmbH
Priority to PL05735864T priority Critical patent/PL1725706T3/pl
Priority to SI200531554T priority patent/SI1725706T1/sl
Publication of EP1725706A2 publication Critical patent/EP1725706A2/fr
Application granted granted Critical
Publication of EP1725706B1 publication Critical patent/EP1725706B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/94—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dyes dissolved in solvents which are in the supercritical state
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
    • D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation

Definitions

  • a process for suspending and introducing a solid into a high pressure process, such as dye pigments in a high pressure process, in which a supercritical fluid is used as the process medium and a pressure of over 150 bar is described.
  • the suspension of the solid is carried out in a completely separated suspension process at low pressure.
  • the solid is suspended in a non-critical and liquefied gas or partially dissolved.
  • the pressure in this suspension process is less than 90% of the critical pressure of the liquefied gas.
  • the entry of the suspension in the high pressure process by means of a pump.
  • solids can be introduced into a high pressure process.
  • the solids are introduced into a sluice, a storage tank or similar device, which are then flooded with a process medium, the solid then being entrained in the high pressure process.
  • DE 199 28 405 is directed to a process for dyeing a textile substrate in at least one supercritical fluid, which discloses a dosing process which divides the dye-dyeing amount required for dyeing into a plurality of batches and exposes each dye fraction alone to the supercritical fluid until dissolved or dispersed.
  • the disclosed device provides an oscillating and two-sided piston, which is guided transversely to and through the process line of the critical fluid. This piston takes in one end position in a first bore solid and in the other end position is this first hole in the main flow of the critical fluid, so that there the solid is washed out of the hole, parallel is at the other end of the piston a second bore in reverse Sequence filled or emptied.
  • a disadvantage of the in DE 199 28 405 presented method and the device disclosed for this purpose is that the device must be designed and dimensioned for the same pressures as the main process. Furthermore, supercritical gas is trapped in the emptied and located in the main flow bore and guided into the filling position, so that here either the same or a higher pressure must be present or each time a relaxation takes place, which hinder the fast filling would. Another critical factor is certainly driving over a high-pressure seal with bores guided by the piston. Damage to the sealing material and thus Dichturigsprobête can be expected here after short periods of use.
  • WO 97/13915 is a very common entry method for solids in the supercritical process described.
  • the dye is provided in a dye formulation vessel which is located in a bypass to the main process.
  • the corresponding valves are opened and entrained the solid by means of a partial volume flow of the main process fluid.
  • a constant metering or targeted control of the colorant supply is therefore not possible, since the liquid-liquid mixture is diluted by the inflowing process fluid.
  • all components of this by-pass method must meet the pressure and temperature requirements of the main process.
  • the object of the invention was therefore to provide a suspension and Feststoffeintrag snake available which operates independently of the cycle of the high pressure process and more economical than the methods of the prior art.
  • the invention solves the problem by means of a method for suspending and introducing a granular, granular or pulverulent solid into a high-pressure process in which substantially a supercritical fluid is present as the process medium.
  • the method represents a suspension stage of the high-pressure process and the fluid is passed through a suspension container and a device for liquid circulation as well as supply and discharge lines.
  • the suspension container in a first step is filled with a solid and a fluid, wherein the fluid used is a liquefied gas which is in a non-critical state.
  • the solid is suspended in the fluid by means of a fluid circulation device and kept in suspension.
  • the liquid circulation device is ideally configured as a stirrer or as a pump arranged outside of the suspension container, which is connected via a suction and a pressure line to the suspension container and promotes a subset of the suspension continuously in a circle.
  • the pressure in the suspension stage is advantageously less than 90% of the critical pressure of the gas used and is ideally less than 60 bar.
  • the temperature is adjusted such that a gaseous phase is present above the liquid phase.
  • the suspension is conveyed by means of a pump into the high-pressure process.
  • a pump into the high-pressure process.
  • the pressure in the suspension vessel is kept substantially stable during the introduction of the suspension into the high-pressure process by the supply of solids-free gas.
  • the device for liquid circulation is a stirrer arranged in the container.
  • the device for liquid circulation may be a pump which is connected via a suction and a pressure line to the suspension container and a subset of the suspension is pumped by means of this pump continuously in a circle.
  • the fluid used for the suspension is substantially chemically identical to the process medium of the high-pressure process.
  • substances are added to the fluid.
  • These substances are, for example, cyclic and short-chain acyclic hydrocarbons or short-chain alcohols, aldehydes or ketones, and H 2 O and mixtures of these aforementioned substances.
  • the pressure in the suspension vessel is kept constant during the introduction of the suspension in the high-pressure process by conveying fluid in gaseous state.
  • the suspension In the promotion of the suspension in the high-pressure process, the suspension is kept stable in an embodiment of the invention continuously by the liquid circulation device.
  • the volume flow and thus the concentration of the solid in the fluid are set in a constant or variable over the delivery rate of the pump can be.
  • the concentration in the suspension container is substantially constant during the emptying, since the nachge deviste fluid is not liquid, but is gaseous.
  • the solid is a substance to be dissolved in the high-pressure process, such as, for example, pulp particles, adhesion promoters. Bleaching agents, flavors, odors or mixtures thereof.
  • an advantage of the invention is the fact that the solid is not dissolved as in the prior art, but only suspended and the specific solubility of the respective starting materials need not be met in the suspension stage. Rather, these substances dissolve in the introduction into the large volume flow of the main process due to the high concentration gradient directly.
  • an advantageous embodiment of the invention is that the Suspenstonsstrom is set in the introduction into the high-pressure process such that the ratio of the volume flows of suspension to the high-pressure process medium is less than 1:50 and ideally equal to or less than 1: 100.
  • the very low suspension flow in relation to the main process volume flow has a generally negligible physical influence on the main process.
  • FIG. 1 shows the suspension process with a pump as fluid circulation unit and FIG. 2 the method with a stirrer without external circulation.
  • the suspension process 1 which is connected via the conduit 6 with the high-pressure process 4, from the Suspensionsbenzofter 2 and the pump 3 is formed.
  • the suspension vessel 2 is filled via the conduit 7 with liquefied gas and via the conduit 8 with the solid.
  • a liquid volume 2a and a gas volume 2b As in Fig. 1 indicated, formed in the suspension vessel 2, a liquid volume 2a and a gas volume 2b.
  • the suspension When emptying the suspension container 2, the suspension is conveyed via the conduit 5 into the high-pressure process 4 via the conduit 5 by means of the pump 3. It can be seen that only the pump 3 and the pressure side of the pump, namely the conduit 6, have to be designed for the same pressures as the high-pressure process 4. The remaining components of the suspension process need only meet the requirements of pressures up to about 60 bar.
  • Fig. 2 is a further embodiment of the method to recognize, wherein in the suspension vessel 2, a stirrer 13 is arranged, by means of which the suspension is generated and kept stable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Pipeline Systems (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Claims (11)

  1. Procédé concernant la suspension et l'introduction d'une matière solide se présentant sous forme de granulés, de grains ou de poudre dans un processus haute pression (4), dans lequel existe pour l'essentiel un fluide surcritique en tant que fluide de processus, le processus représentant un niveau de suspension du processus haute pression (4) et le fluide étant conduit à travers une cuve de suspension (2) et un dispositif de recirculation du liquide (9) ainsi que des conduites d'alimentation et d'évacuation,
    - la matière solide et un fluide étant remplis dans la cuve de suspension (2) dans une première phase, le fluide étant un gaz liquéfié,
    - la matière solide étant ensuite mise en suspension et maintenue en suspension dans le fluide au moyen du dispositif de recirculation du liquide (9),
    - la suspension étant envoyée dans une dernière phase dans le processus haute pression (4) au moyen d'une pompe (3),
    caractérisé en ce que
    - la pression dans la phase de suspension est inférieure à 90% de la pression critique du fluide de processus et de préférence inférieure à 60 bars, une phase gazeuse (2b) existant au-dessus de la phase liquide (2a) dans la cuve de suspension (2).
  2. Procédé selon la revendication 1, caractérisé en ce que la pression dans la cuve de suspension (2) est maintenue stable pour l'essentiel lors de l'introduction de la suspension dans le processus haute pression (4) par l'alimentation de gaz exempt de matière solide.
  3. Procédé selon une des revendications 1 ou 2, caractérisé en ce que le dispositif de recirculation du liquide est un agitateur (13) ordonné dans la cuve.
  4. Procédé selon une des revendications 1 ou 2, caractérisé en ce que le dispositif de recirculation du liquide est une pompe (9) qui est reliée à la cuve de suspension (2) par l'intermédiaire d'une conduite d'aspiration (10) et de refoulement (11) et qu'une quantité partielle de la suspension est pompée continuellement dans le circuit au moyen de cette pompe (9).
  5. Procédé selon une des revendications 1 à 4, caractérisé en ce que le fluide dans la phase de suspension est chimiquement essentiellement identique au fluide de processus haute pression (4).
  6. Procédé selon une des revendications 1 à 5, caractérisé en ce que d'autres matières non solides sont mélangées au fluide, telles que par exemple de l'H2O ou des hydrocarbures cycliques ou acycliques à chaînes courtes ou encore des alcools, aldéhydes ou cétones à chaînes courtes ainsi que des mélanges de ces matières.
  7. Procédé selon une des revendications 1 à 6, caractérisé en ce que pour maintenir la pression dans la cuve de suspension (2) pendant l'introduction de la suspension dans le processus haute pression (4), un fluide est introduit ultérieurement sous forme gazeuse.
  8. Procédé selon une des revendications 1 à 7, caractérisé en ce que lors de l'amenée de la suspension dans le processus haute pression (4), la suspension est maintenue stable sans interruption par le dispositif de recirculation du liquide (9).
  9. Procédé selon une des revendications 1 à 8, caractérisé en ce que la matière solide à alimenter est une matière qui se dissout dans le processus haute pression (4), telle que des particules de matière solide, des agents d'accrochage, des agents de blanchiment, des arômes, des substances odorantes ou des mélanges de ces matières.
  10. Procédé selon une des revendications 1 à 9, caractérisé en ce que l'introduction de la suspension dans le processus haute pression (4) a lieu continuellement pendant la période de vidage de la cuve (2), le débit-volume pouvant être réglé avec une valeur constante ou variable, la concentration dans la cuve de suspension (2) étant constante pour l'essentiel.
  11. Procédé selon une des revendications 1 à 10, caractérisé en ce que lors de l'introduction de la suspension dans le processus haute pression (4) le rapport des débits-volumes entre la suspension et le fluide du processus haute pression est inférieur à 1 à 50 et de manière idéale égal ou inférieur à 1 à 100.
EP05735864A 2004-03-17 2005-03-16 Procede pour mettre en suspension et introduire des substances solides dans des processus haute pression Not-in-force EP1725706B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL05735864T PL1725706T3 (pl) 2004-03-17 2005-03-16 Sposób przeprowadzania w zawiesinę i wprowadzania substancji stałych do procesu wysokociśnieniowego
SI200531554T SI1725706T1 (sl) 2004-03-17 2005-03-16 Postopek za odmerjanje in vpeljevanje trdne snovi v visokotlaäśni postopek

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004013338A DE102004013338A1 (de) 2004-03-17 2004-03-17 Verfahren zur Suspendierung und Einspeisung von Feststoffen in einen Hochdruckprozeß
PCT/DE2005/000491 WO2005090667A2 (fr) 2004-03-17 2005-03-16 Procede pour mettre en suspension et introduire des substances solides dans des processus haute pression

Publications (2)

Publication Number Publication Date
EP1725706A2 EP1725706A2 (fr) 2006-11-29
EP1725706B1 true EP1725706B1 (fr) 2012-05-02

Family

ID=34972410

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05735864A Not-in-force EP1725706B1 (fr) 2004-03-17 2005-03-16 Procede pour mettre en suspension et introduire des substances solides dans des processus haute pression

Country Status (18)

Country Link
US (1) US20080034509A1 (fr)
EP (1) EP1725706B1 (fr)
JP (1) JP4917532B2 (fr)
KR (1) KR101337155B1 (fr)
CN (1) CN101001988B (fr)
AT (1) ATE556168T1 (fr)
AU (1) AU2005224953A1 (fr)
CA (1) CA2559316A1 (fr)
DE (2) DE102004013338A1 (fr)
ES (1) ES2386358T3 (fr)
MA (1) MA28511B1 (fr)
PL (1) PL1725706T3 (fr)
PT (1) PT1725706E (fr)
RU (1) RU2353722C2 (fr)
SI (1) SI1725706T1 (fr)
UA (1) UA83735C2 (fr)
WO (1) WO2005090667A2 (fr)
ZA (1) ZA200607729B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020127889A2 (fr) 2017-12-22 2020-06-25 Uhde High Pressure Technologies Gmbh Dispositif et procédé pour le traitement haute pression en continu de produits en vrac et utilisation

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013338A1 (de) 2004-03-17 2005-10-06 Uhde High Pressure Technologies Gmbh Verfahren zur Suspendierung und Einspeisung von Feststoffen in einen Hochdruckprozeß
CN104032603A (zh) * 2014-05-16 2014-09-10 江苏美罗家用纺织品有限公司 无水低能耗新型染色工艺
US11291931B2 (en) 2014-12-15 2022-04-05 Akadeum Life Sciences, Inc. Method and system for buoyant separation
JP7189314B2 (ja) 2018-07-09 2022-12-13 アカデューム ライフ サイエンセズ，インコーポレイテッド 浮遊性粒子を処理するシステムおよび方法
WO2023028329A1 (fr) 2021-08-26 2023-03-02 Akadeum Life Sciences, Inc. Procédé et système pour séparation flottante

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DE3608742A1 (de) * 1986-03-15 1987-09-17 Mtm Obermaier Gmbh & Co Kg Verfahren zum faerben von tier-, pflanzen- oder kunststoffasern
IT1197070B (it) * 1986-08-06 1988-11-25 Foscama Biomed Chim Farma Procedimento ed impianto per la produzione in continuo di fruttosio-1,6-difosfato mediante utilizzazione di lievito di birra immobilizzato
US5308648A (en) * 1992-09-30 1994-05-03 Union Carbide Chemicals & Plastics Technology Corporation Spray application of plastics additives to polymers
DE19631603A1 (de) * 1995-10-06 1997-04-10 Amann & Soehne Verfahren zum Färben eines textilen Substrates
PL181383B1 (pl) * 1995-10-16 2001-07-31 Krupp Uhde Gmbh Sposób farbowania podlozy tekstylnych, zwlaszcza konfekcjonowanych w postaci nawojów przedzy lub zwijek pasm materialu, za pomoca plynunadkrytycznego PL PL PL PL PL
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US5938794A (en) * 1996-12-04 1999-08-17 Amann & Sohne Gmbh & Co. Method for the dyeing of yarn from a supercritical fluid
JPH10192670A (ja) * 1996-12-27 1998-07-28 Inoue Seisakusho:Kk 超臨界状態を用いた分散方法及び分散装置
US6039470A (en) * 1997-03-24 2000-03-21 Conwell; Allyn B. Particulate mixing system
JP3645417B2 (ja) * 1998-04-08 2005-05-11 三菱化学株式会社 液体の移送方法
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US6261326B1 (en) * 2000-01-13 2001-07-17 North Carolina State University Method for introducing dyes and other chemicals into a textile treatment system
US6621326B1 (en) * 2000-10-26 2003-09-16 Altera Corporation P-channel negative pumps
DE102004013338A1 (de) 2004-03-17 2005-10-06 Uhde High Pressure Technologies Gmbh Verfahren zur Suspendierung und Einspeisung von Feststoffen in einen Hochdruckprozeß

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020127889A2 (fr) 2017-12-22 2020-06-25 Uhde High Pressure Technologies Gmbh Dispositif et procédé pour le traitement haute pression en continu de produits en vrac et utilisation
WO2020127957A2 (fr) 2017-12-22 2020-06-25 Uhde High Pressure Technologies Gmbh Dispositif et procédé pour le traitement haute pression en continu de produits en vrac et utilisation
US11612831B2 (en) 2017-12-22 2023-03-28 Uhde High Pressure Technologies Gmbh Device and method for the high-pressure treatment of bulk material by extraction and/or impregnation and use
US11980832B2 (en) 2017-12-22 2024-05-14 Uhde High Pressure Technologies Gmbh Device and method for the continuous high-pressure treatment of bulk material and use thereof

Also Published As

Publication number Publication date
PL1725706T3 (pl) 2012-10-31
AU2005224953A1 (en) 2005-09-29
WO2005090667A2 (fr) 2005-09-29
JP4917532B2 (ja) 2012-04-18
RU2353722C2 (ru) 2009-04-27
SI1725706T1 (sl) 2012-10-30
ES2386358T3 (es) 2012-08-17
UA83735C2 (ru) 2008-08-11
KR20070005623A (ko) 2007-01-10
ATE556168T1 (de) 2012-05-15
DE102004013338A1 (de) 2005-10-06
CN101001988A (zh) 2007-07-18
CA2559316A1 (fr) 2005-09-29
WO2005090667A3 (fr) 2005-11-24
US20080034509A1 (en) 2008-02-14
RU2006136418A (ru) 2008-04-27
JP2007529692A (ja) 2007-10-25
DE112005001140A5 (de) 2007-05-24
EP1725706A2 (fr) 2006-11-29
CN101001988B (zh) 2010-05-26
ZA200607729B (en) 2008-06-25
MA28511B1 (fr) 2007-04-03
PT1725706E (pt) 2012-07-23
KR101337155B1 (ko) 2013-12-05

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