CA2328389A1 - Device and procedure for separating liquid products from a suspension produced by a fischer-tropsch reactor and in the presence of a diluent - Google Patents

Device and procedure for separating liquid products from a suspension produced by a fischer-tropsch reactor and in the presence of a diluent Download PDF

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Publication number
CA2328389A1
CA2328389A1 CA002328389A CA2328389A CA2328389A1 CA 2328389 A1 CA2328389 A1 CA 2328389A1 CA 002328389 A CA002328389 A CA 002328389A CA 2328389 A CA2328389 A CA 2328389A CA 2328389 A1 CA2328389 A1 CA 2328389A1
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CA
Canada
Prior art keywords
fischer
separation
suspension
tropsch
diluent
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.)
Granted
Application number
CA002328389A
Other languages
French (fr)
Other versions
CA2328389C (en
Inventor
Eric Lenglet
Jean-Christophe Viguie
Jean-Marc Schweitzer
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.)
IFP Energies Nouvelles IFPEN
Agip Petroli SpA
Eni SpA
Original Assignee
IFP Energies Nouvelles IFPEN
Agip Petroli SpA
Eni SpA
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Publication date
Application filed by IFP Energies Nouvelles IFPEN, Agip Petroli SpA, Eni SpA filed Critical IFP Energies Nouvelles IFPEN
Publication of CA2328389A1 publication Critical patent/CA2328389A1/en
Application granted granted Critical
Publication of CA2328389C publication Critical patent/CA2328389C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
    • C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
    • C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
    • C10G2/34—Apparatus, reactors
    • C10G2/342—Apparatus, reactors with moving solid catalysts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/042—Breaking emulsions by changing the temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/04—Breaking emulsions
    • B01D17/047—Breaking emulsions with separation aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2494—Feed or discharge mechanisms for settling tanks provided with means for the removal of gas, e.g. noxious gas, air
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/0055—Separating solid material from the gas/liquid stream using cyclones
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/005—Separating solid material from the gas/liquid stream
    • B01J8/006—Separating solid material from the gas/liquid stream by filtration
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
    • B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
    • B01J8/224—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement
    • B01J8/228—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid the particles being subject to a circulatory movement externally, i.e. the particles leaving the vessel and subsequently re-entering it

Abstract

L'invention concerne un procédé de séparation de produits liquides à partir d'une suspension issue d'un réacteur Fischer-Tropsch et contenant au moins un catalyseur Fischer-Tropsch, ainsi qu'un dispositif de séparation desdits produits liquides comprenant: ~ Au moins un moyen (4) permettant d'extraire d'un réacteur Fischer-Tropsch, une partie d'une suspension contenant au moins un catalyseur Fischer-Tropsch, ~ Au moins un moyen (27) permettant d'ajouter un diluant à tout ou partie de la suspension extraite via le ou les moyens) (4), ~ Au moins un moyen de séparation primaire (29) muni d'au moins un moyen (28 ) permettant d'amener tout ou partie de la suspension diluée vers ledit ou lesdits moyens de séparation, d'au moins un moyen (33) permettant de recueillir le liquide séparé, et d'au moins un moyen (30) permettant de recueillir une suspension plus concentrée, ~ Au moins un moyen de séparation secondaire (34) permettant de séparer puis recueillir via au moins un moyen (36) un liquide essentiellement épuré.</SDO AB>The invention relates to a method for separating liquid products from a suspension from a Fischer-Tropsch reactor and containing at least one Fischer-Tropsch catalyst, as well as a device for separating said liquid products comprising: ~ At least a means (4) for extracting from a Fischer-Tropsch reactor, part of a suspension containing at least one Fischer-Tropsch catalyst, ~ At least one means (27) for adding a diluent to all or part of the suspension extracted via the means or means) (4), ~ At least one primary separation means (29) provided with at least one means (28) making it possible to bring all or part of the diluted suspension towards said at least one separation means, at least one means (33) for collecting the separated liquid, and at least one means (30) for collecting a more concentrated suspension, ~ At least one secondary separation means (34) for to separate and then collect via at least one means in (36) an essentially purified liquid. </ SDO AB>

Claims (13)

1. Dispositif de séparation de produits liquides à partir d'une suspension contenant un catalyseur Fischer-Tropsch comprenant:

~ Au moins un moyen (4) permettant d'extraire d'un réacteur Fischer-Tropsch, une partie d'une suspension contenant au moins un catalyseur Fischer-Tropsch, ~ Au moins un moyen (27) permettant d'ajouter un diluant à tout ou partie de la suspension extraite via le ou les moyen(s) (4), ~ Au moins un moyen de séparation primaire (29) muni d'au moins un moyen (28) permettant d'amener tout ou partie de la suspension diluée vers ledit ou lesdits moyens de séparation, d'au moins un moyen (33) permettant de recueillir le liquide séparé, et d'au moins un moyen (30) permettant de recueillir une suspension plus concentrée, ~ Au moins un moyen de séparation secondaire (34) permettant de séparer puis recueillir via au moins un moyen (36) un liquide essentiellement épuré.
~ Au moins un moyen (11) de condensation du gaz issu du réacteur Fischer-Tropsch.

~ Au moins un moyen (13) de séparation de la phase aqueuse, de la phase organique liquide contenant des hydrocarbures, et éventuellement du gaz non condensé.

et dans lequel le diluant est constitué par ladite phase organique liquide. 1. Device for separating liquid products from a suspension containing a Fischer-Tropsch catalyst comprising:

~ At least one means (4) for extracting from a Fischer-Tropsch reactor, a part of a suspension containing at least one Fischer-Tropsch catalyst, ~ At least one means (27) for adding a diluent to all or part of the suspension extracted via the means (s) (4), ~ At least one primary separation means (29) provided with at least one means (28) allowing all or part of the diluted suspension to be brought to said or said separation means, at least one means (33) for collecting the separate liquid, and at least one means (30) for collecting a more concentrated suspension, ~ At least one secondary separation means (34) for separating and then collect via at least one means (36) an essentially purified liquid.
~ At least one means (11) for condensing the gas from the Fischer reactor-Tropsch.

~ At least one means (13) for separating the aqueous phase from the phase organic liquid containing hydrocarbons, and possibly gas not condensed.

and wherein the diluent is constituted by said liquid organic phase. 2. Dispositif selon la revendication 1 comprenant en outre au moins un moyen (23,25) de stabilisation de ladite phase organique liquide. 2. Device according to claim 1 further comprising at least one means (23.25) for stabilizing said liquid organic phase. 3. Dispositif selon la revendication 1 ou 2 comprenant en outre au moins un moyen de séparation (6) du gaz contenu dans la suspension sortant du réacteur Fischer-Tropsch par le moyen (4). 3. Device according to claim 1 or 2 further comprising at least one means separation (6) of the gas contained in the suspension leaving the Fischer reactor-Tropsch by means (4). 4. Dispositif selon la revendication 3 dans lequel ledit moyen est situé entre le réacteur Fischer-Tropsch (2) et le moyen de séparation primaire (29). 4. Device according to claim 3 wherein said means is located between the reactor Fischer-Tropsch (2) and the primary separation means (29). 5. Dispositif selon la revendication 1 ou 2 comprenant deux moyens permettant d'envoyer la suspension sortant du réacteur Fischer-Tropsch par le moyen (4) vers la séparation primaire (29):
~ Une conduite (9) qui débouche dans la conduite (28) après ajout de diluant via la conduite (27), ~ Une-conduite (8) dans laquelle aucun diluant n'est ajouté. 5. Device according to claim 1 or 2 comprising two means allowing to send the suspension leaving the Fischer-Tropsch reactor by means (4) around the primary separation (29):
~ A pipe (9) which opens into the pipe (28) after addition of diluent via the driving (27), ~ A-pipe (8) in which no diluent is added. 6. Dispositif selon la revendication 1 ou 2 comprenant en outre une pompe (31) permettant de renvoyer vers le réacteur Fischer-Tropsch (2) la suspension concentrée issue de la séparation primaire (29). 6. Device according to claim 1 or 2 further comprising a pump (31) allowing the suspension to be returned to the Fischer-Tropsch reactor (2) concentrate from primary separation (29). 7. Procédé de séparation de produits liquides à partir d'une suspension contenant un catalyseur Fischer-Tropsch, ledit procédé comprenant au moins les étapes suivantes:
a1) Prélèvement dans un réacteur Fischer-Tropsch, opérant avec au moins un catalyseur Fischer-Tropsch en suspension dans une phase liquide, d'une partie de la suspension contenant ledit catalyseur.
a3) Condensation et séparation d'une coupe hydrocarbonée constituée par les composés entraînés par tension de vapeur dans les effluents gazeux du réacteur Fischer-Tropsch.
b) Mélange de la suspension prélevée à l'étape a1 avec une autre coupe d'hydrocarbures appelée diluant.
c) Séparation primaire d'au moins une partie de la suspension diluée à l'étape b, au moyen d'au moins une technique de séparation, afin de produire un liquide présentant une teneur en solide inférieure à 5 % poids.
d) Séparation secondaire du liquide obtenu à l'étape c et de l'essentiel du solide résiduel qu'il contient, à l'aide d'au moins une technique de séparation.
et dans lequel, le diluant est constitué par les composés hydrocarbonés issus de l'étape a3. 7. Process for the separation of liquid products from a suspension containing a Fischer-Tropsch catalyst, said process comprising at least the steps following:
a1) Sampling in a Fischer-Tropsch reactor, operating with at least one Fischer-Tropsch catalyst suspended in a liquid phase, of a part of the suspension containing said catalyst.
a3) Condensation and separation of a hydrocarbon fraction constituted by the compounds entrained by vapor pressure in the gaseous effluents of the Fischer-Tropsch reactor.
b) Mixing the suspension taken in step a1 with another cut of hydrocarbons called diluent.
c) Primary separation of at least part of the diluted suspension in step b, using at least one separation technique to produce a liquid having a solid content of less than 5% by weight.
d) Secondary separation of the liquid obtained in step c from the main part of the solid residual it contains, using at least one separation technique.
and in which, the diluent consists of the hydrocarbon compounds derived of step a3. 8. Procédé selon la revendication 7 comprenant en outre avant l'étape b), une étape a2 de dégazage de la suspension prélevée à l'étape a1. 8. The method of claim 7 further comprising before step b), a step a2 for degassing the suspension taken in step a1. 9. Procédé selon l'une quelconque des revendications 7 ou 8 dans laquelle au moins 80% en poids des hydrocarbures de la coupe utilisée comme diluant sont des hydrocarbures C3 à C22. 9. Method according to any one of claims 7 or 8 wherein at less 80% by weight of the hydrocarbons in the cut used as diluent are hydrocarbons C3 to C22. 10. Procédé selon la revendication 1 dans laquelle la coupe obtenue est réchauffée et stabilisée par élimination des composés trop volatils. 10. The method of claim 1 wherein the cut obtained is warmed up and stabilized by elimination of excessively volatile compounds. 11. Procédé selon l'une quelconque des revendications 7 à 10 dans lequel la technique de séparation primaire de l'étape c est choisie dans le groupe constitué par :
la filtration, la décantation, la séparation par hydrocyclone, et la séparation centrifuge. 11. Method according to any one of claims 7 to 10 wherein the technical of primary separation from step c is chosen from the group consisting of:
the filtration, decantation, hydrocyclone separation, and separation centrifugal. 12. Procédé selon l'une quelconque des revendications 7 à 11 dans lequel la technique de séparation secondaire de l'étape d est choisie dans le groupe constitué par : la filtration, la séparation centrifuge et la séparation magnétique. 12. Method according to any one of claims 7 to 11 wherein the technical of secondary separation from step d is chosen from the group consisting of : the filtration, centrifugal separation and magnetic separation. 13. Procédé selon l'une quelconque des revendications 7 à 12 dans lequel la suspension est séparée en deux fractions dont une seule est mélangée avec le diluant. 13. Method according to any one of claims 7 to 12 wherein the suspension is separated into two fractions of which only one is mixed with the diluent.
CA002328389A 1999-12-22 2000-12-19 Device and procedure for separating liquid products from a suspension produced by a fischer-tropsch reactor and in the presence of a diluent Expired - Fee Related CA2328389C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9916318A FR2802828B1 (en) 1999-12-22 1999-12-22 DEVICE AND METHOD FOR SEPARATING LIQUID PRODUCTS FROM A SUSPENSION FROM A FISCHER-TROPSCH REACTOR AND IN THE PRESENCE OF A THINNER
FR9916318 1999-12-22

Publications (2)

Publication Number Publication Date
CA2328389A1 true CA2328389A1 (en) 2001-06-22
CA2328389C CA2328389C (en) 2009-11-24

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CA002328389A Expired - Fee Related CA2328389C (en) 1999-12-22 2000-12-19 Device and procedure for separating liquid products from a suspension produced by a fischer-tropsch reactor and in the presence of a diluent

Country Status (6)

Country Link
CA (1) CA2328389C (en)
FR (1) FR2802828B1 (en)
IT (1) IT1320133B1 (en)
NL (1) NL1016936C2 (en)
NO (1) NO330365B1 (en)
ZA (1) ZA200007693B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2922464B1 (en) * 2007-10-18 2010-06-04 Inst Francais Du Petrole DEVICE FOR SEPARATING A FINALLY DIVIDED SOLID IN SUSPENSION IN A VISCOUS LIQUID
US8389585B2 (en) * 2009-02-13 2013-03-05 Exxonmobil Research And Engineering Company Slurry reactor fines segregation and removal
FR2991991B1 (en) * 2012-06-18 2014-06-13 IFP Energies Nouvelles PROCESS FOR SYNTHESIZING HYDROCARBONS FROM SYNTHESIS GAS WITH EXTERNAL LOOP TEMPERATURE CONTROL
FR2998812B1 (en) 2012-12-05 2014-11-21 IFP Energies Nouvelles ADDITIVE INJECTION IN A HYDROCARBON SYNTHESIS UNIT FROM SYNTHESIS GAS FOR CONTROLLING AND MAINTAINING HOMOGENEOUS CATALYST CONCENTRATION

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605678A (en) * 1984-03-12 1986-08-12 Mobil Oil Corporation Separation of catalyst from slurry bubble column wax and catalyst recycle
US5827903A (en) * 1996-01-31 1998-10-27 The United States Of America As Represented By The Department Of Energy Separation of catalyst from Fischer-Tropsch slurry
US5900159A (en) * 1996-02-29 1999-05-04 Shell Oil Company Method for separating liquid from a slurry
ITMI980865A1 (en) * 1998-04-23 1999-10-23 Eniricerche S P A Ora Enitecno PROCEDURE FOR THE PREPARATION OF HYDROCARBONS FROM SYNTHESIS GAS

Also Published As

Publication number Publication date
IT1320133B1 (en) 2003-11-18
NO20006518L (en) 2001-06-25
NO20006518D0 (en) 2000-12-20
NL1016936C2 (en) 2004-08-10
FR2802828B1 (en) 2002-05-03
NL1016936A1 (en) 2001-06-25
CA2328389C (en) 2009-11-24
ZA200007693B (en) 2002-06-20
NO330365B1 (en) 2011-04-04
FR2802828A1 (en) 2001-06-29
ITMI20002783A1 (en) 2002-06-21

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