FR2953914A1 - Method for separating mixture of main components of carbon dioxide, involves providing refrigeration part for process by refrigerating circuit, where refrigerating circuit circulates mixed cooling agent to cool exchanger - Google Patents
Method for separating mixture of main components of carbon dioxide, involves providing refrigeration part for process by refrigerating circuit, where refrigerating circuit circulates mixed cooling agent to cool exchanger Download PDFInfo
- Publication number
- FR2953914A1 FR2953914A1 FR0958995A FR0958995A FR2953914A1 FR 2953914 A1 FR2953914 A1 FR 2953914A1 FR 0958995 A FR0958995 A FR 0958995A FR 0958995 A FR0958995 A FR 0958995A FR 2953914 A1 FR2953914 A1 FR 2953914A1
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- France
- Prior art keywords
- exchanger
- pump
- gas
- mixture
- liquid
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0266—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/02—Processes or apparatus using separation by rectification in a single pressure main column system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/70—Flue or combustion exhaust gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/80—Separating impurities from carbon dioxide, e.g. H2O or water-soluble contaminants
- F25J2220/82—Separating low boiling, i.e. more volatile components, e.g. He, H2, CO, Air gases, CH4
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
- F25J2230/30—Compression of the feed stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/80—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being carbon dioxide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
- F25J2260/80—Integration in an installation using carbon dioxide, e.g. for EOR, sequestration, refrigeration etc.
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
- F25J2270/06—Internal refrigeration with work-producing gas expansion loop with multiple gas expansion loops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/12—External refrigeration with liquid vaporising loop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2270/00—Refrigeration techniques used
- F25J2270/66—Closed external refrigeration cycle with multi component refrigerant [MCR], e.g. mixture of hydrocarbons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Abstract
Description
La présente invention s'applique aux procédés et aux appareils de séparation et/ou purification de dioxyde de carbone. Ces procédés peuvent être, par exemple, dédiés soit à de la séquestration, de l'EOR (Enhanced Oil Recovery), ou toute autre application dédiée à la réduction des émissions de dioxyde de carbone. The present invention is applicable to methods and apparatus for separating and / or purifying carbon dioxide. These methods can be, for example, dedicated either to sequestration, EOR (Enhanced Oil Recovery), or any other application dedicated to the reduction of carbon dioxide emissions.
Les unités de séparation et purification de dioxyde de carbone comprennent généralement les étapes suivantes, dans l'ordre : The separation and purification units of carbon dioxide generally comprise the following steps, in the order:
• prétraitement du gaz à traiter consistant à ôter totalement ou partiellement les impuretés (SON, NON, Hg, H2O, ...) • pretreatment of the gas to be treated consisting of totally or partially removing the impurities (SON, NO, Hg, H2O, ...)
io ^ compression du gaz à traiter compression of the gas to be treated
• séparation et purification du gaz à traiter afin d'en ôter les lourds (NO2, SO2,...), ou les légers (02, N2, Ar, CH4, H2, NO, ...) soit par condensation partielle et/ou par distillation. • separation and purification of the gas to be treated in order to remove the heavy (NO2, SO2, ...), or the light ones (02, N2, Ar, CH4, H2, NO, ...) either by partial condensation and or by distillation.
• vaporisation du CO2 ainsi produit à des différents niveaux de 15 pression afin d'assurer le bilan thermique de l'unité Vaporization of the CO2 thus produced at different pressure levels in order to ensure the heat balance of the unit
• compression des différentes fractions de CO2 ainsi obtenu par un compresseur de produit afin de l'emmener à sa pression finale. Dans certains cas une pompe peut être utilisée pour monter la pression à des valeurs supérieures à 100 bara, en série avec la compression de produit. Compression of the different CO2 fractions thus obtained by a product compressor in order to take it to its final pressure. In some cases a pump can be used to increase the pressure to values above 100 bara, in series with product compression.
20 Un procédé comprenant ces étapes est décrit dans WO-A-07/126972. A process comprising these steps is described in WO-A-07/126972.
La problématique de ce genre de cycle qui doit traiter un fluide impur, et qui utilise pour assurer le bilan thermique de l'unité un corps pur, est la relative inefficacité énergétique lié au diagramme d'échange. The problem of this kind of cycle which must treat an impure fluid, and which uses to ensure the thermal balance of the unit a pure body, is the relative energy inefficiency linked to the exchange diagram.
Selon un objet de l'invention, il est prévu un procédé de séparation d'un According to an object of the invention, there is provided a method for separating a
25 mélange ayant comme composants principaux du dioxyde de carbone et au moins un autre gaz, dans lequel le mélange se refroidit dans un échangeur et est envoyé à une colonne de distillation où il se sépare pour former un gaz de tête et un liquide de cuve, le liquide de cuve est pressurisé par au moins une pompe et réchauffé dans l'échangeur et vaporisé soit dans l'échangeur soit en A mixture having as main components carbon dioxide and at least one other gas, wherein the mixture cools in an exchanger and is sent to a distillation column where it separates to form an overhead gas and a bottom liquid, the tank liquid is pressurized by at least one pump and heated in the exchanger and vaporized either in the exchanger or in
30 aval de l'échangeur pour former un gaz de production, le gaz de tête est réchauffé dans l'échangeur et détendu dans au moins une turbine et une partie des frigories pour le procédé sont fournies par un circuit frigorifique où circule un réfrigérant mixte afin de refroidir l'échangeur. Downstream of the exchanger to form a production gas, the overhead gas is reheated in the exchanger and expanded in at least one turbine and part of the frigories for the process are provided by a refrigerant circuit circulating a mixed refrigerant so to cool the exchanger.
Eventuellement : Eventually :
- le gaz de tête se détend dans au moins deux turbines connectées en série, étant réchauffé entre les turbines ; - The overhead gas relaxes in at least two turbines connected in series, being heated between the turbines;
- le liquide de cuve après avoir été réchauffé dans l'échangeur est 5 pressurisé par une pompe ; the tank liquid after having been reheated in the exchanger is pressurized by a pump;
- chacun des au moins deux corps du réfrigérant mixte est choisi dans les groupes suivants : each of the at least two bodies of the mixed refrigerant is chosen from the following groups:
a) des hydrocarbures a) hydrocarbons
b) des halogeno-carbonés b) Halogen carbonates
io c) azote, oxygène, argon ou (c) nitrogen, oxygen, argon or
d) CO2, CO, H2 d) CO2, CO, H2
- la pompe en aval de l'échangeur pressurise le liquide de cuve à une pression égale ou supérieure à la pression critique de ce liquide. - The pump downstream of the exchanger pressurizes the vessel liquid at a pressure equal to or greater than the critical pressure of the liquid.
Selon un autre objet de l'invention, il est prévu un appareil de séparation According to another object of the invention, there is provided a separation apparatus
15 d'un mélange ayant comme composants principaux du dioxyde de carbone et au moins un autre gaz, comprenant un échangeur, une colonne de distillation, une conduite pour envoyer le mélange se refroidir dans l'échangeur, une conduite pour envoyé le mélange refroidi à la colonne de distillation, une pompe pour pressuriser le liquide de cuve de la colonne en amont de l'échangeur, une A mixture having as main components carbon dioxide and at least one other gas, comprising an exchanger, a distillation column, a pipe for sending the mixture to cool in the exchanger, a pipe for sending the cooled mixture to the distillation column, a pump for pressurizing the bottom liquid of the column upstream of the exchanger, a
20 conduite pour envoyer le liquide pressurisé de la pompe à l'échangeur, une conduite pour envoyer un gaz de tête à se réchauffer dans l'échangeur, une conduite pour envoyer le gaz de tête réchauffé dans au moins une turbine et un circuit frigorifique où circule un réfrigérant mixte afin de refroidir l'échangeur. 20 conduit for sending the pressurized liquid from the pump to the exchanger, a pipe for sending a head gas to heat up in the exchanger, a pipe for sending the heated head gas into at least one turbine and a cooling circuit where circulates a mixed refrigerant to cool the exchanger.
Eventuellement, l'appareil comprend : Optionally, the apparatus comprises:
25 - au moins deux turbines connectées en série et des moyens pour y envoyer le gaz de tête, les turbines étant reliées à l'échangeur ; At least two turbines connected in series and means for sending the overhead gas, the turbines being connected to the exchanger;
- une deuxième pompe et des moyens pour envoyer le liquide de cuve de l'échangeur à la deuxième pompe. a second pump and means for sending the tank liquid from the exchanger to the second pump.
L'invention consiste à utiliser un fluide adapté à la nature du gaz à traiter The invention consists in using a fluid adapted to the nature of the gas to be treated
30 pour obtenir un diagramme d'échange minimisant les inefficacités, d'y associer une succession de turbines de renvoi pour valoriser l'énergie contenu dans les incondensables, et produire ainsi le CO2 sous pression uniquement par pompe (soit en un seul étage jusqu'à la pression finale, soit par succession de pompes dont une pompe froide amenant le CO2 à une pression supérieure à sa pression critique, mais généralement en dessous de 100 bars, et d'une pompe chaude allant jusqu'à sa pression finale. Ainsi, puisque l'on traite un fluide impur, on assure le bilan thermique de l'unité d'au moyen d'un corps impur. 30 to obtain an exchange diagram minimizing inefficiencies, to associate a succession of return turbines to enhance the energy contained in the incondensables, and thus produce CO2 under pressure only by pump (or in a single stage up to at the final pressure, either by succession of pumps including a cold pump bringing the CO2 to a pressure higher than its critical pressure, but generally below 100 bars, and a hot pump up to its final pressure. since an impure fluid is treated, the thermal balance of the unit is ensured by means of an impure body.
Le fluide utilisé ainsi pour assurer le cycle frigorifique est un réfrigérant mixte, qui peut être constitué d'au moins deux corps purs, chacun des corps pouvant peuvent appartenir à famille : The fluid thus used to ensure the refrigerating cycle is a mixed refrigerant, which may consist of at least two pure bodies, each of which may be of family:
• des hydrocarbures • hydrocarbons
• des halogeno-carbonés • halocarbons
• des gaz de l'air (azote, oxygène, argon) ou io le CO2, CO, H2. • air gases (nitrogen, oxygen, argon) or CO2, CO, H2.
L'avantage de ce type de cycle est une amélioration notable de l'efficacité. The advantage of this type of cycle is a noticeable improvement in efficiency.
Pour un cas étudié, un appareil de séparation et purification de dioxyde de carbone dont le bilan frigorifique était assuré par un fluide pur 'en For a case studied, a device for separating and purifying carbon dioxide whose refrigeration balance was ensured by a pure fluid 'in
15 l'occurrence du CO2) avait une énergie spécifique de 183 kW/t de CO2 produit. L'invention a une énergie spécifique de 150 kW/t de CO2 produit, soit 18 0/0 d'amélioration. The occurrence of CO2) had a specific energy of 183 kW / t of CO2 produced. The invention has a specific energy of 150 kW / t CO2 produced, 18% improvement.
Les diagrammes d'échange ci-dessous illustrent la différence en les deux solutions, la figure 2 illustrant l'échange de chaleur dans l'échangeur pour The exchange diagrams below illustrate the difference in the two solutions, with Figure 2 illustrating the heat exchange in the heat exchanger for
20 l'invention et la figure 3 illustrant l'échange de chaleur dans l'échangeur pour l'art antérieur. The invention and FIG. 3 illustrating the heat exchange in the exchanger for the prior art.
L'invention sera décrite en plus de détail en se référant à la figure 1 qui illustre un appareil de séparation selon l'invention. The invention will be described in more detail with reference to Figure 1 which illustrates a separation apparatus according to the invention.
Un débit 10 contenant principalement du dioxyde de carbone, de l'azote A flow 10 containing mainly carbon dioxide, nitrogen
25 et de l'oxygène est comprimé dans un compresseur 1 et refroidi dans un échangeur de chaleur 3. Le débit refroidi est envoyé en cuve d'une colonne de distillation 4. Ici le débit se sépare pour former un gaz de tête enrichi en oxygène et azote et un débit de cuve enrichi en dioxyde de carbone. Le débit de cuve est pressurisé par une pompe 5 à la pression de production et le 25 and oxygen is compressed in a compressor 1 and cooled in a heat exchanger 3. The cooled flow is sent to the bottom of a distillation column 4. Here the flow separates to form an oxygen-enriched overhead gas and nitrogen and a tank flow enriched in carbon dioxide. The tank flow is pressurized by a pump 5 to the production pressure and the
30 liquide se vaporise dans l'échangeur 3 pour former un produit gazeux riche en dioxyde de carbone 13. Liquid vaporizes in the exchanger 3 to form a gaseous product rich in carbon dioxide 13.
Alternativement la pompe 5 peut être une première pompe qui amène le liquide à une pression supérieure ou égale à sa pression critique mais en dessous de 100 bars, une deuxième pompe 5A étant prévue pour amener le liquide à sa pression élevée d'usage. Alternatively the pump 5 may be a first pump which brings the liquid to a pressure greater than or equal to its critical pressure but below 100 bar, a second pump 5A being provided to bring the liquid to its high pressure of use.
Le gaz de tête se réchauffe également dans l'échangeur 3 pour former un débit réchauffé 11 qui se détend dans une turbine 7 qui entraîne un générateur. Le gaz détendu est réchauffé dans l'échangeur 3 pour former un débit détendu réchauffé 12. Le débit 12 est détendu dans une turbine 6 entraînant un générateur jusqu'à la pression atmosphérique. The overhead gas is also heated in the exchanger 3 to form a heated flow 11 which expands in a turbine 7 which drives a generator. The expanded gas is heated in the exchanger 3 to form a heated expanded flow rate 12. The flow 12 is expanded in a turbine 6 driving a generator to atmospheric pressure.
Les frigories pour le procédé sont produites par cette double détente dans les turbines 6,7 mais aussi par un circuit frigorifique dans lequel se détend The frigories for the process are produced by this double expansion in the turbines 6,7 but also by a cooling circuit in which is relaxed
lo un mélange d'au moins deux corps purs constituant un réfrigérant mixte. Le réfrigérant mixte 15 est comprimé dans un compresseur 2, partiellement refroidi dans la partie plus chaude de l'échangeur 3 pour le liquéfier, détendu dans une vanne 8, envoyé au bout froid de l'échangeur 3, réchauffé jusqu'au bout chaud et renvoyé au compresseur 2. 15 lo a mixture of at least two pure substances constituting a mixed refrigerant. The mixed refrigerant 15 is compressed in a compressor 2, partially cooled in the warmer part of the exchanger 3 to liquefy it, expanded in a valve 8, sent to the cold end of the exchanger 3, heated to the hot end and returned to compressor 2. 15
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0958995A FR2953914A1 (en) | 2009-12-15 | 2009-12-15 | Method for separating mixture of main components of carbon dioxide, involves providing refrigeration part for process by refrigerating circuit, where refrigerating circuit circulates mixed cooling agent to cool exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0958995A FR2953914A1 (en) | 2009-12-15 | 2009-12-15 | Method for separating mixture of main components of carbon dioxide, involves providing refrigeration part for process by refrigerating circuit, where refrigerating circuit circulates mixed cooling agent to cool exchanger |
Publications (1)
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FR2953914A1 true FR2953914A1 (en) | 2011-06-17 |
Family
ID=42476229
Family Applications (1)
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FR0958995A Withdrawn FR2953914A1 (en) | 2009-12-15 | 2009-12-15 | Method for separating mixture of main components of carbon dioxide, involves providing refrigeration part for process by refrigerating circuit, where refrigerating circuit circulates mixed cooling agent to cool exchanger |
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FR (1) | FR2953914A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104662384A (en) * | 2012-09-25 | 2015-05-27 | 乔治洛德方法研究和开发液化空气有限公司 | Method and appliance for separating a mixture containing carbon dioxide by cryogenic distillation |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503910A1 (en) * | 1991-03-15 | 1992-09-16 | Air Products And Chemicals, Inc. | Carbon dioxide and acid gas removal and recovery process for fossil fuel fired power plants |
US6070431A (en) * | 1999-02-02 | 2000-06-06 | Praxair Technology, Inc. | Distillation system for producing carbon dioxide |
US20060107691A1 (en) * | 2004-11-19 | 2006-05-25 | Howard Henry E | Light gas component separation from a carbon dioxide mixture |
US20080196584A1 (en) * | 2007-02-16 | 2008-08-21 | Bao Ha | Process for feed gas cooling in reboiler during co2 separation |
GB2457970A (en) * | 2008-03-01 | 2009-09-02 | Cyril Timmins | Energy conversion process for sequestration of carbon dioxide |
FR2928720A1 (en) * | 2008-03-13 | 2009-09-18 | Inst Francais Du Petrole | Natural gas i.e. strong acid gas, treating method for use in natural gas liquefaction plant, involves introducing liquid fraction in head of distilling column and increasing pressure of liquid for producing pressurized fluid |
-
2009
- 2009-12-15 FR FR0958995A patent/FR2953914A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0503910A1 (en) * | 1991-03-15 | 1992-09-16 | Air Products And Chemicals, Inc. | Carbon dioxide and acid gas removal and recovery process for fossil fuel fired power plants |
US6070431A (en) * | 1999-02-02 | 2000-06-06 | Praxair Technology, Inc. | Distillation system for producing carbon dioxide |
US20060107691A1 (en) * | 2004-11-19 | 2006-05-25 | Howard Henry E | Light gas component separation from a carbon dioxide mixture |
US20080196584A1 (en) * | 2007-02-16 | 2008-08-21 | Bao Ha | Process for feed gas cooling in reboiler during co2 separation |
GB2457970A (en) * | 2008-03-01 | 2009-09-02 | Cyril Timmins | Energy conversion process for sequestration of carbon dioxide |
FR2928720A1 (en) * | 2008-03-13 | 2009-09-18 | Inst Francais Du Petrole | Natural gas i.e. strong acid gas, treating method for use in natural gas liquefaction plant, involves introducing liquid fraction in head of distilling column and increasing pressure of liquid for producing pressurized fluid |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104662384A (en) * | 2012-09-25 | 2015-05-27 | 乔治洛德方法研究和开发液化空气有限公司 | Method and appliance for separating a mixture containing carbon dioxide by cryogenic distillation |
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