WO2010108974A1 - Procédé de fonctionnement d'une centrale électrique à énergie fossile et centrale électrique - Google Patents

Procédé de fonctionnement d'une centrale électrique à énergie fossile et centrale électrique Download PDF

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Publication number
WO2010108974A1
WO2010108974A1 PCT/EP2010/053875 EP2010053875W WO2010108974A1 WO 2010108974 A1 WO2010108974 A1 WO 2010108974A1 EP 2010053875 W EP2010053875 W EP 2010053875W WO 2010108974 A1 WO2010108974 A1 WO 2010108974A1
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WO
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Prior art keywords
power plant
membrane
reaction
carbon dioxide
plant according
Prior art date
Application number
PCT/EP2010/053875
Other languages
German (de)
English (en)
Inventor
Heinrich Zeininger
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2010108974A1 publication Critical patent/WO2010108974A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1213—Laminated layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
    • C01B3/503—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
    • C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
    • C07C29/1516—Multisteps
    • C07C29/1518—Multisteps one step being the formation of initial mixture of carbon oxides and hydrogen for synthesis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
    • C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
    • C07C29/152—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the reactor used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/206—Rare earth metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20761—Copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/16—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/108—Hydrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0405—Purification by membrane separation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/0465—Composition of the impurity
    • C01B2203/0475—Composition of the impurity the impurity being carbon dioxide
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/32—Direct CO2 mitigation
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals

Definitions

  • the invention relates to a device and a method for reducing carbon dioxide emissions in fossil-fueled power plants.
  • Carbon dioxide is a greenhouse gas and is responsible among other things for the global earth warming.
  • Object of the present invention is therefore to provide a method and an apparatus for the separation of carbon dioxide from ei ⁇ nem fossil-powered power plant.
  • Solution of the problem and object of the invention are in the present description, the figure and the claims of ⁇ fenbart.
  • a method for operating a power plant in which the Verga ⁇ tion of the fuel following process step, the exhaust gas from the power plant of a reaction (hereinafter also called “follow-reaction") is subjected, the gaseous Product of this reaction is introduced into a membrane.
  • Au ⁇ ßerdem is the subject of the invention, a power plant for the combustion of fossil fuels, in which in the Ablassoff- the reaction chamber for a subsequent combustion reaction to the actual drying, a membrane is provided.
  • the membrane is a siloxane membrane, more preferably it is a polydimethylsiloxane membrane.
  • the membrane is coupled with a porous catalytically active carrier, for example a mixed oxide layer.
  • a porous catalytically active carrier for example a mixed oxide layer.
  • the mixed oxide layer is a mixture of the following oxides: zinc oxide, aluminum oxide, zirconium oxide, titanium oxide, and further transition metal oxides and / or the oxides of the rare earth group.
  • Precursor chemicals can be implemented.
  • a catalyst for example, copper, platinum, palladium, and others, preferably on the surface finely dispersed precious metals.
  • an asymmetric membrane is used, in which the membrane layer for separating the carbon dioxide on the porous mixed oxide layer is applied.
  • hydrogen plus carbon dioxide is enriched in the permeate from the gas mixture leaving the reaction chamber of the reaction sequence, preferably the CO shift reaction.
  • the temperature of the subsequent reaction is between 200 0 C and 400 0 C, in particular between 230 ° C and 380 ° C and more preferably between 280 0 C and 320 0 C.
  • the exhaust gas from the secondary reaction is at a high pressure, in particular from 25 to 45 bar.
  • the exhaust gas from the reaction chamber of the reaction has a relatively high carbon dioxide content of up to 60%, in particular about 35 to 50%, in particular from 40 to 45% and is therefore very favorable for carbon dioxide separation.
  • the waste gas from the reaction chamber of the follow-up reaction is preferably conducted with a relatively low flow of, for example, about 5 to 20 m 3 / s, in particular of about 10 m 3 / s, which is favorable for passage through a membrane.
  • a relatively low flow of, for example, about 5 to 20 m 3 / s, in particular of about 10 m 3 / s, which is favorable for passage through a membrane.
  • hydrogen is simultaneously separated by the membrane, since it is a Bulk method. This can be done, for example, in an amount of up to 30%.
  • a mixture of carbon dioxide and hydrogen is then held, which offer itself for the reaction of catalysts to products such as methanol and water or other industrial precursor materials directly.
  • the greatest driving force is the already existing pressure difference between feed flow and permeate of> 25, in particular> 30 bar. This reduces the carbon dioxide concentration in the retentate.
  • the relatively low flow allows the large-scale use of membrane technology.
  • the membrane may be made of various plastics that are thermally stable, inert to acid gases and bind carbon dioxide.
  • PI polyimide
  • PDMS polydimethylsiloxanes
  • pebax polyether block amides
  • tissue support materials based on PET (type TH100), PEI and PPS (Freudenberg) are used.
  • the membrane is made of siloxane or a similar synthetically created synthetic material. fabric or a plastic mixture.
  • the polydimethylsiloxane membrane is particularly suitable because it is thermally stable up to about 330 ° C. and inert to the acidic ambient conditions.
  • the selectivity of the Polydimethylsi ⁇ loxanmembran can be increased.
  • the membrane itself is preferably applied to a carrier foil, for example on a metal, plastic, glass or ceramic foil.
  • a catalyst for converting the gases bound through the membrane is preferably provided.
  • a mixed oxide is arranged between the carrier film and the membrane.
  • the mixed oxide will still be doped with a catalyst, so that a mixed oxide catalyst is present.
  • this mixed oxide catalyst is still porous, so that a high surface at which the reaction can take place from the gas phase results.
  • the figure shows a schematic diagram of an asymmetric membrane according to an exemplary embodiment of the invention.
  • On display is an asymmetric membrane for carbon dioxide separation and catalytic conversion of carbon dioxide and hydrogen in methanol.
  • the layer structure of the asymmetric membrane shows the following from bottom to top:
  • the carrier film 1 is shown at the bottom, it is made of metal, ceramic and / or plastic, for example.
  • the Tragerfo ⁇ lie 1 may also be a laminate of different films.
  • a porous mixed oxide catalyst 2 is arranged.
  • the thickness of the mixed oxide catalyst layer is not quite as big as the thickness of the carrier foil.
  • the actual membrane ⁇ layer 3 On the mixed oxide catalyst layer 2 is the actual membrane ⁇ layer 3, whose thickness is for example in the range of 30 to 150 nm, in particular from 50 to 120 nm, in particular less than 100 nm.
  • selectivities of> 10, preferably> 20 are achieved with modified polydimethylsiloxane membranes.
  • the remaining carbon dioxide remains after the condensation of catalytically assisted reaction products as a clean gas. It can be used as desired, for example, liquefied or fed to a further implementation.
  • the hydrogen which is separated off is used as fuel for the production of methanol, and any remnants can later be used to generate energy.
  • methanol hydrogen can be used for example in the fuel cell.
  • Methanol is, so to speak, a "chemical storage" for hydrogen.
  • the remaining carbon dioxide can be used as desired.
  • the invention relates to a device and a method for reducing carbon dioxide emissions in fossil-fueled power plants.
  • the gaseous product is passed through a membrane which absorbs carbon dioxide.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un dispositif et un procédé de réduction d'émission d'oxyde de carbone par des centrales électriques à énergie fossile. Selon l'invention, lors d'une réaction ultérieure à la phase de combustion proprement dite, le produit gazeux est passé à travers une membrane qui absorbe du dioxyde de carbone.
PCT/EP2010/053875 2009-03-26 2010-03-25 Procédé de fonctionnement d'une centrale électrique à énergie fossile et centrale électrique WO2010108974A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009015035.8 2009-03-26
DE102009015035A DE102009015035A1 (de) 2009-03-26 2009-03-26 Verfahren zum Betreiben eines fossilen Kraftwerks und Kraftwerk

Publications (1)

Publication Number Publication Date
WO2010108974A1 true WO2010108974A1 (fr) 2010-09-30

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PCT/EP2010/053875 WO2010108974A1 (fr) 2009-03-26 2010-03-25 Procédé de fonctionnement d'une centrale électrique à énergie fossile et centrale électrique

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Country Link
DE (1) DE102009015035A1 (fr)
WO (1) WO2010108974A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8354262B2 (en) 2010-06-30 2013-01-15 Codexis, Inc. Chemically modified carbonic anhydrases useful in carbon capture systems
US8354261B2 (en) 2010-06-30 2013-01-15 Codexis, Inc. Highly stable β-class carbonic anhydrases useful in carbon capture systems
US8420364B2 (en) 2010-06-30 2013-04-16 Codexis, Inc. Highly stable beta-class carbonic anhydrases useful in carbon capture systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181675A (en) * 1978-09-19 1980-01-01 Monsanto Company Process for methanol production
WO2001080981A1 (fr) * 2000-04-20 2001-11-01 Membrana Mundi Gmbh Separation de melanges fluidiques au moyen de corps de sorption a membranes
WO2009025003A2 (fr) * 2007-08-20 2009-02-26 Ast Engineering S.R.L. Installation modulaire destinée à l'élimination de polluants de gaz de combustion produits par des processus industriels

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DE19817534A1 (de) * 1998-04-16 1999-10-21 Mannesmann Ag Verfahren und Anlage zur Erzeugung elektrischer Energie
US7744675B2 (en) * 2006-11-08 2010-06-29 Shell Oil Company Gas separation membrane comprising a substrate with a layer of coated inorganic oxide particles and an overlayer of a gas-selective material, and its manufacture and use

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US4181675A (en) * 1978-09-19 1980-01-01 Monsanto Company Process for methanol production
WO2001080981A1 (fr) * 2000-04-20 2001-11-01 Membrana Mundi Gmbh Separation de melanges fluidiques au moyen de corps de sorption a membranes
WO2009025003A2 (fr) * 2007-08-20 2009-02-26 Ast Engineering S.R.L. Installation modulaire destinée à l'élimination de polluants de gaz de combustion produits par des processus industriels

Non-Patent Citations (2)

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Title
GALLUCCI F ET AL: "An experimental study of CO2 hydrogenation into methanol involving a zeolite membrane reactor", CHEMICAL ENGINEERING AND PROCESSING, ELSEVIER SEQUOIA, LAUSANNE, CH LNKD- DOI:10.1016/J.CEP.2003.10.005, vol. 43, 1 January 2004 (2004-01-01), pages 1029 - 1036, XP002546298, ISSN: 0255-2701, [retrieved on 20031213] *
RAHIMPOUR M R ET AL: "Enhancement of methanol production in a novel fluidized-bed hydrogen-permselective membrane reactor in the presence of catalyst deactivation", INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, ELSEVIER SCIENCE PUBLISHERS B.V., BARKING, GB LNKD- DOI:10.1016/J.IJHYDENE.2008.12.009, vol. 34, no. 5, 1 March 2009 (2009-03-01), pages 2208 - 2223, XP025988098, ISSN: 0360-3199, [retrieved on 20090204] *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8354262B2 (en) 2010-06-30 2013-01-15 Codexis, Inc. Chemically modified carbonic anhydrases useful in carbon capture systems
US8354261B2 (en) 2010-06-30 2013-01-15 Codexis, Inc. Highly stable β-class carbonic anhydrases useful in carbon capture systems
US8420364B2 (en) 2010-06-30 2013-04-16 Codexis, Inc. Highly stable beta-class carbonic anhydrases useful in carbon capture systems
US8512989B2 (en) 2010-06-30 2013-08-20 Codexis, Inc. Highly stable beta-class carbonic anhydrases useful in carbon capture systems
US8569031B2 (en) 2010-06-30 2013-10-29 Codexis, Inc. Chemically modified carbonic anhydrases useful in carbon capture systems

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