Kinetics of Carbonic Anhydrase in Promoted Chemical Kinetics of Carbonic Anhydrase in Promoted Chemical Solvents for Carbon Dioxide Absorption Arne Gladis , Maria T Gundersen, Philip Fosbøl, John M Woodley, Nicolas von Solms Post Combustion Capture Conference, Regina,08.09.2015
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Kinetics of Carbonic Anhydrase in Promoted ChemicalKinetics of Carbonic Anhydrase in Promoted Chemical Solvents for Carbon Dioxide Absorption
Arne Gladis, Maria T Gundersen, Philip Fosbøl, John M Woodley, Nicolas von Solms
Post Combustion Capture Conference, Regina,08.09.2015
OverviewOverview
Introduction
Theory and methods
Experimental setup and Experiments
Results and Discussion
Conclusion and Outlook
OverviewOverview
Introduction
Theory and methods
Experimental setup and Experiments
Results and Discussion
Conclusion and Outlook
Interact projectInteract projectINnovaTive Enzymes and polyionic-liquids based membRAnes as
CO Capture TechnologyCO2 Capture Technology
Cooperation project funded within the 7th Framework program of the European Commission, theme ENERGY2013 5 1 2theme ENERGY.2013.5.1.2
EnzymesEnzymes
1vmax Michaelis Menten Kinetics
0 5
1
n ra
te ½ vmax
0
0.5
reac
tio
0 0.2 0.4 0.6 0.8 1Substrate concentration
Km
OverviewOverview
Introduction
Theory and methods
Experimental setup and Experiments
Results and Discussion
Conclusion and Outlook
Carbonic AnhydraseCarbonic Anhydrase
Present in almost every living organismy g g
faciliates different processes like Respiration, CO2
t t t h t f Ph t th itransport, rate enhancement of Photosynthesis
Metalloenyzme
One of the fastest enzymes known with up to
106 i d106 reactions per second
Absorption rate Enhancement in CCS process
One-step mechanism:
Structure and reactions of chemical solventsStructure and reactions of chemical solvents
OverviewOverview
Introduction
Theory and methods
Experimental setup and Experiments
Results and Discussion
Conclusion and Outlook
Experimental setupExperimental setup
Experimental setupExperimental setup
Wetted wall columnWetted wall column
ExperimentsExperiments
Carbonic Anhydrase in absorber conditions
Solvent: 30 wt% MDEA
Temperature: 313 K
Enzyme conc.: 1.5 g/l; 3 g/l
Solvent loading: 0-0.5
(mol CO2/mol MDEA)
OverviewOverview
Introduction
Theory and methods
Experimental setup and Experiments
Results and Discussion
Conclusion and Outlook
Effect of loading on CO absorptionEffect of loading on CO2 absorption
0.0230 wt% MDEA 313 K
0.015
/s)
30 wt% MDEA, 313 K
0.02 ldg 3 g/l CA
0.01
lux
(mol
/m2 /
0.02 ldg 1.5 g/l CA
0 35 ldg 3 g/l CA
0
0.005
Abs
orbe
d fl 0.35 ldg 3 g/l CA
0.35 ldg 1.5 g/l CA
-0.005
00 5000 10000 15000 20000 25000 30000
A
-0.01Driving force mean log pCO2 (Pa)
Effect of loading on CO absorptionEffect of loading on CO2 absorption