Enzymatic Formulation and Composition for CO2 Capture Reactions
A triphasic bioreactor and process for physico-chemically treating a gas includes a reaction chamber and its use with a liquid and biocatalysts in suspension, for catalyzing a reaction between the gas and the liquid to obtain a treated gas and a solution containing a reaction product. An enzymatic formulation for catalysis of the reaction CO 2 +H 2 O←→HCO 3 − +H + includes an aqueous medium, support particles in suspension in the aqueous medium and carbonic anhydrase supported by the support particles and present in an amount sufficient to catalyze the reaction.
1 . An enzymatic formulation for catalysis of the reaction CO 2 +H 2 O HCO 3 − +H + , the enzymatic formulation comprising:
an aqueous medium;
support particles in suspension in the aqueous medium;
carbonic anhydrase supported by the support particles and present in an amount sufficient to catalyze the reaction.
2 . The enzymatic formulation of claim 1 , wherein the carbonic anhydrase are provided on the support particles.
3 . The enzymatic formulation of claim 1 , wherein the carbonic anhydrase are provided directly onto the support particles.
4 . The enzymatic formulation of claim 2 , wherein the carbonic anhydrase are immobilized onto the support particles.
5 . The enzymatic formulation of claim 4 , wherein the carbonic anhydrase are covalently bonded onto the support particles.
6 . The enzymatic formulation of claim 1 , wherein the carbonic anhydrase are immobilized.
7 . The enzymatic formulation of claim 1 , wherein the carbonic anhydrase are entrapped.
8 . The enzymatic formulation of claim 7 , wherein the carbonic anhydrase are entrapped in the support particles.
9 . The enzymatic formulation of claim 1 , wherein the support particles are solid polymer particles.
10 . The enzymatic formulation of claim 1 , wherein the support particles are composed of nylon.
11 . The enzymatic formulation of claim 1 , wherein the support particles are composed of polystyrene, polyurethane, polymethylmethacrylate, or functionalised silica gel.
12 . The enzymatic formulation of claim 1 , wherein the support particles comprise porous support particles.
13 . The enzymatic formulation of claim 12 , wherein the carbonic anhydrase are entrapped in the porous support particles.
14 . The enzymatic formulation of claim 12 , wherein the porous support particles are made of organic material.
15 . The enzymatic formulation of claim 12 , wherein the porous support particles are made of inorganic material.
16 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of an insoluble gel.
17 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of silica.
18 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of alginate.
19 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of alginate/chitosan.
20 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of chitosan.
21 . The enzymatic formulation of claim 12 , wherein the porous support particles comprise particles composed of alginate/carboxymethylcellulose.
22 . The enzymatic formulation of claim 1 , wherein the support particles comprise a network and the carbonic anhydrase are chemically linked with the network.
23 . The enzymatic formulation of claim 22 , wherein the network is a PEG network.
24 . The enzymatic formulation of claim 22 , wherein the network is an albumin network.
25 . The enzymatic formulation of claim 1 , wherein the support particles include particles of 0.005 μm to 0.1 μm in size.
26 . The enzymatic formulation of claim 1 , wherein the support particles include particles of 1 mm to 9 mm in diameter.
27 . The enzymatic formulation of claim 26 , wherein the support particles include particles of 3 mm in diameter.
28 . The enzymatic formulation of claim 26 , wherein the support particles are composed of alginate.
29 . The enzymatic formulation of claim 1 , wherein the support particles are composed of a material that is different from the carbonic anhydrase supported thereby.
30 . The enzymatic formulation of claim 1 , wherein the reaction is a forward reaction for absorption of CO 2 from a CO 2 containing gas into the aqueous medium.
31 . The enzymatic formulation of claim 1 , wherein the reaction is a backward reaction.
32 . An enzymatic composition for catalysis of the reaction CO 2 +H 2 O HCO 3 − +H + , the enzymatic composition comprising:
support particles suspendable in an aqueous medium;
carbonic anhydrase supported by the support particles and present in an amount sufficient to catalyze the reaction within the aqueous medium.