Efficient catalyst for the conversion of CO2 to methanol
AssigneeSotacarbo—Societa Technologie Avanzate Low Carbon S.P.A.
InventorsMauro Mureddu, Francesca Ferrara, Alberto Pettinau
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Abstract
An efficient catalyst for the synthesis of methanol by catalytic hydrogenation of carbon dioxide is provided. A process for the preparation of the catalyst by self-combustion of a gel and a process for the synthesis of methanol by catalytic hydrogenation of carbon dioxide are also presented. The catalyst has the following formula (Cu)x(ZnO)y(ZrO2)z supported on mesoporous silica.
Claims18
Catalyst for the preparation of methanol by catalytic hydrogenation of carbon dioxide, the catalyst comprising:
- copper, zinc oxide and zirconium dioxide;
- supported over a support of SBA-15 mesoporous silica, the catalyst comprising the following composition (I):
- (Cu)x(ZnO)y(ZrO2)z (I)
- wherein:
- x is between 0.4 and 0.5,
- y is between 0.2 and 0.3, and
- z is 0.3.
Catalyst for the preparation of methanol by catalytic hydrogenation of carbon dioxide comprising:
- copper, zinc oxide and zirconium dioxide;
- supported over a support of SBA-15 mesoporous silica said catalyst comprising the following formula of (Cu)x(ZnO)y(ZrO2)z, wherein x is between 0.4 and 0.5, y is between 0.2 and 0.3, and z is 0.3;
- said catalyst obtainable by a process comprising:
- a) preparing an aqueous solution comprising a complexing agent and a copper salt and a zinc salt, or a copper salt, a zinc salt and a zirconium salt;
- b) mixing of the support of mesoporous silica with the solution of the step a);
- c) forming a gel;
- d) triggering a self-combustive process of the gel and a self-combustive step;
- and
- e) obtaining the catalyst.
Dependencies are inferred from the claim text.