Catalyst for epoxidation reactions
First Claim
1. Process for preparing a solid material containing at least one zeolite and being at least partly crystalline comprising a step (I), which step comprises at least partial crystallization of at least one solid material containing at least one zeolite out of a synthesis mixture, wherein said at least partial crystallization comprises contacting at least one transition metal oxide source with at least one epoxide or hydrolysate thereof prior to or during the at least partial crystallization.
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Abstract
The present invention relates to the manufacture of solid materials or shaped bodies containing at least one zeolite and being at least partly crystalline. Furthermore, the present invention relates to the solid materials or shaped bodies as such and to the use of these materials for reactions of compounds having at least one C—C double bond with at least one hydroperoxide. Specifically, the present invention relates to a process for the manufacture of a solid material containing at least one zeolite and being at least partly crystalline, wherein the synthesis of the said solid material involves at least one partial step of contacting at least one transition metal oxide source with at least one epoxide or hydrolysate thereof prior to or during the at least partial crystallization of said solid material.
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Citations
21 Claims
- 1. Process for preparing a solid material containing at least one zeolite and being at least partly crystalline comprising a step (I), which step comprises at least partial crystallization of at least one solid material containing at least one zeolite out of a synthesis mixture, wherein said at least partial crystallization comprises contacting at least one transition metal oxide source with at least one epoxide or hydrolysate thereof prior to or during the at least partial crystallization.
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6. Integrated process for the production of a solid material containing at least one zeolite, comprising at least the following steps:
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(I) at least partial crystallization of at least one solid material containing at least one zeolite out of a synthesis mixture, resulting in mixture (I) containing at least said solid material and a mother liquor, said at least partial crystallization comprising at least the following steps;
(Ia) mixing of at least one hydrolyzable silicon source with a mineralizing and/or structuring agent and water;
(Ib) mixing of at least one transition metal oxide source with an epoxide or a hydrolysate thereof;
(Ic) mixing of the mixtures from (Ia) and (Ib) so that at least a part of the hydrolyzable compounds hydrolyzes;
(Id) distilling at least parts of the alcohol that has been formed as a result of the at least partial hydrolysation of at least part of the hydrolyzable compounds;
(Ie) adding water to the bottom of (Id);
(If) reacting of the synthesis mixture resulting from (Ie) at a temperature elevated with respect to room temperature;
(II) separating and/or concentrating of the solid material in mixture (I). - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. Integrated process for the production of a shaped body containing at least one zeolite, comprising at least the following steps:
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(I) at least partial crystallization of at least one solid material containing at least one zeolite out of a synthesis mixture, resulting in mixture (I) containing at least said solid material and a mother liquor, said at least partial crystallization at least the following steps;
(Ia) mixing of at least one hydrolyzable silicon source with a mineralizing and/or structuring agent and water;
(Ib) mixing of at least one transition metal oxide source with an epoxide or a hydrolysate thereof;
(Ic) mixing of the mixtures from (Ia) and (Ib) so that at least a part of the hydrolyzable compounds hydrolyzes;
(Id) distilling at least parts of the alcohol that has been formed as a result of the at least partial hydrolysation of at least part of the hydrolyzable compounds;
(Ie) adding water to the bottom of (Id);
(If) reacting of the synthesis mixture resulting from (Ie) at a temperature elevated with respect to room temperature;
(II) separating and/or concentrating of the solid material in mixture (I);
(III) agglomerating or granulating or agglomerating and granulating of the solid material;
(S) shaping of the solid material from step (II) or (III). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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Specification