US 12,269,019 B2
Heterogeneous catalyst with multicatalytic activity
José Manuel Domínguez Esquivel, Mexico City (MX); Alma Delia Miranda Olvera, Mexico City (MX); Miguel Ángel Vázquez Guevara, Mexico City (MX); Adriana del Carmen Galván Cabrera, Mexico City (MX); and Merced Martínez Rosales, Mexico City (MX)
Assigned to INSTITUTO MEXICANO DEL PETRÓLEO, Mexico City (MX)
Filed by INSTITUTO MEXICANO DEL PETRÓLEO, Mexico City (MX)
Filed on Aug. 9, 2022, as Appl. No. 17/884,505.
Claims priority of application No. MX/a/2021/009548 (MX), filed on Aug. 9, 2021.
Prior Publication US 2023/0064148 A1, Mar. 2, 2023
Int. Cl. B01J 31/02 (2006.01); B01J 21/08 (2006.01)
CPC B01J 31/0284 (2013.01) [B01J 21/08 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A process for preparing a heterogeneous catalyst with multicatalytic activity containing a group with an anionic character and another organic cationic, a combination of the anionic character group and the organic cationic group forming an ionic liquid which is integrated on a mesoporous silica support, with a structural chemical formula:

OG Complex Work Unit Chemistry
where:
R1 is a substituted alkyl, alkyl, aryl group or substituted aryl;
R2 is a chain of 1 to 4 carbon atoms;
X is a chemical element selected from the group consisting of Aluminum (Al), Silicon (Si), Phosphorus (P) or Sulfur (S);
M is a chemical element of the type Molybdenum (Mo), Tungsten (W), Vanadium (V) Titanium (Ti) or Zirconium (Zr);
OMM is a mesoporous silica support; and
n is the charge number,
wherein the process comprises the following steps in order:
providing an ionic liquid derived from imidazolium, wherein said ionic liquid comprises the following structural formula:

OG Complex Work Unit Chemistry
wherein A is an anion;
covalently anchoring the ionic liquid to a mesoporous silica support to produce an ionic functional hybrid compound comprising the following structural formula:

OG Complex Work Unit Chemistry
and
exchanging anion A via lon exchange of anion A of the ionic functional hybrid compound with a polyoxometalate (POM) of formula H2XM12O40n−, thereby yielding the heterogenous catalyst having the structural chemical formula as follows:

OG Complex Work Unit Chemistry