# US 7,407,907 B2 · Dual functional catalyst for selective opening of cyclic paraffins and process for using the catalyst

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- Number: US 7,407,907 B2
- Document ID: US7407907B2
- Status: Granted
- Kind: B2
- Application number: 11/467,189
- Filed: 2006-08-25
- Published: 2006-12-14
- Granted: 2008-08-05
- Earliest claimed: 2003-11-07
- Assignees: Uop LLC
- Inventors: Leonid B. Galperin; Irina Galperin, legal representative; Michael J. McCall; Joseph A. Kocal
- Web page: https://patentgrep.com/patent/US7407907B2

## CPC

- B01J 23/42: Platinum
- B01J 21/00: Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J 23/63: with rare earths or actinides
- B01J 23/648: Vanadium, niobium or tantalum {or polonium}
- B01J 23/6484: {Niobium}
- B01J 27/00: Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J 27/182: with silicon
- B01J 29/00: Catalysts comprising molecular sieves {(molecular sieves per se C01B)}
- B01J 29/04: having base-exchange properties, e.g. crystalline zeolites {(B01J29/005 takes precedence)}
- B01J 29/06: Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J 29/70: of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J 35/19: {Catalysts containing parts with different compositions}
- C07C 5/31: changing the number of rings
- B01J 23/40: of the platinum group metals
- B01J 23/60: with zinc, cadmium or mercury
- B01J 23/62: with gallium, indium, thallium, germanium, tin or lead
- B01J 23/656: Manganese, technetium or rhenium
- B01J 23/6567: {Rhenium}
- B01J 29/84: Aluminophosphates containing other elements, e.g. metals, boron
- B01J 35/70: characterised by their crystalline properties, e.g. semi-crystalline (catalysts comprising carbon B01J21/18; molecular sieves B01J29/00)
- B01J 37/00: Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J 37/0072: {Preparation of particles, e.g. dispersion of droplets in an oil bath}
- B01J 2235/10: Infrared [IR]
- B01J 2235/15: X-ray diffraction
- C07C 2529/85: Silicoaluminophosphates (SAPO compounds)
- B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS

## Abstract

A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular sieve, such as UZM-16 and a refractory inorganic oxide such as alumina. The Group VIII metal and modifier component are preferably deposited on the refractory inorganic oxide. A process for using the catalyst is also disclosed.

## Claims

### Claim 1

A catalyst for opening cyclic paraffins comprising a Group VIII (IUPAC Groups 8-10) metal component, a modifier component, a molecular sieve and a refractory inorganic oxide, the molecular sieve characterized in that it has an OH peak shift in its CO-FTIR spectrum of less than 310 cm−1 and is selected from the group consisting of UZM-4, UZM-4M, UZM-5, UZM-5HS, UZM-5P, UZM-6, UZM-8, UZM-8HS, UZM-15, UZM-15HS, UZM-16, UZM-16HS and mixtures thereof.

### Claim 2 (depends on 1)

The catalyst of claim 1 where the Group VIII metal is selected from the group consisting of platinum, palladium, rhodium, ruthenium, iridium and mixtures thereof.

### Claim 3 (depends on 1)

The catalyst of claim 1 where the catalyst is a physical mixture of molecular sieve particles and refractory inorganic oxide particles.

### Claim 4 (depends on 1)

The catalyst of claim 1 where the Group VIII metal component is deposited on the molecular sieve.

### Claim 5 (depends on 1)

The catalyst of claim 1 where the Group VIII metal component is deposited on the refractory inorganic oxide.

### Claim 6 (depends on 1)

The catalyst of claim 1 where the refractory inorganic oxide is selected from the group consisting of alumina, silica, silica/alumina, calcium oxide, magnesium oxide, clays, zirconia and mixtures thereof.

### Claim 7 (depends on 1)

The catalyst of claim 1 where the catalyst is formed into a shaped article selected from the group consisting of pills, extrudates, spheres, irregularly shaped particles and tablets.

### Claim 8 (depends on 1)

The catalyst of claim 1 where the Group VIII metal component is present in an amount from about 0.01 to about 10 wt. % of the catalyst as the metal.

### Claim 9 (depends on 1)

The catalyst of claim 1 where the modifier component is selected from the group consisting of titanium, niobium, rare earth elements, tin, rhenium, zinc, germanium and mixtures thereof.

### Claim 10 (depends on 9)

The catalyst of claim 9 where the modifier component is present in an amount from about 0.1 to about 50 wt. % of the catalyst as the element.

### Claim 11 (depends on 9)

The catalyst of claim 9 where the rare earth element is selected from the group consisting of cerium, ytterbium, lanthanum, dysprosium and mixtures thereof.

### Claim 12 (depends on 1)

The catalyst of claim 1 where the molecular sieve is selected from those having 8, 10 or 12 ring pores and having weak to medium acidity.