Process for the hydrogenation of unsaturated hydrocarbons with chrysotile catalyst compositions

Claim 2

A PROCESS FOR THE HYDROGENATION OF UNSATURATED HYDROCARBONS COMPRISING CONTACTING SAID UNSATURATED HYDROCARBONS, WITH HYDROGEN, AT TEMPERATURE RANGING FROM ABOUT 100 PSI TO ABOUT 450*C., WITH A CATALYST COMPRISING A CHRYSOTILE COMPOSIABOUT 300 PSI, WITH A CATALYST COMPRISING A CHRYSOTILE COMPOSITION CHARACTERIZED AS HAVING REPEATING UNITS DEFINED BY THE FOLLOWING STRUCTURAL FORMULA:

Claim 3

The process of claim 1 wherein the temperature ranges from about 150*C. to about 350*C., and pressure from about 200 psi to about 500 psi.

Claim 4

The process of claim 1 wherein the unsaturated hydrocarbons are selected from aromatics and olefins, including monoolefins and polyolefins, containing from 2 to about 12 carbon atoms.

Claim 5

The process of claim 1 wherein the metal hydrogenation component is selected from Groups VIB, VIIB, and VIII metals, of the Periodic Table of the Elements.

Claim 6

The process of claim 1 wherein the chrysotile is selected from the group consisting of magnesium aluminum chrysotile impregnated with a metal selected from palladium and platinum, and mixtures of palladium and platinum; a magnesium-nickel chrysotile impregnated with a metal selected from molybdenum and tungsten; magnesium-tungsten chrysotile impregnated with a metal selected from the group consisting of nickel and cobalt, and mixtures of nickel and cobalt; magnesium-molybdenum chrysotile impregnated with a metal selected from the group consisting of nickel, cobalt, and mixtures of nickel and cobalt; nickeltungsten chrysotile and cobalt-molybdenum chrysotile.

Claim 7

The process of claim 1 wherein M and M of the composition are selected from magnesium, nickel, cobalt, chromium, molybdenum, tungsten, palladium, platinum and aluminum.

Claim 8

The process of claim 1 wherein the effective ionic radius of the metal cations of the composition ranges from about 0.57 to about 0.91 A.

Claim 9

The process of claim 1 wherein the said composition contains at least two metals.

Claim 10

The process of claim 1 wherein the composition is bimetallic.

Claim 11

The process of claim 9 wherein the metals of the composition are selected from magnesium, nickel, cobalt, chromium molybdenum, tungsten, palladium, platinum and aluminum.

Claim 12

The process of claim 1 wherein the said composition is in the physical form of tubes, characterized as having walls ranging from about 30 A to about 50 A, and internal openings of diameter ranging from about 60 A to about 150 A.

Claim 13

The process of claim 1 wherein the surface area of the compositions ranges to about 250 m2/g.

Claim 14

The process of claim 1 wherein the said composition is in the physical form of flakes, of thickness ranging from about 15 A to about 50 A.

Claim 15

The process of claim 1 wherein the surface area of the flakes ranges from about 250 m2/g to about 500 m2/g, and higher.

Claim 16

The process of claim 1 wherein x of the chrysotile composition which is a number expressing the atomic fraction of M and M ranges from 0.01 to 0.50, a which expresses the valence of M is equal to 2, b which expresses the valence of M is an integer ranging from 1 to 7, n is a number ranging from 2.5 to 3.3, and w is a number ranging from 0 to 4.

Claim 17

The process of claim 15 wherein M and M are selected from magnesium, nickel, cobalt, chromium, molybdenum, tungsten, palladium, platinum and aluminum.

Claim 18

The process of claim 15 wherein the effective ionic radius of M and M ranges from about 0.57 to about 0.91 A.

Claim 19

The process of claim 15 wherein x is a number ranging from 0.03 to 0.20, and n is a number ranging from 2.7 to 3.0.

Claim 20

The process of claim 18 wherein M and M are selected from magnesium, nickel, cobalt, chromium, molybdenum, tungsten, palladium, platinum and aluminum.

Claim 21

The process of claim 19 wherein the effective ionic radius of M and M ranges from about 0.57 to about 0.91 A.

Claim 22

The process of claim 15 wherein b is an integer ranging from 2 to 4.

Claim 23

The process of claim 15 wherein the composition is bimetallic.

Claim 24

The process of claim 22 wherein the metals are selected from magnesium, nickel, cobalt, chromium, molybdenum, tungsten, palladium, platinum and aluminum.

Claim 25

The process of claim 15 wherein the said composition is in the physical form of tubes, characterized as having walls ranging from about 30 A to about 50 A, and internal openings of diameter ranging from about 60 A to about 150 A.

Claim 26

The process of claim 24 wherein the surface area of the compositions ranges to about 250 m2/g.

Claim 27

The process of claim 15 wherein the said composition is in the physical form of flakes, of thickness from about 15 A to about 50 A.

Claim 28

The process of claim 26 wherein the surface area of the flakes ranges from about 250 m2/g to about 500 m2/g, and higher.

Claim 29

The process of claim 15 wherein said chrysotile composition is in the physical form of tubes having an X-ray powder diffraction pattern substantially the same as follows:

Claim 30

The process of claim 15 wherein the said composition is in the physical form of flakes, of thickness ranging from about 15 A to about 50 A.

Claim 31

The process of claim 29 wherein the surface area of the flakes ranges from about 250 m2/g to about 500 m2/g, and higher.

Claim 32

The process of claim 29 wherein said chrysotile composition is in the physical form of flakes having an X-ray powder diffraction pattern substantially the same as follows: