US4650563A — Transition metal sulfide promoted molybdenum or t…

Claim 1

Independent Claim 140 words

A process for hydrorefining a hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrorefine at least a portion of said feed.

Claim 2

Dependent Claim 140 words

A process for hydrorefining a hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to hydrorefine at least a portion of said feed.

Claim 3

Dependent Claim 74 words

The process of claim 1 wherein said thiometallate salt is of the general formula (ML)(Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Co, Zn, Cu and mixture thereof, and wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 4

Dependent Claim 13 words

The process of claim 2 wherein said feed is a lube oil feed.

Claim 5

Dependent Claim 13 words

The process of claim 1 wherein said feed is a lube oil feed.

Claim 6

Dependent Claim 19 words

The process of any one of claims 1-4 wherein said catalyst contains at least two of said promoter metals.

Claim 7

Dependent Claim 24 words

The process of claim 5 wherein said ligand is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 8

Dependent Claim 12 words

The process of claim 6 wherein said ligand comprises an alkyl amine.

Claim 9

Dependent Claim 19 words

The process of claim 7 wherein said nonoxidizing atmosphere comprises a mixture of H 2 and H 2 S.

Claim 10

Dependent Claim 145 words

A process for removing nitrogen from a nitrogen-containing hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to remove at least a porton of nitrogen from said feed.

Claim 11

Dependent Claim 145 words

A process for removing nitrogen from a nitrogen-containing hydrocarbon feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to remove at least a porton of nitrogen from said feed.

Claim 12

Dependent Claim 74 words

The process of claim 9 wherein said thiometallate salt is of the general formula (ML)(Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Co, Zn, Cu and mixture thereof, and wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 13

Dependent Claim 20 words

The process of either of claims 9 or 10 wherein said catalyst contains at least two of said promoter metals.

Claim 14

Dependent Claim 24 words

The process of claim 11 wherein said ligand is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 15

Dependent Claim 12 words

The process of claim 12 wherein said ligand comprises an alkyl amine.

Claim 16

Dependent Claim 19 words

The process of claim 13 wherein said non-oxidizing atmosphere comprises a mixture of H 2 and H 2 S.

Claim 17

Dependent Claim 17 words

The process of either of claims 9 or 10 wherein said feed is a lube oil feed.

Claim 18

Dependent Claim 13 words

The process of claim 12 wherein said feed is a lube oil feed.

Claim 19

Dependent Claim 13 words

The process of claim 13 wherein said feed is a lube oil feed.

Claim 20

Dependent Claim 147 words

A process for improving the oxidation stability of a sulfur and nitrogen-containing lube oil feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to improve the oxidation stability of said feed.

Claim 21

Dependent Claim 147 words

A process for improving the oxidation stability of a sulfur and nitrogen-containing lube oil feed which comprises contacting said feed at a temperature of at least about 150° C. and in the presence of hydrogen with a catalyst obtained by heating one or more precursor salts at elevated temperature of at least about 150° C., in the presence of sulfur or one or more sulfur-bearing compounds and under oxygen-free conditions for a time sufficient to form said catalyst, wherein said precursor salt contains a tetrathiometallate anion of Mo, W or mixture thereof and a cation comprising one or more divalent promoter metals which are chelated by at least one neutral, nitrogen-containing polydentate ligand, wherein said divalent promoter metal is selected from the group consisting of Ni, Co, Zn, Cu and mixture thereof, said contacting occurring for a time sufficient to improve the oxidation stability of said feed.

Claim 22

Dependent Claim 75 words

The process of claim 18 wherein said thiometallate salt is of the general formula (ML) (Mo y W 1-y S 4 ) wherein M comprises one or more promoter metals selected from the group consisting of divalent Ni, Co, Zn, Cu and mixture thereof, and wherein y is any value ranging from 0 to 1 and wherein L is one or more neutral, nitrogen-containing ligands, at least one of which is a chelating polydentate ligand.

Claim 23

Dependent Claim 18 words

The process of claims 18 or 19 wherein said catalyst contains at least two of said promoter metals.

Claim 24

Dependent Claim 24 words

The process of claim 20 wherein said ligand is selected from the group consisting of alkyl amines, aryl amines, nitrogen heterocycles and mixtures thereof.

Claim 25

Dependent Claim 12 words

The process of claim 21 wherein said ligand comprises an alkyl amine.

Claim 26

Dependent Claim 19 words

The process of claim 22 wherein said non-oxidizing atmosphere comprises a mixture of H 2 and H 2 S.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-03-16	1990-09-15	1991-03-17	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-03-16	1994-09-15	1995-03-17	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-03-16	1998-09-15	1999-03-17	$7700.00	Window Closed / Lapsed

Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing

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