Aromatization catalyst and methods of making and using same

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium halide precursor, wherein the ammonium halide precursor is represented by the formula N(R)4X, where X is a halide, R is a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms, and each R may be the same or different, and wherein the halide precursor further comprises ammonium chloride.

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support wit a platinum precursor and at least one organic ammonium halide precursor, wherein the ammonium halide precursor is represented by the formula N(R)4X, where X is a halide, R is a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms, and each R may be the same or different, and wherein the halide precursor further comprises ammonium fluoride.

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium halide precursor, wherein the ammonium halide precursor comprises at least one acid halide and at least one ammonium hydroxide represented by the formula N(R′)4OH, where R′ is hydrogen or a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms wherein each R′ may be the same or different.

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium halide precursor, wherein the ammonium halide precursor is represented by the formula N(R)4X, where X is a halide, R is a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms, and each R maybe the same or different, and wherein the ammonium halide precursor further comprises at least one acid halide and at least one ammonium hydroxide represented by the formula N(R′)4OH, where R′ is hydrogen or a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms wherein each R′ may be the same or different.

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support with a platinum precursor;
• at least one acid halide;
• and at least one organic ammonium hydroxide represented by the formula N(R′)4OH, where R′ is a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms wherein each R′ may be the same or different.

A method of making a catalyst composition, comprising:

• impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium fluoride precursor represented by the formula N(R)4F and at least one organic ammonium chloride precursor represented by the formula N(R)4Cl, where R is a substituted or unsubstituted carbon chain molecule having 1–20 carbon atoms wherein each R may be the same or different.

A process for reforming a hydrocarbon comprising:

• contacting hydrocarbons with a catalyst under suitable reaction conditions for aromatizing the hydrocarbons, wherein the catalyst is farmed by a process comprising impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium fluoride precursor represented by the formula N(R)4F and at least one organic ammonium chloride precursor represented by the formula N(R)4Cl, where R is a substituted or unsubstituted carbon chain having 1–20 carbon atoms and each R may be the same or different.