# US 5,705,723 A · Hydrogenation catalyst composition and a hydrogenation process > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,705,723 A - Document ID: US5705723A - Status: Granted - Kind: A - Application number: 08/547,217 - Filed: 1995-10-24 - Granted: 1998-01-06 - Earliest claimed: 1995-10-24 - Assignees: Phillips Petroleum Company - Inventors: Lyle R. Kallenbach; Marvin M. Johnson - Web page: https://patentgrep.com/patent/US5705723A ## CPC - B01J 21/02: Boron or aluminium; Oxides or hydroxides thereof - B01J 23/755: Nickel - C07C 5/10: of aromatic six-membered rings - C07C 2521/02: Boron or aluminium; Oxides or hydroxides thereof - C07C 2521/04: Alumina - C07C 2521/06: Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof - C07C 2523/36: Rhenium - C07C 2523/755: Nickel - C07C 2523/889: Manganese, technetium or rhenium - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS ## Abstract A composition comprises nickel and a support material which comprises aluminum borate and zirconium borate. In one embodiment, this composition additionally comprises rhenium. Preferably, the catalyst support material is a coprecipitate of aluminum borate and zirconium borate. The above-described composition is employed as a catalyst for hydrogenating aromatic hydrocarbons to saturated hydrocarbons. ## Claims ### Claim 1 A composition of matter comprising (a) nickel and (b) a support material which comprises aluminum borate and zirconium borate. ### Claim 2 (depends on 1) A composition in accordance with claim 1, wherein the weight ratio of Al to Zr in said support material is about 2:1 to about 20:1 and the weight ratio of (Al+Zr) to B in said support material is about 1:1 to about 6:1. ### Claim 3 (depends on 1) A composition in accordance with claim 1, wherein said support material is a coprecipitate of aluminum borate and zirconium borate. ### Claim 4 (depends on 1) A composition in accordance with claim 1 comprising about 2-50 weight-% nickel. ### Claim 5 (depends on 4) A composition in accordance with claim 4 comprising about 5-25 weight-% nickel. ### Claim 6 (depends on 1) A composition in accordance with claim 1 additionally comprising rhenium. ### Claim 7 (depends on 6) A composition in accordance with claim 6 comprising about 2-50 weight-% nickel and about 0.5-10 weight-% rhenium. ### Claim 8 (depends on 7) A composition in accordance with claim 7 comprising about 5-25 weight-% nickel and about 2-8 weight-% rhenium. ### Claim 9 (depends on 7) A composition in accordance with claim 7, wherein the weight ratio of rhenium to nickel is about 0.01:1 to about 2:1. ### Claim 10 In a process for catalytically hydrogenating at least one aromatic hydrocarbon containing 6-22 carbon atoms per molecule with hydrogen gas to at least one saturated hydrocarbon, the improvement which comprises employing as the catalyst a composition comprising (a) nickel and (b) a support material which comprises aluminum borate and zirconium borate. ### Claim 11 (depends on 10) A process in accordance with claim 10, wherein the weight ratio of Al to Zr in said support material is about 2:1 to about 20:1 and the weight ratio of(Al+Zr) to B in said support material is about 1:1 to about 6:1. ### Claim 12 (depends on 10) A process m accordance with claim 10, wherein said support material is a coprecipitate of aluminum borate and zirconium borate. ### Claim 13 (depends on 10) A process in accordance with claim 10, wherein said catalyst comprises about 2-50 weight-% nickel. ### Claim 14 (depends on 13) A process m accordance with claim 13, wherein said catalyst comprises about 5-25 weight-% nickel. ### Claim 15 (depends on 10) A process in accordance with claim 10, wherein said catalyst additionally comprises rhenium. ### Claim 16 (depends on 15) A process m accordance with claim 15, wherein said catalyst comprises about 2-50 weight-% nickel and about 0.5-10 weight-% rhenium. ### Claim 17 (depends on 16) A process m accordance with claim 16, wherein said catalyst comprises about 5-25 weight-% nickel and about 2-8 weight-% rhenium. ### Claim 18 (depends on 16) A process in accordance with claim 16, wherein the weight ratio of rhenium to nickel in said catalyst is about 0.01:1 to about 2:1. ### Claim 19 (depends on 10) A process in accordance with claim 10, wherein said at least one aromatic hydrocarbon is contained as a minor component in a liquid hydrocarbon feed stream comprising alkanes containing 8-20 carbon atoms per molecule as the major component. ### Claim 20 (depends on 19) A process in accordance with claim 19, wherein the reaction conditions comprise a reaction temperature of about 150.degree.-230.degree. C., a reaction pressure of about 350-550 psig, a liquid hourly space of said liquid hydrocarbon feed stream of about 1-3 cc/cc catalyst/hour, and a gas hourly space velocity of hydrogen gas of about 100-300 cc/cc catalyst/hour. ### Claim 21 A composition comprising (a) nickel and (b) a support material which comprises aluminum borate and zirconium borate wherein the weight ratio of Al to Zr in said support material is about 2:1 to about 20:1 and the weight ratio of (Al+Zr) to B in said support material is about 1:1 to about 6:1; and said composition comprises about 2 to about 50 weight % nickel. ### Claim 22 (depends on 21) A composition in accordance with claim 21, wherein the weight ratio of Al to Zr in said support material is about 4:1 to about 12:1; the weight ratio of (Al+Zr) to B in said support material is about 15:1 to about 3:1; and said composition comprises about 2 to about 25 weight % nickel. ### Claim 23 (depends on 21) A composition in accordance with claim 21 additionally comprising rhenium. ### Claim 24 (depends on 23) A composition in accordance with claim 23 comprising about 0.5 to about 10 weight % rhenium. ### Claim 25 (depends on 24) A composition in accordance with claim 24 comprising about 2 to about 8 weight % rhenium.