# US 10,441,944 B2 · Catalyst composition for isomerization of paraffins > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,441,944 B2 - Document ID: US10441944B2 - Status: Granted - Kind: B2 - Application number: 14/969,966 - Filed: 2015-12-15 - Published: 2017-01-05 - Granted: 2019-10-15 - Earliest claimed: 2015-06-30 - Assignees: Hindustan Petroleum Corporation Limited - Applicants: Hindustan Petroleum Corporation Ltd. - Inventors: Raman Ravishankar; Safinaz Saif; Sunil Mehla; Bennet Chellian; Peddy Venkatachallapathy Rao; Choudary Venkateswarlu Nettem; Sriganesh Gandham - Web page: https://patentgrep.com/patent/US10441944B2 ## CPC - B01J 27/188: with chromium, molybdenum, tungsten or polonium - B01J 29/24: Iron group metals or copper - B01J 27/19: Molybdenum - B01J 29/0341: {containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium} - B01J 29/18: of the mordenite type - B01J 29/22: Noble metals - B01J 29/26: containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium - B01J 37/0201: {Impregnation} - B01J 37/04: Mixing {(B01J37/0009, B01J37/0018 take precedence)} - B01J 37/08: Heat treatment {(B01J37/0009, B01J37/0018 take precedence)} - C07C 5/2775: {with crystalline alumino-silicates, e.g. molecular sieves} - B01J 2229/186: not in framework positions - B01J 2523/00: Constitutive chemical elements of heterogeneous catalysts - C07C 2529/18: of the mordenite type - C07C 2529/22: Noble metals - C07C 2529/24: Iron group metals or copper - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C07C: ACYCLIC OR CARBOCYCLIC COMPOUNDS ## Abstract A catalyst composition for isomerization of paraffins includes at least one metal, at least one heteropoly acid and a support material. Further provided are a process for preparation of the catalyst composition and a process for isomerization of paraffins using the catalytic composition. ## Claims ### Claim 1 A catalyst composition comprising: at least one metal, the at least one metal including Ni in an amount in the range of 0.1% to 10% w/w of the total weight of the composition; at least one heteropoly acid, the at least one heteropoly acid including tungstophosphoric acid in an amount in the range of 14% to 50% w/w of the total weight of the composition; and a support material, the support material including mordenite in an amount in the range of 60% to 85% w/w of the total weight of the composition. ### Claim 2 (depends on 1) The catalyst composition as claimed in claim 1, wherein the Ni is in an amount in the range of 0.1% to 6% w/w of the total weight of the composition. ### Claim 3 (depends on 1) The catalyst composition as claimed in claim 1, wherein the Ni is in an amount in the range of 1.5% to 6% w/w of the total weight of the composition. ### Claim 4 (depends on 1) The catalyst composition as claimed in claim 1, wherein the at least one metal is selected from the group consisting of alkali metal, alkaline earth metal, transitional metal, lanthanides, and combinations thereof. ### Claim 5 (depends on 1) The catalyst composition as claimed in claim 1, wherein the at least one metal further includes a alkali metal selected from the group consisting of Na, K, Rb, Cs, and combinations thereof. ### Claim 6 (depends on 1) The catalyst composition as claimed in claim 1, wherein the at least one metal is a transitional metal selected from the group consisting of Pt, Ni, Pd, Re, Ir, Rh, and combinations thereof. ### Claim 7 (depends on 1) The catalyst composition as claimed in claim 1, wherein the tungstophosphoric acid is in an amount in the range of 18% to 30% w/w of the total weight of the composition. ### Claim 8 (depends on 1) The catalyst composition as claimed in claim 1, wherein the at least one heteropoly acid is selected from the group consisting of tungstophosphoric acid (TPA), molybdophosphoric acid (MPA), and combinations thereof. ### Claim 9 (depends on 1) The catalyst composition as claimed in claim 1, wherein mordenite is in an amount in the range of 70% to 80% w/w of the total weight of the composition. ### Claim 10 (depends on 1) The catalyst composition as claimed in claim 1, wherein the support material further includes a material selected from the group consisting of alumina, zirconia, titania, silica, niobia, zeolites, mesoporous oxides, microporous oxides, ceria, vanadia, magnesia, yttria, and mesoporous materials selected from the group consisting of MCM-41, MCM-48, and SBA-15. ### Claim 11 (depends on 1) The catalyst composition as claimed in claim 1, wherein the support material further includes a zeolite selected from the group consisting of USY-zeolite, ZSM-5, ZSM-11, and beta zeolite. ### Claim 12 (depends on 1) The catalyst composition as claimed in claim 1, wherein the mordenite is in an amount in the range of 70% to 80% w/w of the total weight of the composition. ### Claim 13 (depends on 1) The catalyst composition as claimed in claim 1, wherein the catalyst composition is 1.5% to 6% w/w Ni, 18% to 30% w/w tungstophosphoric acid (TPA), and 70% to 80% w/w mordenite. ### Claim 14 (depends on 1) The catalyst composition as claimed in claim 1, wherein the catalyst composition is used for isomerization of paraffins. ### Claim 15 (depends on 1) A process for producing the catalyst composition as claimed in claim 1, the process comprising; dissolving at least one metal salt including the Ni in water to obtain a solution; contacting the at least one heteropoly acid including the tungstophosphoric acid and the support material including the mordenite with the solution to obtain a paste; drying the paste to obtain a dried paste; calcining the dried paste at a temperature range of 400-600° C. for a period of 1 to 6 hours to obtain a catalyst composition. ### Claim 16 (depends on 15) The process as claimed in claim 15, wherein the at least one metal salt including the Ni is a salt of Ni selected from the group consisting of nickel nitrate, nickel chloride, nickel acetate, nickel sulphate, and nickel acetylacetonate. ### Claim 17 (depends on 15) The process as claimed in claim 15, wherein the at least one metal salt further includes a salt of Pt selected from the group consisting of platinum nitrate, platinum chloride, platinum acetate, chloroplatinic acid, and platinum complexes such as hexamine platinum II chloride. ### Claim 18 (depends on 15) The process as claimed in claim 15, wherein the at least one metal salt further includes a salt of Cs selected from the group consisting of cesium nitrate, cesium chloride, cesium acetate, and cesiumsulfate. ### Claim 19 (depends on 15) The process as claimed in claim 15, wherein the at least one heteropoly acid further includes molybdophosphoric acid (MPA). ### Claim 20 (depends on 15) The process as claimed in claim 15, wherein the support material further includes a material selected from the group consisting of alumina, zirconia, titania, silica, niobia, zeolites, and mesoporous or microporous oxides. ### Claim 21 (depends on 20) The process as claimed in claim 20, wherein the support material further includes titania. ### Claim 22 (depends on 15) The process as claimed in claim 15, wherein the support material further includes a zeolite selected from the group consisting of USY-zeolite, ZSM-5, ZSM-11, and beta zeolite. ### Claim 23 A process for producing a catalyst composition comprising; dissolving nitrate salt of Ni in water to obtain a solution; contacting tungstophosphoric acid (TPA), and mordenite with the solution to obtain a paste; drying the paste in vacuum at 70° C. for 1 hr at 100 mbar pressure to obtain a dried paste; calcining the dried paste at 300° C. for 4 h to obtain a catalyst composition; and the catalyst composition including the Ni in an amount in the range of 0.1% to 10% w/w of the total weight of the composition, the tungstophosphoric acid in an amount in the range of 14% to 50% w/w of the total weight of the composition, and the mordenite in an amount in the range of 60% to 85% w/w of the total weight of the composition. ### Claim 24 A process for isomerization of paraffins comprising contacting the paraffins and hydrogen with a catalyst composition in a reactor; wherein the catalyst composition comprises Ni in an amount in the range of 0.1% to 10% w/w of the total weight of the composition; at least one heteropoly acid, the at least one heteropoly acid including tungstophosphoric acid in an amount in the range of 14% to 50% w/w of the total weight of the composition; and a support material, the support material including mordenite in an amount in the range of 60% to 85% w/w of the total weight of the composition. ### Claim 25 (depends on 24) The process as claimed in claim 24, wherein the at least one heteropoly acid further includes molybdophosphoric acid (MPA). ### Claim 26 (depends on 24) The process as claimed in claim 24, wherein the support material further includes alumina, zirconia, titania, silica, niobia, zeolites, mesoporous oxides, microporous oxides, ceria, vanadia, magnesia, yttria, and mesoporous materials selected from the group consisting of MCM-41, MCM-48, and SBA-15. ### Claim 27 (depends on 24) The process as claimed in claim 24, wherein the catalyst composition includes 1.5% to 6% w/w of the Ni, 18% to 30% w/w of the tungstophosphoric acid, and 70% to 80% w/w of the mordenite. ### Claim 28 (depends on 24) The process as claimed in claim 24, wherein the paraffin is a refinery feedstock such as straight run naphtha, cracked run naptha and fcc naphtha. ### Claim 29 (depends on 28) The process as claimed in claim 28, wherein the paraffin is C5 to C10 linear paraffin. ### Claim 30 (depends on 24) The process as claimed in claim 24, wherein hydrogen is passed over the catalyst composition at a rate of 10-100 mL/min. ### Claim 31 (depends on 24) The process as claimed in claim 24, wherein the process is carried out at a temperature in the range of 150-300° C. ### Claim 32 (depends on 24) The process as claimed in claim 24, wherein the process is carried out at a pressure in the range of 5-50 bar. ### Claim 33 (depends on 24) The process as claimed in claim 24, wherein the paraffin weight hourly space velocity is in the range of 0.01 to 100 hr−1.