# US 5,346,611 A · Reforming/dehydrocyclization catalysts > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,346,611 A - Document ID: US5346611A - Status: Granted - Kind: A - Application number: 08/086,961 - Filed: 1993-07-02 - Granted: 1994-09-13 - Earliest claimed: 1986-03-27 - Assignees: Uop LLC - Inventors: Peter K. Coughlin; Regis J. Pellet - Web page: https://patentgrep.com/patent/US5346611A ## CPC - B01J 29/85: Silicoaluminophosphates [SAPO compounds] - C10G 35/065: {containing crystalline zeolitic molecular sieves, other than aluminosilicates} - B01J 2229/26: to stabilize the total catalyst structure - B01J 2229/42: Addition of matrix or binder particles - B01J: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS - C10G: CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES ## Abstract Reforming and dehydrocyclization catalysts and processes are disclosed wherein reforming catalysts comprise a Group VIII metal and at least one bound medium pore non-zeolitic molecular sieve characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20.degree. C. and characterized by an adsorption of triethylamine less than about 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22.degree. C. The binder preferably is alumina and/or silica, and the Group VIII metal preferably is platinum. ## Claims ### Claim 1 A reforming process comprising contacting a mixed hydrocarbon fraction to obtain a higher-octane product under effective reforming conditions using a catalyst comprising amounts effective to render the catalyst active as a reforming catalyst of: (a) at least one MP-NZMS characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20.degree. C. and also characterized by an adsorption of triethylamine less than about 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22.degree. C.; (b) an inorganic-oxide binder; and (c) at least one Group VIII metal. ### Claim 2 (depends on 1) The process according to claim 1 wherein the adsorption of triethylamine of the MP-NZMS is less than about 3 percent by weight. ### Claim 3 (depends on 1) The process according to claim 1 wherein the MP-NZMS is present in an amount of between about 1 and about 99.9 weight percent based on the total catalyst weight. ### Claim 4 (depends on 1) The process according to claim 1 wherein the effective reforming conditions comprise a temperature of about 700.degree. F. to about 1000.degree. F., a pressure of from about atmospheric to about 1000 psig, a WHSV of at least 0.5 weight unit of hydrocarbon per hour per weight unit of catalyst, and a recycle gas rate within the range of about 1,000 SCFB to about 20,000 SCFB. ### Claim 5 (depends on 1) The process according to claim 1 wherein the binder is present in an effective amount of up to about 25 weight percent based on the total catalyst weight. ### Claim 6 (depends on 1) The process according to claim 1 wherein the binder is selected from one or more of aluminas and silicas. ### Claim 7 (depends on 1) The process according to claim 1 wherein the Group VIII metal is present in the catalyst on an elemental basis in an amount of between about 0.1 and 2 wt. %, based on the total weight of the catalyst. ### Claim 8 (depends on 1) The process according to claim 1 wherein the Group VIII metal comprises at least one metal selected from the group consisting of platinum, iridium, palladium, rhodium, ruthenium and mixtures thereof. ### Claim 9 (depends on 8) The process according to claim 8 wherein the metal comprises platinum. ### Claim 10 (depends on 1) The process according to claim 1 wherein the catalyst further comprises a second metal component selected from the group consisting of rhenium, tungsten and tin components. ### Claim 11 (depends on 10) The process according to claim 10 wherein the weight ratio of the Group VIII metal to the second metal is between about 1:5 and 5:1 on an elemental basis. ### Claim 12 (depends on 1) The process according to claim 1 wherein the MP-NZMS is one or more selected from the group of silicoaluminophosphate molecular sieves. ### Claim 13 (depends on 12) The process according to claim 12 wherein the MP-NZMS is one or more from the group consisting of SAPO-11, SAPO-31, SAPO-40 and SAPO-41. ### Claim 14 (depends on 1) The process according to claim 1 wherein the catalyst further comprises an inorganic-oxide carrier. ### Claim 15 (depends on 14) The process according to claim 14 wherein the MP-NZMS is present in an amount of between about 5 and about 70 weight percent based on the total catalyst weight. ### Claim 16 (depends on 14) The process according to claim 14 wherein the inorganic-oxide carrier comprises alumina. ### Claim 17 (depends on 16) The process according to claim 16 wherein the alumina comprises chlorinated alumina. ### Claim 18 (depends on 1) The process according to claim 1 comprising a dehydrocyclization process to obtain aromatic components at dehydrocyclization conditions. ### Claim 19 A reforming process comprising contacting a mixed hydrocarbon fraction to obtain a higher-octane product under effective reforming conditions comprising a temperature of about 700.degree. F. to about 1000.degree. F., a pressure of from about atmospheric to about 1000 psig, a WHSV of at least 0.5 weight unit of hydrocarbon per hour per weight unit of catalyst, and a recycle gas rate within the range of about 1,000 SCFB to about 20,000 SCFB using a catalyst comprising amounts effective to render the catalyst active as a reforming catalyst of: (a) at least one MP-NZMS characterized in the calcined form by an adsorption of isobutane of at least 2 percent by weight at a partial pressure of 500 torr and a temperature of 20.degree. C. and also characterized by an adsorption of triethylamine less than about 5 percent by weight at a partial pressure of 2.6 torr and a temperature of 22.degree. C.; (b) an inorganic-oxide binder comprising one or more of silicas and aluminas; and (c) at least one Group VIII metal present in the catalyst on an elemental basis in an amount of between about 0.1 and 2 wt. %, based on the total weight of the catalyst. ### Claim 20 A reforming process comprising contacting a mixed hydrocarbon fraction to obtain a higher-octane product under effective reforming conditions comprising a temperature of about 700.degree. F. to about 1000.degree. F., a pressure of from about atmospheric to about 1000 psig, a WHSV of at least 0.5 weight unit of hydrocarbon per hour per weight unit of catalyst, and a recycle gas rate within the range of about 1,000 SCFB to about 20,000 SCFB using a catalyst comprising amounts effective to render the catalyst active as a reforming catalyst of: (a) one or more MP-NZMSs selected from the group consisting of SAPO-11, SAPO-31, SAPO-40 and SAPO-41; (b) an inorganic-oxide binder comprising one or more of silicas and aluminas; and (c) at least one Group VIII metal present in the catalyst on an elemental basis in an amount of between about 0.1 and 2 wt. %, based on the total weight of the catalyst.