PRODUCTION PROCESS FOR GASOLINE HAVING IMPROVED OCTANE VALUE
PROBLEM TO BE SOLVED: To provide a production process for gasoline having an improved octane value. SOLUTION: This process comprises the step of bringing a charged raw material into contact with a noble metal catalyst in a hydrogenation and isomerization zone 7; the step of separating the effluent f...
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| creator | BENAZZI ERIC MARCHAL-GEORGE NATHALIE BIGEARD PIERRE-HENRI CSERI TIVADAR |
| description | PROBLEM TO BE SOLVED: To provide a production process for gasoline having an improved octane value. SOLUTION: This process comprises the step of bringing a charged raw material into contact with a noble metal catalyst in a hydrogenation and isomerization zone 7; the step of separating the effluent from the foregoing step into a gasoline fraction 15, an intermediate fraction 16, and a residue 17 in a normal-pressure distillation tower 12; the step of separating the gasoline fraction 15 into an effluent containing isoparaffin and an effluent containing n-paraffin in an isoparaffin separation zone 32; the step of bringing the effluent containing n-paraffin into contact with a catalyst containing a hydrogenation and dehydrogenation metal and an acidic solid in the presence of hydrogen in a paraffin isomerization zone 35 to give an effluent containing isoparaffin; and the step of bringing the residue into contact with a catalyst containing a molecular sieve in a catalytic paraffin removal zone 18. |
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SOLUTION: This process comprises the step of bringing a charged raw material into contact with a noble metal catalyst in a hydrogenation and isomerization zone 7; the step of separating the effluent from the foregoing step into a gasoline fraction 15, an intermediate fraction 16, and a residue 17 in a normal-pressure distillation tower 12; the step of separating the gasoline fraction 15 into an effluent containing isoparaffin and an effluent containing n-paraffin in an isoparaffin separation zone 32; the step of bringing the effluent containing n-paraffin into contact with a catalyst containing a hydrogenation and dehydrogenation metal and an acidic solid in the presence of hydrogen in a paraffin isomerization zone 35 to give an effluent containing isoparaffin; and the step of bringing the residue into contact with a catalyst containing a molecular sieve in a catalytic paraffin removal zone 18.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY MINERAL WAXES NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | PRODUCTION PROCESS FOR GASOLINE HAVING IMPROVED OCTANE VALUE |
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