Process for producing light olefins by catalytic conversion of hydrocarbons
A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica zeolite having a structure of pentasil cataly...
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| creator | WENYUAN SHI RENNAN PAN FUKANG JIANG SHICHUN LI ZAITING LI SHUNHUA LIU CHAOGANG XIE |
| description | A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica zeolite having a structure of pentasil catalysts and catalytically converted at a temperature of 480 DEG to 680 DEG C. and a pressure of 1.2x105 to 4.0x105Pa, with a contact time of 0.1 to 6 seconds, a weight ratio of catalyst to feedstock of 4:1 to 20:1 and a weight ratio of steam to feedstock of 0.01:1 to 0.5:1. |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CRACKING HYDROCARBON OILS FUELS GENERAL METHODS OF ORGANIC CHEMISTRY LUBRICANTS METALLURGY MINERAL WAXES ORGANIC CHEMISTRY 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 TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Process for producing light olefins by catalytic conversion of hydrocarbons |
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