ADVANCED ELEVATED FEED DISTRIBUTION SYSTEM FOR LARGE DIAMETER FCC REACTOR RISERS
An elevated feed distribution system for an FCC(Fluid Catalytic Cracking) reactor riser with a long diameter is provided to improve the dispersion of feeds and mixing efficiency of feeds and a catalyst by supplying feeds through apertures formed across a cross section of a large area of the riser. A...
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| creator | PALMAS PAOLO MYERS DANIEL N VAN OPDORP PETER J JOHNSON DANIEL R |
| description | An elevated feed distribution system for an FCC(Fluid Catalytic Cracking) reactor riser with a long diameter is provided to improve the dispersion of feeds and mixing efficiency of feeds and a catalyst by supplying feeds through apertures formed across a cross section of a large area of the riser. An FCC apparatus is composed of a riser(20) of a diameter(D) divided into the length of an upper end, a lower end, and between the upper and lower ends, and a peripheral wall(22) and at least two distributors(12) arranged at different radial positions. At least two distributors have at least one aperture. At least one aperture of at least two distributors is arranged at different radial positions in the riser. At least one aperture of at least one of the distributors is separated from the peripheral wall at a distance of over 10% of the diameter from the closest part of the peripheral wall. |
| format | Patent |
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An FCC apparatus is composed of a riser(20) of a diameter(D) divided into the length of an upper end, a lower end, and between the upper and lower ends, and a peripheral wall(22) and at least two distributors(12) arranged at different radial positions. At least two distributors have at least one aperture. At least one aperture of at least two distributors is arranged at different radial positions in the riser. 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| subjects | CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES PEAT PETROLEUM, GAS OR COKE INDUSTRIES 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 |
| title | ADVANCED ELEVATED FEED DISTRIBUTION SYSTEM FOR LARGE DIAMETER FCC REACTOR RISERS |
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