The instant invention relates to a method for preparing a hydrotreating catalyst having improved hydrodenitrification activity by impregnating an alumina supported Group VIB/Group VIII hydrogenating catalyst with a liquid form of a silicon compound having the general formula [Figure] wherein U, V, W
The instant invention relates to a method for preparing a hydrotreating catalyst having improved hydrodenitrification activity by impregnating an alumina supported Group VIB/Group VIII hydrogenating catalyst with a liquid form of a silicon compound having the general formula [Figure] wherein U, V, W, X, Y, and Z can individually be -R, -OR, -Cl, -Br, -SiH3, -COOR, -SiHnClm, R being either hydrogen, or an alkyl, cycloalkyl, aromatic, alkyl aromatic, alkylcycloalkyl radical having from 1 to 30 carbon atoms, “n”and “m”being whole numbers in the range of from 1 to 3 and “a”being a whole number in the range of from 0 to 80, in an amount sufficient to deposit from about 2 to about 8 percent by weight of the total catalyst of Si, and subsequently calcining said impregnated catalyst at a temperature ranging from about 300°C. to about 600°C. in an oxidizing atmosphere.
대표청구항▼
In a hydrofining process which hydrogenates nitrogen-containing hydrocarbons in a hydrocarbon feedstock which comprises contacting at hydrofining conditions said feed stock and hydrogen with a catalyst comprising a hydrogenating metal component selected from nickel, molybdenum and mixtures thereof s
In a hydrofining process which hydrogenates nitrogen-containing hydrocarbons in a hydrocarbon feedstock which comprises contacting at hydrofining conditions said feed stock and hydrogen with a catalyst comprising a hydrogenating metal component selected from nickel, molybdenum and mixtures thereof supported on an alumina support, the improvement which comprises using as catalyst said hydrogenating metal component supported on alumina which has been modified by impregnating said hydrogenating metal component supported on alumina with a liquid form of a silicon compound having the general formula [Figure] wherein U, V, W, X, Y, and Z can individually be -R or -SiH3, R being either hydrogen, or an alkyl, cycloalkyl, aromatic, alkyl aromatic, alkylcycloalkyl radical having from 1 to 30 carbon atoms, and “a”being a whole number in the range of from 5 to 60, in an amount sufficient to deposit from about 2 percent to about 8 percent by weight of the total catalyst of Si, and subsequently calcining said impregnated catalyst at a temperature ranging from about 300°C. to about 600°C. in an oxidizing atmosphere.
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이 특허를 인용한 특허 (6)
Ginestra,Josiane M.; Ackerman,Russell C.; Michel,Christian G., Alumina having bimodal pore structure, catalysts made therefrom and processes using same.
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