Conversion method for hydrocarbon oil

Abstract

A hydrocarbon oil transformation method comprises the following steps of: contacting hydrocarbon oil with a first catalyst under the cracking condition to obtain a reaction result and a hydrogen production catalyst contacting the hydrocarbon oil; separating the reaction result from the hydrogen production catalyst; and contacting the hydrogen production catalyst with vapor and an oxygen-containing gas, wherein the method also includes the steps of: contacting the reaction result with a cracking catalyst to obtain a cracking result and a used cracking catalyst, separating the cracking result from the used cracking catalyst, and regenerating the used cracking catalyst; the hydrogen production catalyst contains a heat-resistant inorganic oxide carrier and a metal active component loaded on the carrier; the metal active component is selected one or more of oxides, hydrates and carbonates of two- and three-valence metal elements selected from the IIA group, the IB group, the IIB group, theIVB group, the VB group, the VIB group, the VIIB group and the VIII group in periodic table of elements. The hydrocarbon oil transformation method can improve the hydrocarbon oil transformation efficiency as well as the yield of hydrogen gas.

Description

technical field [0001] The invention relates to a hydrocarbon oil conversion method. Background technique [0002] Catalytic cracking is one of the important means of petroleum secondary processing, which is used to produce gasoline, diesel, liquefied petroleum gas, etc. from heavy hydrocarbon oil. Generally speaking, the hydrocarbon oil cracking method includes contacting the hydrocarbon oil with a catalyst in a reactor under cracking conditions, and the hydrocarbon oil generates cracked products (the cracked products include light oil and gas) through a cracking reaction under the action of the catalyst. At the same time, the coke generated by the reaction is deposited on the catalyst, and the catalyst deposited with coke is generally called the spent catalyst; the spent catalyst and the cracked product are separated in the reaction settler, and the spent catalyst enters the reaction stripper to remove the carried oil gas After entering the regenerator for regeneration, t...

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Problems solved by technology

[0007] The purpose of the present invention is to provide a method for hydrocarbon oil conversion that can simultaneously increase the conversion rate of hydrocarbon oil and the yield of hydrogen in order to overcome the shortcomings of existing hydrocarbon oil conversion methods that cannot simultaneously increase the conversion rate of hydrocarbon oil and the yield of hydrogen gas

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