Hydrocatalyst and its preparing process

Abstract

A hydrocatalyst for decreasing S and olefine contents in poor gasoline and increasing its octane value is prepared from the metallic active component which is two or three of MoOe, CoO and NiO and the carrier prepared from TiO2, modified ZSM-5 molecular sieve and adhesive.

Description

technical field

[0001] The invention relates to a catalyst used in the hydrogenation process of hydrocarbons, more specifically to a hydrogenation upgrading catalyst for inferior gasoline, and also relates to a preparation method of the hydrogenation catalyst. Background technique

[0002] With the increasingly stringent environmental regulations around the world, people have higher and higher requirements on the quality of fuel oil, and the production of clean fuel is becoming more and more important. In the "World Fuel Charter", grade II gasoline requires an octane number (RON) of not less than 91, a sulfur content of not more than 200 μg / g, aromatics not higher than 40%, and olefins not higher than 20%. The purpose of limiting the content of olefins, aromatics and sulfur in gasoline is to reduce harmful substances in vehicle exhaust emissions and reduce air pollution. Since the finished gasoline in my country is mainly composed of catalytic cracking gasoline, the sulfur ...