Patent ID: 7288181

Claim:
A process for producing low sulfur naphtha products comprising: a) contacting a naphtha boiling range feedstream containing organically bound sulfur, nitrogen-containing compounds, and olefins in a first reaction zone operated under conditions effective to remove at least a portion of said nitrogen-containing compounds with an acidic material to produce a first reaction zone effluent having a reduced amount of nitrogen-containing compounds; b) contacting at least a portion of said first reaction zone effluent in a second reaction zone operated under effective hydroisomerization conditions and in the presence of hydrogen-containing treat gas with a second catalyst comprising ZSM-48 having an alpha value in the range of about 1 to about 100 to produce a second reaction zone effluent; and c) hydrotreating at least a portion of the second reaction zone effluent of step b) above in a third reaction zone operated at effective hydrotreating conditions and in the presence of hydrogen-containing treat gas and a third catalyst selected from hydrotreating catalysts comprising about 0.1 to 27 wt. % of a Group VIII metal oxide, about 1 to 45 wt. % of a Group VI metal oxide, and having a median pore diameter of about 60 Å to about 200 Å to produce a desulfurized product.