JGC - Integrated Hydrogen Desulfurization System for Refinery

In this process, crude oil is firstly fractionated into gas oil and lighter fractions and a residue. The gas oil and lighter fractions are hydrotreated all at once in one Hydrotreater (HTR) to meet the sulfur specification of each product. After hydrogen desulfurization, the gas oil and lighter fractions are further fractionated into LPG, light naphtha, heavy naphtha, kerosene, and gas oil. The heavy naphtha fraction is processed through a catalytic reforming unit to produce a reformate for gasoline blending. Hydrogen produced at the catalytic reformer is used for Hydrotreater, therefore, JUST^® Refinery has a system of hydrogen self-sufficient. Moreover, the integrated utility facility and a simplified offsite facility also contribute to reducing the total refinery CAPEX and OPEX. Sulfur in product gas oil specified in Basic Design Package is less than 50 ppm. Furthermore, pilot test results have shown that sulfur in product gas oil could be less than 10ppm, depending on the raw material, for instance when it consists of condensate accompanying natural gas.

Compared with a conventional refinery

• Process units required     30 % reduction
• No. of HTR main equipment     65 % reduction
• No. of offsite tank     55 % reduction
• Initial investment     30 % reduction
• Area required     35 % reduction
• Internal rate of return (IRR)     5 % Increase

• Grassroots refinery
• Expansion and modernization for existing refineries
• New installation of a desulfurization facility required to treat a new kind of crude oil