High-quality Gasoline Process by China Petrochemical Technology Co., Ltd.

S Zorb sulfur removal technology (S Zorb SRT) was originally developed and commercialized by Phillips Petroleum Co. (now ConocoPhillips Co.) SINOPEC purchased the ownership of the S Zorb sulfur removal suite of technologies in July 2007.

High-quality Gasoline Process by China Petrochemical Technology Co., Ltd.

S Zorb SRT is designed to remove sulfur from full-range naphtha, from as high as 2,000 μg/g feed sulfur, to as low as < 10 μg/g product sulfur, in a one-step process with high liquid yield and high octane number retention. S Zorb SRT is different from what is commonly known as the hydrodesulfurization (HDS) technologies. What distinguishes S ZorbT SRT from the HDS processes includes: • High octane number retention (especially for reducing > 1,000 μg/g feed sulfur to < 10 μg/g product sulfur in one step) • Better selectivity and more reactive toward all sulfur-containing species for S Zorb sorbent • Low net hydrogen consumption, low hydrogen feed purity needed; reformer hydrogen is an acceptable hydrogen source • Low energy consumption, no pre-splitting of fluid catalytic cracker (FCC) feed stream, full-range naphtha is applicable • High liquid yield, over 99.7 volume % in most cases • Renewable sorbent with sustained stable activity to allow synchronization of maintenance schedule with the FCC unit. Licensor: China Petrochemical Technology Co., Ltd

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