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- W185976860 abstract "The shortage of natural gas and low sulfur coal in industrialized countries and almost universal concern for preserving the quality of the environment have made petroleum residues the principal source of industrial, commercial and utility fuels in many areas of the world. The rising demand for clean residual fuels could not be satisfied by naturally occurring low sulfur crudes alone. Thus, high sulfur residues are being hydrodesulfurized on an ever-increasing scale to meet legislated sulfur limits designed to control sulfur oxide emissions. Although stack gas scrubbing is a technically feasible alternative to hydrodesulfurization for direct reduction of sulfur oxide emissions, this route generally is considered to be more expensive than residue desulfurization. Gulf's Type I and Type II residue HDS processes (Gulf HDS) are commercially proven processes for the removal of sulfur from petroleum residues to produce low sulfur fuel by direct hydrodesulfurization. The distinguishing features of the Gulf HDS Processes are: economic attractiveness (technological and design advantages are reflected in investment and operation costs); flexibility (the sulfur removal capacity of the plants can be modified to meet the most stringent fuel oil sulfur content specifications); versatility (it can be mated with Gulf's Riser Fluid Catalytic Cracking to produce distillatesmore » and gasoline and this combination is more economical than conventional schemes including delayed coking); reliability (Gulf HDS Processes have been operating without any process interruptions since their start-up dates. The first Gulf residue hydrosulfurization unit (Table I) went on stream in January 1970 at the Mizushima Refinery of Nippon Mining Company. Since then, three other units have been constructed and are operational producing fuel oils with sulfur contents between 0.6% and 1.2% from atmospheric residua containing 2.0% to 4.6% sulfur and less than 90 ppm Ni + V.« less" @default.
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- W185976860 date "1976-02-01" @default.
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- W185976860 title "Clean residual fuels from the Gulf HDS process" @default.
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