Hydrodesulfurization
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Hydrodesulfurization, also called hydrotreatment or hydrotreating, is a catalytic chemical process widely used to remove sulfur from natural gas and from refined petroleum products, such as gasoline o
Hydrodesulfurization unit in a refinery
Hydrodesulfurization, hydrodenitrogenation
Claus process
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The Claus process is a desulfurizing process, recovering elemental sulfur from gaseous mixtures containing hydrogen sulfide. First patented in 1883 by the chemist Carl Friedrich Claus, the Claus proce
Piles of sulfur produced in Alberta by the Claus process awaiting shipment at docks in Vancouver, Canada.