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'Sour' crude oil has high natural sulphur content (at least 0.5%). [7] Extra treatment is required in the refining process; [6] impurities are removed to refine the crude into gasoline. [9] Due to the greater cost associated, it is more commonly refined into fuel oil and diesel - less valuable outputs than products of sweet crude oil. [9]
Like sour oil, there is some natural gas naturally high in sulfur, called sour gas (natural gas with little or no sulfur is called sweet gas). The sulfur is present in the form of hydrogen sulfide, a toxic gas that must be removed for safety reasons. Most natural gas has less than 1 percent hydrogen sulfide, but deposits have been discovered ...
Hydrodesulfurization or hydrodesulphurisation (Commonwealth English; see spelling differences) (HDS), also called hydrotreatment or hydrotreating, is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products, such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils.
The majority of the sulfur in crude oil occurs bonded to carbon atoms, with a small amount occurring as elemental sulfur in solution and as hydrogen sulfide gas. Sour oil can be toxic and corrosive, especially when the oil contains higher levels of hydrogen sulfide, which is a breathing hazard.
The Vadinar refinery is an oil refinery at Vadinar, Gujarat, India.It is owned and operated by Nayara Energy Limited, in which Rosneft owns a 49.13% stake. The refinery is India's second largest single-location refinery, with an annual capacity of 20 million tonnes (405,000 barrels per day) and a complexity of 11.8, which also makes it among the world's most complex refineries.
Nornickel said smelters in the Arctic city of Norilsk release roughly 1.8 million tonnes of sulphur dioxide emissions annually. Nornickel cut emissions in Norilsk by 30-35% in 2016 when it shut ...
Sahara Blend is a light crude, its extreme lightness and very low sulfur content makes it among the most popular with refineries for light derivatives such as gasoline and kerosene compared to Brent [1] and West Texas Intermediate (WTI). [2] [3] The API gravity of the Sahara Blend is around 45° and a sulfur content of 0.05%. [4]
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. This article is about the chemical element. For other uses, see Sulfur (disambiguation). Chemical element with atomic number 16 (S) Sulfur, 16 S Sulfur Alternative name Sulphur (pre-1992 British spelling) Allotropes see Allotropes of sulfur Appearance Lemon yellow sintered microcrystals ...