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Sulfur dioxide is the oxidising agent in the Claus process, which is conducted on a large scale in oil refineries. Here, sulfur dioxide is reduced by hydrogen sulfide to give elemental sulfur: SO 2 + 2 H 2 S → 3 S + 2 H 2 O. The sequential oxidation of sulfur dioxide followed by its hydration is used in the production of sulfuric acid.
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 ...
Crude oil contains sulfur in its composition, with the latter being the most abundant element after carbon and hydrogen. [2] Depending on its source, the amount of sulfur present in crude oil can range from 0.05 to 10%. [3] Accordingly, the oil can be classified as sweet or sour if the sulfur concentration is below or above 0.5%, respectively. [4]
Asia's hydrogen gas demand will rise as the region's oil refineries use the gas to produce low-sulphur fuel to meet new environmental regulations, the head of the world's largest industrial gas ...
Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% (by weight), the oil is called "sour".
By 1987, about 170 Stretford plants had been built worldwide, and more than 100 were still operating in 1992, capable of removing 400,000 tons of sulfur per year. [4] The first US plant was commissioned in 1971 at Long Beach, California , to process the gas from offshore oil wells.
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.
LSMGO - Low-sulfur (<0.1%) Marine Gas Oil - The fuel is to be used in EU Ports and Anchorages. EU Sulfur directive 2005/33/EC; ULSMGO - Ultra-Low-Sulfur Marine Gas Oil - referred to as Ultra-Low-Sulfur Diesel (sulfur 0.0015% max) in the US and Auto Gas Oil (sulfur 0.001% max) in the EU. Maximum sulfur allowable in US territories and territorial ...