Ad
related to: factorio sulfur production method
Search results
Results From The WOW.Com Content Network
In its most basic form the ores were piled in a mound and ignited. The semi-pure sulfur flowed down and the solidified mass was collected at a lower level. It was the only industrial method of recovering sulfur from elemental deposits until replaced by the Frasch process. [1] Most of the world's sulfur was obtained this way until the late 19th ...
The Frasch process is a method to extract sulfur from underground deposits by taking advantage of the low melting point of sulfur. It is the only industrial method of recovering sulfur from elemental deposits. [1] Most of the world's sulfur was obtained this way until the late 20th century, when sulfur recovered from petroleum and gas sources ...
In 1885, he founded the Empire Oil Company and began perfecting a method for removing sulfur from sour crude oil. The presence of sulfur in oil causes it to smell noxious and release excessive soot as it burns, making the oil virtually useless for many purposes. John D. Rockefeller's Standard Oil company owned fields of oil that contained ...
Between 1832 and 1836, sulphur production doubled. [8] Until the invention of the Frasch process in 1891, sulphur extracted from volcanic rock in Sicily by the Sicilian method made up the vast majority of the world's production.
The development of methods for using pyrites (of much lower cost) instead of sulfur in the production of sulfuric acid along with the spread of the Solvay method of producing artificial soda ash were decisive in the gradual loss of market share, particularly in Germany and England, resulting in the collapse of Sicilian sulfur prices. Production ...
The vast majority of the 64,000,000 tonnes of sulfur produced worldwide in 2005 was byproduct sulfur from refineries and other hydrocarbon processing plants. [3] [4] [5] Sulfur is used for manufacturing sulfuric acid, medicine, cosmetics, fertilizers and rubber products. Elemental sulfur is used as fertilizer and pesticide.
The wet sulfuric acid process (WSA process) is a gas desulfurization process. After Danish company Haldor Topsoe introduced this technology in 1987, it has been recognized as a process for recovering sulfur from various process gases in the form of commercial quality sulfuric acid (H 2 SO 4) with the simultaneous production of high-pressure steam.
The sulfur is recovered as concentrated sulfuric acid and the nitrogen oxides are reduced to free nitrogen. The process is based on the well-known wet sulfuric acid process (WSA), a process for recovering sulfur from various process gasses in the form of commercial quality sulfuric acid (H 2 SO 4 ).