MODERN METHODS AND TECHNOLOGIES FOR NATURAL GAS PURIFICATION FROM ACIDIC COMPONENTS
Abstract
A significant portion of the gas produced today (natural and associated) contains acidic components – hydrogen sulfide and carbon dioxide. Hydrogen sulfide is a toxic substance, and its maximum content in gas supplied to main pipelines is regulated by standards. Hydrogen sulfide and carbon dioxide in the presence of water form acids that cause chemical and electrochemical corrosion of metals. Under certain conditions, hydrogen sulfide causes sulfide cracking of metals. The presence of a significant amount of carbon dioxide in the gas reduces the heat of its combustion, which is also regulated.
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