Abstract
The formation and deposition of elemental sulfur (S8) in natural gas pipelines are a frequent problem. The formation of a yellow powder, which is known as S8, is influenced by operational condition changes, such as pressure and temperature drops, natural gas composition, and additives used in pipelines. S8 may occur in pipelines due to the desublimation of sulfur dissolved in natural gas, where it changes into a solid state. This phenomenon may lead to serious consequences to gas production, processing, operation, and transportation. The objective of this study is to better understand the kinetics and operational variables that influence S8 formation to find solutions for reducing or eliminating the occurrence of this compound during natural gas transportation in pipelines.
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