Molecular sieves in gas processing: Effects and consequences by contaminants
The principles of adsorption on molecular sieves are easy to understand, but practice sometimes reveals traps to avoid.
In the natural gas
processing chain, pretreatment typically includes removing
acid gas, sulfur and mercury. The moisture specification of the
gas depends on the downstream equipment. When cryogenic
processes are involved, such as in natural gas liquids (NGLs)
recovery or liquefied natural
gas (LNG) production, avoiding hydrates requires water dew
points that only zeolite-based molecular sieves can
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