The presentation is divided in two parts. In part one the impact on non-acidic components on the design of acid gas removal units (AGRU) will be discussed. Namely, the impact of hydrocarbons and BTEX on the design of the AGRU and partly operation will be presented. Beside that some focus will be set on how to deal with glycols and methanol in the feed gas. These components are sometimes added to natural gas as hydrate inhibitor, but the presence of these component can have a significant impact on the design and performance of the AGRU.
In the second part of the presentation some information will be given on how to deal with carbonyl sulfide, and mercaptans in natural gas. Finally, an alternative process configuration will be presented for acid gas ( CO2 + H2S) rich natural gases, which allows a more OPEX optimized plant design in combination with a low H2S specifications.
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