Dehydration of natural gas and biogas streams using solid desiccants: a review

Abstract

Natural gas and biogas are two mixtures that consist of methane as their main component. These two gas mixtures are usually saturated with water vapor, which cause many problems, such as damaging the gas processing equipment by increasing the gas’s corrosion potential or clogging the pipelines due to gas hydrate formation. Thus, removing water vapor from these gas streams is mandatory. In this review paper, the main dehydration methods have been overviewed, and scrutiny of the adsorption dehydration has been carried out. Furthermore, the most important solid desiccants and their improvements have been reviewed.

Graphical abstract

Keywords

natural gas / biogas / dehydration / adsorption / solid desiccant

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Acknowledgements

The authors are thankful to the Research Council of Iran University of Science and Technology (Tehran).

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