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Treating difficult feed gases to LNG plants.

Author(s) : BRAS E., ZWET G. van der, KLINKENBIJL J., et al.

Summary

This paper describes how contaminants (e.g. hydrogen sulphide, mercaptans, carbon dioxide, water, salts, organic acids) and the necessary additives (e.g. corrosion inhibitor, hydrate inhibitor) can be dealt with in the integrated designs whilst complying with ever more stringent environmental requirements (e.g. water disposal quality, sulphur dioxide emissions, hydrocarbon losses). It also describes how the various contaminants and additives can interact (e.g. forming emulsions, solids) and can cause additional problems such as foaming, fouling or corrosion. This is illustrated in specific examples. The paper concludes that a functioning and cost-effective line-up can only be achieved with good input data and by using an integrated approach, in which all the processing steps such as pipelining, separation, stabilisation, treating and NGL extraction are considered together.

Details

  • Original title: Treating difficult feed gases to LNG plants.
  • Record ID : 2008-1141
  • Languages: English
  • Source: LNG 15. Proceedings of the 15th International Conference and Exhibition of Liquefied Natural Gas.
  • Publication date: 2007/04/24

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