Solubility of carbon dioxide in mixtures of 2-amino-2-methyl-1-propanol and organic solvents

Helena Svensson, Johan Edfeldt, Vanessa Zejnullahu Velasco, Christian Hulteberg, Hans Karlsson

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

39 !!Citations (SciVal)

Sammanfattning

Sterically hindered amines, such as 2-amino-2-methyl-1-propanol (AMP), are an interesting alternative to the amines used in conventional CO2 absorption processes in industrial applications. One reason for this is because the carbamate formed is not stable, which may be beneficial during the regeneration of the amine solution in terms of a reduced energy requirement.

This paper presents experimental data on the solubility of CO2 in solutions of AMP in one of two organic solvents: N-methyl-2-pyrrolidone or triethylene glycol dimethyl ether, at different amine concentrations (15 wt% and 25 wt%) and temperatures (25 °C and 50 °C). A solid precipitate was observed during some of the experiments. The absorption capacity of the solution increased with AMP concentration and was higher at lower temperatures.
Originalspråkengelska
Sidor (från-till)247-254
TidskriftInternational Journal of Greenhouse Gas Control
Volym27
DOI
StatusPublished - 2014

Ämnesklassifikation (UKÄ)

  • Kemiteknik

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