Efficient CO2 capture by non-aqueous 2-amino-2-methyl-1-propanol (AMP) and low temperature solvent regeneration (Articolo in rivista)

Type
Label
  • Efficient CO2 capture by non-aqueous 2-amino-2-methyl-1-propanol (AMP) and low temperature solvent regeneration (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c3ra40933c (literal)
Alternative label
  • Barbarossa Vincenzo; Barzagli Francesco; Mani Fabrizio; Lai Sarah; Stoppioni Piero; Vanga Giuseppina. (2013)
    Efficient CO2 capture by non-aqueous 2-amino-2-methyl-1-propanol (AMP) and low temperature solvent regeneration
    in RSC advances
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Barbarossa Vincenzo; Barzagli Francesco; Mani Fabrizio; Lai Sarah; Stoppioni Piero; Vanga Giuseppina. (literal)
Pagina inizio
  • 12349 (literal)
Pagina fine
  • 12355 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84881538459&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 3 (literal)
Rivista
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  • 30 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ENEA, Centro Ricerche Casaccia, Via Anguillarese 301, 00123 Rome, Italy; ICCOM CNR, Via Madonna del Piano Firenze, 10-50019 Sesto Fiorentino, Italy; University of Florence, Department of Chemistry, Via della Lastruccia Firenze, 3-50019 Sesto Fiorentino, Italy (literal)
Titolo
  • Efficient CO2 capture by non-aqueous 2-amino-2-methyl-1-propanol (AMP) and low temperature solvent regeneration (literal)
Abstract
  • An experimental study describes the reversible fixation of CO2 by non-aqueous solutions of 2-amino-2- methyl-1-propanol (AMP). The captured CO2 is stored in solution as AMP carbamate and alcohol carbonates in different relative amounts as a function of the CO2-AMP ratio. The identification and the quantification of the species in solution were obtained from 13C NMR spectroscopic analysis. The benchscale experiments of CO2 fixation and solvent regeneration have been carried out in a continuous cycle where the CO2-loaded and regenerated solutions are continuously circulated between the desorber and absorber. The carbonated solutions are decomposed in the desorber at 80-90 uC to regenerate the free amine for its reuse, affording CO2 absorption efficiency over 90%. The replacement of water with an organic solvent and the relatively low temperature of the desorption-regeneration step, could have the potential of reducing some disadvantages of aqueous absorbents, namely the amine loss by degradation and evaporation, equipment corrosion and energy cost of the regeneration step, yet preserving the high efficiency of aqueous amines. (literal)
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