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Mechanism of dewatering porous structures with supercritical carbon dioxide

Case studies in chemical and environmental engineering, 2021-12, Vol.4 (C), p.100128, Article 100128 [Peer Reviewed Journal]

2021 The Author(s) ;ISSN: 2666-0164 ;EISSN: 2666-0164 ;DOI: 10.1016/j.cscee.2021.100128

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  • Title:
    Mechanism of dewatering porous structures with supercritical carbon dioxide
  • Author: Asafu-Adjaye, Osei ; Via, Brian ; Sastri, Bhima ; Banerjee, Sujit
  • Subjects: Viscous fingering coal porous supercritical co2
  • Is Part Of: Case studies in chemical and environmental engineering, 2021-12, Vol.4 (C), p.100128, Article 100128
  • Description: Wet porous structures such as coal, paper, wood and sludge are dewatered by supercritical carbon dioxide (sCO2) by a combination of two processes. The free water is physically displaced by the CO2 whereas the bound water is solubilized by it. The degree of displacement is exclusively dictated by the viscosity of sCO2, which is strongly dependent on temperature. Displacement is the most efficient means of dewatering possible, and the relatively mild temperatures used in this application should lead to favorable industrial economics.
  • Publisher: Elsevier Ltd
  • Language: English
  • Identifier: ISSN: 2666-0164
    EISSN: 2666-0164
    DOI: 10.1016/j.cscee.2021.100128
  • Source: DOAJ: Directory of Open Access Journals
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