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A review of next-generation alkaline-based carbonation technologies for integrated CO₂ capture, brine management, and resource recovery.

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Title: A review of next-generation alkaline-based carbonation technologies for integrated CO₂ capture, brine management, and resource recovery.
Authors: Mourad, Aya A-H.1 (AUTHOR), Hussain, Mariyam M.2 (AUTHOR), Alsenaani, Fatima Y.2 (AUTHOR), Khalil, Afnan2 (AUTHOR), Albazi, Al Rayyan2 (AUTHOR), Mohammad, Ameera F.1,3 (AUTHOR) a.fares@uaeu.ac.ae
Source: International Journal of Greenhouse Gas Control. Jul2026, Vol. 154, pN.PAG-N.PAG. 1p.
Subject Terms: *Carbon sequestration, *Resource recovery facilities, Carbonation (Chemistry), Chemical reagents, Salt, Electrolytic reduction, Catalysis
Company/Entity: Solvay SA
Abstract: • Presents a comprehensive review of next-generation alkaline carbonation technologies. • Integrates CO₂ capture with brine desalination and resource recovery innovations. • Evaluates alternative bases, waste-derived reagents, biochar, and biopolymers. • Assesses catalytic advances including metal oxides, nanoparticles, SACs, and MOFs. • Electrochemical intensification (ED, BMED, EC) for chemical self-sufficiency. Alkaline-based carbonation technologies have emerged as versatile platforms for CO₂ capture, mineralization, and resource recovery in response to the growing demand for low-carbon industrial processes and sustainable brine management. This review provides a comprehensive, cross-disciplinary synthesis of chemical, electrochemical, catalytic, and materials-based innovations in next-generation alkaline carbonation systems, including modified Solvay-based processes, for CO₂ capture, brine desalination, and resource recovery. These systems encompass electrochemically regenerated alkalinity, waste-derived alkaline reagents, hybrid carbonation–electro conversion pathways, and catalytic carbonation strategies. The review examines different alkalinity sources, electrochemical pathways, and advanced materials, focusing on their roles in improving process efficiency and selectivity. Electrochemical approaches are highlighted for their ability to generate alkalinity in situ and reduce reliance on external chemical inputs. Recent material innovations further expand the technological scope and improve system performance. CO₂ capture efficiencies and effective ion removal have been reported across various system configurations. System performance is strongly influenced by operating conditions, energy inputs, and scalability constraints. These systems also enable resource recovery and support circular economy approaches. Collectively, this review consolidates fragmented progress into a unified framework, identifying the key bottlenecks, scaling considerations, mechanistic insights, and techno-economic trends that will shape next-generation alkaline carbonation systems. The findings position the modified Solvay process as a versatile, industrially relevant, and environmentally aligned platform capable of advancing global CO₂ mitigation and sustainable brine management. These findings highlight key trade-offs between efficiency, energy demand, and long-term stability. [Display omitted] Next-Generation Alkaline Carbonation Technologies for Integrated CO 2 Capture, Brine Management, and Resource Recovery [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Greenhouse Gas Control is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: GreenFILE
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Header DbId: 8gh
DbLabel: GreenFILE
An: 194519821
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: A review of next-generation alkaline-based carbonation technologies for integrated CO₂ capture, brine management, and resource recovery.
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  Data: <searchLink fieldCode="AR" term="%22Mourad%2C+Aya+A-H%2E%22">Mourad, Aya A-H.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hussain%2C+Mariyam+M%2E%22">Hussain, Mariyam M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alsenaani%2C+Fatima+Y%2E%22">Alsenaani, Fatima Y.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Khalil%2C+Afnan%22">Khalil, Afnan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Albazi%2C+Al+Rayyan%22">Albazi, Al Rayyan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mohammad%2C+Ameera+F%2E%22">Mohammad, Ameera F.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> a.fares@uaeu.ac.ae</i>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Greenhouse+Gas+Control%22">International Journal of Greenhouse Gas Control</searchLink>. Jul2026, Vol. 154, pN.PAG-N.PAG. 1p.
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  Data: *<searchLink fieldCode="DE" term="%22Carbon+sequestration%22">Carbon sequestration</searchLink><br />*<searchLink fieldCode="DE" term="%22Resource+recovery+facilities%22">Resource recovery facilities</searchLink><br /><searchLink fieldCode="DE" term="%22Carbonation+%28Chemistry%29%22">Carbonation (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+reagents%22">Chemical reagents</searchLink><br /><searchLink fieldCode="DE" term="%22Salt%22">Salt</searchLink><br /><searchLink fieldCode="DE" term="%22Electrolytic+reduction%22">Electrolytic reduction</searchLink><br /><searchLink fieldCode="DE" term="%22Catalysis%22">Catalysis</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Solvay+SA%22">Solvay SA</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Presents a comprehensive review of next-generation alkaline carbonation technologies. • Integrates CO₂ capture with brine desalination and resource recovery innovations. • Evaluates alternative bases, waste-derived reagents, biochar, and biopolymers. • Assesses catalytic advances including metal oxides, nanoparticles, SACs, and MOFs. • Electrochemical intensification (ED, BMED, EC) for chemical self-sufficiency. Alkaline-based carbonation technologies have emerged as versatile platforms for CO₂ capture, mineralization, and resource recovery in response to the growing demand for low-carbon industrial processes and sustainable brine management. This review provides a comprehensive, cross-disciplinary synthesis of chemical, electrochemical, catalytic, and materials-based innovations in next-generation alkaline carbonation systems, including modified Solvay-based processes, for CO₂ capture, brine desalination, and resource recovery. These systems encompass electrochemically regenerated alkalinity, waste-derived alkaline reagents, hybrid carbonation–electro conversion pathways, and catalytic carbonation strategies. The review examines different alkalinity sources, electrochemical pathways, and advanced materials, focusing on their roles in improving process efficiency and selectivity. Electrochemical approaches are highlighted for their ability to generate alkalinity in situ and reduce reliance on external chemical inputs. Recent material innovations further expand the technological scope and improve system performance. CO₂ capture efficiencies and effective ion removal have been reported across various system configurations. System performance is strongly influenced by operating conditions, energy inputs, and scalability constraints. These systems also enable resource recovery and support circular economy approaches. Collectively, this review consolidates fragmented progress into a unified framework, identifying the key bottlenecks, scaling considerations, mechanistic insights, and techno-economic trends that will shape next-generation alkaline carbonation systems. The findings position the modified Solvay process as a versatile, industrially relevant, and environmentally aligned platform capable of advancing global CO₂ mitigation and sustainable brine management. These findings highlight key trade-offs between efficiency, energy demand, and long-term stability. [Display omitted] Next-Generation Alkaline Carbonation Technologies for Integrated CO 2 Capture, Brine Management, and Resource Recovery [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Greenhouse Gas Control is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijggc.2026.104681
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Carbon sequestration
        Type: general
      – SubjectFull: Resource recovery facilities
        Type: general
      – SubjectFull: Carbonation (Chemistry)
        Type: general
      – SubjectFull: Chemical reagents
        Type: general
      – SubjectFull: Salt
        Type: general
      – SubjectFull: Electrolytic reduction
        Type: general
      – SubjectFull: Catalysis
        Type: general
      – SubjectFull: Solvay SA
        Type: general
    Titles:
      – TitleFull: A review of next-generation alkaline-based carbonation technologies for integrated CO₂ capture, brine management, and resource recovery.
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            NameFull: Mourad, Aya A-H.
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            NameFull: Hussain, Mariyam M.
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            NameFull: Alsenaani, Fatima Y.
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            NameFull: Khalil, Afnan
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            NameFull: Albazi, Al Rayyan
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            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 154
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            – TitleFull: International Journal of Greenhouse Gas Control
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