IDEAS home Printed from https://ideas.repec.org/a/gam/jwaste/v3y2025i2p17-d1666183.html

Enhanced CO 2 Sequestration in Recycled Aggregates: Exploring Novel Capture-Promoting Additives

Author

Listed:
  • David Bastos

    (c5Lab—Sustainable Construction Materials Association, Edifício Central Park, Rua Central Park 6, 2795-242 Linda-a-Velha, Portugal)

  • Ricardo Infante Gomes

    (LNEC, National Laboratory for Civil Engineering, Av. do Brasil 101, 1700-066 Lisbon, Portugal
    CERIS, Instituto Superior Técnico, University of Lisbon, Av. Rovisco Pais 1, 1049-00 Lisbon, Portugal)

  • Diogo Gonçalves

    (CERENA, Chemical Engineering Department, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001 Lisboa, Portugal)

  • Catarina Brazão Farinha

    (LNEC, National Laboratory for Civil Engineering, Av. do Brasil 101, 1700-066 Lisbon, Portugal)

  • Cinthia Maia Pederneiras

    (LNEC, National Laboratory for Civil Engineering, Av. do Brasil 101, 1700-066 Lisbon, Portugal
    CERIS, Instituto Superior Técnico, University of Lisbon, Av. Rovisco Pais 1, 1049-00 Lisbon, Portugal)

  • Rosário Veiga

    (LNEC, National Laboratory for Civil Engineering, Av. do Brasil 101, 1700-066 Lisbon, Portugal)

  • António Santos Silva

    (LNEC, National Laboratory for Civil Engineering, Av. do Brasil 101, 1700-066 Lisbon, Portugal)

  • José Alexandre Bogas

    (CERIS, Instituto Superior Técnico, University of Lisbon, Av. Rovisco Pais 1, 1049-00 Lisbon, Portugal)

  • Rui Galhano dos Santos

    (CERENA, Chemical Engineering Department, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001 Lisboa, Portugal)

Abstract

CO 2 emissions, a significant contributor to climate change, have spurred the exploration of sustainable solutions. One putative solution involves using recycled aggregates (RAs) from construction and demolition waste (CDW) to substitute natural sand in construction materials. This not only extends the life cycle of the waste but also reduces the use of natural resources. The potential to capture CO 2 in RAs presents a promising route to mitigate the environmental impact of the construction industry and contribute to its much anticipated decarbonization. This research takes a unique approach by investigating the incorporation of an amine-based additive—specifically 2-amino-2-methyl-1,3-propanediol (AMPD)—to enhance CO 2 capture into a real-case RA from recycling plants, transforming CDW with low carbon-capture potential into a highly reactive CO 2 capture material. Through TG analysis, FTIR-ATR and the combination of both (TG-FTIR), we were able to validate the use of RA materials as a support medium and quantify the CO 2 capture potential (12%) of the AMPD amine; a dual valorization was achieved: new value was added to low-quality CDW and we enhanced CO 2 sequestration, offering hope for a more sustainable future.

Suggested Citation

  • David Bastos & Ricardo Infante Gomes & Diogo Gonçalves & Catarina Brazão Farinha & Cinthia Maia Pederneiras & Rosário Veiga & António Santos Silva & José Alexandre Bogas & Rui Galhano dos Santos, 2025. "Enhanced CO 2 Sequestration in Recycled Aggregates: Exploring Novel Capture-Promoting Additives," Waste, MDPI, vol. 3(2), pages 1-15, May.
    • Handle: RePEc:gam:jwaste:v:3:y:2025:i:2:p:17-:d:1666183
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/2813-0391/3/2/17/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/2813-0391/3/2/17/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Infante Gomes, Ricardo & Brazão Farinha, Catarina & Veiga, Rosário & de Brito, Jorge & Faria, Paulina & Bastos, David, 2021. "CO2 sequestration by construction and demolition waste aggregates and effect on mortars and concrete performance - An overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 152(C).
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Dahl Winters & Kwaku Boakye & Steven Simske, 2022. "Toward Carbon-Neutral Concrete through Biochar–Cement–Calcium Carbonate Composites: A Critical Review," Sustainability, MDPI, vol. 14(8), pages 1-25, April.
    2. Raza, Muhammad Huzaifa & Kravchenko, Ekaterina & Besklubova, Svetlana & Lazorenko, Georgy & Markelov, Maxim & Kasprzhitskii, Anton & Zhong, Ray Y., 2025. "3D printing of recycled materials for sustainable construction: A comprehensive economic and life cycle assessment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 223(C).
    3. Shah Room & Ali Bahadori-Jahromi, 2024. "Biochar-Enhanced Carbon-Negative and Sustainable Cement Composites: A Scientometric Review," Sustainability, MDPI, vol. 16(23), pages 1-43, November.
    4. Aref A. Abadel & Mohammed Salah Nasr & Ali Shubbar & Tameem Mohammed Hashim & Rabin Tuladhar, 2023. "Potential Use of Rendering Mortar Waste Powder as a Cement Replacement Material: Fresh, Mechanical, Durability and Microstructural Properties," Sustainability, MDPI, vol. 15(15), pages 1-19, July.

    More about this item

    Keywords

    ;
    ;
    ;
    ;
    ;
    ;

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jwaste:v:3:y:2025:i:2:p:17-:d:1666183. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.