{
  "abstract": "This study explores the valorization of phosphogypsum (PG) in clay-based composites for sustainable production of bricks, addressing key factors such as drying behavior, mechanical performance, microstructure, porosity, and radiological safety. The analysis of drying kinetics reveals a rapid mass loss during the first 120 min, with intermediate PG–clay ratios (50:50) promoting optimal pore connectivity. Mechanical testing of fired composites indicates that green clay–PG (50:50) has the greatest performance, with a Young’s modulus over 2000 MPa and a maximum load capacity of 4000 N. Additionally, porosity decreases from ∼40% in the unfired condition to ∼10% after firing. Microstructural analysis confirms well-connected sintering necks and a cohesive clay–PG network. Radiological assessment indicates radium-equivalent activity of ≈50 Bq/kg for green clay composites, safely below the regulatory limit of 370 Bq/kg, while yellow PG formulations approach 257.6 Bq/kg. A multi-criteria optimization identifies the PG50–G50 (green clay) formulation as optimal, providing a balanced combination of mechanical strength, structural integrity, low porosity, and radiological safety. These findings indicate that fired PG–clay composites represent a viable route for producing high-performance, eco-friendly construction materials, supporting waste valorization, circular economy concepts, and advancing sustainable building practices.",
  "abstract_shown": true,
  "affiliations": [
    "Université de Gafsa, Faculté des Sciences de Gafsa , ,",
    "Université de Gabes, Ecole Nationale d’Ingénieurs de Gabes , ,",
    "Université de Sfax, Institut Préparatoire aux Etudes d’Ingénieur de Sfax , ,"
  ],
  "article_type": "research article",
  "arxiv": null,
  "author_total": 4,
  "authors": [
    {
      "affs": [
        0,
        1
      ],
      "name": "Mohamed Abdelkader Hafiene"
    },
    {
      "affs": [
        0,
        2
      ],
      "name": "Mohamed Krichen"
    },
    {
      "affs": [
        0,
        2
      ],
      "name": "Hatem Ksibi",
      "orcid": "0000-0003-4144-9958"
    },
    {
      "affs": [
        0
      ],
      "name": "Elimame Elaloui"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/eym0n3drn4wba.bib",
  "cited_by": 0,
  "doi": "10.1021/acsomega.6c06431",
  "fulltext_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13670258/?tool=EBI",
  "id": "eym0n3drn4wba",
  "issns": [
    "2470-1343"
  ],
  "landing_url": "https://europepmc.org/article/PMC/PMC13670258",
  "language": "eng",
  "licence": "CC-BY-NC-ND",
  "licence_label": "CC BY-NC-ND",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by-nc-nd/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "openalex",
      "2215|Recycling and utilization of industrial and municipal waste in materials production"
    ]
  ],
  "openalex": "W7214927702",
  "pdf_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13670258/pdf/?tool=EBI",
  "pmcid": "PMC13670258",
  "pmid": null,
  "published": "2026-09-30",
  "publisher": "American Chemical Society (ACS)",
  "ris": "https://research.draconitic.com/paper/eym0n3drn4wba.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:18:18Z",
      "native_id": "PMC:PMC13670258",
      "source": "europepmc",
      "url": "https://europepmc.org/article/PMC/PMC13670258"
    },
    {
      "first_seen": "2026-10-30T12:18:39Z",
      "native_id": "10.1021/acsomega.6c06431",
      "source": "crossref",
      "url": "https://pubs.acs.org/acsodf/article/11/40/61380/5442577/High-Phosphogypsum-Bricks-Microstructural"
    }
  ],
  "subjects": [
    {
      "field": "chemistry",
      "origin": "issn:2470-1343",
      "subfield": "general"
    }
  ],
  "title": "High-Phosphogypsum Bricks: Microstructural, Mechanical, and Radiological Optimization According to Clay Type for Circular Construction",
  "title_text": "High-Phosphogypsum Bricks: Microstructural, Mechanical, and Radiological Optimization According to Clay Type for Circular Construction",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:18:39Z",
  "url": "https://research.draconitic.com/paper/eym0n3drn4wba",
  "venue": "ACS omega",
  "versions": []
}