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This study investigated the incorporation of citrus fruit peels (orange and lemon) as bioactive agents in soil–cement mixtures, aiming to develop sustainable materials for emergency construction. Limonene, present in the peels, provides antimicrobial and hydrophobic properties, while pectin and cellulose act as binding agents. The experiments included tests for granulometry, strength specification, and moisture absorption, using varying bioactive agents, soil, and cement. It was observed that mixtures containing cement and/or lemon limited mould proliferation, while compositions with bioactive agents showed potential for enhancing mechanical properties. However, the results indicate that a 10% concentration of peels was not sufficient to completely inhibit mould growth. This work contributes to the application of natural materials in temporary housing solutions, aligning with the Sustainable Development Goals.

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Effect of Citrus Fruit Peel on Soil–Cement for Use in Emergency Construction

  • 会议论文

  • 发表日期：

    2026年

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  • Maria Júlia dos Santos da Silva,
  • Vitoria Neves V. Silva,
  • Susana Claudete Costa,
  • Humberto Cosmos F. S. S. Silva Volpato,
  • Paulo Cesar Machado Ferroli,
  • Lisiane Ilha Librelotto,
  • Rachel Faverzani Magnago

摘要

This study investigated the incorporation of citrus fruit peels (orange and lemon) as bioactive agents in soil–cement mixtures, aiming to develop sustainable materials for emergency construction. Limonene, present in the peels, provides antimicrobial and hydrophobic properties, while pectin and cellulose act as binding agents. The experiments included tests for granulometry, strength specification, and moisture absorption, using varying bioactive agents, soil, and cement. It was observed that mixtures containing cement and/or lemon limited mould proliferation, while compositions with bioactive agents showed potential for enhancing mechanical properties. However, the results indicate that a 10% concentration of peels was not sufficient to completely inhibit mould growth. This work contributes to the application of natural materials in temporary housing solutions, aligning with the Sustainable Development Goals.