Biomaterials technology and policies in the building sector: a review

Lin Chen, Yubing Zhang, Zhonghao Chen, Yitong Dong, Yushan Jiang, Jianmin Hua, Yunfei Liu, Ahmed I. Osman*, Mohamed Farghali, Lepeng Huang*, David W. Rooney, Pow Seng Yap*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

27 Citations (Scopus)

Abstract

Traditional building materials have some drawbacks in the construction industry, particularly in terms of greenhouse gas emissions and energy consumption. Biomaterials derived from renewable sources are a promising alternative, significantly reducing the greenhouse effect and enhancing energy efficiency. However, traditional materials still dominate the construction sector, and there is a lack of understanding among some policymakers and developers regarding biomaterials. Here, we review building biomaterials and their policies and life cycle assessment through case studies. Bio-based materials have the potential to reduce over 320,000 tons of carbon dioxide emissions by 2050. They also exhibit advantages like decreasing water absorption by 40%, reducing energy consumption by 8.7%, enhancing acoustic absorption by 6.7%, and improving mechanical properties. We summarize recent advancements in mycelial materials, bioconcrete, natural fibers, and fiber-reinforced composites. We also explore the contributions of nanotechnology and microalgae technology in enhancing biomaterials' thermal insulation and eco-friendliness.

Original languageEnglish
Pages (from-to)715-750
Number of pages36
JournalEnvironmental Chemistry Letters
Volume22
Issue number2
Early online date29 Jan 2024
DOIs
Publication statusPublished - Apr 2024

Keywords

  • Climate change
  • Energy-efficient construction
  • Green building materials
  • Life cycle assessment
  • Recycling biomaterials
  • Renewable building materials

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