Barbhuiya (2024) Biochar-concrete: A comprehensive review of properties, production and sustainability. Case Studies in Construction Materials, Vol 20. https://doi.org/10.1016/j.cscm.2024.e02859

The construction industry’s environmental footprint is immense. But a promising solution is emerging: biochar-concrete. This innovative material uses biocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More, a carbon-rich byproduct of biomassBiomass is a complex biological organic or non-organic solid product derived from living or recently living organism and available naturally. Various types of wastes such as animal manure, waste paper, sludge and many industrial wastes are also treated as biomass because like natural biomass these More, to partially replace cement, reducing CO2 emissions and enhancing concrete’s performance.

Biochar boasts a porous structure and large surface area, leading to several advantages:

• Improved strength and durability: Studies show biochar can enhance concrete’s strength and resistance to cracking.
• Enhanced thermal properties: Biochar improves insulation, leading to more energy-efficient buildings.
• Carbon sequestration: Biochar captures and stores carbon, mitigating climate change.

Integrating biochar into concrete requires careful consideration of production methods, biochar selection, and quality control. But the rewards are promising, including:

• Reduced environmental impact: Lower cement usage means less energy consumption and raw material extraction.
• Improved water retention: Biochar’s porosityPorosity of biochar is a key factor in its effectiveness as a soil amendment and its ability to retain water and nutrients. Biochar’s porosity is influenced by feedstock type and pyrolysis temperature, and it plays a crucial role in microbial activity and overall soil health. Biochar More can benefit concrete durability in structures.

While challenges remain, like optimizing production and long-term performance evaluation, research is actively addressing them. Biochar-concrete’s potential is undeniable, paving the way for a more sustainable and eco-friendly future in construction.

This review serves as a springboard for further research and development, aiming to unlock the full potential of biochar-concrete and revolutionize the construction industry.