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June 4, 2026Case Studies in Construction MaterialsOpen Access

A two-stage framework for optimized carbonation curing in low-carbon cement valorizing waste biochar

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Authors

LLLeqing LinYWYongkang WangJLJuntao Lin

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Overview

Randomized trial optimizes co2 uptake in low-carbon cement, suggesting eco-friendly construction solutions.

Key Points

  • The aim is to enhance co2 uptake and strength in low-carbon cement using waste-derived biochar.
  • L9 orthogonal design using rice husk biochar to determine optimal parameters.
  • Evaluated water-to-cement ratio, preconditioning duration, and biochar dosage.
  • Incorporated additional agricultural waste biochars for comparative analysis.
  • Optimal combination (W/C = 0.40, 5% RHB, 3 h preconditioning) achieved over 40% co2 carbonation.
  • Early-strength gains of approximately 20 MPa at 5% dosage of coconut shell biochar.
  • Straw biochar acted primarily as a filler, limiting co2 transport efficiency.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6a211591d499ed480b16eaddhttps://doi.org/10.1016/j.cscm.2026.e06195
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