Abstract
Abstract Structural ceramics were manufactured from industrial byproducts and lime by a compression moulding/vacuum dewatering technique. Treatment of these ceramics with supercritical carbon dioxide was found to both significantly increase their flexural strength and activate cementation in the industrial byproducts at least as efficiently as heat curing. Flexural strengths of up to 10 MPa were achieved. Strength improvements were associated with decreased porosity and conversion of calcium hydroxide to calcium carbonate. Life cycle assessment of proposed products made from such materials indicated that the total reduction in embodied carbon dioxide achieved, as a result of combining use of byproducts with recombination of carbon dioxide, was up to 70%.
| Original language | English |
|---|---|
| Pages (from-to) | 280-286 |
| Number of pages | 7 |
| Journal | Advances in Applied Ceramics |
| Volume | 109 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2010 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy -
SDG 12 Responsible Consumption and Production
Keywords
- byproducts
- carbonation
- compression moulding
- embodied CO
- flexural strength
- LCA
- lime
- supercritical
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