Development Of Bamboo Leaf Ash and Calcium Oxide Pellets for Efficient CO₂ Absorption

KISHORE

doi:10.71097/IJSAT.v16.i1.1960

Development Of Bamboo Leaf Ash and Calcium Oxide Pellets for Efficient CO₂ Absorption

Author(s)	KISHORE
Country	India
Abstract	The increasing need to mitigate rising atmospheric CO₂ levels has driven the development of innovative and sustainable carbon capture methods. This study investigates the potential of bamboo leaf ash, calcium oxide (CaO), and sodium silicate as a composite material for efficient CO₂ absorption. Bamboo leaf ash, derived from agricultural waste and thermally activated at 600°C, serves as a silica-rich, porous support material. Calcium oxide, a highly reactive chemical absorbent, facilitates CO₂ capture via carbonation, while sodium silicate acts as a binder, enhancing pellet stability and structural integrity. Experimental results from two absorption cycles revealed remarkable performance. In both the first and second cycles, the composite pellets achieved an average CO₂ absorption efficiency of 80%, demonstrating high reactivity and reusability. Structural characterization indicated a well-formed silica-rich network in the bamboo leaf ash, contributing to enhanced surface area and improved CO₂ interaction. The presence of sodium silicate not only stabilized the pellets but also supported the retention of absorption capacity across cycles. This research highlights the synergistic effects of combining bamboo leaf ash, CaO, and sodium silicate for sustainable and efficient CO₂ capture. The findings underscore the material's potential for scalability and cost-effectiveness, positioning it as a viable candidate for industrial carbon capture applications. Future studies will focus on improving pellet regeneration and optimizing performance for real-world emission sources.
Keywords	CO₂ absorption, Bamboo leaf ash, Calcium oxide (CaO), Sodium silicate, Carbon capture, Thermally activated adsorbents, Silica-rich network, Sustainable materials.
Field	Engineering
Published In	Volume 16, Issue 1, January-March 2025
Published On	2025-02-17
Cite This	Development Of Bamboo Leaf Ash and Calcium Oxide Pellets for Efficient CO₂ Absorption - KISHORE - IJSAT Volume 16, Issue 1, January-March 2025. DOI 10.71097/IJSAT.v16.i1.1960
DOI	https://doi.org/10.71097/IJSAT.v16.i1.1960
Short DOI	https://doi.org/g85djx

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Development Of Bamboo Leaf Ash and Calcium Oxide Pellets for Efficient CO₂ Absorption

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