CO2 Capture Analysis of Tobacco Biochar-AlCl3 Composite

Year 2018, Volume: 1 Issue: 1, 34 - 37, 01.01.2018

Nejmi Soyler Selim Ceylan Yildiray Topcu

Abstract

In
this study, the performance of tobacco biochar-AlCl₃ composite for
CO₂ capture was investigated. Biochar-AlCl₃ composites
were prepared at different blend ratios (10:0.4; 10:2; 10:4, wt./wt.) and used
for CO₂ capture experiments to determine the optimal Al metal
content at which CO₂ adsorption was highest. Biochar composites were
produced through slow pyrolysis under inert nitrogen atmosphere in a fixed bed
reactor at 600^oC for 3h. Properties of biochar-metal composites and
raw biochar samples were characterized with SEM-EDS, XRD and FTIR analysis. CO₂
experiments were conducted in TGA under N₂ atmosphere with a flow
rate of 50 ml/min at 25°C. The maximum CO2 adsorption was observed as 59.97
mg/g for biochar: AlCl₃ composite at a ratio of 10:2. Finally,
results of study showed that biochar-AlCl₃ composites have great
potential as a CO₂ capture material due to its low-cost,
sustainability and CO₂ capture capacity.

Keywords

Biochar, composite, CO2 capture, AlCl3

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