Relevance of the Physicochemical Properties of Calcined Quail Eggshell (CaO) as a Catalyst for Biodiesel Production

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/jchem/volume-2017/5679512/figures/5679512.fig.002a.svgz" name="5679512.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b></td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/jchem/volume-2017/5679512/figures/5679512.fig.002b.svgz" name="5679512.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b></td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/jchem/volume-2017/5679512/figures/5679512.fig.002c.svgz" name="5679512.fig.002c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Calcined quail eggshell</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/jchem/volume-2017/5679512/figures/5679512.fig.002d.svgz" name="5679512.fig.002d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b></td></tr></table>

<div>X-ray diffraction of natural and calcined quail eggshell (a), TG/DTG of natural quail eggshell (b), CO<sub>2</sub>-TPD profile of calcined quail eggshell (c), and Ca 2p core level spectra of natural and calcined quail eggshell (d).</div>

Journal of Chemistry

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Figure 2

Figure 2: Relevance of the Physicochemical Properties of Calcined Quail Eggshell (CaO) as a Catalyst for Biodiesel Production 