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<p>CS<sub>2</sub> once was manufactured by combining <a href="page.php?w=carbon">carbon</a> (or <a href="page.php?w=Coke_%28fuel%29">coke</a>) and <a href="page.php?w=sulfur">sulfur</a> at 800-1000&nbsp;°C.<br/>
:C + 2S -> CS<sub>2</sub></p>

<p>A lower-temperature reaction, requiring only 600&nbsp;°C, utilizes <a href="page.php?w=natural_gas">natural gas</a> as the carbon source in the presence of <a href="page.php?w=silica_gel">silica gel</a> or <a href="page.php?w=alumina">alumina</a> <a href="page.php?w=catalyst">catalyst</a>s:<br/>
:2 CH<sub>4</sub></p><p>
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