Hydrogen Purification Using Natural Pahae Zeolit and Cocoa Rind Based Filter
Nasution, Tulus Ikhsan
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The water vapor filter was fabricated from combination of natural pahae zeolit, clay, and cocoa rind by a chemical reaction and followed by heating process at various temperatures of 700®C, 800®C, and 900®C, respectively. The filter was used to purify hydrogen gas which was produced from an electrolysis prcess by adsorbing water vapor. The result showed that the optimal heating temperature was at 700®C where the filter could adsorb water vapor until 100%. Comparing to another compositiions, the addition of clay and rind cocoa showed the significant increase in water vapor adsorbtion, the filters based on natural pahae zeolit 44.57%, natural pahae zeolit + clay natural pahae zeolit + cocoa rind evidenced 51.81% and 47.31%, respectively. Therefore, the water vapor filter based on the combination of natural pahae zeolit + clay + cocoa rind was the most suitable composition to purity hydrogen gas.