Isana Supiah Yosephine Louise, Endang Widjajanti Laksono, Dewi Yuanita Lestari
The cyclic voltammogram is widely used to analyse the electrolysis process.The use of various media, namely rambutan seed flour (Nephelium lappaceum), mango seedflour (Mangifera indica), breadfruit leaf powder (Artocarpus altilis), peria extract (Momordicharantia) and aloe vera extract (Aloe vera), in this study is to deliberately mimic theoccurrence of those media in wastewater produced by several industries. The electrolysisanalysis on the presence of several media would minimize the preparation steps on wastewaterutilization for generating hydrogen as renewable energy. The research looks at the potentialof wastewater as the raw material for the electrolysis process. In this research, stainless steelcyclic voltammograms were studied on water electrolysis. The electrolysis was done in basesolution and adding various media, such as rambutan seed flour (Nephelium lappaceum),mango seed flour (Mangifera indica), breadfruit leaf powder (Artocarpus altilis), peria extract(Momordi charantia) and aloe vera extract (Aloe vera) in various concentrations, 0 -10 g perlitter of water. By reviewing the activity of a stainless steel electrode to decompose watermolecules, the mediagenerally caused the occurrence of covering by relatively largemolecules around the electrode surface, resulting in decreased activity of the stainless steelelectrodes. The optimum condition occurred with the addition of breadfruit leaf powder in alltreatments with similar electrode activity as much as 1.68. The result could be implementedin a wastewater electrolysis processes containing the media to generate hydrogen gas. © 2019. International Islamic University Malaysia-IIUM.
Chemical Education Department, Mathematics and Science Faculty, Yogyakarta State University, Yogyakarta, Indonesia
