Search Results - "Siregar, Alwi Gery Agustan"

Preparation and characterization of lithium, sodium, and potassium silicate from palm leaf as a potential solid base catalyst in developed biodiesel production by Manurung, Renita, Hasibuan, Rosdanelli, Siregar, Alwi Gery Agustan

“…In this study, silica derived from palm leaf ash impregnated with various alkali sodium and potassium hydroxide to obtain sodium and potassium silicate was…”
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Synthesis and Characterization of Sodium Silicate Produced from Corncobs as a Heterogeneous Catalyst in Biodiesel Production by Siregar, Alwi Gery Agustan, Manurung, Renita, Taslim, Taslim

“…In this study, silica derived from corncobs impregnated with sodium hydroxide to obtain sodium silicate was calcined, prepared, and employed as a solid base…”
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Utilization of Conventional Battery Framework with Bioelectrolyte Based on Blood Shell and Sugarcane Bagasse by Manurung, Renita, Khadijah, Aufa, Rahayu, Intan, Siregar, Alwi

“…Batteries are electric cells that use a reversible electrochemical process. One of the important components in the battery is the electrode. Electrodes in…”
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Synthesis and Characterization of Polystyrene Sulfonic Acid from Expanded Polystyrene Foam as a Catalyst in the Synthesis of Triacetin by Manurung, Renita, Hasibuan, Rosdanelli, Batubara, Fatimah, Inarto, Handy, Siregar, Alwi Gery Agustan, Saputra, Auryn

“…In Indonesia, the composition of waste has gradually changed over time. To reduce expanded polystyrene (EPS) foam waste, we converted it into a heterogeneous…”
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