Enhanced Electrocatalytic Biodiesel Production with Chitosan Gel (Hydrogel and Xerogel) R. S. Putra, Kharis Pratama, Yudi Antono, M. Idris, Jumardin Rua, Hikmat Ramadhani Procedia Engineering, 2016 The production of biodiesel from used-cooking oil using the enhancement of electrolysis process with chitosan-gel (i.e. hydrogel and xerogel) as a base catalyst had been investigated. Previously, the optimized variables were evaluated by using soybean oil as a feedstock before using used-cooking oil on the biodiesel production. Biodiesel yield was influenced by chitosan-gel to oil mass ratio (0, 5, 10 and 15 wt. %), and electrolysis time (30, 60, 90 and 120 mnts). The methyl ester yields were determined by GC-MS on these operation variables. The results showed that the conversion of biodiesel increased with the increase of chitosan-gel to oil ratio thereby giving 98.0% yields respectively for 15 wt. % hydrogel, meanwhile in the similar mass ratio of chitosan-xerogel giving 94.5 wt. % yields, respectively. Contrary results showed that when electrolysis time increased, the conversions of biodiesel decrease thereby giving 99.4%, 98.5%, 97.1%, 98.2% yields respectively for 30, 60, 90 and 120 mnts. These optimized processes, e.g. 30 mnts and 15 wt. % catalyst, were then applied to convert biodiesel from used-cooking oil giving 90.3% for chitosan-hydrogel and 93.1% for chitosan- xerogel as a base catalyst, respectively.
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MOST CITED SCHOLAR PUBLICATIONS
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Composite of amorphous silica encapsulated urea as a slow-release fertilizer M Idris, Sutarno, B Rusdiarso IOP Conference Series: Materials Science and Engineering 1053 (1), 012003 , 2021 2021 Citations: 4
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