The purpose of this study to get yield biofuel maximum operating condition

# The purpose of this study to get yield biofuel

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The purpose of this study to get yield biofuel maximum operating condition temperatures (380 0 C, 400 0 C,and 420 0 C) as well as the percentage by weightfly ash 5 %, 7% and 9% in the cracking of used coking oil into biofuels. Preparation of Raw Materials Research Method Cooking oil obtained from domestic industry is filtered using paper strain on decrease impurity levels that contained therein. catalyst preparation Fly Ash catalyst preparation Fly Ash Fly ash crushed and sieved to obtain the fly ash with a size of 40-60 mesh. Then fly ash oven for 2 hours at 110 0 C to reduce the ash oven for 2 hours at 110 0 C to reduce the ash oven for 2 hours at 110 0 C to reduce the water content. Cracking Used Cooking Oil
Used cooking oil cracking takes place batch Used cooking oil cracking takes place batch reactor stirred tank. Weight of the catalyst used is 5%, 7% and 9% of the weight of used cooking oil. Reaction do on a temperature of 380, 400, 420 0 C with a reaction a temperature of 380, 400, 420 0 C with a reaction a temperature of 380, 400, 420 0 C with a reaction time for 2 hours and stirring speed of 300 rpm. Biofuel product obtained is then analyzed for subsequent calculation of the density product yield (% b / b). Results and Discussion Results of Analysis Products The density of the biofuel product was measured at 25 0 C. From the calculation of the measured at 25 0 C. From the calculation of the measured at 25 0 C. From the calculation of the density of the product yield can be calculated using the formula (Indra, 2010): yield = berat produk beratbahanbaku x 100% yield = vproduk x ρproduk beratbahanbaku x 100% Picture 1 The effect of temperature and weight fly ash to yield products used cooking oil cracking Could visits on picture 1 temperature associated yield temperature associated yield (%) biofuels generated, the higher the temperature the yield (%)
The resulting product temperature the yield (%). The resulting product is likely to increase. this is because with more and more rising temperatures will speed up the reaction so that yield (%). The rise in temperature reaction will result in increasing the kinetic energy of the particle reagent will increase inter-particle collisions that occurred reagent so that the reaction proceeds more rapidly [Lestari, 2011]. With the rapid reaction takes place then the product biofuels formed takes place then the product biofuels formed takes place then the product biofuels formed more and more. Figure 1 also shows that the more fly Figure 1 also shows that the more fly ash is used, the higher the ash is used, the higher the yield biofuel resulting from. More and more fly yield biofuel resulting from. More and more fly ash is used then the amount of silica, alumina and sodium carbonate will be the more. With the increasing number of the catalyst then the amount of used cooking oil into biofuel terengkah will be the more Conclusion biofuel can be produced from used cooking oil catalytic cracking process.

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• Spring '13
• DAVIS

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