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Type of publication: Straipsnis kitose duomenų bazėse / Article in other databases (S4)
Field of Science: Aplinkos inžinerija / Environmental engineering (T004)
Author(s): Kučinskas, Vytautas;Jasinskas, Algirdas;Strakšas, Anicetas
Title: Research on possibilities of using by-products of biodiesel production for biofuel
Is part of: Journal of Research and Appplications in Agricultural Engineering. Poznan, 2012, Vol. 57(4)
Extent: p. 14-18
Date: 2012
Keywords: Biodiesel;By-products;Rapeseed straw;Oilcake;Glycerol;Biofuel;Heating value;Emissions;Experimentation
Abstract: More extensive development of biodiesel production is hampered by a relatively high production cost of this product. Together with external measures (organization of optimal production, minimization of transport costs, etc.) it is necessary to use the by-products of biodiesel as rationally as possible to reduce the production cost. The work deals with the possibilities of using by-products (rapeseed straw, oilcake and glycerol) for energy needs and is based on experiments. The experiments established fractional compositions, thermal properties and dependences of rapeseed oil, oilcake and crude glycerol. Equilibrium moisture content of rapeseed straw, keeping them in a closed room, is 15% and heating value is 17.5±1.9 MJ/kg; the heating value of cold-pressed oilcake with 8-10% of oil is 19.8±2.0 MJ/kg; the water content in green glycerol composition accounts to 12.5±0.6%, the one of methanol is 0.3±0.03 and their heating value is 22.1±1.7 MJ/kg. The research proved that the use of green glycerol while mixing it with sawdust and pressing is an efficient way to produce fuel. It was established that after adding 80% of crude glycerol to dust, the heating value of dry sawdust increases by 22-23% and the heating value of 8% moisture content sawdust increases by 31-32%. The amount of nitrogen oxides NOx in fume does not exceed the permissible limit – 650 mg/m3, CO amount in fume is minimal as is the amount of free oxygen and only traces of sulphur dioxide are found in the fume
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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