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Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: Chemistry, Q, QD1-999, Science, wood pyrolytic tar, calorific value

A sample of industrial wood pyrolytic tar was separated by vacuum distillation into volatile products and pitch. The highest heating value (HHV) was determined by bomb calorimetry for condensed volatile products (summary oils) and for pitch. For summary oils the HHV was found to be 28 800 kJ∙kg–1, which can characterize these products as a fuel with high energy density.

  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

    • 1. The volatile fraction of industrial birch wood pyrolytic tar possesses high heating value of 28 800 kJ kg-1.
    • 2. Experimental heats of combustion are found to be consistently higher than those predicted by the empirical equations of Dulong and Mendeleev based on elemental composition.
    • 3. By comparison of 1H NMR spectra for initial tar and the summary oils it was concluded that distillation the summary oils fraction enriches the aromatics by about two times. Biomass to Biofuels. Eds Vertés A., Qureshi N., Blaschek H., Yukawa H. Chichester: Wiley, 2010, 559 p. Bridgwater A. Biomass and Bioenergy, 2012, vol. 38, pp. 68-94. Oasmaa A., Peacocke C., Gust S., Meier D., McLellan R. Energy Fuels, 2005, vol. 19, pp. 2155-2163. Ravich M.B. Simplified methodology of heat engineering calculations. Moscow, 1966, 416 p. (in Russ.). Chernomordik B.M. Theory and design of transport gas generators. Moscow, 1943, 194 p. (in Russ.). Kalabin G.A., Kanitzkya L.V., Kushnarev D.F. Quantitative NMR spectroscopy of natural organic raw materials and products of its processing. Moscow, 2000, 408 p. (in Russ.).
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