Kinetic analyses of biomass tar pyrolysis using the distributed activation energy model by TG/DTA technique |
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Authors: | Chunshan Li Kenzi Suzuki |
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Institution: | (1) Nikolaev Institute of Inorganic Chemistry SB RAS, Lavrentiev av., 3, 630090 Novosibirsk, Russia |
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Abstract: | Volatile compounds of iridium(I): (acetylacetonato)(1,5-cyclooctadiene)iridium(I) Ir(acac)(cod), (methylcyclopentadienyl)
(1,5-cyclooctadiene)iridium(I) Ir(Cp’)(cod), (pentamethylcyclopentadienyl)(dicarbonyl) iridium(I) Ir(Cp*)(CO)2 and (acetylacetonato)(dicarbonyl)iridium(I) Ir(acac)(CO)2 were synthesized and identified by means of element analysis, NMR-spectroscopy, mass spectrometry.
Thermal properties in solid phase for synthesized iridium(I) complexes were studied by means of thermogravimetric analysis
in inert atmosphere (He). By effusion Knudsen method with mass spectrometric registration of gas phase composition the temperature
dependencies of saturated vapor pressure were measured for iridium(I) compounds and the thermodynamic characteristics of vaporization
processes enthalpy ΔH
T* and entropy ΔS
T0 were determined. The energy of intermolecular interaction in the crystals of complexes was calculated. |
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Keywords: | acetylacetonate and cyclopentadienyl ligands carbonyl iridium(I) mass spectrometry thermogravimetric investigation vapor pressure |
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